Properties of electric double-layer capacitors with various polymer gel electrolytes

Xingjiang Liu, Tetsuya Osaka

研究成果: Article査読

126 被引用数 (Scopus)

抄録

Polyethylene oxide (PEO), polymethyl methacrylate (PMMA), and polyacrylonitrile (PAN) based gel electrolytes with a mixture of ethylene carbonate and propylene carbonate as plasticizer and lithium perchlorate were used to fabricate an electric double-layer capacitor (EDLC). The performance of EDLCs with these gel electrolyes was investigated by using isotropic high-density graphite electrodes. The ion conductivities of various of gel electrolytes were of the order of 10-4 to 10-3 S cm-1, and they decreased in the order PAN > PEO > PMMA at ambient temperature. Capacitances approaching the value of EDLCs using organic liquid electrolyte, 20 mF cm-2, with an isotropic high-density graphite electrode were obtained in PAN and PMMA gel electrolytes. The EDLC with PMMA-based gel electrolyte showed good charge-discharge behavior over 104 cycles at a charge potential of 3.0 V.

本文言語English
ページ(範囲)3066-3071
ページ数6
ジャーナルJournal of the Electrochemical Society
144
9
DOI
出版ステータスPublished - 1997 9
外部発表はい

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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