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flag Chinese firm Cornex launches 588Ah battery cell for grid storage, boosting efficiency and cutting costs.

flag CORNEX, a Chinese new energy company, unveiled a 588Ah battery cell for grid-scale storage on October 1, 2025, in Xiaogan, China. flag The cell offers 190Wh/kg mass energy density and 419Wh/L volume energy density with 96.5% efficiency. flag Paired with a 588-CTP2.0 pack, it reduces materials by 20%, achieves 170Wh/kg and 285Wh/L, and includes a 1000°C heat-resistant layer. flag A new "Transformers" modular system uses standardized containers for flexible deployment, potentially cutting land use by 20%, reducing battery systems by 27%, and lowering operational costs by over 20% on large projects. flag The company attributes a 35% boost in production efficiency to its proprietary process.

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