NIMTE OpenIR  > 2018专题
Electrochemical N-2 fixation to NH3 under ambient conditions: Mo2N nanorod as a highly efficient and selective catalyst
Ren, Xiang; Cui, Guanwei; Chen, Liang; Xie, Fengyu; Wei, Qin; Tian, Ziqi; Sun, Xuping
2018
Source PublicationCHEMICAL COMMUNICATIONS
Volume54Issue:61Pages:8474-8477
AbstractA highly attractive, but still a key challenge, is the development of earth-abundant electrocatalysts for efficient NH3 electrosynthesis via the N-2 reduction reaction (NRR). In this communication, we report the development of a Mo2N nanorod as a highly efficient and selective NRR electrocatalyst for artificial N-2 fixation in acidic electrolytes under ambient conditions. In 0.1 M HCl, this catalyst achieved a high Faradaic efficiency of 4.5% with a NH3 yield of 78.4 mu g h(-1) mg(cat.)(-1) at -0.3 V vs. a reversible hydrogen electrode, thus outperforming most reported NRR electrocatalysts under ambient conditions and some under harsh conditions. Density functional theory calculations revealed that the free energy barrier of the potential determining step of NRR on MoO2 decreases dramatically after nitrogenization.
KeywordAtmospheric-pressure Nitrogen Reduction Ammonia-synthesis Low-temperature Water Dinitrogen Molybdenum Carbon Electrocatalysts Dioxide
Subject AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17266
Collection2018专题
Recommended Citation
GB/T 7714
Ren, Xiang,Cui, Guanwei,Chen, Liang,et al. Electrochemical N-2 fixation to NH3 under ambient conditions: Mo2N nanorod as a highly efficient and selective catalyst[J]. CHEMICAL COMMUNICATIONS,2018,54(61):8474-8477.
APA Ren, Xiang.,Cui, Guanwei.,Chen, Liang.,Xie, Fengyu.,Wei, Qin.,...&Sun, Xuping.(2018).Electrochemical N-2 fixation to NH3 under ambient conditions: Mo2N nanorod as a highly efficient and selective catalyst.CHEMICAL COMMUNICATIONS,54(61),8474-8477.
MLA Ren, Xiang,et al."Electrochemical N-2 fixation to NH3 under ambient conditions: Mo2N nanorod as a highly efficient and selective catalyst".CHEMICAL COMMUNICATIONS 54.61(2018):8474-8477.
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