Nitroxide-substituted polyether as a new material for batteries

Takeo Suga, Kentaro Yoshimura, Hiroyuki Nishide*

*この研究の対応する著者

研究成果: Article査読

32 被引用数 (Scopus)

抄録

Nitroxide-substituted polyether was synthesized as a cathode-active material for a secondary battery. Anionic ring-opening polymerization of a TEMPO-bearing glycidyl ether was carried out under bulk conditions to yield the corresponding polymer with the molecular weight of >104. The obtained polymer was insoluble, but slightly swollen in the electrolyte solution (ethylene carbonate/propylene carbonate). The test cell fabricated with a carbon composite cathode of this radical polymer displayed a plateau voltage at 3.5 V vs. Li/Li+. The cell performance was maintained even with a higher amount of the radical polymer loaded in the composite electrode, which could be ascribed to the flexible and rubbery polyether backbone and its higher compatibility with the electrolyte solution.

本文言語English
ページ(範囲)416-422
ページ数7
ジャーナルMacromolecular Symposia
245-246
DOI
出版ステータスPublished - 2006 12月 1

ASJC Scopus subject areas

  • 凝縮系物理学
  • 有機化学
  • ポリマーおよびプラスチック
  • 材料化学

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