Robust Ruthenium-Saving Catalyst for High-Temperature Carbon Dioxide Reforming of Methane

doi:10.1021/acscatal.9b03709

CORC > 金属研究所 > 中国科学院金属研究所

	Robust Ruthenium-Saving Catalyst for High-Temperature Carbon Dioxide Reforming of Methane
	Zhang, Jing-Cai 1,4; Ge, Bing-Hui 2,3; Liu, Tian-Fu 5; Yang, Yan-Zhao 1; Li, Bo 5; Li, Wei-Zhen 4
刊名	ACS CATALYSIS
	2020-01-03
卷号	10 期号:1 页码:783-791
关键词	carbon dioxide dry reforming methane ruthenium catalyst magnesium aluminate spinel physical vapor deposition
ISSN号	2155-5435
DOI	10.1021/acscatal.9b03709
通讯作者	Yang, Yan-Zhao(yzhyang@sdu.edu.cn) ; Li, Bo(boli@imr.ac.cn) ; Li, Wei-Zhen(weizhenli@dicp.ac.cn)
英文摘要	Dry reforming of methane (DRM) integrates resourceful utilization of unwanted CO2 using cheap methane and storage of renewable energy. High temperature favors the highly endothermic process, while catalyst thermal deterioration is a major obstacle. Here we report a robust Ru/MgAl2O4 catalyst prepared via physical vapor deposition method that exhibits 1 or 2 orders of magnitude higher activity than conventional ruthenium or nickel catalysts. Importantly, instead of deactivation or coke deposition, the catalyst demonstrates a surprising activity increase by 1.5 times after reaction at 850 degrees C for 600 h. Ru initially was dispersed as isolated atoms on MgAl2O4, then condensed into unfaceted clusters (1.1 nm), and finally retained as faceted nanoparticles (NPs, 2.7 nm) upon testing, becoming more and more active by decreasing the barrier of breaking the C-H bond of methane. The low Ru content (0.15 wt %) and high space-time yield make it cost-competitive to regeneration-required nickel catalysts, paving a way to develop affordable commercial precious metal catalyst.
资助项目	National Natural Science Foundation of China[21403213] ; National Natural Science Foundation of China[21476129] ; National Natural Science Foundation of China[21673226] ; Transformational Technologies for Clean Energy and Demonstration, Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21040200]
WOS研究方向	Chemistry
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000506725100085
资助机构	National Natural Science Foundation of China ; Transformational Technologies for Clean Energy and Demonstration, Strategic Priority Research Program of the Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/136713]
专题	金属研究所_中国科学院金属研究所
通讯作者	Yang, Yan-Zhao; Li, Bo; Li, Wei-Zhen
作者单位	1.Shandong Univ, Sch Chem & Chem Engn, Key Lab Special Funct Aggregated Mat, Educ Minist, Jinan 250100, Peoples R China 2.Anhui Univ, Inst Phys Sci, Hefei 230601, Peoples R China 3.Anhui Univ, Inst Informat Technol, Hefei 230601, Peoples R China 4.Chinese Acad Sci, Dalian Inst Chem Phys, CAS Key Lab Sci & Technol Appl Catalysis, Dalian 116023, Peoples R China 5.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Jing-Cai,Ge, Bing-Hui,Liu, Tian-Fu,et al. Robust Ruthenium-Saving Catalyst for High-Temperature Carbon Dioxide Reforming of Methane[J]. ACS CATALYSIS,2020,10(1):783-791.
APA	Zhang, Jing-Cai,Ge, Bing-Hui,Liu, Tian-Fu,Yang, Yan-Zhao,Li, Bo,&Li, Wei-Zhen.(2020).Robust Ruthenium-Saving Catalyst for High-Temperature Carbon Dioxide Reforming of Methane.ACS CATALYSIS,10(1),783-791.
MLA	Zhang, Jing-Cai,et al."Robust Ruthenium-Saving Catalyst for High-Temperature Carbon Dioxide Reforming of Methane".ACS CATALYSIS 10.1(2020):783-791.