Electrospun PU/PVP/GO Separator for Li-ion Batteries

被引：5
作者：
Song, Kedong [1 ]
Zhang, Ping [1 ]
Huang, Yuting [1 ]
Xu, Fu [1 ]
Ding, Yanhuai [1 ]
机构：
[1] Xiangtan Univ, Inst Rheol Mech, Xiangtan 411105, Peoples R China
来源：
FIBERS AND POLYMERS | 2019年 / 20卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Composite; Separator; Electrochemical performance; Li-storage; NANOFIBROUS SEPARATORS; POLYMER ELECTROLYTE; HIGH-PERFORMANCE;
D O I：
10.1007/s12221-019-8883-2
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
Polyurethane (PU) has been intensively studied as a promising separator material for Li-ion batteries (LIBs). However, poor dimensional stability and low liquid-electrolyte wettability of pure PU separator restrict its application in LIBs. Here polyvinyl pyrrolidone (PVP) and graphene oxide were employed to enhance the thermal stability, mechanical performance and liquid-electrolyte compatibility of PU separator. High anodic stability above 5.25 V was reached in PU/PVP/GO separator, fully compatible with the high-voltage cathode materials. The electrochemical characterization indicates PU/PVP/GO membrane is a promising separator for advanced LIBs.
引用
收藏
页码：961 / 965
页数：5
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