US EditionSamsung SDI, BMW to Jointly Validate All-Solid-State Batteries
The partnership aims to commercialize safer, lighter solid-state EV batteries using sulfide electrolytes, with BMW targeting a demonstration vehicle launch soon.
- SEOUL, Oct. 31 — Samsung SDI Co. signed a trilateral agreement with BMW AG and Solid Power Inc. to validate ASSB cells and integrate them into BMW's next-generation evaluation vehicles.
- Replacing a liquid electrolyte with a solid poses technical challenges yet promises safety and performance gains, as Solid Power Inc.'s sulfide-based solid electrolyte replaces both liquid electrolyte and polymer separator, while BMW Group has collaborated since 2016.
- Samsung SDI will supply ASSB cells using Solid Power's electrolyte while BMW develops modules and packs, and sample testing and mock-ups are underway as partners evaluate performance.
- The collaboration marks a significant step in establishing a practical ASSB global value chain by pooling expertise, and the alliance aims to lead commercialization, culminating in a BMW demonstration vehicle.
- BMW expects production launches of ASSBs around 2030, Samsung SDI said demand could expand beyond EVs into robotics, while rivals like QuantumScape, Toyota, CATL, and BYD pursue different approaches and timelines.
11 Articles
11 Articles
BMW Closes In On The Solid State EV Battery Of The Future
The US startup Solid Power is contributing its sulfide-based electrolyte to a new solid state EV battery in partnership with BMW and the Korean firm Samsung SDI. The post BMW Is One Step Closer To The Solid State EV Battery Of The Future appeared first on CleanTechnica.
Samsung SDI joins BMW and Solid Power on all-solid-state batteries (ASSB) development
Since 2022, the BMW Group and Solid Power, Inc. have intensified their collaboration to develop all-solid-state battery technology, advancing through a technology transfer agreement that recently culminated in the integration of Solid Power's large-format pure ASSB cells into a BMW i7 technology test vehicle. In October 2025, Samsung SDI joined the effort, forming a three-way collaboration that...
BMW, like many others, is working on the next-generation battery, usually known as solid battery or solid-state battery. The new composition in these batteries brings a massive advantage over today's technology, especially the range benefits from the high energy density. BMW is one of those who put a lot of money into research and have now joined forces with smart partners, here it is Solid Power from the USA and Samsung SDI from South Korea. No…
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