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Electrochemical impedance characterization of FeSn 2 electrodes for Li-ion batteries

Electrochemical impedance characterization of FeSn 2 electrodes for Li-ion batteries,10.1016/j.electacta.2011.05.069,Electrochimica Acta,M. Chamas,P.

Electrochemical impedance characterization of FeSn 2 electrodes for Li-ion batteries  
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This work reports the electrochemical characterization of a micro-scale FeSn2 electrode in a lithium battery. The electrode is proposed as anode material for advanced lithium ion batteries due to its characteristics of high capacity (500mAhg−1) and low working voltage (0.6V vs. Li). The electrochemical alloying process is studied by cyclic voltammetry and galvanostatic cycling while the interfacial properties are investigated by electrochemical impedance spectroscopy. The impedance measurements in combination with the galvanostatic cycling tests reveal relatively low overall impedance values and good electrochemical performance for the electrode, both in terms of delivered capacity and cycling stability, even at the higher C-rate regimes.
Journal: Electrochimica Acta - ELECTROCHIM ACTA , vol. 56, no. 19, pp. 6732-6736, 2011
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