BMW Is Now Testing EVs with All-Solid-State Batteries, the 'Holy Grail' of EV Battery Tech
- BMW began on-road testing of electric vehicles using Solid Power's all-solid-state batteries in Munich as of May 20, 2025.
- This testing follows BMW's decision in December 2022 to license Solid Power's technology to develop solid-state battery prototypes at its Parsdorf manufacturing center.
- The all-solid-state batteries use sulfide-based electrolytes that offer higher energy density, smaller size, lighter weight, faster charging, and improved safety compared to lithium-ion batteries.
- Martin Schuster, BMW's vice president of next-generation battery technology, noted that while solid-state batteries need further development to become competitive, BMW plans to incorporate them in production EVs within eight years.
- This advance positions BMW alongside other automakers accelerating solid-state battery commercialization, reflecting a broader industry move toward higher-performance, safer, and more efficient EV powertrains.
21 Articles
21 Articles
BMW and Solid Power test drive an i7 with solid-state batteries
The BMW Group has integrated large-format solid-state battery cells from partner Solid Power into a test vehicle, a BMW i7. The aim is to test how the solid-state cells behave in everyday road operation. BMW and Solid Power have been working together on solid-state batteries for years. The partnership dates back to 2016. Things turned serious three years ago when both sides signed a technology transfer agreement. One direct result is the testing…
BMW is also field testing solid-state battery tech - NZ Autocar
The BMW Group has fitted a BMW i7 with a solid-state battery as it charges ahead with testing of the next-generation technology.In unison with tech partner Solid Power, the so-called ASSB pack (all-solid-state battery) uses cells that yield a higher density. However, they are smaller and lighter than those in current lithium ion batteries used today. So more energy can be stored in smaller packs.This prototype uses existing prismatic cells in mo…
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