硅酸盐学报

聚偏氟乙烯基聚合物电解质膜在高能量密度金属锂负极固–液混合电池中的应用

作者：陈凯1 程丽乾2 王兴勤1 刘建红1 吴宁宁1

单位：(1. 中信国安盟固利动力科技有限公司北京 102200 2. 中国矿业大学(北京)材料科学与工程系北京 100083)

分类号：TM911

出版年,卷(期):页码：2019,47(10):0-0

DOI：

摘要：

使用聚合物基固态电解质膜的金属锂负极固–液混合电池是一种有望实现的高能量密度、高安全性新型锂电池。采用大面积涂覆成膜的方式实现了高性能聚偏氟乙烯(PVDF)基聚合物电解质薄膜的制备，通过对电导率、耐高压性能、与金属锂负极界面稳定性、扣电性能等电化学性能的测试，验证其在高能量密度电池中应用的可能性，组装了350 W?h/kg的软包固–液混合电池和1~4层双电极软包电池，最后提出了有望实现400 W?h/kg以上超高能量密度的可行技术方案。

基金项目：

国家自然科学基金(51602345)。

作者简介：

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