A high performance Ru-ZrO2/carbon nanotubes-Ni foam composite catalyst for selective CO methanation

被引：30
|
作者：
Xiong, Jun [1 ,4 ]
Dong, Xinfa [1 ]
Song, Yibing [2 ]
Dong, Yingchao [3 ]
机构：
[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
[2] Shantou Univ, Dept Chem, Shantou 515063, Peoples R China
[3] Chinese Acad Sci, Inst Urban Environm, Environm Ceram Grp, Beijing 100864, Peoples R China
[4] Zunyi Med Coll, Sch Pharmaceut Sci, Zunyi 563003, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2013年 / 242卷
基金：
中国国家自然科学基金;
关键词：
Ruthenium; Zirconium dioxide; Carbon nanotubes; Nickel foam; Composite catalyst; Selective carbon monoxide methanation; FUEL-CELL APPLICATION; RICH GAS-MIXTURES; CARBON-MONOXIDE; METAL-CATALYSTS; HYDROGEN; DECOMPOSITION; REMOVAL; STREAM; NANOPARTICLES; TEMPERATURE;
D O I：
10.1016/j.jpowsour.2013.05.084
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel Ru-ZrO2/carbon nanotubes (CNTs)-Ni foam composite catalyst for selective CO methanation is prepared by using CNTs-Ni foam as support. This catalyst exhibits an improved performance of CO selectivity and excellent catalytic stability, which may be attributed to the high thermal conductivity and unique microstructure of the Ru-based CNTs-Ni foam composite. The SEM and XRD measurements reveal that amorphous Ru-ZrO2 particles with fine size (<20 nm) are well dispersed on the CNTs surface of the composite catalyst reduced at 350 degrees C, possibly leading to its high catalytic activity. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：132 / 136
页数：5
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