Application of Synchrotron Radiation Based Electrochemical In-Situ Techniques to Study of Electrode Materials for Lithium-Ion Batteries

Due to its merits of high brightness and high intensity, high level of polarization and wide tunability in energy, etc., synchrotron radiation technique provides an unique platform for analysis of the relationship among composition-structure- performance of materials for lithium ion batteries, especially for in-situ, real time dynamic investigation of the electrochemical reaction mechanism, aging process and failure mechanism during charge-discharge cycling. In this paper, we review the latest developments in application of synchrotron based electrochemical in-situ experimental methods to studies of lithium ion batteries. The paper mainly focuses on the application of electrochemical in-situ XRD and XAFS techniques to the investigations of material structure evolution, charge compensation mechanism and reaction kinetics of batteries during charge-discharge cycling.