Enhancing interfacial contact in all solid state batteries with a cathode-supported solid electrolyte membrane framework

被引:424
作者
Chen, Xinzhi [1 ]
He, Wenjun [2 ]
Ding, Liang-Xin [1 ]
Wang, Suqing [1 ]
Wang, Haihui [1 ]
机构
[1] South China Univ Technol, Sch Chem & Chem Engn, 381 Wushan Rd, Guangzhou 510640, Guangdong, Peoples R China
[2] Guangzhou FLM Sci Instrument Co Ltd, Guangzhou, Guangdong, Peoples R China
关键词
LI-ION BATTERIES; POLYMER ELECTROLYTES; ELECTROCHEMICAL PROPERTIES; CHALLENGES; CONDUCTIVITY; CONDUCTORS;
D O I
10.1039/c8ee02617c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
To address the challenge of interfacial contact between the solid electrolyte and electrode with a cost-efficient solution, we demonstrate a novel cathode-supported solid electrolyte membrane framework for advanced all solid state Li ion batteries. The solid electrolyte is directly cast on the cathode layer to enhance the wetting ability of solid electrolyte onto the cathode and reinforce the interfacial adhesion. Results show that the as-fabricated LiFePO4/Li solid state battery displays superior battery performances, e.g., an initial discharge capacity of 125 mA hg(-1) at 0.1C at room temperature can be achieved. The proposed electrolyte framework represents a promising strategy for mass production of high performance all solid state batteries based on Li metal anodes.
引用
收藏
页码:938 / 944
页数:7
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