Enabling interfacial stability of LiCoO<sub>2</sub> batteries at an ultrahigh cutoff voltage ≥ 4.65 V <i>via</i> a synergetic electrolyte strategy
Ang Fu, Chuanjing Xu, Jiande Lin, Yu Su, Haitang Zhang, De‐Yin Wu, Xiaozheng Zhang, Meng Xia, Zhongru Zhang, Jianming Zheng, Yong Yang
Abstract
A 3-dimethylmaleic anhydride (DMMA) additive is proposed to reconcile CEIs, and H 2 O/HF in electrolytes is well scavenged. Moreover, a synergetic electrolyte strategy is applied to push the cutoff voltage of LiCoO 2 batteries up to 4.7 V.
Topics & Concepts
ElectrolyteCutoffMaterials scienceVoltageChemical engineeringNanotechnologyChemistryElectrodeElectrical engineeringPhysicsPhysical chemistryEngineeringQuantum mechanicsAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced Battery Technologies Research