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An integrated platinum-nanocarbon electrocatalyst for efficient oxygen reduction

Author

Listed:
  • Lei Huang

    (Huazhong University of Science and Technology (HUST))

  • Min Wei

    (Wuhan University)

  • Ruijuan Qi

    (East China Normal University)

  • Chung-Li Dong

    (Tamkang University)

  • Dai Dang

    (Guangdong University of Technology)

  • Cheng-Chieh Yang

    (Tamkang University)

  • Chenfeng Xia

    (Huazhong University of Science and Technology (HUST))

  • Chao Chen

    (Guangdong University of Technology)

  • Shahid Zaman

    (Huazhong University of Science and Technology (HUST))

  • Fu-Min Li

    (Huazhong University of Science and Technology (HUST))

  • Bo You

    (Huazhong University of Science and Technology (HUST))

  • Bao Yu Xia

    (Huazhong University of Science and Technology (HUST))

Abstract

Efficient and robust platinum-carbon electrocatalysts are of great significance for the long-term service of high-performance fuel cells. Here, we report a Pt alloy integrated in a cobalt-nitrogen-nanocarbon matrix by a multiscale design principle for efficient oxygen reduction reaction. This Pt integrated catalyst demonstrates an increased mass activity, 11.7 times higher than that of commercial Pt catalyst, and retains a stability of 98.7% after 30,000 potential cycles. Additionally, this integrated catalyst delivers a current density of 1.50 A cm−2 at 0.6 V in the hydrogen-air fuel cell and achieves a power density of 980 mW cm−2. Comprehensive investigations demonstrate that the synergistic contribution of components and structure in the platinum-carbon integrated catalyst is responsible for the high-efficiency ORR in fuel cells.

Suggested Citation

  • Lei Huang & Min Wei & Ruijuan Qi & Chung-Li Dong & Dai Dang & Cheng-Chieh Yang & Chenfeng Xia & Chao Chen & Shahid Zaman & Fu-Min Li & Bo You & Bao Yu Xia, 2022. "An integrated platinum-nanocarbon electrocatalyst for efficient oxygen reduction," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-34444-w
    DOI: 10.1038/s41467-022-34444-w
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    References listed on IDEAS

    as
    1. Mark K. Debe, 2012. "Electrocatalyst approaches and challenges for automotive fuel cells," Nature, Nature, vol. 486(7401), pages 43-51, June.
    2. Jiantao Fan & Ming Chen & Zhiliang Zhao & Zhen Zhang & Siyu Ye & Shaoyi Xu & Haijiang Wang & Hui Li, 2021. "Bridging the gap between highly active oxygen reduction reaction catalysts and effective catalyst layers for proton exchange membrane fuel cells," Nature Energy, Nature, vol. 6(5), pages 475-486, May.
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    Cited by:

    1. Zhongliang Huang & Shengnan Hu & Mingzi Sun & Yong Xu & Shangheng Liu & Renjie Ren & Lin Zhuang & Ting-Shan Chan & Zhiwei Hu & Tianyi Ding & Jing Zhou & Liangbin Liu & Mingmin Wang & Yu-Cheng Huang & , 2024. "Implanting oxophilic metal in PtRu nanowires for hydrogen oxidation catalysis," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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