Local coordination and migration-network topology shape Li-ion transport and delithiation in the low-energy ɛ-LiMnO2 polymorph
In rocksalt-derived oxide cathodes, the local Li-migration environment around an O 4 tetrahedral intermediate is commonly classified by the number of face-sharing transition-metal (TM) neighbors. In LiMnO 2 , the TM species is Mn, and 0-TM denotes the absence of face-sharing Mn neighbors. However, migration and delithi...