Electrical conductivity and stability of fluorine-carbon fiber intercalation compounds.

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  • NAKAJIMA Tsuyoshi
    Division of Molecular Engineering, Graduate School of Engineering, Kyoto University
  • NAKANE Kenji
    Division of Molecular Engineering, Graduate School of Engineering, Kyoto University
  • WATANABE Nobuatsu
    Division of Molecular Engineering, Graduate School of Engineering, Kyoto University

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Other Title
  • ふっ素‐炭素繊維層間化合物の電気伝導度および安定性
  • フッソ タンソ センイ ソウカン カゴウブツ ノ デンキ デンドウド オヨビ

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Description

Fluorine-carbon fiber intercalation compounds were prepared in the presence of lithium fluoride, and their electrical conductivity and air stability were investigated. Most of the prepared compounds were the mixture of 2 nd and 3 rd stage, C8∼10F (dcpu=9.4, 12.7Å) or the 3 rd stage, C10∼13F (dcpu=12.7Å). The 3 rcl stage compound gave the highest conductivity of 2.5×104S⋅cm-1 which was 8 times higher than that of pristine pitch fiber, 3.1×103S⋅cm-1. The air stability of the compound increased with increasing intercalated fluorines. ThE electric conductivity of C8.8F decreased by 22% after 80 d and by 28% after 200 d. The change in the X-ray diffraction lines coincided with the decrease in the electric conductivity.

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1985 (10), 1790-1794, 1985

    The Chemical Society of Japan

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