Performance of through-hole anodic aluminum oxide membrane as a separator for lithium-ion battery

被引：62

作者：

Chen, Jingjuan ^{[1
,2
]}

Wang, Suqing ^{[1
]}

Ding, Liangxin ^{[1
]}

Jiang, Yanbin ^{[1
]}

Wang, Haihui ^{[1
]}

机构：

[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510641, Guangdong, Peoples R China

[2] Anqing Normal Univ, Sch Chem & Chem Engn, Anqing 246003, Anhui, Peoples R China

来源：

JOURNAL OF MEMBRANE SCIENCE | 2014年 / 461卷

基金：

中国国家自然科学基金;

关键词：

Lithium-ion battery; AAO membrane; Separator; LiFePO4; CERAMIC-COATED SEPARATORS; ELECTROCHEMICAL PERFORMANCE; POLYETHYLENE SEPARATORS; COMPOSITE SEPARATORS; THERMAL-STABILITY; LI; ELECTROLYTE; ENHANCEMENT; SIO2;

D O I：

10.1016/j.memsci.2014.03.005

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A high porosity through hole anodic aluminum oxide (AAO) membrane has been prepared by a two-step anodization procedure. The as-prepared AAO membrane is around 60 pm thick with a uniform pore size of about 80 nm. Moreover, we also found that the AAO membrane not only has a good mechanical strength but also shows better performances on electrolyte infiltration and retention compared with the commercial polymer separator. The LiFePO4/graphite battery using the AAO separator exhibits better cycling stability, rate capability and low-temperature performance than those using the polymer separators. The excellent electrochemical performances can be attributed to good hydrophilic characteristic, high porosity and through-pore structure of the AAO separators used. Therefore, the AAO separator is very promising to be applied in lithium-ion batteries. (C) 2014 Elsevier By. All rights reserved.

引用

页码：22 / 27

页数：6

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