At the Tokyo Motor Show in 2017, Toyota announced that they would commericalize all-solid-state battery technology for EVs by early 2020s. Since then, all-solid-state batteries have been considered a crucial component in the evolution of the EV industry. However, can we rely upon this technology as much as Toyota claims? To answer this question, I interviewed Mr. Toru Amazutsumi, a specialist in the field of battery research.

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