articleAdvanced Energy MaterialsFeb 2, 2024Closed access

Metastabilizing the Ruthenium Clusters by Interfacial Oxygen Vacancies for Boosted Water Splitting Electrocatalysis

YCYa ChenYLYaoda LiuWZWenfang ZhaiHLHang LiuTSThangavel Sakthivel

Xi'an Jiaotong University · Kumoh National Institute of Technology

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Abstract

Abstract Metal–support interaction (MSI) is witnessed as an essential manner to stabilize active metals and tune catalytic activity for heterogonous water splitting. Kinetically driving the water electrolysis (WE) appeals for a rational MSI system with the coupled electron‐donating/accepting (e‐D/A) characters for hydrogen/oxygen evolution reactions (HER/OER). However, the metal stabilization effect by MSI will in turn restrict the deblocking of e‐D/A properties and challenge the full electrocatalytic optimization. This study profiles a heterostructure featuring metastable Ru clusters on defective NiFe hydroxide (Ru/d‐NiFe LDH) support as a low‐precious (≈2 wt%) catalytic platform for efficient WE. It is…

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Authors

7

Topics & keywords

Topics
Keywords
  • Oxygen evolution
  • Electrocatalyst
  • Water splitting
  • Materials science
  • Electrolysis of water
  • Ruthenium
  • Catalysis
  • Metastability
UN Sustainable Development Goals
  • Life below water
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