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A nanostructured cathode architecture for low charge overpotential in lithium-oxygen batteries

Author

Listed:
  • Jun Lu

    (Argonne National Laboratory)

  • Yu Lei

    (Argonne National Laboratory)

  • Kah Chun Lau

    (Argonne National Laboratory)

  • Xiangyi Luo

    (Argonne National Laboratory)

  • Peng Du

    (Argonne National Laboratory)

  • Jianguo Wen

    (Electron Microscopy Center, Argonne National Laboratory)

  • Rajeev S. Assary

    (Argonne National Laboratory)

  • Ujjal Das

    (Argonne National Laboratory)

  • Dean J. Miller

    (Electron Microscopy Center, Argonne National Laboratory)

  • Jeffrey W. Elam

    (Argonne National Laboratory)

  • Hassan M. Albishri

    (Faculty of Science, King Abdulaziz University)

  • D Abd El-Hady

    (Faculty of Science, King Abdulaziz University)

  • Yang-Kook Sun

    (Hanyang University)

  • Larry A. Curtiss

    (Argonne National Laboratory)

  • Khalil Amine

    (Argonne National Laboratory
    Faculty of Science, King Abdulaziz University)

Abstract

The lithium-oxygen battery, of much interest because of its very high-energy density, presents many challenges, one of which is a high-charge overpotential that results in large inefficiencies. Here we report a cathode architecture based on nanoscale components that results in a dramatic reduction in charge overpotential to ~0.2 V. The cathode utilizes atomic layer deposition of palladium nanoparticles on a carbon surface with an alumina coating for passivation of carbon defect sites. The low charge potential is enabled by the combination of palladium nanoparticles attached to the carbon cathode surface, a nanocrystalline form of lithium peroxide with grain boundaries, and the alumina coating preventing electrolyte decomposition on carbon. High-resolution transmission electron microscopy provides evidence for the nanocrystalline form of lithium peroxide. The new cathode material architecture provides the basis for future development of lithium-oxygen cathode materials that can be used to improve the efficiency and to extend cycle life.

Suggested Citation

  • Jun Lu & Yu Lei & Kah Chun Lau & Xiangyi Luo & Peng Du & Jianguo Wen & Rajeev S. Assary & Ujjal Das & Dean J. Miller & Jeffrey W. Elam & Hassan M. Albishri & D Abd El-Hady & Yang-Kook Sun & Larry A. C, 2013. "A nanostructured cathode architecture for low charge overpotential in lithium-oxygen batteries," Nature Communications, Nature, vol. 4(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3383
    DOI: 10.1038/ncomms3383
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    Cited by:

    1. Tan, P. & Jiang, H.R. & Zhu, X.B. & An, L. & Jung, C.Y. & Wu, M.C. & Shi, L. & Shyy, W. & Zhao, T.S., 2017. "Advances and challenges in lithium-air batteries," Applied Energy, Elsevier, vol. 204(C), pages 780-806.
    2. Kah Chun Lau & Dantong Qiu & Xiangyi Luo & Jeffrey Greeley & Larry A. Curtiss & Jun Lu & Khalil Amine, 2015. "Theoretical Exploration of Various Lithium Peroxide Crystal Structures in a Li-Air Battery," Energies, MDPI, vol. 8(1), pages 1-20, January.
    3. Ji Hyeon Lee & Hyun Wook Jung & In Soo Kim & Min Park & Hyung-Seok Kim, 2021. "Electrochemical Evaluation of Surface Modified Free-Standing CNT Electrode for Li–O 2 Battery Cathode," Energies, MDPI, vol. 14(14), pages 1-11, July.

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