Preparation of spherical activated carbon with high electric double-layer capacitance

Sang Ick Lee, Satoshi Mitani, Seong-Ho Yoon, Yozo Korai, Isao Mochida

研究成果: Contribution to journalArticle

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The preparation of optically anisotropic spherical carbon from coal-based isotropic pitch was investigated. NaOH and KOH were used as activating agents. Spherical carbon with or without pre-calcination was mixed with four times the amount of NaOH and KOH by weight. Capacitance was measured at 25°C in a two electrode system using 1 M Et4NBF4 in propylene carbonate as an electrolyte. The result shows that the high density and moderate reactivity of anisotropy spherical carbon balanced by the pre-calcination and moderate activation with NaOH was indicated in the high capacitance per volume.

元の言語英語
ページ(範囲)2332-2334
ページ数3
ジャーナルCarbon
42
発行部数11
DOI
出版物ステータス出版済み - 7 26 2004

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

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