SAMSUNG SDI, BMW, and Solid Power Collaborate on ASSB

SAMSUNG SDI has announced a collaboration with BMW Group and Solid Power to advance all-solid-state battery (ASSB) technology for next-generation electric vehicles. The project focuses on validating ASSB cells that combine high energy density, improved safety, and scalable manufacturing potential for future EV platforms.

Under the agreement, SAMSUNG SDI will supply ASSB cells featuring enhanced energy density and improved safetyusing Solid Power’s solid-state electrolyte technology. BMW will develop modules and packs to integrate these cells into its next-generation evaluation vehicles, with the project designed to assess performance and validate the potential for large-scale integration.

ASSB cells replace the liquid electrolyte used in conventional lithium-ion batteries with a solid electrolyte, offering superior safety and higher energy density. This enables longer vehicle ranges without increasing overall system weight. The collaboration highlights a practical model for global value chain integration, combining SAMSUNG SDI’s cell manufacturing expertise, Solid Power’s material innovation, and BMW’s automotive design and production experience.

“Technological competitiveness in batteries would ultimately lead to innovation in electric vehicles,” said Stella Joo-Young Go, Executive Vice President of ASSB Commercialization Team at SAMSUNG SDI. “SAMSUNG SDI will work closely with great global partners like BMW and Solid Power to take the lead in commercializing ASSB.”

“With SAMSUNG SDI joining our partnership with Solid Power, we gain significant momentum on our path advancing the development of new battery cell technologies,” said Martin Schuster, Vice President Battery Cell and Cell Module at the BMW Group. “This global collaboration is another proof point of our overarching goal: to be always in a position to offer our customers state-of-the-art battery technology.”

“We are excited to partner with SAMSUNG SDI and BMW to progress the development of all-solid-state batteries,” said John Van Scoter, President and CEO of Solid Power. “Our solid electrolyte technology is designed for stability and conductivity, and by working closely with global leaders in automotive and battery innovation, we strive to bring ASSB technology closer to widespread adoption.”

SAMSUNG SDI and BMW have collaborated since 2009, when the German manufacturer selected the Korean company as a key supplier for its electric vehicle battery programs. SAMSUNG SDI continues to strengthen its technological capabilities for ASSB development, operating South Korea’s first pilot production line at its Suwon R&D Center since 2023. The company began producing prototype cells later that year, with ongoing customer testing underway.

SAMSUNG SDI is expanding its R&D and production roadmap for all-solid-state batteries to support future EVs, robotics, and industrial energy storage applications. Its efforts include scaling cell size, optimizing manufacturing processes, and securing supply chains for eventual commercialization.

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Source/Photo Credit: SAMSUNG SDI Europe

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