A novel composite gel polymer electrolyte for rechargeable lithium batteries

Han Hsin Kuo, Wei Chih Chen, Ten Chin Wen, A. Gopalan

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Composite polymer electrolyte (PE) films comprising thermoplastic polyurethane (TPU) and polyacrylonitrile (PAN) (denoted as TPU-PAN) were prepared by two different processes. The preparation of the TPU-PAN gel PE was more convenient than the traditional way of making PAN based electrolyte. The TPU-PAN composite possessed good mechanical properties. The TPU-PAN based gel PE showed high conductivity at room temperature. The existence of PAN in the composite improved the thermal stability. The lithium plating-stripping process was a reversible and implied better electrochemical stability in the working voltage range. The Li/PE (TPU-PAN)/LiCoO2 cell was successfully constructed and the performance was assessed. The formation of passive layer at Li/PE interface influenced the charge-discharge characteristics.

Original languageEnglish
Pages (from-to)27-33
Number of pages7
JournalJournal of Power Sources
Volume110
Issue number2
Publication statusPublished - 2002 Aug 22

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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