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author：

Li, J. (Li, J..) [1] | Xu, J. (Xu, J..) [2] | Zhao, J. (Zhao, J..) [3] | Fang, Y. (Fang, Y..) [4] | Du, C. (Du, C..) [5] | Ding, X. (Ding, X..) [6] | Ye, J. (Ye, J..) [7] | Sun, Y. (Sun, Y..) [8] | Zhang, K.H.L. (Zhang, K.H.L..) [9] | Xie, S. (Xie, S..) [10] | Huang, J. (Huang, J..) [11] | Salaev, M. (Salaev, M..) [12] | Mamontov, G. (Mamontov, G..) [13] | Fai, Ip, W. (Fai, Ip, W..) [14] | Pan, H. (Pan, H..) [15] | Lin, S. (Lin, S..) [16] | Xiong, H. (Xiong, H..) [17]

Indexed by：

Scopus

Abstract：

Metal　single-atom　catalysts　(SACs)　supported　on　carbon　mainly　produce　syngas　in　electrochemical　CO2　reduction　reaction　(CO2RR),　in　comparison　with　the　dominant　H2　production　on　nanoparticles.　However,　it　is　a　major　challenge　to　prepare　the　carbon-supported　SACs　without　the　presence　of　nanoparticles　using　conventional　pyrolysis.　Here,　we　report　the　approach　involving　oxygen　etching　at　250　°C　to　produce　MOF-derived　nickel/carbon　SAC　(Ni1@C-250A).　The　combination　of　oxygen　etching　with　acid　treatment　completely　removes　the　Ni　nanoparticles,　only　showing　the　existence　of　single-atom　Ni　species.　In　CO2RR,　the　Ni1@C-250A　exhibits　excellent　faradaic　efficiency　(FE)　of　∼　100%　for　syngas　production　with　the　excellent　stability　for　360　min　time-on-stream.　In　addition,　the　CO/H2　ratio　can　be　adjusted　in　a　wide　range　from　1.5:1　to　4.3:1.　This　approach　involving　oxygen　etching　offers　a　promising　strategy　to　dominantly　produce　SACs　used　for　CO2RR　to　generate　syngas,　which　is　an　important　platform　feedstock　for　the　utilization　of　carbon-based　energy.　©　2023　Elsevier　Inc.

Keyword：

Electrochemical reduction of CO2 Ni single-atom catalyst Oxygen etching Syngas (CO/H2)

Community：

  • [ 1 ] [Li, J.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 2 ] [Xu, J.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 3 ] [Zhao, J.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
  • [ 4 ] [Fang, Y.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 5 ] [Du, C.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 6 ] [Ding, X.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 7 ] [Ye, J.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 8 ] [Sun, Y.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 9 ] [Sun, Y.]College of Energy, Xiamen University, Xiamen, 361102, China
  • [ 10 ] [Zhang, K.H.L.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 11 ] [Xie, S.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China
  • [ 12 ] [Huang, J.]Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, China
  • [ 13 ] [Salaev, M.]Chemical Faculty, Tomsk State University, 36 Lenina ave., Tomsk, 634050, Russian Federation
  • [ 14 ] [Mamontov, G.]Chemical Faculty, Tomsk State University, 36 Lenina ave., Tomsk, 634050, Russian Federation
  • [ 15 ] [Fai Ip, W.]Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR, China
  • [ 16 ] [Pan, H.]Institute of Applied Physics and Materials Engineering, University of Macau, Macao SAR, China
  • [ 17 ] [Pan, H.]Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Macao SAR, China
  • [ 18 ] [Lin, S.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, China
  • [ 19 ] [Xiong, H.]State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361005, China

Reprint 's Address：

  • [Lin, S.]State Key Laboratory of Photocatalysis on Energy and Environment, China

Email：


slin@fzu.edu.cn
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Source ：

Journal of Catalysis

ISSN： 0021-9517

Year： 2023

Volume： 421

Page： 332-341

6 . 5

JCR@2023

6 . 5 0 0

JCR@2023

ESI HC Threshold：39

JCR Journal Grade：1

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 6

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 1

Affiliated Colleges：

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