Journal
VIBRATIONAL SPECTROSCOPY
Volume 53, Issue 1, Pages 60-63Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.vibspec.2010.01.004
Keywords
Lithium-ion battery; 20 correlation spectroscopy; Electrode-electrolyte interface; LiCoO2/Li; Charge-discharge process; High voltage
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In this study, we demonstrated the surface reaction in a LiCoO2/Li cell under high voltage condition and characterization of the composition and properties of electrode-electrolyte interface by 2D correlation analysis. 2D Raman correlation spectra revealed that the extraction of Li+ leads to the formation of surface components including Li2O and Co3O4 and structural distortion in hexagonal LiCoO2 structure. (C) 2010 Elsevier B.V. All rights reserved.
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