ProLogium is making all-solid-state cells at 381 Wh/kg in Taiwan. Its Dunkirk plant broke ground in February and opens in 2028 at a fraction of a GWh.

Taiwanese solid-state battery specialist ProLogium is starting series production of its Generation 3.5 lithium-ceramic battery in Taiwan. According to

Taiwan’s ProLogium seems to have cracked the code, with the first mass-produced solid-state cells promising impressive energy density.