A new iron oxyfluoride cathode active material for Li-ion battery, Fe2OF4

Irina D. Gocheva; Ichiro Tanaka; Takayuki Doi; Shigeto Okada; Jun ichi Yamaki

doi:10.1016/j.elecom.2009.06.001

A new iron oxyfluoride cathode active material for Li-ion battery, Fe₂OF₄

Irina D. Gocheva, Ichiro Tanaka, Takayuki Doi, Shigeto Okada, Jun ichi Yamaki

Department of Advanced Device Materials

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

31 Citations (Scopus)

Abstract

The electrochemical properties of iron oxyfluoride of the Fe₂OF₄ type were investigated. The material exhibits a working potential at 3.0 V with a capacity of 200 mAh/g and cyclic reversibility in the range of 1.5-4.5 V. X-ray photoelectron spectroscopy (XPS) investigation of discharged material showed that iron was reduced to the divalent state. In this study, we report that Fe₂OF₄ material incorporates 1.4 Li per formula unit.

Original language	English
Pages (from-to)	1583-1585
Number of pages	3
Journal	Electrochemistry Communications
Volume	11
Issue number	8
DOIs	https://doi.org/10.1016/j.elecom.2009.06.001
Publication status	Published - Aug 2009

All Science Journal Classification (ASJC) codes

Electrochemistry

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10.1016/j.elecom.2009.06.001

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title = "A new iron oxyfluoride cathode active material for Li-ion battery, Fe2OF4",

abstract = "The electrochemical properties of iron oxyfluoride of the Fe2OF4 type were investigated. The material exhibits a working potential at 3.0 V with a capacity of 200 mAh/g and cyclic reversibility in the range of 1.5-4.5 V. X-ray photoelectron spectroscopy (XPS) investigation of discharged material showed that iron was reduced to the divalent state. In this study, we report that Fe2OF4 material incorporates 1.4 Li per formula unit.",

author = "Gocheva, {Irina D.} and Ichiro Tanaka and Takayuki Doi and Shigeto Okada and Yamaki, {Jun ichi}",

note = "Funding Information: Financial support from the Li-EAD project of the New Energy and Industrial Technology Development Organization (NEDO), Japan is gratefully acknowledged.",

year = "2009",

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doi = "10.1016/j.elecom.2009.06.001",

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journal = "Electrochemistry Communications",

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T1 - A new iron oxyfluoride cathode active material for Li-ion battery, Fe2OF4

AU - Gocheva, Irina D.

AU - Tanaka, Ichiro

AU - Doi, Takayuki

AU - Okada, Shigeto

AU - Yamaki, Jun ichi

N1 - Funding Information: Financial support from the Li-EAD project of the New Energy and Industrial Technology Development Organization (NEDO), Japan is gratefully acknowledged.

PY - 2009/8

Y1 - 2009/8

N2 - The electrochemical properties of iron oxyfluoride of the Fe2OF4 type were investigated. The material exhibits a working potential at 3.0 V with a capacity of 200 mAh/g and cyclic reversibility in the range of 1.5-4.5 V. X-ray photoelectron spectroscopy (XPS) investigation of discharged material showed that iron was reduced to the divalent state. In this study, we report that Fe2OF4 material incorporates 1.4 Li per formula unit.

AB - The electrochemical properties of iron oxyfluoride of the Fe2OF4 type were investigated. The material exhibits a working potential at 3.0 V with a capacity of 200 mAh/g and cyclic reversibility in the range of 1.5-4.5 V. X-ray photoelectron spectroscopy (XPS) investigation of discharged material showed that iron was reduced to the divalent state. In this study, we report that Fe2OF4 material incorporates 1.4 Li per formula unit.

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DO - 10.1016/j.elecom.2009.06.001

M3 - Article

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SP - 1583

EP - 1585

JO - Electrochemistry Communications

JF - Electrochemistry Communications

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ER -

A new iron oxyfluoride cathode active material for Li-ion battery, Fe₂OF₄

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