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Tracking the correlation between spintronic structure and oxygen evolution reaction mechanism of cobalt-ruthenium-based electrocatalyst

Author

Listed:
  • Chen Wang

    (Dalian University of Technology)

  • Chaoyuan Deng

    (Southwest Jiaotong University)

  • Panlong Zhai

    (Dalian University of Technology)

  • Xiaoran Shi

    (Ministry of Education)

  • Wei Liu

    (Dalian University of Technology)

  • Dingfeng Jin

    (Dalian University of Technology)

  • Bing Shang

    (Dalian University of Technology)

  • Junfeng Gao

    (Ministry of Education)

  • Licheng Sun

    (Westlake University
    KTH Royal Institute of Technology)

  • Jungang Hou

    (Dalian University of Technology)

Abstract

Regulating the spintronic structure of electrocatalysts can improve the oxygen evolution reaction performance efficiently. Nonetheless, the effects of tuning the spintronic structure for the oxygen evolution reaction mechanisms have rarely been discussed. Here, we show a ruthenium-cobalt-tin oxide with optimized spintronic structure due to the quantum spin interaction of Ru and Co. The specific spintronic structure of ruthenium-cobalt-tin oxide promotes the charge transfer kinetics and intermediates evolution behavior under applied potential, generating long-lived active species with higher spin density sites for the oxygen evolution reaction after the reconstruction process. Moreover, the ruthenium-cobalt-tin oxide possesses decoupled proton-electron transfer procedure during the oxygen evolution reaction process, demonstrating that the electron transfer procedure of O-O bond formation between *O intermediate and lattice oxygen in Co-O-Ru is the rate-determining step of the oxygen evolution reaction process. This work provides rational perspectives on the correlation between spintronic structure and oxygen evolution reaction mechanism.

Suggested Citation

  • Chen Wang & Chaoyuan Deng & Panlong Zhai & Xiaoran Shi & Wei Liu & Dingfeng Jin & Bing Shang & Junfeng Gao & Licheng Sun & Jungang Hou, 2025. "Tracking the correlation between spintronic structure and oxygen evolution reaction mechanism of cobalt-ruthenium-based electrocatalyst," Nature Communications, Nature, vol. 16(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-024-55688-8
    DOI: 10.1038/s41467-024-55688-8
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