Reconstruction of LiF-rich interphases through an anti-freezing electrolyte for ultralow-temperature LiCoO<sub>2</sub> batteries
Jipeng Liu, Botao Yuan, Niandong He, Liwei Dong, Dongjiang Chen, Shijie Zhong, Yuanpeng Ji, Jiecai Han, Chunhui Yang, Yuanpeng Liu, Weidong He
Abstract
With iso-butyl formate (IF) as anti-freezing agent, a fluorine–sulfur electrolyte is designed to achieve low coordination number, high desolvation energy and stable LiF-rich interphase, and enables the stable operation of an electric fan at −70 °C.
Topics & Concepts
ElectrolyteInterphaseFormateMaterials scienceChemical engineeringFluorineSulfurInorganic chemistryChemistryElectrodeMetallurgyOrganic chemistryPhysical chemistryCatalysisBiologyEngineeringGeneticsAdvanced Battery Materials and TechnologiesAdvancements in Battery MaterialsInorganic Fluorides and Related Compounds