Cathode properties of sodium manganese hexacyanoferrate in aqueous electrolyte

Kosuke Nakamoto; Ryo Sakamoto; Ayuko Kitajou; Masato Ito; Shigeto Okada

doi:10.5109/1808305

Cathode properties of sodium manganese hexacyanoferrate in aqueous electrolyte

Kosuke Nakamoto, Ryo Sakamoto, Ayuko Kitajou, Masato Ito, Shigeto Okada

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Aqueous sodium-ion batteries have been proposed as an attractive alternative to large-scale energy storage in terms of safety and economic efficiency. We experimentally confirmed that the potential width of the practical electrochemical window of a highly concentrated aqueous NaClO₄ electrolyte had 2.8 V by using the method of cyclic voltammetry. This positive effect allowed the Na₂MnFe(CN)₆ cathode to operate reversibly at unusually higher potentials in highly concentrated aqueous electrolyte without any side reactions such as undesirable oxidation of water.

Original language	English
Pages (from-to)	6-9
Number of pages	4
Journal	Evergreen
Volume	4
Issue number	1
DOIs	https://doi.org/10.5109/1808305
Publication status	Published - 2017

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Surfaces, Coatings and Films
Management, Monitoring, Policy and Law

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abstract = "Aqueous sodium-ion batteries have been proposed as an attractive alternative to large-scale energy storage in terms of safety and economic efficiency. We experimentally confirmed that the potential width of the practical electrochemical window of a highly concentrated aqueous NaClO4 electrolyte had 2.8 V by using the method of cyclic voltammetry. This positive effect allowed the Na2MnFe(CN)6 cathode to operate reversibly at unusually higher potentials in highly concentrated aqueous electrolyte without any side reactions such as undesirable oxidation of water.",

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AU - Sakamoto, Ryo

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AU - Ito, Masato

AU - Okada, Shigeto

PY - 2017

Y1 - 2017

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AB - Aqueous sodium-ion batteries have been proposed as an attractive alternative to large-scale energy storage in terms of safety and economic efficiency. We experimentally confirmed that the potential width of the practical electrochemical window of a highly concentrated aqueous NaClO4 electrolyte had 2.8 V by using the method of cyclic voltammetry. This positive effect allowed the Na2MnFe(CN)6 cathode to operate reversibly at unusually higher potentials in highly concentrated aqueous electrolyte without any side reactions such as undesirable oxidation of water.

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Cathode properties of sodium manganese hexacyanoferrate in aqueous electrolyte

Abstract

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