Chinese researchers achieve 700 Wh/kg lithium-metal
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- A research team led by Nankai University and the Shanghai Institute of Space Power-Sources reported a lithium-metal pouch battery with over 700 Wh/kg energy density.
- The new battery can operate at temperatures as low as -70°C.
- The innovation centers on a hydrofluorocarbon (HFC) electrolyte, specifically using 1,3-difluoropropane (DFP) as a core solvent, enabling lithium salt dissolution above 2 mol/L.
Why it matters: This battery could enable electric vehicles and aerospace applications to operate in extreme cold environments.
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