中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Ambient Electrochemical Nitrogen Fixation over a Bifunctional Mo- (O-C-2)(4) Site Catalyst

文献类型:期刊论文

作者Zhang, Shengbo4,5; Shi, Tongfei5; Li, Ke5; Sun, Qiao1; Lin, Yue3; Zheng, Li Rong2; Wang, Guozhong5; Zhang, Yunxia5; Yin, Huajie5; Zhang, Haimin4,5
刊名JOURNAL OF PHYSICAL CHEMISTRY C
出版日期2022-01-10
ISSN号1932-7447
DOI10.1021/acs.jpcc.1c10039
通讯作者Li, Ke(kelee@mail.ustc.edu.cn) ; Sun, Qiao(sunqiao@suda.edu.cn) ; Zhang, Haimin(zhanghm@issp.ac.cn)
英文摘要The electrochemical synthesis of NH3 and NO3- by the N-2 reduction reaction (NRR) and the N-2 oxidation reaction (NOR) under ambient conditions utilizing H2O as the hydrogen and oxygen source has aroused great attention. Here, we report the fabrication of oxygen-coordinated molybdenum (Mo) single atoms anchored on carbon (Mo-O-C) using bacterial cellulose (BC) as the impregnation regulator and carbon source. As a result, the as-synthesized Mo-O-C as an electrocatalyst exhibits superior bifunctional NRR and NOR activities with high stability. A superb NH3 yield rate of 248.6 +/- 12.9 mu g h(-1) mg(cat)(-1) and a faradaic efficiency (FE) of 43.8 +/- 2.3% can be obtained at -0.20 V (vs RHE) by the Mo-O-C-catalyzed NRR, and Mo-O-C can also afford a NO3- yield rate of 217.1 +/- 13.5 mu g h(-4) mg(cat)(-1) with a FE of 7.8 +/- 0.5% at 2.35 V (vs ) for the NOR The synchrotron-based X-ray absorption spectra and theoretical calculation results unveil that the O-coordinated molybdenum configuration of Mo-(O-C-2)(4) anchored on carbon is the most stable single-atom structure as the catalytic active sites for N-2 adsorption, activation, and bifunctional hydrogenation/oxidation reactions.
WOS关键词SINGLE-ATOM CATALYSTS ; AMMONIA-SYNTHESIS ; CONVERSION ; EFFICIENT ; DIOXIDE
资助项目Natural Science Foundation of China[51872292] ; Natural Science Foundation of Anhui Province[2108085QB60] ; Natural Science Foundation of Anhui Province[2108085QB61] ; CASHIPS Director's Fund[YZJJ2021QN21] ; CAS/SAFEA International Partnership Program for Creative Research Teams of Chinese Academy of Sciences, China
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
语种英语
出版者AMER CHEMICAL SOC
WOS记录号WOS:000743225400001
资助机构Natural Science Foundation of China ; Natural Science Foundation of Anhui Province ; CASHIPS Director's Fund ; CAS/SAFEA International Partnership Program for Creative Research Teams of Chinese Academy of Sciences, China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/127103]  
专题中国科学院合肥物质科学研究院
通讯作者Li, Ke; Sun, Qiao; Zhang, Haimin
作者单位1.Soochow Univ, Collaborat Innovat Ctr Radiat Med, Sch Radiol & Interdisciplinary Sci, State Key Lab Radiat Med & Protect,Jiangsu Higher, Suzhou 215123, Peoples R China
2.Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China
4.Univ Sci & Technol China, Hefei 230026, Peoples R China
5.Chinese Acad Sci, Ctr Environm & Energy Nanomat, CAS Ctr Excellence Nanosci,Key Lab Mat Phys, Inst Solid State Phys,Anhui Key Lab Nanomat & Nan, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Shengbo,Shi, Tongfei,Li, Ke,et al. Ambient Electrochemical Nitrogen Fixation over a Bifunctional Mo- (O-C-2)(4) Site Catalyst[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2022.
APA Zhang, Shengbo.,Shi, Tongfei.,Li, Ke.,Sun, Qiao.,Lin, Yue.,...&Zhang, Haimin.(2022).Ambient Electrochemical Nitrogen Fixation over a Bifunctional Mo- (O-C-2)(4) Site Catalyst.JOURNAL OF PHYSICAL CHEMISTRY C.
MLA Zhang, Shengbo,et al."Ambient Electrochemical Nitrogen Fixation over a Bifunctional Mo- (O-C-2)(4) Site Catalyst".JOURNAL OF PHYSICAL CHEMISTRY C (2022).

入库方式: OAI收割

来源:合肥物质科学研究院

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。