Emerging n-type redox-active radical polymer for a totally organic polymer-based rechargeable battery

Takeo Suga, Hiroki Ohshiro, Shuhei Ugita, Kenichi Oyaizu, Hiroyuki Nishide

Research output: Contribution to journalArticle

225 Citations (Scopus)

Abstract

A study was conducted to demonstrate the use of N-type redox-active radical polymer for totally organic polymer-based rechargeable battery applications. Aliphatic polymers, such as poly(2,2,6,6-tetramethylpiperidinyl-oxy-4- methacrylate) were used as cathode-active materials in a rechargeable battery. The densely populated and redox-isolated groups permit rapid and quantitative charge and discharge at a constant output voltage, contributing to the high capacity and high power rate performance of the battery. The study focused on the reversible and rapid one-electron redox reaction between galvinoxyl radicals and galvinolate anions, where the reduction of the neutral radical was regarded as an n-type redox reaction. N-type and rapid redox activity of poly(galvinoxylstyrene) was described, emphasizing on battery applications and demonstrating a new class of n-type redox-active polymers for a long term and charge-storage material.

Original languageEnglish
Pages (from-to)1627-1630
Number of pages4
JournalAdvanced Materials
Volume21
Issue number16
DOIs
Publication statusPublished - 2009 Apr 27

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Organic polymers
Secondary batteries
Polymers
Redox reactions
Methacrylates
Anions
Cathodes
Negative ions
Oxidation-Reduction
Electrons
Electric potential

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Emerging n-type redox-active radical polymer for a totally organic polymer-based rechargeable battery. / Suga, Takeo; Ohshiro, Hiroki; Ugita, Shuhei; Oyaizu, Kenichi; Nishide, Hiroyuki.

In: Advanced Materials, Vol. 21, No. 16, 27.04.2009, p. 1627-1630.

Research output: Contribution to journalArticle

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