Visualizing Structural and Chemical Transformations of an Industrial Cu/ZnO/Al2O3 Pre-catalyst during Activation and CO2 Reduction

doi:10.1002/cctc.202201280

IMR OpenIR

	Visualizing Structural and Chemical Transformations of an Industrial Cu/ZnO/Al2O3 Pre-catalyst during Activation and CO2 Reduction
	Huang, Xing 1,2; Beck, Arik 3,4; Fedorov, Alexey 5; Frey, Hannes 2,3; Zhang, Bingsen 6; Kloetzer, Bernhard 7; van Bokhoven, Jeroen A.3,4; Coperet, Christophe 8; Willinger, Marc-Georg 2
通讯作者	Huang, Xing(xinghuang@fzu.edu.cn) ; Willinger, Marc-Georg(marc.willinger@scopem.ethz.ch)
	2022-11-27
发表期刊	CHEMCATCHEM
ISSN	1867-3880
页码	8
摘要	The typical industrial catalyst used for methanol synthesis is a multi-component catalyst based on Cu/ZnO/Al2O3. The synergies between various phases of this catalyst play a vital role in defining the overall catalytic function and performance. To gain insights into the role and interaction between the relevant components and phases, ex situ and in situ transmission electron microscopy (TEM) was deployed to investigate the structures and phases of an industrial Cu/ZnO/Al2O3 in its precursor, activated and reaction states. High structural inhomogeneity in this material is revealed, i. e. the presence of various phases with different morphologies and compositions. It is shown how structural and compositional changes occur during hydrogen treatment and how compositional inhomogeneity in the starting material translates into differences in the local composition of the activated and working catalyst. The formation of defective metallic copper particles (stacking faults and twins) that are in an intimate contact with zinc oxide (poorly crystalline, partially reduced ZnOx and crystalline ZnO), alumina, Zn-Al oxide and carbon-zinc-oxygen containing phases (such as zinc formate) is observed. It is also uncovered that alumina plays a potentially important role in stabilizing cationic zinc species. This work provides atomic-level insight into the relevant state of an industrial methanol synthesis catalyst and the associated synergistic interplay between the involved phases in reactive atmosphere.
关键词	active state industrial Cu ZnO Al2O3 catalyst in situ TEM materials gap structural chemical transformations
资助者	ETH Career Seed grant ; Fuzhou University ; SNSF ; Eidgenossische Technische Hochschule Zurich
DOI	10.1002/cctc.202201280
收录类别	SCI
语种	英语
资助项目	ETH Career Seed grant[SEED-14 18-2] ; Fuzhou University[GXRC-21036] ; SNSF[200021_ 181053] ; Eidgenossische Technische Hochschule Zurich
WOS研究方向	Chemistry
WOS类目	Chemistry, Physical
WOS记录号	WOS:000890980800001
出版者	WILEY-V C H VERLAG GMBH
引用统计	被引频次：22[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/321006/176057
专题	中国科学院金属研究所
通讯作者	Huang, Xing; Willinger, Marc-Georg
作者单位	1.Fuzhou Univ, Coll Chem, Fuzhou 350108, Peoples R China 2.Swiss Fed Inst Technol, Sci Ctr Opt & Electron Microscopy, CH-8093 Zurich, Switzerland 3.Swiss Fed Inst Technol, Inst Chem & Bioengn, Dept Chem & Appl Biosci, CH-8093 Zurich, Switzerland 4.Paul Scherrer Inst, Lab Catalysis & Sustainable Chem, CH-5232 Villigen, Switzerland 5.Swiss Fed Inst Technol, Dept Mech & Proc Engn, CH-8092 Zurich, Switzerland 6.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 7.Univ Innsbruck, Dept Phys Chem, A-6020 Innsbruck, Austria 8.Swiss Fed Inst Technol, Lab Inorgan Chem, Dept Chem & Appl Biosci, CH-8093 Zurich, Switzerland
推荐引用方式 GB/T 7714	Huang, Xing,Beck, Arik,Fedorov, Alexey,et al. Visualizing Structural and Chemical Transformations of an Industrial Cu/ZnO/Al2O3 Pre-catalyst during Activation and CO2 Reduction[J]. CHEMCATCHEM,2022:8.
APA	Huang, Xing.,Beck, Arik.,Fedorov, Alexey.,Frey, Hannes.,Zhang, Bingsen.,...&Willinger, Marc-Georg.(2022).Visualizing Structural and Chemical Transformations of an Industrial Cu/ZnO/Al2O3 Pre-catalyst during Activation and CO2 Reduction.CHEMCATCHEM,8.
MLA	Huang, Xing,et al."Visualizing Structural and Chemical Transformations of an Industrial Cu/ZnO/Al2O3 Pre-catalyst during Activation and CO2 Reduction".CHEMCATCHEM (2022):8.