Why Is Solid Power (SLDP) Stock Surging in Premarket Today? BMW and Samsung SDI Collaboration

Solid Power, Inc. (NASDAQ: SLDP) shares are experiencing significant premarket gains on Friday, October 31, 2025, following Thursday’s announcement of a strategic collaboration with Samsung SDI and BMW Group. The stock was trading at $6.11 in premarket, up $0.78 or 14.63% as of 7:24 AM EDT, building on momentum from a 345% price return over the past year.

The three-way partnership aims to develop and validate a demonstration vehicle powered by all-solid-state battery (ASSB) technology, marking a pivotal step toward commercialization of next-generation EV batteries. This collaboration brings together complementary expertise from a leading U.S. battery technology developer, a major Asian battery manufacturer, and a premier European automotive company.

Strategic Partnership Details and Technical Framework

Under the joint evaluation agreement announced Thursday, Solid Power will supply its sulfide-based solid electrolyte material to Samsung SDI, which will integrate it into separator and catholyte components to build battery cells, subject to meeting technical requirements. These cells will then be evaluated based on performance parameters agreed between Samsung SDI and BMW, with the ultimate goal of integrating ASSB cells into a demonstration vehicle.

This arrangement leverages Solid Power’s core electrolyte technology, which the company believes can enable extended driving range, longer battery life, improved safety, and lower costs compared to traditional lithium-ion batteries.

The collaboration supports Solid Power’s business model of manufacturing and selling electrolyte material to Tier 1 battery manufacturers and automotive OEMs, rather than becoming a commercial battery manufacturer itself.

John Van Scoter, President and CEO of Solid Power, emphasized that the partnership with “global leaders in automotive and battery innovation” aims to bring ASSB technology closer to widespread adoption.

Martin Schuster, Vice President Battery Cell and Cell Module at BMW Group, noted that Samsung SDI’s participation adds “significant momentum” to their battery development efforts, reinforcing BMW’s goal of offering customers state-of-the-art battery technology.

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Stock Performance and Market Implications

The premarket surge follows strong recent performance for SLDP, which closed at $5.33 on Thursday, down 3.44% but still reflecting remarkable year-to-date gains of 182.01% and one-year returns of 329.84%. The stock has traded in a 52-week range of $0.68 to $8.05, with a current market capitalization of approximately $966 million.

Needham recently doubled its price target for Solid Power to $4.00 from $2.00, maintaining a Buy rating and citing the company’s consistent progress in cell and electrolyte partnerships.

The company’s second quarter 2025 results showed revenue of $7.5 million, exceeding analyst expectations of $5 million by 50.8%, though it remains in a research and development stage with continuing losses. Solid Power is scheduled to report third quarter 2025 earnings after market close on Tuesday, November 4, 2025, which may provide further insights into how this strategic partnership impacts the company’s commercialization timeline and financial trajectory.

The collaboration with Samsung SDI and BMW represents validation of Solid Power’s technology from major industry players, potentially accelerating the path to commercial production.

Disclaimer: The author does not hold or have a position in any securities discussed in the article. All stock prices were quoted at the time of writing.