articleNature CommunicationsMar 22, 2025GOLD OA

Dynamic modulation of electron redistribution at the heterogeneous interface nickel hydroxides/platinum boosts acidic oxygen reduction reaction

MLMeihuan LiuHSHui SuXLXuanzhi LiuXHXiaorong HePTPengfei Tan

Central South University · Hunan Normal University · +1 more institution

PubMed
Indexed incrossrefdoajpubmed

Abstract

The interfacial electron interactions in heterogeneous catalysts are critical in determining the adsorption strengths and configurations of reaction intermediates, which are essential for the efficiency of multistep tandem catalytic processes. Amorphous-crystalline (a-c) heterostructures have garnered significant interest due to their unusual atomic arrangements, adaptable electron configurations, and exceptional stability. Here, we introduce a mesoporous a-c heterojunction catalyst featuring enriched amorphous-crystalline Ni(OH)2/Pt boundaries (ac-Ni(OH)2@m-Pt), designed for efficient acidic oxygen reduction reaction (ORR). This catalyst enables electron redistribution at the heterogeneous interface, thereby…

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7

Topics & keywords

Topics
Keywords
  • Redistribution (election)
  • Platinum
  • Nickel
  • Redox
  • Chemistry
  • Oxygen
  • Inorganic chemistry
  • Oxygen reduction
UN Sustainable Development Goals
  • Clean water and sanitation
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