Electrochemical Mg2+ intercalation into a bimetallic CuFe Prussian blue analog in aqueous electrolytes

Yoshifumi Mizuno; Masashi Okubo; Eiji Hosono; Tetsuichi Kudo; Katsuyoshi Oh-ishi; Atsushi Okazawa; Norimichi Kojima; Ryosuke Kurono; Shin-ichi Nishimura; Atsuo Yamada

doi:10.1039/C3TA13205F

Electrochemical Mg²⁺ intercalation into a bimetallic CuFe Prussian blue analog in aqueous electrolytes†

Yoshifumi Mizuno,^ab Masashi Okubo,*^ac Eiji Hosono,^a Tetsuichi Kudo,^a Katsuyoshi Oh-ishi,^b Atsushi Okazawa,^d Norimichi Kojima,^d Ryosuke Kurono,^c Shin-ichi Nishimura^c and Atsuo Yamada^c

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^a National Institute of Advanced Industrial Science (AIST), Umezono 1-1-1, Tsukuba, Japan
E-mail: m-okubo@aist.go.jp
Fax: +81-29-861-3489
Tel: +81-29-861-3489

^b Department of Applied Chemistry, Chuo University, Kasuga 1-13-27, Bunkyo-ku, Tokyo 112-8551, Japan

^c Department of Chemical System Engineering, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-8656, Japan

^d Graduate School of Arts and Sciences, The University of Tokyo, Komaba 3-8-1, Meguro-ku, Tokyo 153-8902, Japan

Abstract

Mg²⁺ intercalation/deintercalation is achieved by using aqueous electrolytes and Prussian blue analog electrodes. Ex situ X-ray diffraction evidenced the solid solution process of Mg²⁺ intercalation/deintercalation, while the ⁵⁷Fe Mössbauer spectroscopy and X-ray absorption near edge structure revealed redox of both Cu and Fe.

Journal of Materials Chemistry A

Electrochemical Mg²⁺ intercalation into a bimetallic CuFe Prussian blue analog in aqueous electrolytes†

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Electrochemical Mg²⁺ intercalation into a bimetallic CuFe Prussian blue analog in aqueous electrolytes

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Journal of Materials Chemistry A