Effects of Cu2O morphology on the performance of CO self-sustained catalytic combustion

doi:10.1016/j.apcata.2023.119034

CORC > 力学研究所 > 中国科学院力学研究所 > 高温气体动力学国家重点实验室

	Effects of Cu2O morphology on the performance of CO self-sustained catalytic combustion
	Wu, Liangkai ; Ma, Pandong ; Zhang, Chenhang ; Yi, Xiaokun ; Hao, Qinglan ; Dou, Baojuan ; Bin F(宾峰)
刊名	APPLIED CATALYSIS A-GENERAL
	2023-02-25
卷号	652 页码:119034
关键词	High-concentration carbon monoxide Mechanism Crystal plane CO oxidation
ISSN号	0926-860X
DOI	10.1016/j.apcata.2023.119034
英文摘要	Self-sustained catalytic combustion is a sustainable approach to deal with exhaust gas with high concentration CO, and revealing its reaction process is necessary and challenging. Herein, cube (Cu2O-C), octahedron (Cu2O-O) and dodecahedron (Cu2O-D) exposing different crystal planes were used to explore the catalytic combustion mechanism. The catalytic combustion can be self-sustained on the Cu2O surface and the activities decrease in the order of Cu2O-O > Cu2O-D > Cu2O-C, contributing to the different exposing planes with (1 1 1), (1 1 0) and (1 0 0), respectively. In-situ DRIFTS results prove that the catalytic combustion of CO to CO2 on Cu2O is prone to follow the MvK mechanism. Comparing with Cu2O-D and Cu2O-C, the relatively open surface of Cu2O-O plane composed of unsaturated copper and oxygen atoms facilitates the CO adsorption on Cu (I) and the mobility of lattice oxygen, leading to the highest low temperature reducibility and catalytic activity.
分类号	二类
WOS研究方向	WOS:000974536500001
语种	英语
资助机构	Novel Technology of High Efficient Clean Combustion and Energy Saving on Converter Gas [XDA21040500] ; National Natural Science Foundation of China [52176141]
其他责任者	Dou, BJ ; Bin, F
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/92246]
专题	力学研究所_高温气体动力学国家重点实验室
作者单位	1.(Wu Liangkai, Zhang Chenhang, Bin Feng) Chinese Acad Sci Inst Mech State Key Lab High Temp Gas Dynam Beijing 100190 Peoples R China 2.(Wu Liangkai, Ma Pandong, Zhang Chenhang, Yi Xiaokun, Hao Qinglan, Dou Baojuan) Tianjin Univ Sci & Technol Tianjin 300457 Peoples R China
推荐引用方式 GB/T 7714	Wu, Liangkai,Ma, Pandong,Zhang, Chenhang,et al. Effects of Cu2O morphology on the performance of CO self-sustained catalytic combustion[J]. APPLIED CATALYSIS A-GENERAL,2023,652:119034.
APA	Wu, Liangkai.,Ma, Pandong.,Zhang, Chenhang.,Yi, Xiaokun.,Hao, Qinglan.,...&宾峰.(2023).Effects of Cu2O morphology on the performance of CO self-sustained catalytic combustion.APPLIED CATALYSIS A-GENERAL,652,119034.
MLA	Wu, Liangkai,et al."Effects of Cu2O morphology on the performance of CO self-sustained catalytic combustion".APPLIED CATALYSIS A-GENERAL 652(2023):119034.