Battery storage capacity has doubled. Thanks to china- german co-research.

[syed putra]

Energy
EV battery ceiling rises as China reports 824 Wh/kg solid-state cell, aims 1,000 Wh/kg
Backed by Nio and Huawei, WeLion is pushing solid-state battery research toward EV-scale production by 2027.

By
Aamir Khollam
Dec 18, 2025 05:44 PM EST



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WeLion New Energy and BASF have jointly developed a next-generation solid-state battery pack
WeLion New Energy and BASF have jointly developed a next-generation solid-state battery pack
WeLion
Chinese solid-state battery developer WeLion New Energy has reported a laboratory breakthrough that could reshape the future of electric vehicles.


The company says it has achieved an energy density of 824 watt-hours per kilogram in solid-state battery tests, far beyond today’s EV battery benchmarks.

While the technology is not market-ready, the result positions WeLion at the front of the global solid-state EV battery race.

 

[superpower]

I'll consider EV with solid state. Lithium too flammable.

 

[syed putra]

I'll consider EV with solid state. Lithium too flammable.

Sodium battery should be ok.