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Electrochemical Behavior of LiFePO4 in Aqueous Lithium Hydroxide Electrolyte

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Abstract:

The electrochemistry of olivine-type iron phosphate (FePO4) as a battery cathode material, in aqueous lithium hydroxide (LiOH), has been investigated. The material forms intercalated LiFePO4 reversibly on electroreduction/oxidation. The formation of Fe3O4 phase, in addition to the regeneration of FePO4 during reverse oxidation of LiFePO4, also occurs. In this regard, the mechanism of FePO4 discharge/charge in aqueous LiOH differs from that in non-aqueous solvents.

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Periodical:

Key Engineering Materials (Volume 320)

Pages:

271-274

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.320.271

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Online since:

September 2006

Authors:

Minakshi Manickam, Pritam Singh, Touma B. Issa, Stephen Thurgate, Kathryn Prince

Keywords:

Aqueous Solution, Electrochemistry, Iron Phosphate, Lithium Insertion, Olivine, Oxidation, Reduction

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

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DOI: 10.1016/s0378-7753(01)00631-0

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[2] Minakshi Manickam, Pritam Singh, Touma B. Issa, Stephen Thurgate, Kathryn Prince, J. Power Sources (in press) (2005).

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