Three-dimensionally arrayed and mutually connected 1.2-nm nanopores for high-performance electric double layer capacitor

Hiroyuki Itoi, Hirotomo Nishihara, Taichi Kogure, Takashi Kyotani

    Research output: Contribution to journalArticlepeer-review

    230 Citations (Scopus)

    Abstract

    Zeolite-templated carbon is a promising candidate as an electrode material for constructing an electric double layer capacitor with both high-power and high-energy densities, due to its three-dimensionally arrayed and mutually connected 1.2-nm nanopores. This carbon exhibits both very high gravimetric (140-190 F g-1) and volumetric (75-83 F cm-3) capacitances in an organic electrolyte solution. Moreover, such a high capacitance can be well retained even at a very high current up to 20 A g-1. This extraordinary high performance is attributed to the unique pore structure.

    Original languageEnglish
    Pages (from-to)1165-1167
    Number of pages3
    JournalJournal of the American Chemical Society
    Volume133
    Issue number5
    DOIs
    Publication statusPublished - 2011 Feb 9

    ASJC Scopus subject areas

    • Catalysis
    • Chemistry(all)
    • Biochemistry
    • Colloid and Surface Chemistry

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