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Chinese Researchers Achieve 200-300% Energy Density Improvement

2026-01-16

Tianjin University Develops Lithium Metal Pouch Cell with 600 Wh/kg Energy Density

Researchers from China's Tianjin University have unveiled a novel design for lithium metal batteries, leading to the development of a lithium metal pouch cell with an energy density exceeding 600 Wh/kg and a battery pack achieving 480 Wh/kg. This innovation represents a 200-300% improvement in both energy density and endurance compared to current lithium-ion batteries. The breakthrough involves a pioneering delocalized electrolyte design that breaks the conventional dependence on dominant solvation structures. This approach effectively balances solvent-dominated and anion-dominated solvation structures, reduces kinetic barriers, and stabilizes the electrode-electrolyte interface. The team has established a pilot production line for high-energy lithium metal batteries and successfully implemented this innovative technology in three models of domestically developed micro electric unmanned aerial vehicles.

Tianjin Liwei New Energy Technology Co., Ltd.

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