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Faradaically selective membrane for liquid metal displacement batteries

Author

Listed:
  • Huayi Yin

    (Massachusetts Institute of Technology
    Northeastern University)

  • Brice Chung

    (Massachusetts Institute of Technology)

  • Fei Chen

    (Massachusetts Institute of Technology
    Wuhan University of Technology)

  • Takanari Ouchi

    (Massachusetts Institute of Technology)

  • Ji Zhao

    (Massachusetts Institute of Technology)

  • Nobuyuki Tanaka

    (Massachusetts Institute of Technology
    Japan Atomic Energy Agency)

  • Donald R. Sadoway

    (Massachusetts Institute of Technology)

Abstract

In the realm of stationary energy storage, a plurality of candidate chemistries continues to vie for acceptance, among them the Na–NiCl2 displacement battery, which has eluded widespread adoption owing to the fragility of the β″-Al2O3 membrane. Here we report a porous electronically conductive membrane, which achieves chemical selectivity by preferred faradaic reaction instead of by regulated ionic conduction. Fitted with a porous membrane of TiN, a displacement cell comprising a liquid Pb positive electrode, a liquid Li–Pb negative electrode and a molten-salt electrolyte of PbCl2 dissolved in LiCl–KCl eutectic was cycled at a current density of 150 mA cm−2 at a temperature of 410 °C and exhibited a coulombic efficiency of 92% and a round-trip energy efficiency of 71%. As an indication of industrial scalability, we show comparable performance in a cell fitted with a faradaic membrane fashioned out of porous metal.

Suggested Citation

  • Huayi Yin & Brice Chung & Fei Chen & Takanari Ouchi & Ji Zhao & Nobuyuki Tanaka & Donald R. Sadoway, 2018. "Faradaically selective membrane for liquid metal displacement batteries," Nature Energy, Nature, vol. 3(2), pages 127-131, February.
    • Handle: RePEc:nat:natene:v:3:y:2018:i:2:d:10.1038_s41560-017-0072-1
    DOI: 10.1038/s41560-017-0072-1
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    Cited by:

    1. Agarwal, Daksh & Potnuru, Rakesh & Kaushik, Chiranjeev & Darla, Vinay Rajesh & Kulkarni, Kaustubh & Garg, Ashish & Gupta, Raju Kumar & Tiwari, Naveen & Nalwa, Kanwar Singh, 2022. "Recent advances in the modeling of fundamental processes in liquid metal batteries," Renewable and Sustainable Energy Reviews, Elsevier, vol. 158(C).
    2. Simpson, J.G. & Hanrahan, G. & Loth, E. & Koenig, G.M. & Sadoway, D.R., 2021. "Liquid metal battery storage in an offshore wind turbine: Concept and economic analysis," Renewable and Sustainable Energy Reviews, Elsevier, vol. 149(C).

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