---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-104388"
form_type: "8-K"
ticker: "SLDP"
cik: "0001844862"
company_name: "Solid Power, Inc."
filed_at: "2025-10-30T23:59:59+00:00"
generated_at: "2026-05-17T01:24:47.810019+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

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

## Summary
- 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.

## SEC filing metadata
- accession: 0001104659-25-104388
- form_type: 8-K
- ticker: SLDP
- cik: 0001844862
- company_name: Solid Power, Inc.
- filed_at: 2025-10-30T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1844862/000110465925104388/0001104659-25-104388-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1844862/000110465925104388/tm2529523d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-104388
- JSON: https://secwatch.observer/filing/0001104659-25-104388.json
- Plain text: https://secwatch.observer/filing/0001104659-25-104388.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.