<SEC-DOCUMENT>0001104659-21-147752-index.html : 20211208
<SEC-HEADER>0001104659-21-147752.hdr.sgml : 20211208
<ACCEPTANCE-DATETIME>20211208190747
ACCESSION NUMBER:		0001104659-21-147752
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211208
FILED AS OF DATE:		20211208
DATE AS OF CHANGE:		20211208

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Campbell Douglas M
		CENTRAL INDEX KEY:			0001879903

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40284
		FILM NUMBER:		211479891

	MAIL ADDRESS:	
		STREET 1:		C/O SOLID POWER, INC.
		STREET 2:		486 S PIERCE AVE., SUITE E
		CITY:			LOUISVILLE
		STATE:			CO
		ZIP:			80027

ISSUER:		

	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

	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>3
<SEQUENCE>1
<FILENAME>tm2134826-1_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm2134826-1_3seq1.html

Document 1 - RAW XML: tm2134826-1_3seq1.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>tm2134826d1_ex24.htm
<DESCRIPTION>EXHIBIT 24
<TEXT>
Document 2 - file: tm2134826d1_ex24.htm

</DOCUMENT>
</SEC-DOCUMENT>