<SEC-DOCUMENT>0001104659-21-153958-index.html : 20211228
<SEC-HEADER>0001104659-21-153958.hdr.sgml : 20211228
<ACCEPTANCE-DATETIME>20211228164459
ACCESSION NUMBER:		0001104659-21-153958
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20211228
DATE AS OF CHANGE:		20211228

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Solid Power, Inc.
		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:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-261711
		FILM NUMBER:		211525421

	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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Decarbonization Plus Acquisition Corp III
		DATE OF NAME CHANGE:	20210208
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>tm2132574-5_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: tm2132574-5_424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lg_solidpower-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_solidpower-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm2132574d1-tbl_sulf4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm2132574d1-tbl_sulf4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm2132574d1-fc_solid4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm2132574d1-fc_solid4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>tm2132574d1-bc_road4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: tm2132574d1-bc_road4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>tm2132574d1-tbl_lithi4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm2132574d1-tbl_lithi4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>tm2132574d1-tbl_ecosys4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm2132574d1-tbl_ecosys4c.jpg

</DOCUMENT>
</SEC-DOCUMENT>