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Ambient ammonia production via electrocatalytic nitrate reduction catalyzed by a flower-like CuCo2O4 electrocatalyst
Wang, Jinlu1,2; Zhang, Shengbo2; Wang, Chenchen3; Li, Ke2; Zha, Yuankang2; Liu, Min2; Zhang, Haimin2; Shi, Tongfei2
2022-04-02
发表期刊INORGANIC CHEMISTRY FRONTIERS
ISSN2052-1553
通讯作者Li, Ke() ; Shi, Tongfei(tfshi@issp.ac.cn)
摘要The electrochemical nitrate reduction reaction (NtRR) under ambient conditions is regarded as a potential approach to achieve NH3 production, which currently heavily relies on the Haber-Bosch process at the cost of a huge amount of energy and the massive production of CO2. Herein, a flower-like CuCo2O4 spinel was synthesized via a two-step urea-assisted hydrothermal treatment and calcination process. When used as the electrocatalyst for the NtRR, the as-synthesized CuCo2O4 spinel exhibits a high electrocatalytic activity, affording a high NH3 yield rate of 48.8 mu g h(-1) cm(-2) at -0.85 V (vs. RHE) and a high faradaic efficiency (FE) of 34.2% at -0.45 V (vs. RHE). The N-15 isotopic labelling experiments confirm that the yielded NH3 is, indeed, from the CuCo2O4 spinel catalyzed NtRR process. Our theoretical calculations results reveal that the NO3- can be adsorbed on the CuCo2O4 to form the *NOH intermediate, leading to a good selectivity and FE.
DOI10.1039/d1qi01656c
收录类别SCI
语种英语
资助项目Natural Science Foundation of Anhui Province[2108085QB60] ; Natural Science Foundation of Anhui Province[2108085QB61] ; CASHIPS Director's Fund[YZJJ2021QN18] ; CASHIPS Director's Fund[YZJJ2021QN21] ; China Postdoctoral Science Foundation[2020M682057] ; CAS/SAFEA International Partnership Program for Creative Research Teams of Chinese Academy of Sciences, China
项目资助者Natural Science Foundation of Anhui Province ; CASHIPS Director's Fund ; China Postdoctoral Science Foundation ; CAS/SAFEA International Partnership Program for Creative Research Teams of Chinese Academy of Sciences, China
WOS研究方向Chemistry
WOS类目Chemistry, Inorganic & Nuclear
WOS记录号WOS:000782243200001
出版者ROYAL SOC CHEMISTRY
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/128710
专题中国科学院合肥物质科学研究院
通讯作者Li, Ke; Shi, Tongfei
作者单位1.Anhui Univ, Inst Phys Sci, Hefei 230601, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, HFIPS, Hefei 230031, Peoples R China
3.Shanghai Nucl Engn Res & Design Inst Co Ltd, Shanghai 200233, Peoples R China
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GB/T 7714
Wang, Jinlu,Zhang, Shengbo,Wang, Chenchen,et al. Ambient ammonia production via electrocatalytic nitrate reduction catalyzed by a flower-like CuCo2O4 electrocatalyst[J]. INORGANIC CHEMISTRY FRONTIERS,2022.
APA Wang, Jinlu.,Zhang, Shengbo.,Wang, Chenchen.,Li, Ke.,Zha, Yuankang.,...&Shi, Tongfei.(2022).Ambient ammonia production via electrocatalytic nitrate reduction catalyzed by a flower-like CuCo2O4 electrocatalyst.INORGANIC CHEMISTRY FRONTIERS.
MLA Wang, Jinlu,et al."Ambient ammonia production via electrocatalytic nitrate reduction catalyzed by a flower-like CuCo2O4 electrocatalyst".INORGANIC CHEMISTRY FRONTIERS (2022).
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