DataVXACS Applied Materials & InterfacesPaper
journal article·2021-09-15Open access

Impact of Synthesis Conditions in Na-Rich Prussian Blue Analogues

Paula Sanz Camacho, Romain Wernert, Mathieu Duttine, Alain Wattiaux, Ashish Rudola, Palani Balaya, François Fauth, Romain Berthelot, Laure Monconduit, Dany Carlier, Laurence Croguennec

ACS Applied Materials & Interfaces· Volume 13· Issue 36
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Source abstract

Abstract

Sodium-rich iron hexacyanoferrates were prepared by coprecipitation, hydrothermal route, and under reflux, with or without dehydration. They were obtained with different structures described in cubic, orthorhombic, or rhombohedral symmetry, with variable compositions in sodium, water, and cationic vacancies and with a variety of morphologies. This series of sodium-rich Prussian blue analogues allowed addressing the relationship between synthesis conditions, composition, structure, morphology, and electrochemical properties in Na-ion batteries. A new orthorhombic phase with the Na1.8Fe2(CN)6·0.7H2O composition synthesized by an hydrothermal route at 140 °C is reported for the first time, whereas a phase of Na2Fe2(CN)6·2H2O composition obtained under reflux, previously described with a monoclinic structure, shows in fact a rhombohedral structure.
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Research context

Energy storage

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

CNRS, Univ. Bordeaux, Bordeaux INP, ICMCB UMR 5026, F-33600 Pessac, France

ICGM, Univ. Montpellier, CNRS, ENSCM, F-34095 Montpellier, France

RS2E, Réseau Français sur le Stockage Electrochimique de l’Energie, FR CNRS 3459, F-80039 Amiens Cedex 1, France

Department of Mechanical Engineering, National University of Singapore, 117576 Singapore, Singapore

Department of Material Science and Engineering, National University of Singapore, 117575 Singapore, Singapore

CELLS-ALBA Synchrotron, Cerdanyola del Vallès, E-08290 Barcelona, Spain

ALISTORE-ERI European Research Institute, FR CNRS 3104, F-80039 Amiens Cedex 1, France

Funding

Agence Nationale de la Recherche · H2020 Energy · Centre National de la Recherche Scientifique · Conseil R??gional Aquitaine

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