<SEC-DOCUMENT>0000899243-23-004120.txt : 20230207
<SEC-HEADER>0000899243-23-004120.hdr.sgml : 20230207
<ACCEPTANCE-DATETIME>20230207061009
ACCESSION NUMBER:		0000899243-23-004120
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230126
FILED AS OF DATE:		20230207
DATE AS OF CHANGE:		20230207

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ANDERSON ERIK J
		CENTRAL INDEX KEY:			0001174968

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40284
		FILM NUMBER:		23592680

	MAIL ADDRESS:	
		STREET 1:		1411 E MISSION AVE
		CITY:			SPOKANE
		STATE:			WA
		ZIP:			99202

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-01-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001844862</issuerCik>
        <issuerName>Solid Power, Inc.</issuerName>
        <issuerTradingSymbol>SLDP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001174968</rptOwnerCik>
            <rptOwnerName>ANDERSON ERIK J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SOLID POWER, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>486 S. PIERCE AVENUE, SUITE E</rptOwnerStreet2>
            <rptOwnerCity>LOUISVILLE</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80027</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-01-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1008759</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1008759</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By WRG DCRC Investors, LLC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Pro rata distribution without consideration from Decarbonization Plus Acquisition Sponsor III LLC to its members, including WRG DCRC Investors, LLC (&quot;WRG DCRC Investors&quot;).</footnote>
        <footnote id="F2">WestRiver Management, LLC (&quot;WestRiver Management&quot;) is the sole managing member of WRG DCRC Investors. The Reporting Person is the sole member and sole manager of WestRiver Management.  As a result, the Reporting Person may be deemed to beneficially own the securities held of record by WRG DCRC Investors.  The Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Erik J Anderson</signatureName>
        <signatureDate>2023-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
