锂电池基础科学问题(Ⅴ)——电池界面

被引：15

作者：

郑杰允

李泓

机构：

[1] 中国科学院物理研究所

来源：

储能科学与技术 | 2013年 / 2卷 / 05期

关键词：

界面; 固体电解质中间相膜; 表征; 锂离子电池;

D O I：

暂无

中图分类号：

TM912 [蓄电池];

学科分类号：

0808 ;

摘要：

电池中固液界面的性质对锂离子电池充放电效率、能量效率、能量密度、功率密度、循环性、服役寿命、安全性、自放电等特性具有重要的影响。对界面问题的研究是锂离子电池基础研究的核心。本文小结了锂离子电池电极表面固体电解质中间相(SEI)形成机理及对其组成结构的认识,介绍了近年来对锂离子输运机制、SEI膜改性研究以及透射电镜(TEM)及原子力显微镜(AFM)中力曲线等实验技术来分析SEI膜的形貌、厚度、覆盖度及力学性能等实验方法。

引用

页码：503 / 513

页数：11

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