A lithium-sulfur battery that maintains 80% of its charge capacity even after 25,000 cycles—far surpassing traditional lithium-ion batteries.

Solid-state batteries are essentially the holy grail of electric vehicle energy storage. With a different internal design ...

Shares in CATL, the world's largest battery maker, dropped nearly 4% on Wednesday after the Chinese company warned that its annual revenue fell for the first time last year and that profit grew at its ...