China drives global EV battery supply to over 3 times demand

Glut from sales slowdown stymies investment plans, except for CATL and BYD

20250820N CATL Shanghai

A mock-up of a Contemporary Amperex Technology automotive battery is displayed at the Auto Shanghai exhibition. (Photo by Shinya Sawai)

TAKAKO FUJIU

TOKYO -- As demand for electric vehicles cools, the global supply of EV batteries is on track to be more than three times demand, Nikkei has found, creating headwinds for efforts by countries such as Japan and the U.S. to establish domestic production.

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