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Author：

Kang, X. (Kang, X..) | Zhang, D. (Zhang, D..) | An, L. (An, L..) | Wang, X. (Wang, X..) | Sun, Z. (Sun, Z..) | Guo, G. (Guo, G..)

Indexed by：

EI Scopus SCIE

Abstract：

The　rational　design　of　inexpensive　and　highly　efficient　electrocatalysts　for　ethanol　oxidation　reaction　(EOR)　is　crucial　for　direct　ethanol　fuel　cells.　In　this　study,　a　series　of　carbon-supported　PtCu　electrocatalysts　with　varying　Pt/Cu　ratios　were　synthesized　using　a　microfluidic　system.　This　system　enabled　the　separation　of　heterogeneous　nucleation　and　nanocrystal　growth　based　on　segmental　thermal　induction.　Heterogeneous　nucleation　occurred　at　the　low-temperature　zone,　which　resulted　in　uniform　loading,　while　the　enhancement　of　solvent　reducibility　in　the　high-temperature　region　enabled　the　control　of　the　PtCu　nanoparticle　composition.　The　synthesized　PtCu/C　electrocatalyst,　with　Cu　content　adjustable　from　17%　to　38%,　exhibited　high　crystallinity　and　homogeneous　dispersion,　with　an　average　particle　size　of　3.9　nm.　These　advantageous　physical　properties　endowed　the　PtCu/C　electrocatalysts　with　significantly　enhanced　electrocatalytic　performance　for　EOR　compared　with　commercial　Pt/C　catalysts.　The　development　of　this　method　presents　a　novel　approach　for　the　controlled　preparation　of　supported　catalysts.　©　2024　Elsevier　B.V.

Keyword：

Alloy Microfluidic synthesis Ethanol oxidation reaction Electrocatalysts

Author Community：

  • [ 1 ] [Kang X.]Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Zhang D.]Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [An L.]Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Wang X.]Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry, Beijing University of Technology, Beijing, 100124, China
  • [ 5 ] [Sun Z.]Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry, Beijing University of Technology, Beijing, 100124, China
  • [ 6 ] [Guo G.]Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry, Beijing University of Technology, Beijing, 100124, China
  • [ 7 ] [Guo G.]Minzu University of China, Beijing, 100081, China

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Source ：

Journal of Alloys and Compounds

ISSN： 0925-8388

Year： 2024

Volume： 982

6 . 2 0 0

JCR@2022

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

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