TOKYO – One of the world’s biggest car manufacturers has announced plans to mass-produce a type of battery for electric vehicles (EVs) that can last far longer and charge much quicker than current technologies.

On October 8, Toyota and the Japan-based Sumitomo Metal Mining Company announced a joint venture to mass-produce cathode materials for solid-state batteries, to be used in the automaker’s battery-powered EVs.

Toyota plans to launch a line of cars featuring the new solid-state battery in 2027 or 2028, company representatives said in a statement .

Together, the companies “aim to achieve the world’s first practical use of all-solid-state batteries ” in battery-powered EVs, the statement added.

A typical lithium-ion battery has a liquid electrolyte solution sandwiched between

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