Methanol reforming by nanostructured Pd/Sm-doped ceria catalysts

M.R. Kosinski, A.J. Vizcaíno, L.M. Gómez-Sainero, A. Carrero, R.T. Baker

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Catalysts of 2 wt% Pd/Sm-doped Ceria (SDC) were prepared and evaluated for hydrogen production by methanol reforming. Three preparation methods were used: a one-step method in which formation of the SDC phase and Pd incorporation took place in a single citrate-complexation process (Method A); impregnation of pre-prepared SDC nanopowder supports using Pd(NO3)2 solution (Method B); and impregnation of pre-prepared SDC from H2PdCl4 solution (Method C). Both methanol conversion and hydrogen yield increased as: bare supports<<Method A < Method C < Method B, the latter achieving values of up to 97.4 % and 236.2 %, respectively. Pd was well dispersed as fine nanoparticles by Methods B and C, but larger particles were resolved for Method A. Method B resulted in a high surface concentration of Pd, further improving catalytic activity. Undesirable Cl was retained in samples of Method C. Method B resulted in catalysts with superior nanostructure, resulting in the best activity and CO2 selectivity.
Original languageEnglish
Article number119935
JournalApplied Catalysis B: Environmental
Early online date3 Feb 2021
Publication statusPublished - 5 Jun 2021


  • Palladium
  • Samarium-doped ceria
  • Methanol reforming
  • Hydrogen production
  • XPS


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