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Study of lithiated Nafion ionomer for lithium batteries

  • H. Y. Liang
  • , X. P. Qiu*
  • , S. C. Zhang
  • , W. T. Zhu
  • , L. Q. Chen
  • *此作品的通讯作者
  • Tsinghua University

科研成果: 期刊稿件文章同行评审

摘要

Lithiated Nafion 112 ionomer was characterized by FT-IR spectroscopy, AC impedance, and cyclic voltammetry. The ionomer swollen with mixed solvents of propylene carbonate (PC) and ethylene carbonate shows ionic conductivity of 8.18 × 10-5 S cm-1 at 25°C and good electrochemical stability to allow operation in Li/ionomer/ LiCoO2 cells. The discharge capacity of the first cycle is 126 mAh g-1. Significant capacity loss occurs during cycling due to the presence of PC. AC impedance shows that the passive layer formed at the Li/ionomer interface dominates the cycling performance of the cell.

源语言英语
页(从-至)1211-1214
页数4
期刊Journal of Applied Electrochemistry
34
12
DOI
出版状态已出版 - 12月 2004

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