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Elsevier, Journal of Power Sources, 11(195), p. 3655-3660

DOI: 10.1016/j.jpowsour.2009.12.034

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Surface Structural Disordering in Graphite upon Lithium Intercalation/Deintercalation

Journal article published in 2010 by Vijay A. Sethuraman, Laurence J. Hardwick ORCID, Venkat Srinivasan, Robert Kostecki
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We report on the origin of the surface structural disordering in graphite anodes induced by lithium intercalation and deintercalation processes. Average Raman spectra of graphitic anodes reveal that cycling at potentials that correspond to low lithium concentrations in LixC (0 ≤ x 0.33) are present. Electrochemical impedance spectra show larger interfacial impedance for the electrodes that were fully delithiated during cycling as compared to electrodes that were cycled at lower potentials (U