Single crystal Ni-rich layered cathodes enabling superior performance in all-solid-state batteries with PEO-based solid electrolytes
Maoyi Yi, Jie Li, Xinming Fan, Maohui Bai, Zhi Zhang, Bo Hong, Zhian Zhang, Guorong Hu, Huai Jiang, Yanqing Lai
Abstract
Single-crystal Ni-rich cathodes in ASSBs with PEO-based electrolytes show higher Li<sup>+</sup> diffusion coefficients, higher specific capacities, and more stable cycling performances relative to polycrystalline cathodes. This is due to the lack of grain boundaries in the structure.
Topics & Concepts
ElectrolyteMaterials scienceCathodeCrystalliteSolid-stateGrain boundarySolid solutionFast ion conductorDiffusionChemical engineeringElectrodeMicrostructureMetallurgyChemistryPhysical chemistryThermodynamicsPhysicsEngineeringAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research