Effect of acrylonitrile composition in NBR on enhanced anion doping-undoping process of NBR-guided-grown-polypyrrole film electrode

Tetsuya Osaka, Katsuhiko Naoi, Michiko Maeda, Sadako Nakamura

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The anion doping-undoping process of NBR nitrile butadiene rubber-guided-grown-polypyrrole (PPy/NBR) film electrode was investigated by varying the precoated NBR film thickness and the acrylonitrile content in the NBR host polymer. The electrode kinetics and the morphology orientation of the PPy/NBR film were found to depend greatly on the nature of the precoated NBR film. Compared to a normally polymerized PPy film, a PPy/NBR film formed particularly with ClO4 - anion showed an enhanced switching reversibility and an acceleration of the dopant movement within the polymer layer. Impedance analysis revealed that the PPy/NBR films show a clear change in their overall electrode process, from a charge transfer limiting process to a diffusion limiting process according to an increase in the precoated NBR thickness and also to a decrease in the acrylonitrile content of the NBR film. The perpendicularly formed morphology is easily formed when using NBR with less acrylonitrile. The rechargeable lithium battery with a PPy/NBR cathode shows a better charging-discharging performance than a PPy/NBR cathode formed with a lower AN content NBR.

Original languageEnglish
Pages (from-to)1385-1388
Number of pages4
JournalJournal of the Electrochemical Society
Volume136
Issue number5
Publication statusPublished - 1989 May

Fingerprint

Acrylonitrile
acrylonitriles
polypyrroles
Polypyrroles
Anions
Negative ions
Doping (additives)
anions
Electrodes
electrodes
Chemical analysis
Polymers
Cathodes
cathodes
Nitriles
Lithium batteries
lithium batteries
nitriles
Rubber
polymers

ASJC Scopus subject areas

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

Cite this

Effect of acrylonitrile composition in NBR on enhanced anion doping-undoping process of NBR-guided-grown-polypyrrole film electrode. / Osaka, Tetsuya; Naoi, Katsuhiko; Maeda, Michiko; Nakamura, Sadako.

In: Journal of the Electrochemical Society, Vol. 136, No. 5, 05.1989, p. 1385-1388.

Research output: Contribution to journalArticle

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