Transition metal nanoparticles supported La-promoted MgO as catalysts for hydrogen production via catalytic decomposition of ammonia

• 作者: Chun-Jiang Jia Rui Si Wei-Wei Wang Xiu-Cui Hu Xu Wang Zhao Jin
• 来源期刊: 能源化学
• 年，卷（期）: 2019,（11）
• 页码范围: 41-49
• 页数: 9页
• 语种: 英文

摘要

The 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,N2 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 N2,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.

作者信息

序号	姓名	单位	发文数	被引次数	H指数	G指数
1	Xu Wang	中国科学院上海应用物理研究所(上海原子核研究所)	2	0	0.0	0.0
2	Xiu-Cui Hu	中国科学院上海应用物理研究所(上海原子核研究所)	1	0	0.0	0.0
3	Wei-Wei Wang	中国科学院上海应用物理研究所(上海原子核研究所)	1	0	0.0	0.0
4	Zhao Jin	中国科学院上海应用物理研究所(上海原子核研究所)	1	0	0.0	0.0
5	Rui Si	中国科学院上海应用物理研究所(上海原子核研究所)	1	0	0.0	0.0
6	Chun-Jiang Jia	中国科学院上海应用物理研究所(上海原子核研究所)	1	0	0.0	0.0