Macroporous polymer electrolytes based on PVDF/PEO-b-PMMA block copolymer blends for rechargeable lithium ion battery

被引：183

作者：

Xiao, Qizhen ^{[1
,2
,5
]}

Wang, Xingzhu ^{[1
,3
]}

Li, Wen ^{[4
]}

Li, Zhaohui ^{[1
,5
]}

Zhang, Tianjing ^{[1
,5
]}

Zhang, Hailiang ^{[1
,2
]}

机构：

[1] Xiangtan Univ, Coll Chem, Xiangtan 411105, Hunan, Peoples R China

[2] Xiangtan Univ, Key Lab Polymer Mat & Applicat Technol Hunan Prov, Xiangtan 411105, Hunan, Peoples R China

[3] Xiangtan Univ, Key Lab Adv Funct Polymer Mat, Coll Hunan Prov, Xiangtan 411105, Hunan, Peoples R China

[4] Shen Zhen Shi Dong Fang Hua Lian Technol Co, Shenzhen 518114, Peoples R China

[5] Xiangtan Univ, Minist Educ, Key Lab Environm Friendly Chem & Applicat, Xiangtan 411105, Hunan, Peoples R China

来源：

JOURNAL OF MEMBRANE SCIENCE | 2009年 / 334卷 / 1-2期

关键词：

Macroporous polymer electrolyte; PVDF/PEO-b-PMMA; Phase inversion; Ionic conductivity; POLY(VINYLIDENE FLUORIDE); POLY(METHYL METHACRYLATE); PHASE INVERSION; PERFORMANCE; CONDUCTION; MEMBRANES; BEHAVIOR;

D O I：

10.1016/j.memsci.2009.02.018

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A novel macroporous polymer electrolyte based on poly(vinylidene fluoride) (PVDF) and poly(ethylene oxide)-block-poly(methyl methacrylate) (PEO-b-PMMA) block copolymers blends was prepared by a phase inversion technique. The crystallinity of the polymer matrix was found to decrease with increase of PEO-b-PMMA content, which was confirmed by DSC thermal analyses. The pore structure and connectivity could be improved with addition of PEO-b-PMMA in the polymer matrix. The resulting macroporous polymer electrolyte exhibited high ionic conductivity, 2.79 x 10(-3) S cm(-1) at room temperature, and a good electrochemical stability up to 5.0V (vs. Li/Li+). These results showed that it is of great potential application in polymer lithium ion batteries. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：117 / 122

页数：6

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