<SEC-DOCUMENT>0001193125-21-277437.txt : 20211210
<SEC-HEADER>0001193125-21-277437.hdr.sgml : 20211210
<ACCEPTANCE-DATETIME>20210920172528
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001193125-21-277437
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210920

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Decarbonization Plus Acquisition Corp III
		CENTRAL INDEX KEY:			0001844862
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				861888095
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		486 S. PIERCE AVE., SUITE E
		CITY:			LOUISVILLE
		STATE:			CO
		ZIP:			80027
		BUSINESS PHONE:		(303) 219-0720

	MAIL ADDRESS:	
		STREET 1:		486 S. PIERCE AVE., SUITE E
		CITY:			LOUISVILLE
		STATE:			CO
		ZIP:			80027
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
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<HTML><HEAD>
<TITLE>CORRESP</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Decarbonization Plus Acquisition Corporation III </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2744 Sand Hill Road, Suite 100 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Menlo Park, California 94025 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">September 20, 2021 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Division of Corporation
Finance </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Office of Manufacturing </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">United States Securities
and Exchange Commission </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Division of Corporation Finance </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">100
F Street, N.E. </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Washington, D.C. 20549-3561 </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top">Re:</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Decarbonization Plus Acquisition Corporation III</B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Registration Statement on Form <FONT STYLE="white-space:nowrap">S-4</FONT></B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Filed August&nbsp;10, 2021</B></P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman"><B>File <FONT
STYLE="white-space:nowrap">No.&nbsp;333-258681</FONT></B></P></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Ladies and Gentlemen: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Set forth below are the responses of Decarbonization Plus Acquisition Corporation III (the &#147;<B><I>Company</I></B>,&#148;
&#147;<B><I>DCRC</I></B>,&#148; &#147;<B><I>we</I></B>,&#148; &#147;<B><I>us</I></B>&#148; or &#147;<B><I>our</I></B>&#148;) to comments received from the staff of the Division of Corporation Finance (the &#147;<B><I>Staff</I></B>&#148;) of the
Securities and Exchange Commission (the &#147;<B><I>Commission</I></B>&#148;) by letter, dated September&nbsp;7, 2021, with respect to the Company&#146;s Registration Statement on Form <FONT STYLE="white-space:nowrap">S-4,</FONT> File <FONT
STYLE="white-space:nowrap">No.&nbsp;333-258681,</FONT> filed with the Commission on August&nbsp;10, 2021 (the &#147;<B><I>Registration Statement</I></B>&#148;). Concurrently with the submission of this letter, the Company is filing an Amendment
No.&nbsp;1 to the Registration Statement (the &#147;<B><I>Amended Registration Statement</I></B>&#148;). The responses include information from Solid Power, Inc. (&#147;<B><I>Solid Power</I></B>&#148;) in response to certain of the comments. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For your convenience, each response is prefaced by the exact text of the Staff&#146;s corresponding comment in bold, italicized text. All
references to page numbers and captions included in the responses correspond to the Amended Registration Statement, unless otherwise specified. All capitalized terms not otherwise defined herein shall have the meaning assigned to them in the Amended
Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>Form <FONT STYLE="white-space:nowrap">S-4</FONT> Filed on August&nbsp;10, 2021 </U></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>General </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>1.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please highlight the risk that the sponsor will benefit from the completion of a business combination and
may be incentivized to complete an acquisition of a less favorable target company or on terms less favorable to shareholders rather than liquidate. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on pages 11, 26, 65 and 128 of the Amended
Registration Statement. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>2.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please clarify if the sponsor and its affiliates can earn a positive rate of return on their investment,
even if other SPAC shareholders experience a negative rate of return in the post-business combination company. </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>:
The Company respectfully advises the Staff that it has revised the disclosure accordingly on pages 11, 26, 66 and 128 of the Amended Registration Statement. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>3.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please highlight the material risks to public warrant holders, including those arising from differences
between private and public warrants. Clarify whether recent common stock trading prices exceed the threshold that would allow the company to redeem public warrants. Clearly explain the steps, if any, the company will take to notify all shareholders,
including beneficial owners, regarding when the warrants become eligible for redemption. </I></B></P></TD></TR></TABLE>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities and Exchange Commission </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">September 20, 2021 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 2
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company
respectfully advises the Staff that it has revised the disclosure accordingly on page 15 of the Amended Registration Statement. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>4.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Disclose the material risks to unaffiliated investors presented by taking the company public through a
merger rather than an underwritten offering. These risks could include the absence of due diligence conducted by an underwriter that would be subject to liability for any material misstatements or omissions in a registration statement.
</I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on page 74 of the
Amended Registration Statement. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>5.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Your charter waived the corporate opportunities doctrine. Please address this potential conflict of
interest and whether it impacted your search for an acquisition target. </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the
Staff that it has revised the disclosure accordingly on pages 12, 28, 67 and 129 of the Amended Registration Statement. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>6.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Revise your disclosure to show the potential impact of redemptions on the per share value of the shares
owned by <FONT STYLE="white-space:nowrap">non-redeeming</FONT> shareholders by including a sensitivity analysis showing a range of redemption scenarios, including minimum, maximum and interim redemption levels. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on pages 130 - 32 of the Amended Registration
Statement . </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>7.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please revise to disclose all possible sources and extent of dilution that shareholders who elect not to
redeem their shares may experience in connection with the business combination. Provide disclosure of the impact of each significant source of dilution, including the amount of equity held by founders, convertible securities, including warrants
retained by redeeming shareholders, at each of the redemption levels detailed in your sensitivity analysis, including any needed assumptions. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on pages 130 - 132 of the Amended Registration
Statement. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>8.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>We note that certain shareholders agreed to waive their redemption rights. Please describe any
consideration provided in exchange for this agreement. </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company notes the Staff&#146;s comment and
respectfully advises the Staff that the initial stockholders agreed to waive their redemption rights pursuant to a letter agreement that the initial stockholders entered into in connection with the Company&#146;s initial public offering. The
provisions relating to the waiver of redemption rights in the original letter agreement have not been amended in connection with the business combination. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>9.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>It appears that underwriting fees remain constant and are not adjusted based on redemptions. Revise your
disclosure to disclose the effective underwriting fee on a percentage basis for shares at each redemption level presented in your sensitivity analysis related to dilution. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on page 132 of the Amended Registration Statement.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Questions and Answers About the Proposals for DCRC Stockholders, page 1</U> </I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>10.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please add a question and answer that addresses the positive and negative factors that the board
considered when determining to enter into the business combination agreement and its rationale for approving the transaction. </I></B></P></TD></TR></TABLE>
</DIV></Center>


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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities and Exchange Commission </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">September 20, 2021 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 3
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company
respectfully advises the Staff that it has revised the disclosure accordingly on pages 5 - 8 of the Amended Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Q: What
interests do the current officers and directors have in the business combination?, page 7 </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>11.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>We note your disclosure here, and elsewhere, discussing the interests that your officers and directors
have in the business combination. Please revise your disclosure to address the following: </I></B></P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>please quantify the total value of the private placement warrants that your Sponsor and independent
directors hold;</I></B> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>state the amount of working capital loans made that you have received as of the most recent practicable
date;</I></B> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>quantify the total number of shares held by your Sponsor, officers, and directors;</I></B>
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>quantify the number of Founder Shares obtained by your initial stockholders for consideration of
$25,000;</I></B> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>disclose the material interest of your officers and directors in your Sponsor;</I></B>
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>disclose the consideration provided in exchange for the 360,000 Founder Shares issued to your independent
directors;</I></B> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>quantify all <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT>
expenses incurred by your Sponsor, officers, and directors as of the most recent practicable date; and</I></B> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>if true, disclose that if the business combination is not consummated, Decarbonization Plus Acquisition
Corporation II, will continue to be liable for expenses incurred in connection with its consideration of a proposed transaction with Solid Power.</I></B> </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on pages 10 - 12, 25 - 28, 65 - 67, 117 and 127 -
129 of the Amended Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Unaudited Pro Forma Condensed Combined Financial Information, page 76 </U></I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>12.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>For each period presented, please include historical basic and diluted loss per share amounts as well as
the number of weighted average shares outstanding for DCRC and Solid Power on the face of the pro forma statements of operations. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on pages 90 and 91 of the Amended Registration
Statement. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>13.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Refer to note 2(C) on page 84. It is not clear to us why the expense related to the cancelation of the
product manufacturing rights agreement is not recorded in the pro forma statement of operations for the year ended December&nbsp;31, 2020. Please clarify or revise. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the pro forma statement of operations for the year ended December&nbsp;31,
2020 on page 91 of the Amended Registration Statement to include the cancelation of the product manufacturing rights agreement as an adjustment thereto. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>14.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Refer to note 3 on 86. Please address the following: </I></B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>More fully explain how the numbers of shares to be issued to Solid Power are determined, specifically
address the numbers of shares to be issued to the common stock shareholders, the Series B preferred stock shareholders, and the convertible noteholders;</I></B> </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>More fully explain how the exchange ratio is calculated based on share amounts in Solid Power&#146;s
historical financial statements; and</I></B> </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt"><B><I>Quantify any other equity instruments that are not included in the calculations of pro forma loss per share
because they are antidilutive, including, if applicable, the Series <FONT STYLE="white-space:nowrap">A-1</FONT> preferred shares.</I></B> </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>In addition, based on the pro forma balance sheet, we note that after the proposed merger, Solid Power&#146;s Series <FONT
STYLE="white-space:nowrap">A-1</FONT> preferred stock will remain outstanding. Please revise the disclosures throughout the filing to </I></B></P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities and Exchange Commission </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">September 20, 2021 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 4
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>address this
fact and to clarify the terms of the Series <FONT STYLE="white-space:nowrap">A-1</FONT> preferred shares subsequent to the proposed merger. It is not clear to us where and how the disclosures throughout the filing, that present ownership interests
subsequent to the proposed merger (for example on pages viii, ix, 3, 4, 22, 23), reflect the Series <FONT STYLE="white-space:nowrap">A-1</FONT> preferred shares or where and how the potential risks and consequences that these shares represent to
common stock shareholders of the post merger entity are disclosed and discussed. Please clarify or revise. </I></B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company
respectfully advises the Staff that is has revised the disclosure accordingly on pages iii, v, viii, ix, 3, 4, 30, 95, 96 and 98 of the Amended Registration Statement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Comparative Share Information, page 88 </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>15.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>It is not clear to us why the basic and diluted historical net loss per share amounts, as well as the
weighted average shares outstanding, for Solid Power presented on page 89 do not agree to amounts presented in Solid Power&#146;s annual and interim financial statements. It is also not clear to us how you calculated the historical book value per
share for Solid Power presented on page 89 based on amounts presented in Solid Power&#146;s interim financial statements. Please clarify or revise. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure on page 98 of the Amended Registration Statement to align Solid
Power&#146;s basic and diluted net loss per share amounts in &#147;Comparative Share Information&#148; with the information in Solid Power&#146;s historical annual and interim financial statements. The Company has also revised the Amended
Registration Statement on page 98 to clarify how Solid Power&#146;s historical book value has been calculated. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>16.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>We note that except for the basic and diluted net loss per share amount for the year ended
December&nbsp;31, 2020, all Pro Forma Combined per share amounts and all Solid Power Equivalent Per Share Pro Forma amounts are the same. It is also not clear to us what the equivalent pro forma amounts represent or how the disclosure in note
(3)&nbsp;on page 89, regarding how they are calculated, is accurate. Please clarify or revise. </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company
respectfully advises the Staff that it has revised the disclosure accordingly on page 98 of the Amended Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Unaudited
Prospective Financial Information, page 114 </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>17.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>We note your disclosure that the financial projections reflect estimates and assumptions with respect to
general business, economic, regulatory, market and financial conditions and other future events, as well as matters specific to Solid Power&#146;s business. Please revise to describe such estimates, matters and assumptions with greater specificity
and quantify where practicable. Please disclose any other information to facilitate investor understanding of the basis for and limitations of these projections. Please specifically address the significant differences in your historical revenue and
market share from your future projections, including those that are multiple years into the future. </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The
Company respectfully advises the Staff that it has revised the disclosure accordingly on pages 124 - 126 of the Amended Registration Statement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Proposal 3 &#150; The Additional Charter Proposal, page 131 </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>18.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>We note that you plan to amend your charter to make such other changes that the DCRC Board deems
appropriate for a public operating company. Please identify all of the amendments proposed to be made to your charter, the reasons for and the general effect of such amendment. For example, we note that your proposed second amended and restated
charter includes a new exclusive forum provision that is not identified in this section. In addition, please revise your discussion of &#147;The Additional Charter Proposal&#148; through out your filing to identify all materials changes instead of
stating that &#147;certain other changes&#148; are being make to your charter. </I></B></P></TD></TR></TABLE>
</DIV></Center>


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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities and Exchange Commission </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">September 20, 2021 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 5
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company
respectfully advises the Staff that it has revised the description of &#147;The Additional Charter Proposal&#148; on pages 143 and 144 of the Amended Registration Statement and has made corresponding revisions throughout the filing. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Management&#146;s Discussion and Analysis of Financial Condition and Results of Operations of Solid Power </U></I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Results of Operations, page 154 </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>19.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>The table on page 154 indicates that the loss from operations for the three months ended March&nbsp;31,
2021 increased by ($1.2) million, or 38%, as compared to the three months ended March&nbsp;31, 2020; however, the table on page 156 indicates that the loss from operations for the year ended December&nbsp;31, 2020 increased by ($2.3) million, or
(25%), as compared to the year ended December&nbsp;31, 2019. Please revise your presentations on pages 154 and 156 to ensure that all percentage changes, whether positive or negative, are consistently presented. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure to ensure that all percentage changes, whether positive or
negative, are consistently presented. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Liquidity and Capital Resources, page 157 </U></I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>20.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please quantify and more fully disclose and discuss your short and long term liquidity requirements and
priorities, including potential changes in your priorities based on the impact of changes in the amount of cash available to the post-merger company due to the amount of cash redemptions by shareholders. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure on page 172 of the Amended Registration Statement to describe
Solid Power&#146;s liquidity requirements in accordance with Item 303 of Regulation <FONT STYLE="white-space:nowrap">S-K</FONT> and disclose the impact of Solid Power&#146;s development plan if the cash received from the transaction is less than the
amount currently contemplated. The Company has also added disclosure on pages 49 and 50 of the Amended Registration Statement to describe the corresponding business risk in more detail. </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>21.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please enhance your disclosures to provide a more robust discussion of changes in operating cash flows
for each of period presented. Your revised discussion should focus on the primary drivers of and other material factors necessary to an understanding of your cash flows and the indicative value of historical cash flows. In addition, your revised
discussions should not only quantify the impact of the line item(s) that contributed most to the changes but should also provide detailed explanations of the reasons for the fluctuations. Refer to the SEC Interpretive Release <FONT
STYLE="white-space:nowrap">No.&nbsp;33-8350.</FONT> </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has
revised the disclosure accordingly on page 173 of the Amended Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Critical Accounting Policies and Estimates
</U></I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Stock-Based Compensation and Common Stock Valuation, page 159 </U></I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>22.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please disclose and discuss changes in the estimated fair value of your common stock during the periods
presented. Please also address any material differences between the valuations used to determine the fair value of your common stock relative to the fair values implied by other equity transactions and the fair value implied by the current merger
transaction. In addition, we note that the fair value of your common stock has been determined with the assistance of an independent valuation specialist. Please tell us your consideration of identifying and providing a consent from this
third-party. </I></B></P></TD></TR></TABLE>
</DIV></Center>


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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities and Exchange Commission </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">September 20, 2021 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 6
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company
respectfully advises the Staff that it has revised the disclosure accordingly on page 175 and 176 of the Amended Registration Statement in response to the Staff&#146;s comment. The Company also respectfully advises the Staff that the Solid Power
Board of Directors determined the fair value of Solid Power&#146;s common stock with the assistance of management and based in part on an independent valuation. As the report of such independent valuation specialist is neither included nor
summarized in the Amended Registration Statement, pursuant to the Staff&#146;s guidance under CD&amp;I Securities Act Sections 141.02, the Company does not believe that such specialist must be identified as an expert in the Amended Registration
Statement. Accordingly, the Company does not believe that it is required to include a consent to be named as an expert from such specialist in the Amended Registration Statement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Mezzanine Equity, page 160 </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>23.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>We note the material deemed dividends you have recognized related to the Series <FONT
STYLE="white-space:nowrap">A-1</FONT> preferred stock and we note the Series <FONT STYLE="white-space:nowrap">A-1</FONT> preferred stock will remain outstanding subsequent to the merger. Please expand your disclosures to disclose and discuss the
changes in the estimated fair value of the Series <FONT STYLE="white-space:nowrap">A-1</FONT> preferred stock during each period presented. Please also address the facts and circumstances that result in any differences between the valuations used to
determine the fair value of the Series <FONT STYLE="white-space:nowrap">A-1</FONT> preferred stock relative to the fair values implied by other equity transactions, including the Series B preferred stock offering, and the fair value implied by the
current merger transaction. </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure
accordingly on pages 175 and 176 of the Amended Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Change in Certifying Accountant, page 162 </U></I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>24.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please revise your disclosure to state whether the former accountant resigned, declined to stand for <FONT
STYLE="white-space:nowrap">re-election</FONT> or was dismissed, and the specific date thereof, as required by Item 304(a)(1)(i) of Regulation <FONT STYLE="white-space:nowrap">S-K.</FONT> </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure on page 177 of the Amended Registration Statement to clarify
that Plante Moran was dismissed on June&nbsp;2, 2021. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>25.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>You currently disclose there were no reportable events or disagreements with the former accountant during
the year ended December&nbsp;31, 2019. Please revise your disclosure to state whether there were any reportable events and/or disagreements during the year ended December&nbsp;31, 2019 and through the date of resignation, declination or dismissal as
required by Item 304(a)(1)(iv) of Regulation <FONT STYLE="white-space:nowrap">S-K.</FONT> In the event there were any reportable events and/or disagreements, please provide the specific disclosures required by Item 304(a)(1)(iv) and (v)&nbsp;of
Regulation <FONT STYLE="white-space:nowrap">S-K.</FONT> </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has
revised the disclosure accordingly on page 177 of the Amended Registration Statement. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>26.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>To the extent that you make any changes to your disclosure to comply with our comments, please obtain and
file an updated Exhibit 16 letter from the former accountant stating whether the former accountant agrees with the statements in the revised disclosures. In addition, please explain to us why the current Exhibit 16 letter from the former accountant
refers to a fifth paragraph but the current disclosures only include four paragraphs. </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully
advises the Staff that it has filed an updated letter from Plante Moran as Exhibit 16.1 to the Amended Registration Statement that resolves this discrepancy. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Partnerships, page 172 </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>27.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please expand your disclosure to elaborate on the nature of your partnerships and provide the material
terms related to such agreements. </I></B></P></TD></TR></TABLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities and Exchange Commission </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">September 20, 2021 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 7
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company
respectfully advises the Staff that it has revised the disclosure accordingly on page 188 and 189 of the Amended Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Certain
Relationships and Related Party Transactions </U></I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Registration Rights, page 226 </U></I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>28.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>We note that you will enter into the A&amp;R Registration Rights Agreement in connection with the closing
of the business combination. Please disclose if you anticipate whether there will be any maximum cash penalties under the registration rights agreement or additional penalties that may result from delays in registering your common stock. Refer to
ASC <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">825-20-50-1.</FONT></FONT></FONT> </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on pages 24, 114 and 241 of the Amended
Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Index to Financial Statements, page <FONT STYLE="white-space:nowrap">F-1</FONT> </U></I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>29.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please provide updated financial statements and related disclosures throughout the filing for both
Decarbonization Plus Acquisition Corporation III and Solid Power, Inc. Refer to Rule <FONT STYLE="white-space:nowrap">8-08</FONT> of Regulation <FONT STYLE="white-space:nowrap">S-X</FONT> for further information. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the Amended Registration Statement to provide updated financial statements and
related disclosures throughout the filing. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Financial Statements &#150; Solid Power, Inc. </U></I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Note 3 &#150; Significant Accounting Policies </U></I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Upcoming Accounting Pronouncements, page <FONT STYLE="white-space:nowrap">F-46</FONT> </U></I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>30.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>You disclose here and on page <FONT STYLE="white-space:nowrap">F-68</FONT> that ASC 842 will be effective
for your fiscal year ended December&nbsp;31, 2021; however, you disclose on page 160 that ASC 842 would have been effective for your fiscal year ended December&nbsp;31, 2021 but has been deferred due to your status as an emerging growth company.
Please revise your disclosure to address this discrepancy and clarify when you anticipate you will adopt ASC 842. In this regard, we note that ASC 842 will be applicable for annual reporting periods beginning after December&nbsp;15, 2021.
</I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure on pages F-32 and 175 of the
Amended Registration Statement to clarify that ASC 842 is applicable for fiscal years beginning after December&nbsp;15, 2021 and will be effective for Solid Power on January&nbsp;1, 2022. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Note 4 &#150; Property and Equipment, page <FONT STYLE="white-space:nowrap">F-47</FONT> </U></I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>31.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>You disclose here and on page <FONT STYLE="white-space:nowrap">F-68</FONT> that depreciation and
amortization expenses are allocated ratably across operating expenses on the statements of operations. We note your operating expenses are classified as research and development, direct costs, marketing and sales, and finance and administration.
Please expand your disclosures to further explain how you have allocated depreciation and amortization expenses, and tell us the accounting literature that supports your presentation. In addition, please address your disclosures on pages <FONT
STYLE="white-space:nowrap">F-54</FONT> and <FONT STYLE="white-space:nowrap">F-76</FONT> which state compensation costs are allocated ratably across operating expenses and your disclosures on pages <FONT STYLE="white-space:nowrap">F-56</FONT> and <FONT
STYLE="white-space:nowrap">F-78</FONT> which state rent expense is allocated ratably across operating expenses. </I></B></P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that ASC 360 does not require depreciation expense to be included in any particular financial
statement line item. It is Solid Power&#146;s conclusion that including depreciation expense as part of its operating expenses is consistent with how Solid Power manages its business and makes investment decisions. The Company has revised the
disclosure accordingly on pages F-33, F-40, and F-42 of the Amended Registration Statement. </P>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities and Exchange Commission </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">September 20, 2021 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"> Page
 8
 </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Note 6 &#150; Long-term
Debt, page <FONT STYLE="white-space:nowrap">F-48</FONT> </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>32.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>We note that you are subject to certain restrictive covenants under the terms of the note payable to a
bank. Please enhance your disclosure here and on page <FONT STYLE="white-space:nowrap">F-70</FONT> to clearly disclose the specific terms of any material covenants and whether you were in compliance with the covenants as of each reporting date.
</I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that it has revised the disclosure accordingly on pages <FONT
STYLE="white-space:nowrap">F-34</FONT> and F-35 of the Amended Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Note 18 &#150; Subsequent Events, page <FONT
STYLE="white-space:nowrap">F-59</FONT> </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>33.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>Please ensure the updated interim financial statements fully disclose and discuss the terms, impact, and
accounting for the Series B preferred offering, the redemption and termination agreement with the Series <FONT STYLE="white-space:nowrap">A-1</FONT> preferred investor, and the conversion of all convertible notes payable.
</I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company respectfully advises the Staff that that the updated interim financial statements fully disclose
and discuss such matters on pages <FONT STYLE="white-space:nowrap">F-55,</FONT> F-56, F-61, and F-62 of the Amended Registration Statement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I><U>Note
8 &#150; Fair Value Measurements, page <FONT STYLE="white-space:nowrap">F-72</FONT> </U></I></B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B><I>34.</I></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B><I>You disclose on page <FONT STYLE="white-space:nowrap">F-74</FONT> that the fair value of the 2019
convertible promissory note was $3,793,105 and $3,612,035 as of March&nbsp;31, 2021 and December&nbsp;31, 2020, respectively. Given that you elected to account for the 2019 convertible promissory note at fair value, please clarify where you included
the change in fair value in the statement of operations for the quarter ended March&nbsp;31, 2021. </I></B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><U>RESPONSE</U>: The Company
respectfully advises the Staff that Solid Power included the change in fair value of its 2019 convertible promissory note in interest expense in Solid Power&#146;s statement of operations for the period ended June&nbsp;30, 2021. Solid Power&#146;s
interim financial statements included in the Amended Registration Statement include clarifying language to this effect on page <FONT STYLE="white-space:nowrap">F-59.</FONT> </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;* </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Please direct any questions that you have with respect to the foregoing or if any additional
supplemental information is required by the Staff, please contact Ramey Layne of Vinson&nbsp;&amp; Elkins L.L.P. at (713) <FONT STYLE="white-space:nowrap">758-4629.</FONT> </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
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<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Sincerely,</TD></TR>
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<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">DECARBONIZATION PLUS ACQUISITION</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">CORPORATION III</P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Peter Haskopoulos</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Name:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Peter Haskopoulos</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Title:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Chief Financial Officer, Chief Accounting Officer&nbsp;&amp; Secretary</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Enclosures </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left">cc:</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">E. Ramey Layne, Vinson&nbsp;&amp; Elkins L.L.P. </P></TD></TR></TABLE>
<P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Douglas Campbell, Solid Power, Inc. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Robert O&#146;Connor, Wilson Sonsini Goodrich&nbsp;&amp; Rosati, P.C. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Mark B. Bandler, Wilson Sonsini Goodrich &amp; Rosati, P.C. </P> <P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
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