Preparation and Performances of Zeolite-based Separator for Lithium-ion Batteries

被引：1

作者：

Zhang H.-T. ^{[1
]}

Shang H. ^{[1
]}

Gu B. ^{[1
]}

Zhang H.-Y. ^{[1
]}

机构：

[1] School of Electric Power, North China University of Water Resources and Electric Power, Zhengzhou

来源：

Cailiao Gongcheng/Journal of Materials Engineering | 2017年 / 45卷 / 12期

关键词：

Electrochemical property; Liquid electrolyte wettability; Lithium-ion battery; Thermal resistance; Zeolite separator;

D O I：

10.11868/j.issn.1001-4381.2015.001357

中图分类号：

学科分类号：

摘要：

To improve the poor thermal stability and electrolyte wettability of polyolefin-based separators, a high performance zeolite-based separator was prepared by a sintering process using zeolite particles, silica sol and ethylenediamine tetraacetic acid. The results show that compared with PE separator, the as-prepared zeolite separator exhibits well-developed microstructure superior thermal resistance and excellent liquid electrolyte wettability; the present separator has almost no thermal shrinkage after the heat treatment at 160℃ for 0.5h, while PE separator shows 100% thermal shrinkage under the same condition. Moreover, the electrolyte contact angle of zeolite separator is about 0°, while that of PE separator reaches 35°. Based on the above advantages, the zeolite separator shows better electrochemical performances, such as the discharge C-rate capability and cycling performance, as compared to the commercialized PE separator. © 2017, Journal of Materials Engineering. All right reserved.

引用

页码：83 / 87

页数：4

共 18 条

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