Anion Doping-undoping Process of Electrochemically Polymerized

Polypyrrole Film, Yuji Yatsuda, Hiroshi Sakai, Tetsuya Osaka

Research output: Contribution to journalArticle

Abstract

The electrochemical anion doping-undoping of the film, (C4H3N)x, prepared by the electrochemical polymerization of pyrrole was investigated under potentiostatic conditions. The impedance behavior of the doping-undoping process into the C4H3N)x film was measured by the FFT method and it was represented by the Randles-type equivalent circuit. The resistive Rr value sensitively reflected the variation of doping-undoping process of the C4H3N)x film in a similar, manner as in the case of a polyacetylene film, suggesting that the dopant diffusion process into the polypyrrole film controled the doping process. A charging-discharging of simple Li-C4H3N)x battery in propylene carbonate was also investigated. The resistive Rr value of the cell clearly had the correlation with open-circuit voltage and the charged conditions.

Original languageEnglish
Pages (from-to)1331-1336
Number of pages6
JournalNippon Kagaku Kaishi
Volume1985
Issue number7
DOIs
Publication statusPublished - 1985

ASJC Scopus subject areas

  • Chemistry(all)

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