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Publication Citation: Soft X-ray Characterization Technique for Li Batteries under Operating Conditions

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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
Volume: 16
Pages: pp. 610 - 615
Keywords: NEXAFS; XANES; Li ion battery; in situ; LiCoO2
Research Areas: Synchrotron Methods, Energy Conversion, Storage, and Transport
PDF version: PDF Document Click here to retrieve PDF version of paper (280KB)