Mesoporous Co-Al oxide nanosheets as highly efficient catalysts for CO oxidation

doi:10.1002/aic.16929

IMR OpenIR

	Mesoporous Co-Al oxide nanosheets as highly efficient catalysts for CO oxidation
	Zhang, Jian 1,2; Wang, Liang 3; Wu, Zhiyi 1; Wang, Hai 3; Zhang, Bingsen 4; Xiao, Feng-Shou 1,2,3
通讯作者	Zhang, Bingsen(bszhang@imr.ac.cn) ; Xiao, Feng-Shou(fsxiao@zju.edu.cn)
	2020-02-05
发表期刊	AICHE JOURNAL
ISSN	0001-1541
页码	10
摘要	We report mesoporous Co-Al oxide nanosheets (CoxAl-Ns, where x denotes the Co/Al ratio in the samples) prepared by calcination of CoAl-hydrotalcite and subsequent alkaline treatment. X-ray diffraction, scanning electron microscopy, transmission electron microscopy, and X-ray photoelectron spectroscopy measurements show that the prepared Co-Al oxide nanosheets (CoxAl-Ns) are very thin (10-15 nm) and exhibit high mesoporosity (3-5 nm). Catalytic CO oxidation tests reveal that the CoxAl-Ns exhibit excellent catalytic performances at relatively low temperatures: for example, the Co2.5Al-Ns catalyst could achieve 99% CO conversion at -98 degrees C. Kinetic studies and experimental investigations indicate that the high activity of the Co2.5Al-Ns sample is strongly related to the abundance of active sites associated with the large Brunauer-Emmett-Teller surface area. The Co2.5Al-Ns catalyst also achieves full conversion of CO in tests performed with a gas mixture simulating automobile exhaust gas at 200 degrees C. After loading the Co2.5Al-Ns on a porous ceramic substrate, the obtained Co2.5Al-Ns/PC shows high activity and stability in CO oxidation process. These features are potentially important for future industrial applications of these catalysts.
关键词	CO oxidation Co-Al oxide mesoporous nanosheet stable catalyst
资助者	Beijing Advanced Innovation Center for Soft Matter Science and Engineering of the Beijing University of Chemical Technology ; China Postdoctoral Science Foundation ; Foundation of Central University ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; Natural Science Foundation of Zhejiang Province ; Youth Foundation
DOI	10.1002/aic.16929
收录类别	SCI
语种	英语
资助项目	Beijing Advanced Innovation Center for Soft Matter Science and Engineering of the Beijing University of Chemical Technology[21530009067] ; China Postdoctoral Science Foundation[2018M630662] ; Foundation of Central University[Zhejiang Univ. 2019XZZX004-02] ; National Key Research and Development Program of China[2018YFB0604801] ; National Natural Science Foundation of China[21822203] ; National Natural Science Foundation of China[91645105] ; National Natural Science Foundation of China[91634201] ; Natural Science Foundation of Zhejiang Province[LR18B030002] ; Youth Foundation[20160520126JH]
WOS研究方向	Engineering
WOS类目	Engineering, Chemical
WOS记录号	WOS:000510969300001
出版者	WILEY
引用统计	被引频次：9[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/137105
专题	中国科学院金属研究所
通讯作者	Zhang, Bingsen; Xiao, Feng-Shou
作者单位	1.Beijing Univ Chem Technol, Beijing Adv Innovat Ctr Soft Matter Sci & Engn, Beijing, Peoples R China 2.Zhejiang Univ, Dept Chem, Key Lab Appl Chem Zhejiang Prov, Hangzhou, Peoples R China 3.Zhejiang Univ, Coll Chem & Biol Engn, Minist Educ, Key Lab Biomass Chem Engn, Hangzhou, Peoples R China 4.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Jian,Wang, Liang,Wu, Zhiyi,et al. Mesoporous Co-Al oxide nanosheets as highly efficient catalysts for CO oxidation[J]. AICHE JOURNAL,2020:10.
APA	Zhang, Jian,Wang, Liang,Wu, Zhiyi,Wang, Hai,Zhang, Bingsen,&Xiao, Feng-Shou.(2020).Mesoporous Co-Al oxide nanosheets as highly efficient catalysts for CO oxidation.AICHE JOURNAL,10.
MLA	Zhang, Jian,et al."Mesoporous Co-Al oxide nanosheets as highly efficient catalysts for CO oxidation".AICHE JOURNAL (2020):10.