锂离子二次电池
By using a polymer electrolyte, which combines lithium salt, ionic liquid and polymer, the problem of insufficient strength in lithium-ion secondary batteries is solved, achieving high ionic conductivity and excellent electrical characteristics, especially high performance at high charge and discharge rates.
CN115298874BActive Publication Date: 2026-07-17DKS CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DKS CO LTD
- Filing Date
- 2021-03-09
- Publication Date
- 2026-07-17
Smart Images
Figure BDA0003842382620000131
Abstract
本发明提供一种强度高并且离子电导率优异、电特性优异的技术。锂离子二次电池具备正极、负极和高分子电解质，且其特征在于：所述高分子电解质包含锂盐、离子液体和高分子聚合物，所述离子液体含有双(氟磺酰)亚胺阴离子作为阴离子成分，所述锂盐的含量相对于所述离子液体与所述高分子聚合物的含量之和为2mol / kg以上且6mol / kg以下，所述高分子聚合物的含量相对于所述离子液体与所述高分子聚合物的含量之和为25质量％以上且40质量％以下。
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