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Biologically enhanced cathode design for improved capacity and cycle life for lithium-oxygen batteries

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  • Dahyun Oh

    (Massachusetts Institute of Technology
    The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology)

  • Jifa Qi

    (Massachusetts Institute of Technology
    The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology)

  • Yi-Chun Lu

    (Massachusetts Institute of Technology
    Electrochemical Energy Laboratory, Massachusetts Institute of Technology
    Present address: Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, N.T. Hong Kong SAR, China)

  • Yong Zhang

    (Center for Materials Science and Engineering, Massachusetts Institute of Technology)

  • Yang Shao-Horn

    (Massachusetts Institute of Technology
    Electrochemical Energy Laboratory, Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

  • Angela M. Belcher

    (Massachusetts Institute of Technology
    The David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

Abstract

Lithium-oxygen batteries have a great potential to enhance the gravimetric energy density of fully packaged batteries by two to three times that of lithium ion cells. Recent studies have focused on finding stable electrolytes to address poor cycling capability and improve practical limitations of current lithium-oxygen batteries. In this study, the catalyst electrode, where discharge products are deposited and decomposed, was investigated as it has a critical role in the operation of rechargeable lithium-oxygen batteries. Here we report the electrode design principle to improve specific capacity and cycling performance of lithium-oxygen batteries by utilizing high-efficiency nanocatalysts assembled by M13 virus with earth-abundant elements such as manganese oxides. By incorporating only 3–5 wt% of palladium nanoparticles in the electrode, this hybrid nanocatalyst achieves 13,350 mAh g−1c (7,340 mAh g−1c+catalyst) of specific capacity at 0.4 A g−1c and a stable cycle life up to 50 cycles (4,000 mAh g−1c, 400 mAh g−1c+catalyst) at 1 A g−1c.

Suggested Citation

  • Dahyun Oh & Jifa Qi & Yi-Chun Lu & Yong Zhang & Yang Shao-Horn & Angela M. Belcher, 2013. "Biologically enhanced cathode design for improved capacity and cycle life for lithium-oxygen batteries," Nature Communications, Nature, vol. 4(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3756
    DOI: 10.1038/ncomms3756
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    Cited by:

    1. Justin P. Jahnke & Deborah A. Sarkes & Jessica L. Liba & James J. Sumner & Dimitra N. Stratis-Cullum, 2021. "Improved Microbial Fuel Cell Performance by Engineering E. coli for Enhanced Affinity to Gold," Energies, MDPI, vol. 14(17), pages 1-15, August.
    2. 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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