Anionic redox reactions and structural degradation in a cation-disordered rock-salt Li<sub>1.2</sub>Ti<sub>0.4</sub>Mn<sub>0.4</sub>O<sub>2</sub> cathode material revealed by solid-state NMR and EPR
Fushan Geng, Bei Hu, Bei Hu, Chao Li, Chong Zhao, Olivier Lafon, Julien Trébosc, Jean‐Paul Amoureux, Ming Shen, Bingwen Hu, Bingwen Hu
Abstract
The cation-disordered rock-salt Li<sub>1.2</sub>Ti<sub>0.4</sub>Mn<sub>0.4</sub>O<sub>2</sub> is studied by solid-state NMR and electron paramagnetic resonance (EPR) spectroscopy during the first cycle. The anionic redox and structural degradation mechanism are discussed.
Topics & Concepts
Electron paramagnetic resonanceRedoxSalt (chemistry)ManganeseSpectroscopyCrystallographyChemistryInorganic chemistryParamagnetismCathodeOxidation stateDegradation (telecommunications)Materials scienceAnalytical Chemistry (journal)Nuclear magnetic resonancePhysical chemistryMetalCondensed matter physicsPhysicsOrganic chemistryChromatographyTelecommunicationsComputer scienceQuantum mechanicsAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced NMR Techniques and Applications