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Preparation and performance of novel acrylonitrile (AN)-based copolymer gel electrolytes for lithium ion batteries

  • Weihua Pu*
  • , Shichao Zhang
  • , Lan Zhang
  • , Xiangming He
  • , Chunrong Wan
  • , Changyin Jiang
  • *此作品的通讯作者
  • Tsinghua University
  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

A novel acrylonitrile (AN)-based copolymer, P (acrylonitrile (AN) - methyl methacrylate (MMA)-methoxy polyethylene glycol (350) monoacrylate (MPGA)-lithium acrylate (LiAc)) (PAMMGLiAc) gel electrolytes were prepared in this paper. The physical properties of the AN-based copolymer membranes were characterized by IR, NMR, TGA, DSC and tensile test. The electrochemical characteristics of the AN-based gel electrolytes were investigated by electrochemical impedance spectroscopy (EIS) and linear sweep voltammetry (LSV). The results show that the gel electrolytes have high ionic conductivity over 2×10-3S/cm at room temperature, good mechanical properties and a sufficient electrochemical stability with a decomposition voltage as high as 6V vs. Li. The Li/gel electrolyte/LiFePO4 coin cells with the prepared copolymer gel electrolytes also showed a good charge/discharge performance.

源语言英语
主期刊名ECS Transactions - Non-Aqueous Electrolytes for Lithium Batteries - 214th ECS Meeting
115-122
页数8
版本35
DOI
出版状态已出版 - 2009
活动Non-Aqueous Electrolytes for Lithium Batteries - 214th ECS Meeting - Honolulu, HI, 美国
期限: 12 10月 200817 10月 2008

出版系列

姓名ECS Transactions
编号35
16
ISSN(印刷版)1938-5862
ISSN(电子版)1938-6737

会议

会议Non-Aqueous Electrolytes for Lithium Batteries - 214th ECS Meeting
国家/地区美国
Honolulu, HI
时期12/10/0817/10/08

联合国可持续发展目标

此成果有助于实现下列可持续发展目标:

  1. 可持续发展目标 7 - 经济适用的清洁能源
    可持续发展目标 7 经济适用的清洁能源

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