Gas-diffusion and Direct-electron-transfer-type Bioanode for Hydrogen Oxidation with Oxygen-tolerant [NiFe]-hydrogenase as an Electrocatalyst

DOI PDF 被引用文献7件 参考文献22件
  • Keisei So
    Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University
  • Yuki Kitazumi
    Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University
  • Osamu Shirai
    Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University
  • Kouhei Kurita
    Department of Bioresource Science, College of Agriculture, Ibaraki University
  • Hirofumi Nishihara
    Department of Bioresource Science, College of Agriculture, Ibaraki University
  • Yoshiki Higuchi
    Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST)
  • Kenji Kano
    Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University

抄録

<jats:title>Abstract</jats:title> <jats:p>A membrane-bound [NiFe]-hydrogenase (MBH) from Hydrogenovibrio marinus allows the direct-electron-transfer (DET)-type bioelectrocatalysis for H2 oxidation and is an O2-tolerant promising enzyme for the construction of enzymatic H2–O2 biofuel cells. However, the oxidative and reversible inactivation called “anaerobic inactivation” limits the H2 oxidation at high potentials. In order to avoid this inhibition, we have constructed an MBH-adsorbed gas-diffusion-type electrode, in which H2 is spontaneously supplied to the electrode from the gas phase.</jats:p>

収録刊行物

  • Chemistry Letters

    Chemistry Letters 43 (10), 1575-1577, 2014-07-18

    Oxford University Press (OUP)

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