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Protonated phosphonic acid electrodes for high power heavy-duty vehicle fuel cells

Author

Listed:
  • Katie H. Lim

    (Los Alamos National Laboratory)

  • Albert S. Lee

    (Los Alamos National Laboratory
    Korea Institute of Science and Technology)

  • Vladimir Atanasov

    (University of Stuttgart)

  • Jochen Kerres

    (University of Stuttgart
    North-West University
    Helmholtz Institute Erlangen-Nürnberg for Renewable Energies)

  • Eun Joo Park

    (Los Alamos National Laboratory)

  • Santosh Adhikari

    (Los Alamos National Laboratory)

  • Sandip Maurya

    (Los Alamos National Laboratory)

  • Luis Delfin Manriquez

    (Los Alamos National Laboratory)

  • Jiyoon Jung

    (Korea Institute of Science and Technology)

  • Cy Fujimoto

    (Sandia National Laboratories)

  • Ivana Matanovic

    (The University of New Mexico
    Los Alamos National Laboratory)

  • Jasna Jankovic

    (University of Connecticut)

  • Zhendong Hu

    (Toyota Research Institute of North America)

  • Hongfei Jia

    (Toyota Research Institute of North America)

  • Yu Seung Kim

    (Los Alamos National Laboratory)

Abstract

State-of-the-art automotive fuel cells that operate at about 80 °C require large radiators and air intakes to avoid overheating. High-temperature fuel cells that operate above 100 °C under anhydrous conditions provide an ideal solution for heat rejection in heavy-duty vehicle applications. Here we report protonated phosphonic acid electrodes that remarkably improve the performance of high-temperature polymer electrolyte membrane fuel cells. The protonated phosphonic acids comprise tetrafluorostyrene-phosphonic acid and perfluorosulfonic acid polymers, where a perfluorosulfonic acid proton is transferred to the phosphonic acid to enhance the anhydrous proton conduction of fuel cell electrodes. By using this material in fuel cell electrodes, we obtained a fuel cell exhibiting a rated power density of 780 mW cm–2 at 160 °C, with minimal degradation during 2,500 h of operation and 700 thermal cycles from 40 to 160 °C under load.

Suggested Citation

  • Katie H. Lim & Albert S. Lee & Vladimir Atanasov & Jochen Kerres & Eun Joo Park & Santosh Adhikari & Sandip Maurya & Luis Delfin Manriquez & Jiyoon Jung & Cy Fujimoto & Ivana Matanovic & Jasna Jankovi, 2022. "Protonated phosphonic acid electrodes for high power heavy-duty vehicle fuel cells," Nature Energy, Nature, vol. 7(3), pages 248-259, March.
    • Handle: RePEc:nat:natene:v:7:y:2022:i:3:d:10.1038_s41560-021-00971-x
    DOI: 10.1038/s41560-021-00971-x
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    Cited by:

    1. Xiangyang Chen & Xianglong Luo & Chao Wang & Yingzong Liang & Jianyong Chen & Zhi Yang & Jiacheng He & Ying Chen, 2024. "Channel-to-Rib Width Ratio Optimization for the Electrical Performance Enhancement in PEMFC Based on Accurate Strain-Stress Simulation," Energies, MDPI, vol. 17(3), pages 1-28, February.
    2. Hongying Tang & Kang Geng & David Aili & Qing Ju & Ji Pan & Ge Chao & Xi Yin & Xiang Guo & Qingfeng Li & Nanwen Li, 2022. "Low Pt loading for high-performance fuel cell electrodes enabled by hydrogen-bonding microporous polymer binders," Nature Communications, Nature, vol. 13(1), pages 1-13, December.

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