Gel polymer electrolyte with ionic liquid for high performance lithium sulfur battery

被引：79

作者：

Jin, Jun ^{[1
]}

Wen, Zhaoyin ^{[1
]}

Hang, Xiao ^{[1
]}

Cui, Yanming ^{[1
]}

Wu, Xiangwei ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, CAS Key Lab Mat Energy Convers, Shanghai 200050, Peoples R China

来源：

SOLID STATE IONICS | 2012年 / 225卷

关键词：

Lithium sulfur battery; Gel polymer electrolyte; Ionic liquid; Lithium ion battery; ELECTROCHEMICAL PROPERTIES; RECHARGEABLE BATTERIES; CARBON COMPOSITES; CATHODE;

D O I：

10.1016/j.ssi.2012.03.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Poly(vinylidenefluoride-hexafluoropropylene)[P(VDF-HFP)] membrane with porous structure was prepared by a simple phase separation process. The gel polymer electrolyte (GPE) prepared by combining the porous membrane with N-methyl-N-butylpyrrolidinium bis(trifluoromethanesulfonyl)imide ionic liquid shows good thermal stability, high anodic oxidation potential (>5.0 V vs. Li/Li+) and good interfacial stability with lithium electrode. The lithium sulfur battery with the GPE delivers an initial discharge capacity 1217.7 mAh g(-1) and maintains a reversible capacity of 818 mAh g(-1) after 20 cycles at a current density of 50 mA g(-1). (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：604 / 607

页数：4

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