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Electrochemical Kinetic Study of LiFePO4 Using Cavity Microelectrode

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jan 2011 France Publisher:The Electrochemical SocietyJournal:Journal of The Electrochemical Society, volume 158, page A1090 (issn: 0013-4651,

Authors: Come, Jérémy; Taberna, Pierre-Louis; Hamelet, Stephane; Masquelier, Christian; Simon, Patrice;

doi: 10.1149/1.3619791

Electrochemical Kinetic Study of LiFePO4 Using Cavity Microelectrode

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Abstract

Lithium cation insertion and extraction in LiFePO4 were electrochemically studied with a cavity microelectrode (CME). Cyclic voltammetry measurements were used to characterize the kinetics of the material. LiFePO4 was successfully cycled from 0.1 mV s–1 up to 1 V s–1 and is therefore a suitable material to be used in high power applications, such as asymmetric hybrid supercapacitors. Several kinetic behaviors were observed depending on the sweep rate. The LiFePO4 was found to follow different kinetics behaviors depending of the sweep rate. The charge storage mechanisms were investigated for Liþ extraction/insertion.

Country

France

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Keywords

[CHIM.MATE] Chemical Sciences/Material chemistry, Matériaux, Lithium compounds, [CHIM.MATE]Chemical Sciences/Material chemistry, 540, Iron compounds, MATE] Chimie/Matériaux [[CHIM], MATE] Chemical Sciences/Material chemistry [[CHIM], Positive ions, [ CHIM.MATE ] Chemical Sciences/Material chemistry, Voltammetry (chemical analysis), Microelectrodes

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	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%