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In situ anchored NiCo2O4 on a nickel foam as a monolithic catalyst by electro-deposition for improved benzene combustion performance
Wang, Dongdong1,2; Cuo, Zhaxi1,2; Li, Shuangde1; Zhang, Min1,2; Chen, Yunfa1,2,3
2020-04-07
Source PublicationCRYSTENGCOMM
ISSN1466-8033
Volume22Issue:13Pages:2371-2379
AbstractIn situ designed monolithic catalysts possess a bright prospect in practical industrial catalytic applications owing to their strong anchoring force and lower pressure drop. In this study, a series of NiCo2O4 nickel foam-based monolithic catalysts were successfully prepared via an in situ electro-deposition strategy. The active phase was strongly and vertically anchored on a nickel foam, leading to a catalyst with a stable structure, abundant surface areas and an excellent electronic transmission capacity. Moreover, the as-prepared catalysts exhibited abundant structural defects, which can be attributed to the violent reaction rate. All the samples assuredly possessed excellent benzene oxidation performance, and the CoNi-NF-2:1 sample exhibited a superior activity, oxidizing about 90% of benzene (T-90) at 198 degrees C under a gaseous hourly space velocity (GHSV) of 6000 h(-1). A conclusion can be rationally drawn that the superior catalytic performance and the stability of the catalysts are primarily attributable to the strong anchoring force, rich oxygen vacancies, and the higher Co3+/Co2+ ratio according to the relevant characterizations. Furthermore, the benzene combustion mechanism was summarized by adequately studying the above conclusions and previous studies. This work indicates a promising strategy to design highly active monolithic catalysts with abundant defects, which potentially pave the way for the thorough removal of industrial benzene.
DOI10.1039/d0ce00095g
Language英语
WOS KeywordSPINEL CATALYSTS ; CO OXIDATION ; METHANE ; COBALT ; OXIDES ; CO3O4 ; NI ; NANOPARTICLES ; REDUCTION ; MECHANISM
Funding ProjectNational Key R&D Program of China[2017YFC0211503] ; National Key R&D Program of China[2016YFC0207100] ; National Natural Science Foundation of China[21401200] ; National Natural Science Foundation of China[51672273] ; Open Research Fund of State Key Laboratory of Multi-phase Complex Systems[MPCS-2017-D-06]
WOS Research AreaChemistry ; Crystallography
WOS SubjectChemistry, Multidisciplinary ; Crystallography
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Open Research Fund of State Key Laboratory of Multi-phase Complex Systems
WOS IDWOS:000527016500010
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/40071
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Shuangde; Chen, Yunfa
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Belling 100049, Peoples R China
3.CAS Ctr Excellence Urban Atmospher Environm, Xiamen 361021, Peoples R China
Recommended Citation
GB/T 7714
Wang, Dongdong,Cuo, Zhaxi,Li, Shuangde,et al. In situ anchored NiCo2O4 on a nickel foam as a monolithic catalyst by electro-deposition for improved benzene combustion performance[J]. CRYSTENGCOMM,2020,22(13):2371-2379.
APA Wang, Dongdong,Cuo, Zhaxi,Li, Shuangde,Zhang, Min,&Chen, Yunfa.(2020).In situ anchored NiCo2O4 on a nickel foam as a monolithic catalyst by electro-deposition for improved benzene combustion performance.CRYSTENGCOMM,22(13),2371-2379.
MLA Wang, Dongdong,et al."In situ anchored NiCo2O4 on a nickel foam as a monolithic catalyst by electro-deposition for improved benzene combustion performance".CRYSTENGCOMM 22.13(2020):2371-2379.
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