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Strategies for synthesis of Prussian blue analogues

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We report a comparison of different common synthetic strategies for preparation of Prussian blue analogues (PBA). PBA are promising as cathode material for a number of different battery types, including K-ion and Na-ion batteries with both aqueous and non-aqueous electrolytes. PBA exhibit a significant degree of structural variation. The structure of the PBA determines the electrochemical performance, and it is, therefore, important to understand how synthesis parameters affect the structure of the obtained product. PBA are often synthesized by co-precipitation of a metal salt and a hexacyanoferrate complex, and parameters such as concentration and oxidation state of the precursors, flow rate, temperature and additional salts can all potentially affect the structure of the product. Here, we report 12 different syntheses and compare the structure of the obtained PBA materials.

Original languageEnglish
Article number201779
JournalRoyal Society Open Science
Publication statusPublished - Jan 2021

Bibliographical note

Publisher Copyright:
© 2021 The Authors.

Copyright 2021 Elsevier B.V., All rights reserved.

    Research areas

  • battery, Prussian blue analogues, storage, synthesis

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