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WANG Kunpeng ,1, LIU Zhaolin2, LIN Cunsheng2, WANG Zhiyu ,1,2 1. State Key Lab of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China 2. Branch of New Material Development, Valiant Co., Ltd., Yantai 265503, China Abstract In comparison to Li-ion batteries, Na-ion batteries offer the benefits of low cost, good low-temperature performance, and safety...
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The current production efficiency and yield of large cylindrical batteries are still relatively low, and there are still the following process difficulties in achieving high-efficiency mass production: 1) Full-tab forming: The difficulty lies in controlling the flattening accuracy and strength to avoid damage to the current collector or the generation of debris, dust, etc. 2) Collector plate and p...
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