Engineering Metal-Support Interaction for Manipulate Microenvironment: Single-Atom Platinum Decorated on Nickel-Chromium Oxides Toward High-Performance Alkaline Hydrogen Evolution - Details

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Abstract：

Rational　construction　of　platinum　(Pt)-based　single-atom　catalysts　(SACs)　with　high　utilization　of　active　sites　holds　promise　to　achieve　superior　electrocatalytic　alkaline　HER　performance,　which　requires　the　assistance　of　functional　supports.　In　this　work,　a　novel　catalytic　configuration　is　reported,　namely,　Pt　SACs　anchored　on　the　nickel-chromium　oxides　labeled　as　Pt　SACs-NiCrO3/NF.　The　mechanism　associated　with　the　metal-support　interaction　(MSI)　for　synergy　co-catalysis　that　empowers　efficient　HER　on　Pt　SACs-NiCrO3/NF　is　clarified.　Specifically,　the　modulated　electron　structure　in　Pt　SACs-NiCrO3　manipulates　the　interface　microenvironment,　mediating　a　more　free　water　state,　which　is　beneficial　to　accelerate　front　water　dissociation　behavior　on　the　oxide　support.　Besides,　the　homogeneously　distributed　Pt　sites　with　the　created　near-acidic　state　ensure　the　subsequent　fast　proton-involved　reaction.　All　these　determine　the　comprehensively　accelerating　HER　kinetics.　Consequently,　Pt　SACs-NiCrO3/NF　deliverers　considerable　HER　performance,　with　overpotentials　(η10/η100)　of　23/122 mV,　high　mass　activity　of　382.77 mA　mg−1Pt.　When　serving　in　an　alkaline　water-based　anion　exchange　membrane　electrolytic　cell　(AEMWE),　Pt　SACs-NiCrO3/NF　also　presents　excellent　performance　(100 mA　cm−2　at　the　cell　voltage　of　1.51 V　and　stable　up　to　100　h),　confirming　its　good　prospect.　©　2024　Wiley-VCH　GmbH.

Keyword：

hydrogen evolution reaction interfacial microenvironment metal-support interaction platinum single atom catalysts

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[ 1 ] [Meng F.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
[ 2 ] [Zhu L.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
[ 3 ] [Li R.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
[ 4 ] [Jiang J.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
[ 5 ] [Li Y.]College of Chemistry, Institute of Molecular Engineering Plus, Fuzhou University, Fujian, Fuzhou, 350116, China
[ 6 ] [Wu Y.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
[ 7 ] [Fan Y.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
[ 8 ] [Ren P.]Shandong Laboratory of Advanced Materials and Green Manufacturing at Yantai, Changjiang Road 300, Yantai, 264000, China
[ 9 ] [Xu H.]Inner Mongolia University of Technology, Hohhot, 010051, China
[ 10 ] [Wang D.]Changzhou University, Wujin District, Changzhou, 213164, China
[ 11 ] [Zhang J.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
[ 12 ] [An M.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China
[ 13 ] [Yang P.]MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China

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Engineering Metal-Support Interaction for Manipulate Microenvironment: Single-Atom Platinum Decorated on Nickel-Chromium Oxides Toward High-Performance Alkaline Hydrogen Evolution
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Advanced Functional Materials

ISSN： 1616-301X

Year： 2024

1 8 . 5 0 0

JCR@2023

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