中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Lithium Imide Synergy with 3d Transition-Metal Nitrides Leading to Unprecedented Catalytic Activities for Ammonia Decomposition

文献类型:期刊论文

作者Guo, Jianping1; Wang, Peikun1; Wu, Guotao1; Wu, Anan2,3; Hu, Daqiang1; Xiong, Zhitao1; Wang, Junhu1; Yu, Pei1; Chang, Fei1; Chen, Zheng2,3
刊名angewandte chemie-international edition
出版日期2015-03-02
卷号54期号:10页码:2950-2954
关键词ammonia decomposition electronic promoter heterogeneous catalysis lithium imide nitrides
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.
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
收录类别SCI
语种英语
WOS记录号WOS:000350302300010
公开日期2016-05-09
源URL[http://cas-ir.dicp.ac.cn/handle/321008/146051]  
专题大连化学物理研究所_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
推荐引用方式
GB/T 7714
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.

入库方式: OAI收割

来源:大连化学物理研究所

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。