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May 25, 2026Journal of Materials Chemistry A0 citationsOpen Access

Rational Design of RuO2/0.5CeO2 Heterostructure as an Efficient and Stable Electrocatalyst for Acidic Water Splitting

TLTenghao LiuQZQuan ZhouYLYang Liu

Key Points

  • This research aims to develop an efficient and stable electrocatalyst for acidic water splitting using a RuO2/CeO2 heterostructure.
  • Composition and structural analysis of RuO2/0.5CeO2 heterostructures.
  • Electrocatalytic performance testing in acidic conditions.
  • Assessment of stability through longevity testing.
  • The heterostructure showed enhanced electrocatalytic activity with a lower overpotential of 90 mV at 10 mA/cm².
  • Stability tests indicated minimal degradation after 100 hours of continuous operation.
  • RuO2/0.5CeO2 demonstrated superior resistance to lattice oxygen oxidation (LOM) pathways.

Abstract

The large-scale commercialization of low-cost Ru-based catalysts in proton exchange membrane water electrolyzers (PEMWEs) is fundamentally hindered by structural degradation through lattice oxygen oxidation (LOM) pathways during acidic oxygen evolution...

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Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a13e8d20e02ee3982d33678https://doi.org/10.1039/d6ta01093h
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1RuO 2 –CeO 2 Lattice Matching Strategy Enables Robust Water Oxidation Electrocatalysis in Acidic Media via Two Distinct Oxygen Evolution Mechanisms2024 · 269 citations
  2. 2Locking the Lattice Oxygen in Commercial RuO 2 for High Stable Proton Exchange Membrane Water Electrolysis2025 · 10 citations
  3. 3Cross‐Scale Design of Low‐Loading Ru‐Based Catalysts for the Oxygen Evolution Reaction in Proton Exchange Membrane Water Electrolysis2026
  4. 4Ultralow‐Iridium‐Stabilized Ruthenium‐Based Alloy/Oxide Catalysts for Durable Acidic Water Oxidation2026
  5. 5Designing of Surface Engineering of Mesoporous Ru/RuO 2 Heterostructure for Effective Water‐Splitting Reaction in Proton Exchange Membrane Water Electrolyzer2026