(Invited) X-Ray Absorption Spectroscopy: Investigations of the Interfacial Chemistry of Batteries at APS Beamline 9-BM

Abstract

As a beamline dedicated to the X-ray Absorption Spectroscopy, 9-BM is capable to cover very wide energy range (2145.5 eV P-K edge to 24350 eV Pd-K edge). In recent years more efforts have been devoted to the fields of catalysis and energy storage, focusing on catalysis for efficient conversion of energy resources into usable forms, and storage of such energy in efficient and safe capacitors. To understand and predict how catalysts and/or energy storage materials function, it’s very important to characterize the materials under actual reaction conditions (in-situ or operando). 9-BM has leveraged the advanced capabilities for in-situ catalysis and electrochemistry, as well as the ability to collect high quality spectroscopy data at a rapid rate (Quick EXAFS). Scientists using 9-BM are able to gain unique insight to how chemical processes affect and are affected by the materials under investigation. In this talk, the capabilities will be displayed with a few examples of the science enabled by them.