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Manganese hexacyanomanganate open framework as a high-capacity positive electrode material for sodium-ion batteries

Author

Listed:
  • Hyun-Wook Lee

    (Stanford University)

  • Richard Y. Wang

    (Stanford University)

  • Mauro Pasta

    (Stanford University)

  • Seok Woo Lee

    (Stanford University)

  • Nian Liu

    (Stanford University)

  • Yi Cui

    (Stanford University
    Stanford Institute for Materials and Energy Science, SLAC National Accelerator Laboratory)

Abstract

Potential applications of sodium-ion batteries in grid-scale energy storage, portable electronics and electric vehicles have revitalized research interest in these batteries. However, the performance of sodium-ion electrode materials has not been competitive with that of lithium-ion electrode materials. Here we present sodium manganese hexacyanomanganate (Na2MnII[MnII(CN)6]), an open-framework crystal structure material, as a viable positive electrode for sodium-ion batteries. We demonstrate a high discharge capacity of 209 mAh g−1 at C/5 (40 mA g−1) and excellent capacity retention at high rates in a propylene carbonate electrolyte. We provide chemical and structural evidence for the unprecedented storage of 50% more sodium cations than previously thought possible during electrochemical cycling. These results represent a step forward in the development of sodium-ion batteries.

Suggested Citation

  • Hyun-Wook Lee & Richard Y. Wang & Mauro Pasta & Seok Woo Lee & Nian Liu & Yi Cui, 2014. "Manganese hexacyanomanganate open framework as a high-capacity positive electrode material for sodium-ion batteries," Nature Communications, Nature, vol. 5(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6280
    DOI: 10.1038/ncomms6280
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    Cited by:

    1. Perveen, Tahira & Siddiq, Muhammad & Shahzad, Nadia & Ihsan, Rida & Ahmad, Abrar & Shahzad, Muhammad Imran, 2020. "Prospects in anode materials for sodium ion batteries - A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 119(C).

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