Journal
APPLIED CATALYSIS A-GENERAL
Volume 503, Issue -, Pages 94-102Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2015.07.012
Keywords
Hierarchical; Ni/SiO2; Cu-Ni/SiO2; Methane dry reforming; Catalysis
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Funding
- National Natural Science Foundation of China [51172142]
- Third Phase of 211 Project for Advanced Materials Science [WS3116205006, WS3116205007]
- Shanghai Municipal Natural Science Foundation [12ZR1414300]
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Well dispersed Ni and Cu-Ni alloy nanoparticles (similar to 7 nm) embedded in nanosheets of hierarchical SiO2 hollow spheres (surface area > 400 m(2)/g) have been synthesized through a hydrothermal process and have shown superior catalytic performance in methane dry reforming (DRM) reaction to the impregnated control sample based on SiO2 nanospheres. The catalytic activity and the sintering and coke resistant properties of the hierarchical composite catalysts in the high temperature DRM catalysis are ascribed to the strong metal-support interaction and the well dispersed small metal nanoparticles. (C) 2015 Published by Elsevier B.V.
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