A novel electrospun TPU/PVdF porous fibrous polymer electrolyte for lithium ion batteries

被引：50
|
作者：
Wu, Na
Jing, Bo [2 ]
Cao, Qi [1 ]
Wang, Xianyou
Kuang, Hao
Wang, Qiang
机构：
[1] Xiangtan Univ, Coll Chem, Key Lab Environm Friendly Chem & Applicat Ministe, Xiangtan 411105, Peoples R China
[2] Xiangtan Univ, Key Lab Polymer Mat & Applicat Technol Hunan Prov, Xiangtan 411105, Hunan, Peoples R China
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2012年 / 125卷 / 04期
关键词：
thermoplastic polyurethane (TPU); poly(vinylidene fluoride) (PVdF); electrospun; gel polymer electrolyte; lithium batteries; COMPRISING THERMOPLASTIC POLYURETHANE; POLY(ETHYLENE OXIDE); CONDUCTIVITY; MORPHOLOGY; SALTS;
D O I：
10.1002/app.36523
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Novel blend-based gel polymer electrolyte (GPE) films of thermoplastic polyurethane (TPU) and poly(vinylidene fluoride) (PVdF) (denoted as TPU/PVdF) have been prepared by electrospinning. The electrospun thermoplastic polyurethane-co-poly (vinylidene fluoride) membranes were activated with a 1M solution of LiClO4 in EC/PC and showed a high ionic conductivity about 1.6 mS cm-1 at room temperature. The electrochemical stability is at 5.0 V versus Li+/Li, making them suitable for practical applications in lithium cells. Cycling tests of Li/GPE/LiFePO4 cells showed the suitability of the electrospun membranes made of TPU/PVdF (80/20, w/w) for applications in lithium rechargeable batteries. (C) 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012
引用
收藏
页码：2556 / 2563
页数：8
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