Photo Credit:Fair Use [17 U.S.C. § 107] Tianjin Unversity battery researchers

China's 600 Wh/kg Lithium-Metal Battery Breakthrough: Hype or Real Progress?

19 Aug 2025 | Abstracted from EVWorld.com

Chinese researchers report lithium-metal pouch cells reaching 600 Wh/kg - nearly double today's EV batteries. Published in Nature, the work uses a novel electrolyte and shows promising density but only ~100 cycles, far short of EV needs. Scaling, safety, and cost remain unproven. While credible science, it's early-stage. Current leaders like CATL, BYD, Amprius, and SES offer lower but durable densities; no one is yet close to 600 Wh/kg for real EVs.

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