Study on electrodeposition Ni-W-P alloy for hydrogen production in microbial electrolysis cell

Yuan Xu, Liyong Wang, Yejie Ye, Yingwen Chen, Shemin Zhu, Shubao Shen

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A new alloy material nickel-tungsten-phosphorus (Ni-W-P) was obtained by electrodeposition. The effects of experimental conditions, such as heat treatment, nickel sulfate concentration, Sodium Tungstate concentration, Sodium hypophosphite concentration, on the catalytic activity of Ni-W-P alloys for hydrogen evolution reaction were systematically studied. The morphology and chemical components of the catalyst were characterized by scanning electron microscopy (SEM) and X-Ray Fluorescence (XRF). The results show that Ni-W-P is an excellent cathodic material for the hydrogen production by microbial electrolysis cell. At an applied voltage of 0.9V, MEC with Ni-W-P cathode obtained a maximum hydrogen production rate of 1.09 m 3/(m 3·d) with current density of 131 A/m 3 and COD removal of 91.2%.

Original languageEnglish
Pages (from-to)258-263
Number of pages6
JournalTaiyangneng Xuebao/Acta Energiae Solaris Sinica
Volume33
Issue number2
StatePublished - Feb 2012

Keywords

  • Biological hydrogen production
  • Microbial Electrolysis Cell (MEC)
  • Ni-W-P alloy
  • Waste water treatment

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