"BMW has teamed up with Korean battery giant Samsung SDI to develop solid-state batteries. The automaker also has a long-standing partnership with American battery start-up Solid Power. A prototype BMW i7 with all-solid-state batteries began testing in Germany this year. The pool of automakers and battery companies selling us the hopes and dreams of solid-state batteries has grown so large that the question is no longer if these advanced packs will ever arrive, but when."
"Solid-state batteries use a solid electrolyte instead of the liquid one found in conventional lithium-ion cells. It can be made of various materials, including polymers, sulfides, oxides, or ceramics. The potential benefits include more energy density, quicker charging times, longer lifespan and a better thermal profile leading to lower fire risks. Samsung SDI is among the world's top ten battery manufacturers, according to Korean market research firm SNE Research. In the first nine months of this year, it ranked eighth globally in battery usage."
BMW partnered with Samsung SDI and Solid Power to develop all-solid-state batteries for a prototype BMW i7 currently testing in Germany. Solid Power supplies a sulfide-based solid electrolyte while Samsung SDI integrates the electrolyte into separators and manufactures complete battery cells. Solid-state batteries replace liquid electrolytes with solid materials such as polymers, sulfides, oxides, or ceramics to increase energy density, enable faster charging, extend lifespan, and improve thermal stability, lowering fire risk. Samsung SDI ranks among the world's top battery manufacturers, offering manufacturing expertise useful for scaling ASSB production and validating cell designs.
Read at insideevs.com
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