Prussian blue: A new framework of electrode materials for sodium batteries

  • Lu Y
  • Wang L
  • Cheng J
 et al. 
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Prussian blue and its analogues consisting of different transition-metal ions (Fe, Mn, Ni, Cu, Co and Zn) have been synthesized at room temperature. Insertion of Na into KFe(2)(CN)(6) in a carbonate electrolyte exhibited a reversible capacity near 100 mA h g(-1) with no capacity fade in 30 cycles. The data indicate that a Na-ion battery with a Prussian blue framework as a cathode will be feasible.

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  • Yuhao Lu

  • Long Wang

  • Jinguang Cheng

  • John B. Goodenough

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