Electrochemical redox properties of polypyrrole/nafion composite film in a solid polymer electrolyte battery

Toshiyuki Momma, Satoko Kakuda, Hideki Yarimizu, Tetsuya Osaka

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Nafion(R) was introduced into a polypyrrole (PPy) matrix, and the redox performance of the PPy/Nafion electrode was investigated in a poly(ethylene oxide) (PEO)-LiClO4 electrolyte. A rougher interface between polymer cathode and polymer electrolyte is usually needed for an all-solid battery, however, the PPy/Nafion cathode works well regardless of the flat surface of the PPy/Nafion film. When compared to a PPy film doped with ClO4 - anions with a similar morphology, the PPy/Nafion film showed better redox performance. The results of ac impedance spectroscopy and potential-step chronoamperometry confirmed that the improvement in the redox reaction of the PPy/Nafion film was due to the enhancement of the ion diffusion rate in the film. Thus, the PPy/Nafion film showed good charging-discharging properties in a rechargeable Li/PEO-LiClO4/(PPy/Nafion) battery.

Original languageEnglish
Pages (from-to)1766-1769
Number of pages4
JournalJournal of the Electrochemical Society
Volume142
Issue number6
Publication statusPublished - 1995 Jun

Fingerprint

polypyrroles
Polypyrroles
Composite films
Electrolytes
electric batteries
Polymers
electrolytes
composite materials
polymers
Polyethylene oxides
Cathodes
cathodes
Oxidation-Reduction
polypyrrole
perfluorosulfonic acid
Chronoamperometry
Redox reactions
ethylene oxide
Anions
charging

ASJC Scopus subject areas

  • Electrochemistry
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Electrochemical redox properties of polypyrrole/nafion composite film in a solid polymer electrolyte battery. / Momma, Toshiyuki; Kakuda, Satoko; Yarimizu, Hideki; Osaka, Tetsuya.

In: Journal of the Electrochemical Society, Vol. 142, No. 6, 06.1995, p. 1766-1769.

Research output: Contribution to journalArticle

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