Toyota Motor Corporation has announced a major advance in the race to develop all-solid-state batteries, a technology many experts call the “holy grail” of electric vehicles (EVs). 

The company revealed on Wednesday that it has partnered with Sumitomo Metal Mining Co. to mass produce cathode materials for these next-generation batteries. 

The automaker aims to launch its first all-solid-state battery-powered EV as early as 2027, potentially transforming the global EV landscape.

Both Toyota and Sumitomo said they have made progress in developing key cathode materials that could enable solid-state batteries to outperform today’s lithium-ion batteries. 

“We aim to achieve the world’s first practical use of all-solid-state batteries in BEVs,” the Japanese carmaker said in its announcement.

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