In situ Mössbauer analysis of bacterial iron-oxide nano-particles for lithium-ion battery

Ryo Sakuma; Hideki Hashimoto; Tatsuo Fujii; Jun Takada; Naoaki Hayashi; Mikio Takano

doi:10.1007/s10751-019-1639-y

In situ Mössbauer analysis of bacterial iron-oxide nano-particles for lithium-ion battery

Ryo Sakuma, Hideki Hashimoto, Tatsuo Fujii, Jun Takada, Naoaki Hayashi, Mikio Takano

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

3 Citations (Scopus)

Abstract

Nanometric amorphous iron-based oxides of bacterial origin show a great potential as an Fe³⁺/Fe⁰ conversion anode material for lithium-ion batteries. By means of in situ Mössbauer spectroscopy, chemical states of Fe ions were examined under the discharge-charge process of the bacterial iron-oxide electrode in a lithium-ion half-cell. As for the first discharge process, the successive reduction of Fe³⁺ → Fe²⁺ → Fe⁰ occurred in the electrode as a function of the cell voltage. While on the charge process, Fe⁰ in the electrode was oxidized directly to Fe³⁺ without going through Fe²⁺.

Original language	English
Article number	80
Journal	Hyperfine Interactions
Volume	240
Issue number	1
DOIs	https://doi.org/10.1007/s10751-019-1639-y
Publication status	Published - Dec 1 2019

Keywords

Biogenous iron oxides
Conversion electrode
Li-ion battery
Mössbauer spectroscopy

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Condensed Matter Physics
Physical and Theoretical Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1007/s10751-019-1639-y

Cite this

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title = "In situ M{\"o}ssbauer analysis of bacterial iron-oxide nano-particles for lithium-ion battery",

abstract = "Nanometric amorphous iron-based oxides of bacterial origin show a great potential as an Fe3+/Fe0 conversion anode material for lithium-ion batteries. By means of in situ M{\"o}ssbauer spectroscopy, chemical states of Fe ions were examined under the discharge-charge process of the bacterial iron-oxide electrode in a lithium-ion half-cell. As for the first discharge process, the successive reduction of Fe3+ → Fe2+ → Fe0 occurred in the electrode as a function of the cell voltage. While on the charge process, Fe0 in the electrode was oxidized directly to Fe3+ without going through Fe2+.",

keywords = "Biogenous iron oxides, Conversion electrode, Li-ion battery, M{\"o}ssbauer spectroscopy",

author = "Ryo Sakuma and Hideki Hashimoto and Tatsuo Fujii and Jun Takada and Naoaki Hayashi and Mikio Takano",

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T1 - In situ Mössbauer analysis of bacterial iron-oxide nano-particles for lithium-ion battery

AU - Sakuma, Ryo

AU - Hashimoto, Hideki

AU - Fujii, Tatsuo

AU - Takada, Jun

AU - Hayashi, Naoaki

AU - Takano, Mikio

PY - 2019/12/1

Y1 - 2019/12/1

N2 - Nanometric amorphous iron-based oxides of bacterial origin show a great potential as an Fe3+/Fe0 conversion anode material for lithium-ion batteries. By means of in situ Mössbauer spectroscopy, chemical states of Fe ions were examined under the discharge-charge process of the bacterial iron-oxide electrode in a lithium-ion half-cell. As for the first discharge process, the successive reduction of Fe3+ → Fe2+ → Fe0 occurred in the electrode as a function of the cell voltage. While on the charge process, Fe0 in the electrode was oxidized directly to Fe3+ without going through Fe2+.

AB - Nanometric amorphous iron-based oxides of bacterial origin show a great potential as an Fe3+/Fe0 conversion anode material for lithium-ion batteries. By means of in situ Mössbauer spectroscopy, chemical states of Fe ions were examined under the discharge-charge process of the bacterial iron-oxide electrode in a lithium-ion half-cell. As for the first discharge process, the successive reduction of Fe3+ → Fe2+ → Fe0 occurred in the electrode as a function of the cell voltage. While on the charge process, Fe0 in the electrode was oxidized directly to Fe3+ without going through Fe2+.

KW - Biogenous iron oxides

KW - Conversion electrode

KW - Li-ion battery

KW - Mössbauer spectroscopy

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In situ Mössbauer analysis of bacterial iron-oxide nano-particles for lithium-ion battery

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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