Completely suppressed high-voltage phase transition of P2/O3-Na<sub>0.7</sub>Li<sub>0.1</sub>Ni<sub>0.1</sub>Fe<sub>0.2</sub>Mn<sub>0.6</sub>O<sub>2</sub><i>via</i>Li/Ni co-doping for sodium storage
Yunpeng Wang, Mengmeng Yan, Kang Xu, Yuxin Chang, Jin Guo, Qinghua Wang, Bin Wang, Duan Wang, Ya‐Xia Yin, Sailong Xu
Abstract
A novel P2/O3-Na 0.7 Li 0.1 Ni 0.1 Fe 0.2 Mn 0.6 O 2 cathode is prepared via Li/Ni co-doping, and delivers attractive cycling and rate performances due to the high Na + diffusion coefficient and the complete suppression of the high-voltage P2–Z phase transition.
Topics & Concepts
CathodeAnalytical Chemistry (journal)DopingMaterials scienceDiffusionPhase (matter)Transition metalManganesePhase transitionCrystallographyChemistryMetallurgyPhysical chemistryCondensed matter physicsPhysicsThermodynamicsOptoelectronicsBiochemistryCatalysisOrganic chemistryChromatographyAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesFerroelectric and Piezoelectric Materials