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Deactivation of carbon electrode for elimination of carbon dioxide evolution from rechargeable lithium–oxygen cells

Author

Listed:
  • Seok Ju Kang

    (IBM Research-Almaden)

  • Takashi Mori

    (Central Glass International, Inc.)

  • Satoru Narizuka

    (Central Glass International, Inc.)

  • Winfried Wilcke

    (IBM Research-Almaden)

  • Ho-Cheol Kim

    (IBM Research-Almaden)

Abstract

Carbon has unfaired advantages in material properties to be used as electrodes. It offers a low cost, light weight cathode that minimizes the loss in specific energy of lithium–oxygen batteries as well. To date, however, carbon dioxide evolution has been an unavoidable event during the operation of non-aqueous lithium–oxygen batteries with carbon electrodes, due to the reactivity of carbon against self-decomposition and catalytic decomposition of electrolyte. Here we report a simple but potent approach to eliminate carbon dioxide evolution by using an ionic solvate of dimethoxyethane and lithium nitrate. We show that the solvate leads to deactivation of the carbon against parasitic reactions by electrochemical doping of nitrogen into carbon. This work demonstrates that one could take full advantage of carbon by mitigating the undesired activity.

Suggested Citation

  • Seok Ju Kang & Takashi Mori & Satoru Narizuka & Winfried Wilcke & Ho-Cheol Kim, 2014. "Deactivation of carbon electrode for elimination of carbon dioxide evolution from rechargeable lithium–oxygen cells," Nature Communications, Nature, vol. 5(1), pages 1-7, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4937
    DOI: 10.1038/ncomms4937
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    Cited by:

    1. Zhou, Yuekuan, 2024. "Lifecycle battery carbon footprint analysis for battery sustainability with energy digitalization and artificial intelligence," Applied Energy, Elsevier, vol. 371(C).

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