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Lithium Imide Synergy with 3d Transition-Metal Nitrides Leading to Unprecedented Catalytic Activities for Ammonia Decomposition
Guo, Jianping1; Wang, Peikun1; Wu, Guotao1; Wu, Anan2,3; Hu, Daqiang1; Xiong, Zhitao1; Wang, Junhu1; Yu, Pei1; Chang, Fei1; Chen, Zheng2,3; Chen, Ping1
关键词Ammonia Decomposition Electronic Promoter Heterogeneous Catalysis Lithium Imide Nitrides
刊名ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
2015-03-02
DOI10.1002/anie.201410773
54期:10页:2950-2954
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]COX-FREE HYDROGEN ; LOW-TEMPERATURE ; POTASSIUM ; SURFACES ; PROMOTER ; IRON ; NANOPARTICLES ; GENERATION ; CHEMISTRY ; ALKALI
英文摘要Alkali metals have been widely employed as catalyst promoters; however, the promoting mechanism remains essentially unclear. Li, when in the imide form, is shown to synergize with 3d transition metals or their nitrides TM(N) spreading from Ti to Cu, leading to universal and unprecedentedly high catalytic activities in NH3 decomposition, among which Li2NHMnN has an activity superior to that of the highly active Ru/carbon nanotube catalyst. The catalysis is fulfilled via the two-step cycle comprising: 1)the reaction of Li2NH and 3d TM(N) to form ternary nitride of LiTMN and H-2, and 2)the ammoniation of LiTMN to Li2NH, TM(N) and N-2 resulting in the neat reaction of 2NH(3)N(2)+3H(2). Li2NH, as an NH3 transmitting agent, favors the formation of higher N-content intermediate (LiTMN), where Li executes inductive effect to stabilize the TMN bonding and thus alters the reaction energetics.
语种英语
WOS记录号WOS:000350302300010
引用统计
被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146051
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Collaborat Innovat Ctr Chem Energy Mat, Dalian 116023, Peoples R China
2.Xiamen Univ, State Key Lab Phys Chem Solid Surfaces, Xiamen 361005, Peoples R China
3.Xiamen Univ, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China
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Guo, Jianping,Wang, Peikun,Wu, Guotao,et al. Lithium Imide Synergy with 3d Transition-Metal Nitrides Leading to Unprecedented Catalytic Activities for Ammonia Decomposition[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2015,54(10):2950-2954.
APA Guo, Jianping.,Wang, Peikun.,Wu, Guotao.,Wu, Anan.,Hu, Daqiang.,...&Chen, Ping.(2015).Lithium Imide Synergy with 3d Transition-Metal Nitrides Leading to Unprecedented Catalytic Activities for Ammonia Decomposition.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,54(10),2950-2954.
MLA Guo, Jianping,et al."Lithium Imide Synergy with 3d Transition-Metal Nitrides Leading to Unprecedented Catalytic Activities for Ammonia Decomposition".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 54.10(2015):2950-2954.
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