4.7 Article

Structure optimization of Prussian blue analogue cathode materials for advanced sodium ion batteries

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 87, Pages 13377-13380

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc05830e

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Funding

  1. Natural Science Foundation of China [21336003, 21073120]
  2. Major Basic Research Program of China [2014CB239700]

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A structure optimized Prussian blue analogue Na1.76Ni0.12Mn0.88-[Fe(CN)(6)](0.98) (PBMN) is synthesized and investigated. Coexistence of inactive Ni2+(Fe-C N-Ni group) with active Mn2+/(3+) (Fe-C N-Mn group) balances the structural disturbances caused by the redox reactions. This cathode material exhibits particularly excellent cycle life with high capacity (118.2 mA h g(-1)).

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