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 journalArticle

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 languageEnglish
Article number80
JournalHyperfine Interactions
Volume240
Issue number1
DOIs
Publication statusPublished - Dec 1 2019

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iron oxides
electric batteries
lithium
Electrodes
electrodes
Ions
ions
cells
Lithium
Oxides
Anodes
anodes
Iron
Spectroscopy
iron
oxides
Electric potential
electric potential
spectroscopy
ferric oxide

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

Cite this

In situ Mössbauer analysis of bacterial iron-oxide nano-particles for lithium-ion battery. / Sakuma, Ryo; Hashimoto, Hideki; Fujii, Tatsuo; Takada, Jun; Hayashi, Naoaki; Takano, Mikio.

In: Hyperfine Interactions, Vol. 240, No. 1, 80, 01.12.2019.

Research output: Contribution to journalArticle

Sakuma, Ryo ; Hashimoto, Hideki ; Fujii, Tatsuo ; Takada, Jun ; Hayashi, Naoaki ; Takano, Mikio. / In situ Mössbauer analysis of bacterial iron-oxide nano-particles for lithium-ion battery. In: Hyperfine Interactions. 2019 ; Vol. 240, No. 1.
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