China Unveils Battery Breakthrough with 600Wh/kg Cell Flight Endurance Boosted 2.8 Times

Chinese researchers have shattered existing lithium-ion battery limits, developing a pouch cell with energy density exceeding 600Wh/kg and a module at 480Wh/kg—2 to 3 times higher than current mainstream cells. This leap promises to revolutionize sectors like electric mobility, robotics, and aerial vehicles, where lightweight, long-range rechargeable batteries are urgently needed.

The Tianjin University team, led by Professor Hu Wenbin, pioneered a “delocalized” electrolyte design, breaking free from conventional solvent-structure constraints. Published on August 13 in Nature, their work delivers batteries that combine ultra-high energy density with outstanding cycle stability and safety.

Their “Battery600” cell and scalable “Pack480” module already power three types of Chinese micro UAVs, boosting flight duration by 2.8 times over previous batteries. Backed by national labs and innovation platforms, the team has built a pilot production line and achieved fully independent, mass-producible technology from materials to finished cells.

Full-scale manufacturing is expected in the second half of this year, marking a major step toward next-generation lithium metal battery commercialization and global competitiveness.