v3.25.2
Cover
Aug. 06, 2025
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 06, 2025
Entity File Number 001-40284
Entity Registrant Name Solid Power, Inc.
Entity Central Index Key 0001844862
Entity Tax Identification Number 86-1888095
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 486 S. Pierce Avenue
Entity Address, Address Line Two Suite E
Entity Address, City or Town Louisville
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80027
City Area Code 303
Local Phone Number 219-0720
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common stock, par value $0.0001 per share
Trading Symbol SLDP
Security Exchange Name NASDAQ
Warrant [Member]  
Document Information [Line Items]  
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of common stock at an exercise price of $11.50
Trading Symbol SLDPW
Security Exchange Name NASDAQ