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Application of a conversion electrode based on decomposition derivatives of Ag4[Fe(CN)6] for aqueous electrolyte batteries.

ABSTRACT: The lack of stable electrode materials for water-based electrolytes due to the intercalation and conversion reaction mechanisms encourage scientists to design new or renovate existing materials with better cyclability, capacity, and cost-effectiveness. Ag4[Fe(CN)6] is a material belonging to the Prussian blue family that can be used, as its other family members, as an electrode material with the intercalation/deintercalation reaction or conversion-type mechanism through Ag oxidation/reduction. However, due to the instability of this material in its dry state, it decomposes to AgCN and a Prussian blue residual complex. A possible reason for Ag4[Fe(CN)6] decomposition is discussed. Nevertheless, it is shown that the decomposition products of Ag4[Fe(CN)6] have electrochemical activity due to the reversible oxidation/reduction of Ag atoms in water-based electrolytes.

SUBMITTER: Malchik F 

PROVIDER: S-EPMC8963386 | biostudies-literature | 2022 Mar

REPOSITORIES: biostudies-literature

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Application of a conversion electrode based on decomposition derivatives of Ag<sub>4</sub>[Fe(CN)<sub>6</sub>] for aqueous electrolyte batteries.

Malchik Fyodor F   Maldybayev Kaiyrgali K   Kan Tatyana T   Kokhmetova Saule S   Kurbatov Andrey A   Galeyeva Alina A   Tubul Nufar N   Shpigel Netanel N   Djenizian Thierry T  

RSC advances 20220329 16

The lack of stable electrode materials for water-based electrolytes due to the intercalation and conversion reaction mechanisms encourage scientists to design new or renovate existing materials with better cyclability, capacity, and cost-effectiveness. Ag<sub>4</sub>[Fe(CN)<sub>6</sub>] is a material belonging to the Prussian blue family that can be used, as its other family members, as an electrode material with the intercalation/deintercalation reaction or conversion-type mechanism through Ag  ...[more]

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