期刊
FUEL
卷 241, 期 -, 页码 607-615出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2018.12.067
关键词
Methanol reforming; Cu/Sc2O3-ZnO catalyst; Doping; Hydrogen production; Autothermal
资金
- Fujian Department of Science and Technology [2016H6024]
- Natural Science Foundation of China [NSFC-21276214]
- Natural Science Foundation of Fujian Province of China [2015J05033]
- Fundamental Research Funds for the Central Universities [20720170043]
Copper sintering at temperatures above 200 degrees C has been a big challenge for the application of copper-based catalysts in methanol reforming for hydrogen production. In the present work, a Cu/ZnO catalyst promoted by Sc2O3 was developed, which is capable of converting methanol into hydrogen-rich gas with good activity and decent stability in the temperature range of 220-600 degrees C. The role of Sc in Cu/Sc2O3-ZnO catalysts was explored through the XRD, H-2-TPR, N2O chemisorption, TEM, Raman, and XPS analyses. The results indicated that ZnO lattice was doped with the Sc3+ ion, which led to increased metal dispersion, strengthened interaction between Cu metal and support oxide, and subsequently enhanced catalytic activity and stability of the Cu/Sc2O3-ZnO catalyst in methanol reforming for hydrogen production.
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