Theoretical study on oxidation reaction mechanism on Au catalyst in direct alkaline fuel cell

Takayoshi Ishimoto, Hiroki Kazuno, Takayuki Kishida, Michihisa Koyama

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    We theoretically analyzed the surface structure of Au in alkaline solution and the glucose oxidation reaction to understand the electrooxidation process in direct alkaline glucose fuel cell. We find the oxidation reaction mechanism of glucose on Au catalyst in alkaline solution theoretically as follows. i) Glucose adsorbs on OH of Au surface. ii) OH- in alkaline solution interacts with CHO group of glucose. iii) Water is formed by proton transfer from CHO group of glucose to OH- in solution. iv) Gluconic acid is formed by OH transfer from Au surface.

    Original languageEnglish
    Pages (from-to)328-331
    Number of pages4
    JournalSolid State Ionics
    Volume262
    DOIs
    Publication statusPublished - Sep 1 2014

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)
    • Materials Science(all)
    • Condensed Matter Physics

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