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Syntheses and Characterization of Lithium Alkyl Mono- and Dicarbonates as Components of Surface Films in Li-Ion Batteries

2006; American Chemical Society; Volume: 110; Issue: 15 Linguagem: Inglês

10.1021/jp0601522

1520-6106

Kang Xu, Guorong V. Zhuang, Jan L. Allen, Unchul Lee, Sheng S. Zhang, Philip N. Ross, T. Richard Jow,

Extraction and Separation Processes

A homologous series of lithium alkyl mono- and dicarbonate salts was synthesized as model reference compounds for the frequently proposed components constituting the electrolyte/electrode interface in Li-ion batteries. The physicochemical characterization of these reference compounds in the bulk state using thermal analyses and X-ray photoelectron, nuclear magnetic resonance, and Fourier transform infrared spectroscopies establishes a reliable database of comparison for the studies on the surface chemistry of electrodes harvested from Li-ion cells.