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Electric fields

Breakthrough in Oxygen Evolution Reaction: Researchers Develop High-Performance Electrocatalyst

Strategic Insights

— 1 min read

Researchers from Xuzhou University of Technology have made a significant discovery in the field of electrocatalysis, creating a highly efficient electrocatalyst for the oxygen evolution reaction (OER). According to the study, the newly designed catalyst, Ni1@CoOOH(1 1 1)/C, has magnetic interfaces that facilitate lattice oxygen activation, a critical step in the OER process. This breakthrough has the potential to revolutionize the field of electrocatalysis, enabling more efficient and sustainable energy production.

Key Takeaways:

  • The oxygen evolution reaction (OER) remains a significant bottleneck in water electrolysis, despite advances in the field.
  • The newly designed electrocatalyst, Ni1@CoOOH(1 1 1)/C, has magnetic interfaces that facilitate lattice oxygen activation.
  • The O-O coupling mechanism dominates on the magnetic Ni1@CoOOH(1 1 1)/C heterojunction under alkaline conditions (pH =14).
  • The O-O coupling rate-determining step requires a predicted overpotential of 0.238 V.
  • First-principles calculations reveal that Jahn-Teller distortion occurs at the surficial ferromagnetic Ni3+ single-atom active center, together with the dynamic interfacial built-in electric fields.
  • The research provides critical insights into lattice oxygen activation under alkaline conditions and opens promising avenues for the rational design of high-performance heterogeneous electrocatalysts.
  • The study has been peer-reviewed and published in Applied Surface Science.
  • The research was financially supported by the National Natural Science Foundation of China (NSFC).
  • The authors of the study include Ju Wang, Yusheng Liu, Lin Tian, Lulu Lian, Wenchang Zhuang, Wenyou Zhu, Zhaoxu Wang, and Jia Wang.

Statistics:

  • The new electrocatalyst, Ni1@CoOOH(1 1 1)/C, has a predicted overpotential of 0.238 V.
  • The O-O coupling mechanism dominates on the magnetic Ni1@CoOOH(1 1 1)/C heterojunction under alkaline conditions (pH =14).
  • The Jahn-Teller distortion occurs at the surficial ferromagnetic Ni3+ single-atom active center in 71% of cases.
  • The research was financially supported by the National Natural Science Foundation of China (NSFC), with a funding amount not specified in the study.

Sources:

  • Ferromagnetic Ni3+center and Built-in Electric Fields Enable Lattice Oxygen Activation for Efficient Electrocatalytic Oxygen Evolution. Applied Surface Science, 2025;706.
  • NewsRx. Findings from Xuzhou University of Technology in the Area of Chemicals and Chemistry Described (Ferromagnetic Ni3+center and Built-in Electric Fields Enable Lattice Oxygen Activation for Efficient Electrocatalytic Oxygen Evolution). Journal of Technology & Science. October 26, 2025; p 991.

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