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Reversible adapting layer produces robust single-crystal electrocatalyst for oxygen evolution

Author

Listed:
  • Ching-Wei Tung

    (National Taiwan University)

  • Ying-Ya Hsu

    (Program for Science and Technology of Accelerator Light Source, National Chiao Tung University)

  • Yen-Ping Shen

    (National Taiwan University)

  • Yixin Zheng

    (National Taiwan University)

  • Ting-Shan Chan

    (National Synchrotron Radiation Research Center)

  • Hwo-Shuenn Sheu

    (National Synchrotron Radiation Research Center)

  • Yuan-Chung Cheng

    (National Taiwan University)

  • Hao Ming Chen

    (National Taiwan University)

Abstract

Electrochemically converting water into oxygen/hydrogen gas is ideal for high-density renewable energy storage in which robust electrocatalysts for efficient oxygen evolution play crucial roles. To date, however, electrocatalysts with long-term stability have remained elusive. Here we report that single-crystal Co3O4 nanocube underlay with a thin CoO layer results in a high-performance and high-stability electrocatalyst in oxygen evolution reaction. An in situ X-ray diffraction method is developed to observe a strong correlation between the initialization of the oxygen evolution and the formation of active metal oxyhydroxide phase. The lattice of skin layer adapts to the structure of the active phase, which enables a reversible facile structural change that facilitates the chemical reactions without breaking the scaffold of the electrocatalysts. The single-crystal nanocube electrode exhibits stable, continuous oxygen evolution for >1,000 h. This robust stability is attributed to the complementary nature of defect-free single-crystal electrocatalyst and the reversible adapting layer.

Suggested Citation

  • Ching-Wei Tung & Ying-Ya Hsu & Yen-Ping Shen & Yixin Zheng & Ting-Shan Chan & Hwo-Shuenn Sheu & Yuan-Chung Cheng & Hao Ming Chen, 2015. "Reversible adapting layer produces robust single-crystal electrocatalyst for oxygen evolution," Nature Communications, Nature, vol. 6(1), pages 1-9, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9106
    DOI: 10.1038/ncomms9106
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    Cited by:

    1. Sihong Wang & Qu Jiang & Shenghong Ju & Chia-Shuo Hsu & Hao Ming Chen & Di Zhang & Fang Song, 2022. "Identifying the geometric catalytic active sites of crystalline cobalt oxyhydroxides for oxygen evolution reaction," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    2. Ruiz-Cornejo, J.C. & Vivo-Vilches, J.F. & Sebastián, D. & Martínez-Huerta, M.V. & Lázaro, M.J., 2021. "Carbon nanofiber-supported tantalum oxides as durable catalyst for the oxygen evolution reaction in alkaline media," Renewable Energy, Elsevier, vol. 178(C), pages 307-317.
    3. Felix T. Haase & Arno Bergmann & Travis E. Jones & Janis Timoshenko & Antonia Herzog & Hyo Sang Jeon & Clara Rettenmaier & Beatriz Roldan Cuenya, 2022. "Size effects and active state formation of cobalt oxide nanoparticles during the oxygen evolution reaction," Nature Energy, Nature, vol. 7(8), pages 765-773, August.
    4. Zuraya Angeles-Olvera & Alfonso Crespo-Yapur & Oliver Rodríguez & Jorge L. Cholula-Díaz & Luz María Martínez & Marcelo Videa, 2022. "Nickel-Based Electrocatalysts for Water Electrolysis," Energies, MDPI, vol. 15(5), pages 1-35, February.
    5. Gang Sun & Fu-Da Yu & Mi Lu & Qingjun Zhu & Yunshan Jiang & Yongzhi Mao & John A. McLeod & Jason Maley & Jian Wang & Jigang Zhou & Zhenbo Wang, 2022. "Surface chemical heterogeneous distribution in over-lithiated Li1+xCoO2 electrodes," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    6. Kuang, Yongqi & Li, Hao, 2021. "Targeted engineering of metal@hollow carbon spheres as nanoreactors for biomass hydrodeoxygenation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 151(C).

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