Japan's Toray developing membrane to recycle battery lithium

Filter recovers more than 80% of metal using water purification technology

20240218 toray2

Toray's nanofiltration membrane filters substances through microscopic holes on the surface. (Source photos by Shin Watanabe and Nozomu Ogawa)

SHIN WATANABE and SHUHEI OCHIAI, Nikkei staff writers

TOKYO -- Japanese chemical and fiber manufacturer Toray Industries is developing a new technology that can recover more than 80% of lithium from used lithium-ion batteries, with the aim of commercialization by March 2028, Nikkei has learned.

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