AI Summary
BMW is road-testing solid-state battery (ASSB) technology in a BMW i7 prototype near Munich. This follows Mercedes-Benz's similar testing with an EQS prototype. BMW's ASSB uses sulfide-based electrolytes from partner Solid Power, integrated into a Gen5 prismatic cell module design. The technology promises higher energy density and longer range without increased weight. BMW and Solid Power have collaborated since 2016, with BMW investing in Solid Power and establishing a prototype production line at its Parsdorf facility.
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