First-Principles Study on the Stabilization of P2-Na2/3Ni1/3Mn2/3O2 by Lithium Doping
Abstract
Lithium doping can effectively mitigate the rapid capacity fade of layered oxide cathode materials for sodium-ion batteries, but the underlying mechanism remains unclear. In this study, by using first-principles calculations, we systematically investigate Li doping effects on the phase transition and surface properties of P2-NaxNi1/3Mn2/3O2 (0 < x < 1)
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