Hydrogen generation by sodium borohydride hydrolysis on nanosized CoB catalysts supported on TiO2, Al2O3 and CeO 2

Yi Chun Lu, Miao Sheng Chen, Yu Wen Chen

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Abstract

A series of nanosized CoB catalysts supported on TiO2, Al 2O3, and CeO2 were prepared. The catalysts were prepared by incipient-wetness impregnation. The sample was dried at 100°C and then dispersed in water and reduced by an aqueous solution of sodium borohydrate at room temperature. An unsupported CoB cluster was used for comparison. The activities of the supported CoB catalysts were higher than that of unsupported one. The reaction rates of these supported CoB catalysts decreased in the order: CoB/TiO2 > CoB/Al2O3 > CoB/CeO2 > unsupported CoB. The reaction kinetics on various catalysts was also investigated.

Original languageEnglish
Pages (from-to)4254-4258
Number of pages5
JournalInternational Journal of Hydrogen Energy
Volume37
Issue number5
DOIs
StatePublished - Mar 2012

Keywords

  • Cobalt boride
  • Cobalt catalyst
  • Hydrogen energy
  • Sodium borohydride

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