TEMPO-Substituted Poly(ethylene sulfide) for Solid-State Electro-Chemical Charge Storage

Kan Hatakeyama-Sato, Hisato Wakamatsu, Satoshi Matsumoto, Karin Sadakuni, Koji Matsuoka, Tomomi Nagatsuka, Kenichi Oyaizu

研究成果: Article査読

抄録

A poly(ethylene sulfide) backbone is introduced as the main chain of a radical polymer. Anionic ring-opening polymerization of an episulfide monomer substituted with 2,2,6,6tetramethylpiperidin1oxyl (TEMPO), a robust nitroxide radical, yields the corresponding polythioether. Compared to the traditional poly(ethylene oxide) backbone, the new polymer shows a lower glass transition temperature (−10 °C), and about threefold higher solid-state ionic conductivity. The polythioether is also shown to improve the charge/discharge properties of a cathode in solid-state lithium-ion batteries.

本文言語English
ジャーナルMacromolecular rapid communications
DOI
出版ステータスAccepted/In press - 2021

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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