CN201710395717
CN108987791A
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摘要:本发明提供了一种聚合物电解质,包括锂盐、电解液和单体,所述单体包括、含有(CH2CH2O)n的第一凝胶单体和含有(CH2)m的第二凝胶单体,其中,1≤n≤4,4≤m≤8;其中,所述第一凝胶单体和第二凝胶单体的重量比例为1:3—3:1。还提供一种含有该聚合物电解质的电池,在平衡凝胶基质与电解液的相亲性的同时,改进了电池的循环寿命和倍率性能。
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Abstract: The present invention provides a polymer electrolyte, which comprises a lithium salt, an electrolytic solution and a monomer, wherein the monomer comprises a first gel monomer containing (CH2CH2O)n and a second gel monomer containing (CH2)m, n is more than or equal to 1 and less than or equal to 4, m is more than or equal to 4 and less than or equal to 8, and a weight ratio of the first gel monomer to the second gel monomer is 1:3-3:1. The invention further provides a battery containing the polymer electrolyte, wherein the cycle life and the rate performance of the battery are improved while the affinity between the gel matrix and the electrolytic solution is balanced.
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申请人: 上海比亚迪有限公司
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Applicant: SHANGHAI BYD CO LTD
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地址: 201611 上海市松江区车墩镇********(隐藏)
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发明(设计)人: 鲁丹 雷裕东 张宝生
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Inventor: LU DAN; LEI YUDONG; ZHANG BAOSHENG
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主分类号: H01M10/0525(2010.01)I
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分类号: H01M10/0525(2010.01)I H01M10/0567(2010.01)I H01M10/0568(2010.01)I
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