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Double-atom catalysts as a molecular platform for heterogeneous oxygen evolution electrocatalysis

Author

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  • Lichen Bai

    (Laboratory of Inorganic Synthesis and Catalysis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), EPFL-ISIC-LSCI, BCH 3305)

  • Chia-Shuo Hsu

    (National Taiwan University)

  • Duncan T. L. Alexander

    (Interdisciplinary Centre for Electron Microscopy (CIME), Ecole Polytechnique Fédérale de Lausanne (EPFL)
    Electron Spectrometry and Microscopy Laboratory (LSME), Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL))

  • Hao Ming Chen

    (National Taiwan University
    National Synchrotron Radiation Research Center (NSRRC))

  • Xile Hu

    (Laboratory of Inorganic Synthesis and Catalysis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), EPFL-ISIC-LSCI, BCH 3305)

Abstract

The oxygen evolution reaction (OER) is an essential anode reaction for the generation of fuels through water splitting or CO2 electroreduction. Mixed metal oxides containing Co, Fe or Ni have proved to be the most promising OER electrocatalysts in alkaline media. However, the active sites and reaction mechanisms of these catalysts are difficult to study due to their heterogeneous nature. Here we describe a general synthesis of Co-, Fe- and Ni-containing double-atom catalysts from their single-atom precursors via in situ electrochemical transformation. Characterization reveals molecule-like bimetallic active sites for these supported catalysts. For each catalyst, we propose a catalytic cycle; all exhibit bimetallic cooperation and follow a similar O–O bond-forming step. However, the mechanisms diverge in the site and source of OH− for O–O bond formation, as well as the order of proton and electron transfer. Our work demonstrates double-atom catalysts as an attractive platform for fundamental studies of heterogeneous OER electrocatalysts.

Suggested Citation

  • Lichen Bai & Chia-Shuo Hsu & Duncan T. L. Alexander & Hao Ming Chen & Xile Hu, 2021. "Double-atom catalysts as a molecular platform for heterogeneous oxygen evolution electrocatalysis," Nature Energy, Nature, vol. 6(11), pages 1054-1066, November.
  • Handle: RePEc:nat:natene:v:6:y:2021:i:11:d:10.1038_s41560-021-00925-3
    DOI: 10.1038/s41560-021-00925-3
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    Cited by:

    1. Zhiyuan Han & An Chen & Zejian Li & Mengtian Zhang & Zhilong Wang & Lixue Yang & Runhua Gao & Yeyang Jia & Guanjun Ji & Zhoujie Lao & Xiao Xiao & Kehao Tao & Jing Gao & Wei Lv & Tianshuai Wang & Jinji, 2024. "Machine learning-based design of electrocatalytic materials towards high-energy lithium||sulfur batteries development," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    2. Wenjun Fan & Zhiyao Duan & Wei Liu & Rashid Mehmood & Jiating Qu & Yucheng Cao & Xiangyang Guo & Jun Zhong & Fuxiang Zhang, 2023. "Rational design of heterogenized molecular phthalocyanine hybrid single-atom electrocatalyst towards two-electron oxygen reduction," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    3. Qianbao Wu & Junwu Liang & Mengjun Xiao & Chang Long & Lei Li & Zhenhua Zeng & Andraž Mavrič & Xia Zheng & Jing Zhu & Hai-Wei Liang & Hongfei Liu & Matjaz Valant & Wei Wang & Zhengxing Lv & Jiong Li &, 2023. "Non-covalent ligand-oxide interaction promotes oxygen evolution," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    4. Yixin Hao & Sung-Fu Hung & Luqi Wang & Liming Deng & Wen-Jing Zeng & Chenchen Zhang & Zih-Yi Lin & Chun-Han Kuo & Ye Wang & Ying Zhang & Han-Yi Chen & Feng Hu & Linlin Li & Shengjie Peng, 2024. "Designing neighboring-site activation of single atom via tunnel ions for boosting acidic oxygen evolution," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    5. Jiali Wang & Chia-Shuo Hsu & Tai-Sing Wu & Ting-Shan Chan & Nian-Tzu Suen & Jyh-Fu Lee & Hao Ming Chen, 2023. "In situ X-ray spectroscopies beyond conventional X-ray absorption spectroscopy on deciphering dynamic configuration of electrocatalysts," Nature Communications, Nature, vol. 14(1), pages 1-23, December.
    6. Xintong Gao & Xiaowan Bai & Pengtang Wang & Yan Jiao & Kenneth Davey & Yao Zheng & Shi-Zhang Qiao, 2023. "Boosting urea electrooxidation on oxyanion-engineered nickel sites via inhibited water oxidation," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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