China achieves zero thermal runaway sodium battery, survives 300°C test

Summary: Chinese researchers have developed a sodium-ion battery that completely prevents thermal runaway using a polymerisable non-flammable electrolyte. The technology survived extreme testing at 300°C without fire or explosion, whilst maintaining performance across -40°C to 60°C with 211 Wh/kg energy density.

Brands mentioned: BAIC, HiNa, Zhongke Haina