Electrochemical generation of oxygen-containing groups in an ordered microporous zeolite-templated carbon

R. Berenguer, H. Nishihara, H. Itoi, T. Ishii, E. Morallón, D. Cazorla-Amorós, T. Kyotani

    Research output: Contribution to journalArticlepeer-review

    51 Citations (Scopus)

    Abstract

    Zeolite templated carbon (ZTC) was electrochemically oxidized under various conditions, and its chemistry and structural evolution were compared to those produced by conventional chemical oxidation. In both oxidation methods, a general loss of the original structure regularity and high surface area was observed with increasing amount of oxidation. However, the electrochemical method showed much better controllability and enabled the generation of a large number of oxygen functional groups while retaining the original structure of the ZTC. Unlike chemical treatments, highly microporous carbons with an ordered 3-D structure, high surface area (ranging between 1900 and 3500 m2/g) and a large number of oxygen groups (O = 11,000-3300 μmol/g), have been prepared by the electrochemical method. Some insights into the electrooxidation mechanism of carbon materials are proposed from the obtained polarization curves, using ZTC as a model carbon material.

    Original languageEnglish
    Pages (from-to)94-104
    Number of pages11
    JournalCarbon
    Volume54
    DOIs
    Publication statusPublished - 2013 Apr

    ASJC Scopus subject areas

    • Chemistry(all)
    • Materials Science(all)

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