Preparation of the BaTiO3–SiO2 hybrid particles for the catalyst of methane steam reforming process

Autor: Kazunori Numakura, Hisao Suzuki, Tomoya Ohno, Takeshi Matsuda
Rok vydání: 2012
Předmět:
Zdroj: Materials Chemistry and Physics. 134:514-517
ISSN: 0254-0584
DOI: 10.1016/j.matchemphys.2012.03.025
Popis: BaTiO 3 nano-coated SiO 2 (BaTiO 3 –SiO 2 ) hybrid particles were prepared by liquid phase deposition and sol–gel process. The obtained BaTiO 3 –SiO 2 hybrid particles have relatively high surface area (20 m 2 g −1 ) at 600 °C annealing temperature. Ni component was impregnated to the obtained BaTiO 3 –SiO 2 hybrid particles, and the obtained catalyst was used for the methane steam reforming process to consider the effect of the surface area on the catalytic activity. The catalytic activity of the Ni/BaTiO 3 –SiO 2 catalyst was approximately three times as large as that of the reported Ni/BaTiO 3 catalyst, even in the lower process temperature. However, the limitation temperature for methane steam reforming process of this hybrid material was 600 °C, because of the diffusion of the Ba component.
Databáze: OpenAIRE