High-rate performance of a bacterial iron-oxide electrode material for lithium-ion battery

Ryo Sakuma, Hideki Hashimoto, Genki Kobayashi, Tatsuo Fujii, Makoto Nakanishi, Ryoji Kanno, Mikio Takano, Jun Takada

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Lithium-ion discharge/charge properties of a nanometric amorphous iron-based oxide material of bacterial origin, L-BIOX, in a voltage range of 1.5-4.0 V were studied. X-ray absorption fine structure measurements confirmed that Fe3+ Fe2+ reactions dominate in this voltage range. Cycle characteristics with a capacity exceeding 70 mAh/g at a current rate of 1670 mA/g are considerably higher than those achieved by known simple iron-oxides such as α-Fe2O3.

Original languageEnglish
Pages (from-to)414-417
Number of pages4
JournalMaterials Letters
Volume139
DOIs
Publication statusPublished - Jan 15 2015

Fingerprint

electrode materials
Iron oxides
iron oxides
electric batteries
lithium
Electrodes
X ray absorption
Electric potential
electric potential
Lithium
Oxides
ions
Iron
fine structure
Ions
iron
cycles
oxides
x rays
Lithium-ion batteries

Keywords

  • Biogenous iron oxides
  • Energy storage and conversion
  • Iron-oxidizing bacteria

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

High-rate performance of a bacterial iron-oxide electrode material for lithium-ion battery. / Sakuma, Ryo; Hashimoto, Hideki; Kobayashi, Genki; Fujii, Tatsuo; Nakanishi, Makoto; Kanno, Ryoji; Takano, Mikio; Takada, Jun.

In: Materials Letters, Vol. 139, 15.01.2015, p. 414-417.

Research output: Contribution to journalArticle

Sakuma, Ryo ; Hashimoto, Hideki ; Kobayashi, Genki ; Fujii, Tatsuo ; Nakanishi, Makoto ; Kanno, Ryoji ; Takano, Mikio ; Takada, Jun. / High-rate performance of a bacterial iron-oxide electrode material for lithium-ion battery. In: Materials Letters. 2015 ; Vol. 139. pp. 414-417.
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