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Engineering oxygen vacancies on Tb-doped ceria supported Pt catalyst for hydrogen production through steam reforming of long-chain hydrocarbon fuels by Zhourong Xiao; Changxuan Zhang; Peng Li; Desong Wang; Xiangwen Zhang; Li Wang; Ji-jun Zou; Guozhu Li is a Engineering article available to read on EtoBox.
What is Engineering oxygen vacancies on Tb-doped ceria supported Pt catalyst for hydrogen production through steam reforming of long-chain hydrocarbon fuels about?
Steam reforming of long-chain hydrocarbon fuels for hydrogen production has received great attention for thermal management of the hypersonic vehicle and fuel-cell application. In this work, Pt catalysts supported on CeO2 and Tb-doped CeO2 were prepared by a precipitation method. The physical structure and chemical properties of the as-prepared catalysts were characterized by powder X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, H2 temperature programmed reduction, and X-ray photoelectron spectroscopy. The results show that Tb-doped CeO2 supported Pt possesses abundant surface oxygen vacancies, good inhibition of ceria sintering, and strong metal-support interaction compared with CeO2 supported Pt. The catalytic performance of hydrogen production via steam reforming of long-chain hydrocarbon fuels (n-dodecane) was tested. Compared with 2Pt/CeO2, 2Pt/Ce0.9Tb0.1O2 and 2Pt/Ce0.5Tb0.5O2, the J o u r n a l P r e -p r o o f 2Pt/Ce0.7Tb0.3O2 has higher activity and stability for hydrogen production, on which the conversion of n-dodecane was maintained at about 53.2% after 600 min reaction under 700 o C at liquid space velocity of 9 m
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- Author
- Zhourong Xiao; Changxuan Zhang; Peng Li; Desong Wang; Xiangwen Zhang; Li Wang; Ji-jun Zou; Guozhu Li
- Publisher
- Elsevier BV
- Published
- 2024
- Language
- EN
- Field
- Engineering (Physical Sciences)