Table of Contents
Condens. Matter, Volume 4, Issue 1 (March 2019) – 34 articles
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Cover Story (view full-size image) Realizing reversible reduction–oxidation (redox) reactions of lattice oxygen in batteries is a [...] Read more. Realizing reversible reduction–oxidation (redox) reactions of lattice oxygen in batteries is a promising way to improve their energy and power density. While conventional oxygen absorption spectroscopy fails to distinguish the critical oxygen chemistry in oxide-based battery electrodes, high-efficiency full-range mapping of resonant inelastic X-ray scattering (mRIXS) has been developed as a reliable probe of oxygen redox reactions. Here, we provide a comprehensive analysis and an explicit interpretation of the five evolving components of O-K mRIXS of the typical battery electrode that involves lattice oxygen redox reaction upon cycling. This work is the first benchmark for a complete assignment of all the important mRIXS features collected from battery materials, and thus delivers guidelines for future studies on the characterization, analysis, and theoretical calculation for probing and understanding oxygen redox reactions. View this pape