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|Author(s):||Daniel A. Fischer; Cole Petersburg; Robert Daniel; Cherno Jaye; Faisal Alamgir;|
|Title:||Soft X-ray Characterization Technique for Li Batteries under Operating Conditions|
|Published:||September 01, 2009|
|Abstract:||O K edge and Co L edge near edge X-ray absorption fine structure (NEXAFS) was used to examine the cathode of an intact solid-state lithium ion battery. The novel technique allowed for the simultaneous acquisition of partial electron yield and fluorescence yield data during the first charge cycle of a LiCoO2-based battery below the intercalation voltage. The chemical environments of oxygen and cobalt at the surface are shown to differ chemically from those in the bulk. The present design enables a wide variety of in situ spectroscopies, microscopies, and scattering techniques.|
|Citation:||Journal of Synchrotron Radiation|
|Pages:||pp. 610 - 615|
|Keywords:||NEXAFS, XANES, Li ion battery, in situ, LiCoO2|
|Research Areas:||Synchrotron Methods, Energy Conversion, Storage, and Transport|
|PDF version:||Click here to retrieve PDF version of paper (280KB)|