All-solid-state electric double-layer capacitor with isotropic high-density graphite electrode and polyethylene oxide/LiClO4 polymer electrolyte

Xingjiang Liu*, Tetsuya Osaka

*この研究の対応する著者

研究成果: Article査読

94 被引用数 (Scopus)

抄録

An isotropic high-density graphite was used as a polarizable electrode of all-solid state electric double-layer capacitor using polyethylene oxide (PEO) or gel PEO electrolyte. The all-solid-state capacitor with high-density graphite electrodes possesses higher differential capacity than the other flat electrodes in PEO/LiClO4 ([EO]/[Li+] = 8:1) solid polymer electrolyte at 80°C or PEO/PC/LiClO4 ([EO]/[PC]/[Li+] = 8:8:1) gel electrolyte at ambient temperature. The capacitance of the electric double layer of the high-density graphite electrode was strongly influenced by the cell temperature and concentration of LiClO4, because of the different state of the polymer crystallinity and different interface contact state between the high-density graphite electrode and the solid electrolyte. The all-solid-state capacitor with PEO/LiClO4 ([EO]/[Li+] = 8:1) solid polymer electrolyte and PEO/PC/LiClO4 ([EO]/[PC]/[Li+] = 8:8:1) gel electrolytes showed good charge/discharge behavior with a relatively high capacitance at 80 and 20°C, respectively.

本文言語English
ページ(範囲)3982-3986
ページ数5
ジャーナルJournal of the Electrochemical Society
143
12
DOI
出版ステータスPublished - 1996 12

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 再生可能エネルギー、持続可能性、環境
  • 表面、皮膜および薄膜
  • 電気化学
  • 材料化学

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