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Nitrogen-Doped Graphene Monolith Catalysts for Oxidative Dehydrogenation of Propane
Liu, Weijie1,2; Cao, Tianlong1; Dai, Xueya1,2; Bai, Yunli1,2; Lu, Xingyu1,2; Li, Fan1,2; Qi, Wei1,2
Corresponding AuthorQi, Wei(wqi@imr.ac.cn)
2021-10-15
Source PublicationFRONTIERS IN CHEMISTRY
ISSN2296-2646
Volume9Pages:9
AbstractIt's of paramount importance to develop renewable nanocarbon materials to replace conventional precious metal catalysts in alkane dehydrogenation reactions. Graphene-based materials with high surface area have great potential for light alkane dehydrogenation. However, the powder-like state of the graphene-based materials seriously limits their potential industrial applications. In the present work, a new synthetic route is designed to fabricate nitrogen-doped graphene-based monolith catalysts for oxidative dehydrogenation of propane. The synthetic strategy combines the hydrothermal-aerogel and the post thermo-treatment procedures with urea and graphene as precursors. The structural characterization and kinetic analysis show that the monolithic catalyst well maintains the structural advantages of graphene with relatively high surface area and excellent thermal stability. The homogeneous distributed nitrogen species can effectively improve the yield of propylene (5.3% vs. 1.9%) and lower the activation energy (62.6 kJ mol(-1) vs. 80.1 kJ mol(-1)) in oxidative dehydrogenation of propane reaction comparing with un-doped graphene monolith. An optimized doping amount at 1:1 weight content of the graphene to urea precursors could exhibit the best catalytic performance. The present work paves the way for developing novel and efficient nitrogen-doped graphene monolithic catalysts for oxidative dehydrogenation reactions of propane.
Keywordnitrogen doping graphene monolith oxidative dehydrogenation of propane nanocarbon materials kinetic analysis
Funding OrganizationNSFC of China ; Natural Science Foundation of Liaoning Province of China
DOI10.3389/fchem.2021.759936
Indexed BySCI
Language英语
Funding ProjectNSFC of China[22072163] ; NSFC of China[21761132010] ; NSFC of China[91645114] ; Natural Science Foundation of Liaoning Province of China[2020-YQ-02] ; Natural Science Foundation of Liaoning Province of China[2019-MS-296]
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000726372500001
PublisherFRONTIERS MEDIA SA
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/167587
Collection中国科学院金属研究所
Corresponding AuthorQi, Wei
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang, Peoples R China
Recommended Citation
GB/T 7714
Liu, Weijie,Cao, Tianlong,Dai, Xueya,et al. Nitrogen-Doped Graphene Monolith Catalysts for Oxidative Dehydrogenation of Propane[J]. FRONTIERS IN CHEMISTRY,2021,9:9.
APA Liu, Weijie.,Cao, Tianlong.,Dai, Xueya.,Bai, Yunli.,Lu, Xingyu.,...&Qi, Wei.(2021).Nitrogen-Doped Graphene Monolith Catalysts for Oxidative Dehydrogenation of Propane.FRONTIERS IN CHEMISTRY,9,9.
MLA Liu, Weijie,et al."Nitrogen-Doped Graphene Monolith Catalysts for Oxidative Dehydrogenation of Propane".FRONTIERS IN CHEMISTRY 9(2021):9.
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