Toyota, the maker of the bZ4X electric crossover, has partnered with Japanese petroleum company Idemitsu to make a mass-market solid-state battery that will be used in upcoming electric vehicles starting in 2027 or 2028, the two entities announced today.
Leaving the obvious irony of a petroleum company that operates oil platforms making EV batteries aside, it’s worth noting that Idemitsu has been working on sulfide solid electrolytes since 2001 and already has a small pilot facility that has been steadily increasing its output since its announcement in June.
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