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Article Navigation >  Green Energy&Environment  > 2017  >  2(4): 436-441
Congmin Liu, Zhe Zhang, Wei Liu, Xu Du, Shi Liu, Yong Cui. Synergistic effect of polyoxometalate solution and TiO2 under UV irradiation to catalyze formic acid degradation and their application in the fuel cell and hydrogen evolution. Green Energy&Environment, 2017, 2(4): 436-441. doi: 10.1016/j.gee.2016.12.003
Citation: Congmin Liu, Zhe Zhang, Wei Liu, Xu Du, Shi Liu, Yong Cui. Synergistic effect of polyoxometalate solution and TiO2 under UV irradiation to catalyze formic acid degradation and their application in the fuel cell and hydrogen evolution. Green Energy&Environment, 2017, 2(4): 436-441. doi: 10.1016/j.gee.2016.12.003
shu

Synergistic effect of polyoxometalate solution and TiO2 under UV irradiation to catalyze formic acid degradation and their application in the fuel cell and hydrogen evolution

doi: 10.1016/j.gee.2016.12.003
  • a.

    Guodian New Energy Technology Research Institute, 2 North Street, Future Science and Technology Park, Changping District, Beijing 102209, China

  • b.

    School of Chemical & Biomolecular Engineering and RBI at Georgia Tech, Georgia Institute of Technology, 500 10th Street N.W., Atlanta, GA 30332-0620, USA

  • c.

    Key Laboratory of Nuclear Materials and Safety Assessment, Division of Materials for Special Environments, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

More Information
  • Corresponding author: E-mail address: yongcui@imr.ac.cn (Yong Cui)
  • Received date 03 November 2016, Accepted date 27 December 2016, RevRecd date 26 December 2016, Available online 06 January 2017, Publish date 31 October 2017,
    Abstract
  • The synergistic effect of H3PMo12O40 or H3PW12O40 polyoxometalate solution (POM) and TiO2 to catalyze formic acid oxidation was investigated. Under UV irradiation, hole and electron were photogenerated by TiO2. Formic acid was oxided by the photogenerated hole and photogenerated electron was transferred to reduce polyoxometalate. With this design, formic acid can be converted into electricity in the fuel cell and hydrogen can be generated in the electrolysis cell without noble metal catalyst. Unlike other noble metal catalysts applied in the fuel cells and electrolysis cell, POM and TiO2 are stable and low cost. The maximum output power density of liquid formic acid fuel cell after 12 h UV irradiation is 5.21 mW/cm2 for phosphmolybdic acid and 22.81 mW/cm2 for phosphotungstic acid respectively. The applied potential for the hydrogen evolution is as low as 0.8 V for phosphmolybdic acid and 0.6 V for phosphotungstic acid.

     

    • Congmin Liu and Zhe Zhang are the co-first authors. They make the equal contribution to this work.
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