Subsequent Events	12 Months Ended
Dec. 31, 2024
Subsequent Events
Subsequent Events	Note 16 – Subsequent Events On January 21, 2025, Solid Power Operating, Inc. and the U.S. Department of Energy (“DOE”) entered into an assistance agreement with an effective date of January 1, 2025 (the “Assistance Agreement”). The Assistance Agreement provides that DOE will provide the Company with funding of up to $50,000 for the Company’s installation of equipment necessary for the continuous production of sulfide-based solid electrolyte material. The Company’s cost share obligation under the Assistance Agreement is $60,000. The Company is subject to certain reporting requirements and compliance obligations under the Assistance Agreement.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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