Solid Power, Inc. (Nasdaq: SLDP) is a Louisville, Colorado-based developer of solid-state battery cells targeting the electric vehicle sector, which completed its SPAC merger in December 2021 via Decarbonization Plus Acquisition Corporation III, a blank-check vehicle sponsored by Decarbonization Plus Acquisition Partners III LLC, an affiliate of Riverstone Holdings. The combination, evidenced by the December 7, 2021 Form 8-K filing under accession 0001193125-21-350433, marked the company's transition to public markets. Solid Power maintains development partnerships with automotive OEMs and operates as an independent publicly traded entity under the SLDP ticker. Sign up at SpacDesk for full SPAC filing history, merger timelines, and ongoing regulatory data on Solid Power and hundreds of other transactions.