5μm超薄高强锂电池隔膜
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新“膜”法让动力电池更强大更安全
Ke Ji Ri Bao· 2025-08-21 00:09
Core Viewpoint - The article highlights the advancements made by Enjie Technology in the production of 5μm lithium battery separators, which are crucial for enhancing the performance of lithium batteries and breaking the technological monopoly previously held by foreign companies [1][2]. Company Overview - Enjie Technology has developed the world's most advanced lithium battery separator production line, producing ultra-thin 5μm high-strength separators that contribute to the new development of the lithium battery industry [1]. - The company has become the global market leader in lithium battery separators, breaking the long-standing foreign monopoly in wet-process separator technology [2]. Product Innovation - The 5μm separator balances thickness, strength, and ion permeability, challenging traditional beliefs that thinner separators compromise strength [2]. - The new separators have improved needle-puncture strength by 16.7% and reduced internal resistance by 20.9% compared to 7μm separators, showcasing significant advancements in material and process innovation [2]. Market Impact - The 5μm separators are expected to significantly enhance the energy density of power batteries, improve charging efficiency, and reduce the risk of thermal runaway in battery cells, thus injecting new momentum into the power battery industry [3]. - The product has already gained recognition from multiple clients and is anticipated to see broader application in the power battery sector [3]. Future Development - Enjie Technology plans to continue its focus on research and development to solidify its position in the lithium battery separator market and is actively expanding into the solid electrolyte field [3]. - The company has achieved initial commercialization of semi-solid electrolyte membranes and has two production lines capable of mass supply for semi-solid battery separators [3].