炭素化ポリアニリンの電気化学容量 Electrochemical capacitance of carbonized polyaniline

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著者

    • 白石 壮志 SHIRAISHI Soshi
    • 群馬大学大学院工学研究科 応用化学・生物化学専攻 Department of Chemistry and Chemical Biology, Graduate School of Engineering, Gunma University
    • 間明田 博清 MAMYOUDA Hirokiyo
    • 群馬大学大学院工学研究科 応用化学・生物化学専攻 Department of Chemistry and Chemical Biology, Graduate School of Engineering, Gunma University

抄録

Nitrogen-enriched carbon materials were prepared by the heat-treatment of polyaniline (PANT). The electrochemical capacitance of the carbonized PANI in 1.0 mol dm<SUP>-3</SUP> H<SUB>2</SUB>SO<SUB>4</SUB> electrolyte depended on the heat-treatment. The carbonized PANI at 800°C showed good cycle performance and 157 F·g-1 of the gravimetric capacitance. The capacitance is lower than the original PANI, but it is comparable to conventional activated carbon fibers (ACF). The specific capacitance per BET surface area for the carbonized PANI was about 40 times as much as that for the ACF. The capacitance of the carbonized PANI was not correlated with the BET specific surface area, but strongly depended on the electronic conductivity and the nitrogen content. These results suggest the redox center of nitrogen-containing surface functionalites rather than the double layer charging as the capacitance origin for the carbonized PANI.

収録刊行物

  • 炭素  

    炭素 (232), 61-66, 2008-03-28 

    THE CARBON SOCIETY OF JAPAN

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各種コード

  • NII論文ID(NAID)
    10021127589
  • NII書誌ID(NCID)
    AN00140335
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03715345
  • NDL 記事登録ID
    9453619
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z17-230
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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