PTFEの脱フッ素化による多孔質炭素の調製と電気二重層キャパシタへの応用

山田 能生, 棚池 修, 白石 壮志

doi:10.7209/tanso.2004.285

PTFEの脱フッ素化による多孔質炭素の調製と電気二重層キャパシタへの応用

DOI 被引用文献5件オープンアクセス

山田能生

福井大学工学部材料開発工学科
棚池修

産業技術総合研究所エネルギー技術研究部門
白石壮志

群馬大学大学院工学研究科ナノ材料システム工学専攻

書誌事項

タイトル別名

Preparation of porous carbon by defluorination of PTFE and its application to electric double layer capacitor

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説明

The paper reviews the features of porous carbons obtained from polytetrafluoroethylene (PTFE) defluorinated with alkali metals, and its application to electric double layer capacitance (EDLC). The carbons prepared possess high BET specific surface areas with large amount of narrow mesopores as well as micropores. The formation mechanisms of these carbons are also described and compared with those prepared from PTFE defluorinated with alkali cation-naphthalene anion radical complex. In the EDLC application, the carbons show larger capacitance values compared with the existing activated carbons having similar surface areas. The results are discussed on the basis of the relaxation of strong ion-sieving effect and ion transfer due to the presence of mesopores.