Two types of catalytic sites of In2O3-Co3O4/CeO2 and their synergy for highly selective CO2 hydrogenation to methanol

doi:10.1016/j.cej.2024.158236

	Two types of catalytic sites of In2O3-Co3O4/CeO2 and their synergy for highly selective CO2 hydrogenation to methanol
	Ke, Tianjue 1; Wang, Lei 1; Guo, Xiaoming 1; Yu, Jun 1; Lang, Junyu2 ; Hu, Yun Hang 3; Fan, Maohong 4,5; Mao, Dongsen 1
	2025
发表期刊	CHEMICAL ENGINEERING JOURNAL (IF:13.3[JCR-2023],13.2[5-Year])
ISSN	1385-8947
EISSN	1873-3212
卷号	503
DOI	10.1016/j.cej.2024.158236
摘要	The increasing concentration of greenhouse gases, specifically CO2, requires innovative mitigation approaches. Catalytic CO2 reduction shows potential for producing high-value-added products from CO2, but the poor catalyst activity and product selectivity remain significant challenges. Oxygen vacancies and the interaction between the support and active components significantly influence the catalytic reactivity of a catalyst. Herein, we demonstrated a novel strategy to design highly efficient catalysts; namely, the reducibility of CeO2 was exploited to tune the In2O3-Co3O4 catalyst for CO2 hydrogenation, creating synergetic double-type active sites that the OV1 oxygen defects (generated by hydrogen reduction) on CeO2 surface as active sites for CO2 adsorption and the In-Co-Ce interfaces as active sites for hydrogenation of the adsorbed CO2 to methanol via formate intermediates. Consequently, an excellent methanol selectivity of 74 % was achieved for CO2 hydrogenation, leading to a very high methanol space-time yield of 276.8 mg center dot h-1 center dot gIn-Co-1 under mild reaction conditions (3 MPa, 280 degrees C, 2400 mL center dot gcat-1 center dot h-1), which is 4.8-fold higher than that without CeO2. This study highlights the highly synergistic effects of two types of catalytic sites of the CeO2 supported In2O3-Co3O4 catalyst and reveals a new pathway for designing new catalysts for more efficient CO2 hydrogenation to methanol (CHTM).
关键词	Carbon dioxide Hydrogenation Supported catalysts Methanol synthesis Oxygen vacancies
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收录类别	SCI ; EI
语种	英语
资助项目	Shanghai Municipal Science and Technology Commission of China["23010504600","20ZR1455500"]
WOS研究方向	Engineering
WOS类目	Engineering, Environmental ; Engineering, Chemical
WOS记录号	WOS:001376066300001
出版者	ELSEVIER SCIENCE SA
EI入藏号	20245017497791
EI主题词	Kyoto Protocol
EI分类号	1501 Sustainability ; 1502.1.1.1 Air Pollution ; 802.2 Chemical Reactions
原始文献类型	Journal article (JA)
引用统计	正在获取...
文献类型	期刊论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/461483
专题	物质科学与技术学院物质科学与技术学院_PI研究组_杨永组
通讯作者	Wang, Lei; Hu, Yun Hang; Fan, Maohong; Mao, Dongsen
作者单位	1.Shanghai Inst Technol, Sch Chem & Environm Engn, Shanghai 201418, Peoples R China 2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China 3.Michigan Technol Univ, Dept Mat Sci & Engn, Houghton, MI 49931 USA 4.Univ Wyoming, Coll Engn & Phys Sci, Sch Energy Resources, Laramie, WY 82071 USA 5.Georgia Inst Technol, Coll Engn, Atlanta, GA 30332 USA
推荐引用方式 GB/T 7714	Ke, Tianjue,Wang, Lei,Guo, Xiaoming,et al. Two types of catalytic sites of In2O3-Co3O4/CeO2 and their synergy for highly selective CO2 hydrogenation to methanol[J]. CHEMICAL ENGINEERING JOURNAL,2025,503.
APA	Ke, Tianjue.,Wang, Lei.,Guo, Xiaoming.,Yu, Jun.,Lang, Junyu.,...&Mao, Dongsen.(2025).Two types of catalytic sites of In2O3-Co3O4/CeO2 and their synergy for highly selective CO2 hydrogenation to methanol.CHEMICAL ENGINEERING JOURNAL,503.
MLA	Ke, Tianjue,et al."Two types of catalytic sites of In2O3-Co3O4/CeO2 and their synergy for highly selective CO2 hydrogenation to methanol".CHEMICAL ENGINEERING JOURNAL 503(2025).