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电力设备及新能源行业深度报告:复合箔材产业化进程加速,量产在即-20230717-华金证券

u 铜箔和铝箔是锂电池的重要组成部分,对锂电池的循环寿命、能量密度、安全性等重要性能都有较大影响。与传统箔材相比,复合箔材优势明显,有望登上舞台。复合箔材采取“三明治”结构,在4.5微米的高分子材料两侧各镀上1微米的金属层。复合铜箔、复合铝箔相对传统箔材减重分别为55%和64%,这将带来两大优势:1)提高电池及系统的能量密度,根据测算,在磷酸铁锂和三元电池中同时采用复合铜箔和铝箔方案,大概可以提高

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  1. 1华金证券Published by or linked to this institution1

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