Biogas reforming over BaTi1-xSnxO3-supported Ni-based catalysts recovered from spent Ni-metal-hydride batteries

Michihiro Miyake, Natsumi Tomiyama, Kazuhito Iwamoto, Kentaro Nagase, Shunsuke Nishimoto, Yoshikazu Kameshima

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

BaTi1-xSnxO3-supported Ni-based catalysts recovered from spent Ni-metal-hydride (Ni-MH) batteries [wNi/BaTi1-xSnxO3 (x = 0.0, 0.2, 0.4, 0.6, and 1.0)] were prepared. Their catalytic activities for model biogas reforming reactions were examined at 800 °C and compared with that of wNi/γ-Al2O3. According to the results, wNi/BaTi0.8Sn0.2O3 exhibited high reforming performance and high sustainability among the catalysts tested. wNi/γ-Al2O3 exhibited unsustainability due to carbon deposition, although its performance was excellent for a short time. BaTi0.8Sn0.2O3 functioned as an inhibitor, depressing carbon deposition. This function was likely due to the mobile oxide ions and alkaline earth oxides in the catalyst supports.

Original languageEnglish
Pages (from-to)8341-8346
Number of pages6
JournalInternational Journal of Hydrogen Energy
Volume40
Issue number26
DOIs
Publication statusPublished - Jul 13 2015

Keywords

  • BaTiSnO-supported Ni catalyst
  • Biogas reforming
  • Mobile oxide ion
  • Resistance to carbon deposition
  • Spent Ni-metal-hydride battery

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

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