NewsFlash / Cobalt & Lithium / CATL Announces Mass Production and Delivery of 587Ah Battery Cell with Enhanced Energy Density and Efficiency
CATL Announces Mass Production and Delivery of 587Ah Battery Cell with Enhanced Energy Density and Efficiency
iconJun 12, 2025 15:51
Source:SMM
[CATL Officially Announces Mass Production and Delivery of 587Ah Battery Cell] Contemporary Amperex Technology Co., Limited (CATL) has officially announced the mass production and delivery of its next-generation, large-capacity energy storage system (ESS)-specific battery cell, the 587Ah. It is understood that the energy density of CATL's 587Ah battery cell reaches 434Wh/L, representing a 10% increase over the previous generation and a 25% increase in system energy density. Through breakthroughs in three major areas—mechanical structure, chemical system, and pole piece design—the initial value of the round-trip efficiency (RTE) during charge and discharge cycles has reached 96.5%. Tests have shown that the failure rate caused by self-discharge in CATL's 587Ah battery cell is an order of magnitude lower than that of laminated batteries.

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