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Electrochemical Properties of Fe2O3/Ga2O3 Composite Electrodes for Lithium-Ion Batteries

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Abstract:

Fe2O3/Ga2O3 composite and GaFeO3 electrodes worked as rechargeable electrode materials for lithium-ion batteries, whereas their capacities were gradually decreased with increasing of cycle number. The initial Li insertion capacities (cut-off voltage: 0.01 V) were 1643 mAh/g for Fe2O3/Ga2O3 composite and 1196 mAh/g for GaFeO3, respectively. Despite same Fe/Ga atomic ratio, Fe2O3/Ga2O3 composite showed a higher capacity than that of GaFeO3 over the 50 cycles.

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Periodical:

Key Engineering Materials (Volume 566)

Pages:

119-122

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.566.119

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Online since:

July 2013

Authors:

Haruo Ishizaki, Norihito Kijima, Masashi Yoshinaga, Junji Akimoto

Keywords:

Fe2O3/Ga2O3 Composite, GaFeO3, Lithium-Ion Battery, α-Fe2O3, β-Ga2O3

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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