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

Fyodor Malchik; Kaiyrgali Maldybayev; Tatyana Kan; Saule Kokhmetova; Andrey Kurbatov; Alina Galeyeva; Nufar Tubul; Netanel Shpigel; Thierry Djenizian

doi:10.1039/d2ra00617k

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

Fyodor Malchik, Kaiyrgali Maldybayev, Tatyana Kan, Saule Kokhmetova, Andrey Kurbatov, Alina Galeyeva, Nufar Tubul, Netanel Shpigel, Thierry Djenizian

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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.

Original language	English
Pages (from-to)	9862-9867
Number of pages	6
Journal	RSC Advances
Volume	12
Issue number	16
DOIs	https://doi.org/10.1039/d2ra00617k
State	Published - 29 Mar 2022
Externally published	Yes

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title = "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.",

author = "Fyodor Malchik and Kaiyrgali Maldybayev and Tatyana Kan and Saule Kokhmetova and Andrey Kurbatov and Alina Galeyeva and Nufar Tubul and Netanel Shpigel and Thierry Djenizian",

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T1 - Application of a conversion electrode based on decomposition derivatives of Ag4[Fe(CN)6] for aqueous electrolyte batteries

AU - Malchik, Fyodor

AU - Maldybayev, Kaiyrgali

AU - Kan, Tatyana

AU - Kokhmetova, Saule

AU - Kurbatov, Andrey

AU - Galeyeva, Alina

AU - Tubul, Nufar

AU - Shpigel, Netanel

AU - Djenizian, Thierry

PY - 2022/3/29

Y1 - 2022/3/29

N2 - 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.

AB - 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.

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

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