title: Changes in electronic structure by Li ion deintercalation in LiCoO2 from cobalt L-edge and oxygen K-edge XANES.
abstract: Cobalt L-edge and oxygen K-edge X-ray Absorption Near Edge Structure (XANES) investigated change in electronic structure by electrochemical lithium ion de-intercalation in LiCoO2. The Co L-edge XANES of Li(1-x)CoO2 did not show any chemical shift even at high x value. The oxygen K-edge XANES of Li(1-x)CoO2 indicated that the holes compensating the lithium ion deintercalation are located primarily in the oxygen 2p states rather than in the Co 3d states.
authors.affiliation: Department of Fundamental Energy Science, Graduate School of Energy Science, Kyoto University, Japan. yuchimot@o.cc.titech.ac.jp
authors.forename: Y
authors.initials: Y
authors.lastname: Uchimoto
authors.forename: H
authors.initials: H
authors.lastname: Sawada
authors.forename: T
authors.initials: T
authors.lastname: Yao