Solid Power, Samsung SDI, BMW partner on all-solid-state battery demo vehicle

Solid Power, Inc.

Solid Power will supply sulfide-based solid electrolyte to Samsung SDI for cell fabrication.
Cells will be built by Samsung SDI and evaluated per BMW's performance requirements.
Partners aim to develop and supply ASSB cells for a demonstration vehicle.
BMW affiliate has right to nominate a director and send a non-voting observer to board meetings.
Agreement signed Oct 27, 2025; announced Oct 30, 2025.

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