Synergism in NiMoOx precursors essential for CH 4/CO2 dry reforming

Chuan Shi*, Shaohua Zhang, Xiaosong Li, Anjie Zhang, Ming Shi, Yongjun Zhu, Jieshan Qiu, Chak Tong AU

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

41 Citations (Scopus)


Ni-Mo2C(CP) and Ni-Mo2C(MM) catalysts were prepared through carbonization of NiMoOx precursors prepared by co-precipitation (CP) and mechanical mixing (MM), respectively. Different preparation methods lead to different chemical compositions, reduction properties, as well as carbonization process of NiMoOx precursors. It was found that Ni-Mo2C(CP) has better Ni dispersion than Ni-Mo 2C(MM). With smaller Ni particles and higher CH4 dissociation rate, Ni-Mo2C(CP) performs better than Ni-Mo 2C(MM) in CH4/CO2 reforming. It is deduced that nickel is better stabilized in NiMoO4 than in NiO, and the sintering of metallic nickel during high-temperature carburization is less severe with NiMoO4(CP). Based on the results, we address for the first time the key roles of NiMoO4 as a precursor for the formation of Ni-Mo 2C effective for CH4/CO2 reforming.

Original languageEnglish
Pages (from-to)46-52
Number of pages7
JournalCatalysis Today
Publication statusPublished - 15 Sept 2014

Scopus Subject Areas

  • Catalysis
  • Chemistry(all)

User-Defined Keywords

  • Carbon dioxide
  • Methane
  • Molybdenum carbide
  • Nickel


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