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Transition metal nanoparticles supported La-promoted MgO as catalysts for hydrogen production via catalytic decomposition of ammonia
Hu, XC; Wang, WW; Jin, Z; Wang, X; Si, R; Jia, CJ
2019
Source PublicationJOURNAL OF ENERGY CHEMISTRY
ISSN2095-4956
Volume38Pages:41-49
Subtype期刊论文
AbstractThe uniformly dispersed transition metal (Co, Ni and Fe) nanoparticles supported on the surface of La-promoted MgO were prepared via a deposition-precipitation method for hydrogen production from catalytic decomposition of ammonia. X-ray diffraction, N-2 adsorption-desorption, transmission electron microscopy, temperature-programmed reduction and temperature-programmed desorption were used to investigate the structure-activity relation of catalysts in NH3 decomposition. The results show that the strong interaction between active species and support can effectively prevent the active species from agglomerating during ammonia decomposition reaction. In addition, the introduction of La species not only facilitates the adsorption and decomposition of NH3 and desorption of N-2, but also benefits the better dispersion of the active species. The prepared catalysts showed very high catalytic activity for ammonia decomposition compared with the same active composition samples that reported previously. Meanwhile, the catalysts showed excellent high-temperature stability and no any deactivation was observed, which are very promising candidates for the decomposition of ammonia to hydrogen. (C) 2019 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
KeywordCOX-FREE HYDROGEN NH3 DECOMPOSITION CARBON NANOTUBES H-2 PRODUCTION RARE-EARTH FE GENERATION NI/AL2O3 SIZE PERFORMANCE
DOI10.1016/j.jechem.2018.12.024
Indexed BySCI
Language英语
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Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32261
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Shandong Univ, Sch Chem & Chem Engn, Key Lab Colloid & Interface Chem, Key Lab Special Aggregated Mat, Jinan 250100, Shandong, Peoples R China;
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
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Hu, XC,Wang, WW,Jin, Z,et al. Transition metal nanoparticles supported La-promoted MgO as catalysts for hydrogen production via catalytic decomposition of ammonia[J]. JOURNAL OF ENERGY CHEMISTRY,2019,38:41-49.
APA Hu, XC,Wang, WW,Jin, Z,Wang, X,Si, R,&Jia, CJ.(2019).Transition metal nanoparticles supported La-promoted MgO as catalysts for hydrogen production via catalytic decomposition of ammonia.JOURNAL OF ENERGY CHEMISTRY,38,41-49.
MLA Hu, XC,et al."Transition metal nanoparticles supported La-promoted MgO as catalysts for hydrogen production via catalytic decomposition of ammonia".JOURNAL OF ENERGY CHEMISTRY 38(2019):41-49.
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