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Hydrogen production by auto-thermal reforming of ethanol over Ni-Ti-Zr metal oxide catalysts

Author

Listed:
  • Youn, Min Hye
  • Seo, Jeong Gil
  • Park, Sunyoung
  • Park, Dong Ryul
  • Jung, Ji Chul
  • Kim, Pil
  • Song, In Kyu

Abstract

A series of Ni5TixZr5−xO15 (x=0, 1, 2.5, 4, and 5) catalysts was prepared by a one-step sol-gel method for use in hydrogen production by auto-thermal reforming of ethanol. The effect of the Ti:Zr ratio on the crystalline structure, electronic property, and catalytic performance of Ni5TixZr5−xO15 was investigated. The coexistence of titanium and zirconium favorably served to form metallic nickel (Ni0) species, and the reducibility of nickel oxide species was closely related to the catalytic performance of Ni5TixZr5−xO15 catalysts. The hydrogen selectivity over Ni5TixZr5−xO15 catalysts showed a volcano-shaped curve with respect to titanium substitution. Along with the reducibility, the water-activation ability of ZrO2 was an important factor affecting the catalytic performance. Among the catalysts tested, Ni5Ti1Zr4O15 showed the best catalytic performance.

Suggested Citation

  • Youn, Min Hye & Seo, Jeong Gil & Park, Sunyoung & Park, Dong Ryul & Jung, Ji Chul & Kim, Pil & Song, In Kyu, 2009. "Hydrogen production by auto-thermal reforming of ethanol over Ni-Ti-Zr metal oxide catalysts," Renewable Energy, Elsevier, vol. 34(3), pages 731-735.
    • Handle: RePEc:eee:renene:v:34:y:2009:i:3:p:731-735
    DOI: 10.1016/j.renene.2008.04.021
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    Cited by:

    1. Fan, Mei Qiang & Sun, Li Xian & Xu, Fen, 2011. "Hydrogen production for micro-fuel-cell from activated Al–Sn–Zn–X (X: hydride or halide) mixture in water," Renewable Energy, Elsevier, vol. 36(2), pages 519-524.
    2. Xuan, Jin & Leung, Michael K.H. & Leung, Dennis Y.C. & Ni, Meng, 2009. "A review of biomass-derived fuel processors for fuel cell systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(6-7), pages 1301-1313, August.
    3. Lee, Juhyun & Lee, Jun Su & Kang, Misook, 2011. "Synthesis of group IA alkali metal-aluminosilicates, and their hydrogen production abilities on methanol thermal decomposition," Energy, Elsevier, vol. 36(5), pages 3293-3301.
    4. Chaubey, Rashmi & Sahu, Satanand & James, Olusola O. & Maity, Sudip, 2013. "A review on development of industrial processes and emerging techniques for production of hydrogen from renewable and sustainable sources," Renewable and Sustainable Energy Reviews, Elsevier, vol. 23(C), pages 443-462.

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