Regulation of the cathode inner Helmholtz plane in dilute ether electrolytes using an electric-field-responsive solvent for high-voltage lithium metal batteries
Junru Wu, Ziyao Gao, Zhiqiang Fu, Lili Lin, Xianshu Wang, Yun Zhao, Yun Zhao, Lele Peng, Feiyu Kang, Zhenyu Guo, Maria‐Magdalena Titirici, Yunlong Zhao, Yunlong Zhao, Xiulin Fan, Baohua Li
Abstract
Herein, we demonstrate that the battery intrinsic electric field drives the specific adsorption of a weakly solvated co-solvent, DTS, to replace conventional DME in the IHP, enabling the desirable CEI chemistry on the 4.6 V LiCoO 2 cathode.
Topics & Concepts
CathodeLithium metalElectrolyteLithium (medication)Electric fieldSolventHelmholtz free energyEtherVoltageMaterials sciencePlane (geometry)Inorganic chemistryChemistryElectrical engineeringOrganic chemistryPhysicsElectrodeThermodynamicsPhysical chemistryEngineeringMathematicsGeometryQuantum mechanicsMedicineEndocrinologyAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies ResearchAdvancements in Battery Materials