Butane Dry Reforming Catalyzed by Cobalt Oxide Supported on Ti2AlC MAX Phase

Maria Ronda-Lloret, Vijaykumar S. Marakatti, Willem G. Sloof, Juan José Delgado, Antonio Sepúlveda-Escribano, Enrique V. Ramos-Fernandez, Gadi Rothenberg, N. Raveendran Shiju

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)
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MAX (Mn+1AXn) phases are layered carbides or nitrides with a high thermal and mechanical bulk stability. Recently, it was shown that their surface structure can be modified to form a thin non-stoichiometric oxide layer, which can catalyze the oxidative dehydrogenation of butane. Here, the use of a Ti2AlC MAX phase as a support for cobalt oxide was explored for the dry reforming of butane with CO2, comparing this new catalyst to more traditional materials. The catalyst was active and selective to synthesis gas. Although the surface structure changed during the reaction, the activity remained stable. Under the same conditions, a titania-supported cobalt oxide catalyst gave low activity and stability due to the agglomeration of cobalt oxide particles. The Co3O4/Al2O3 catalyst was active, but the acidic surface led to a faster deactivation. The less acidic surface of the Ti2AlC was better at inhibiting coke formation. Thanks to their thermal stability and acid-base properties, MAX phases are promising supports for CO2 conversion reactions.

Original languageEnglish
Pages (from-to)6401-6408
Issue number23
Publication statusPublished - 2020


  • butane dry reforming
  • CO conversion
  • cobalt oxide
  • MAX phases
  • TiAlC support


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