Engineering a well-connected ion-conduction network and interface chemistry for high-performance PVDF-based polymer-in-salt electrolytes
Xiaodan Li, Yucheng Wang, Qingfeng Zhou, Hongxiang Kuai, Chuang Ji, Xunhui Xiong
Abstract
We incorporate HFA into PVDF-based polymer-in-salt solid electrolyte to form n-AGGs with continuous Li-ion transport path and a LiF-rich SEI, enhancing both ionic conductivity and stability. NCM622‖Li cells stably operate over 600 cycles at 0.2C.
Topics & Concepts
ElectrolyteIonic conductivitySalt (chemistry)ConductivityPolymerPolymer electrolytesIonChemical engineeringInterface (matter)Materials scienceIonic bondingThermal conductionFast ion conductorIon transporterPolymer chemistryChemistryComposite materialOrganic chemistryEngineeringElectrodePhysical chemistryCapillary numberCapillary actionAdvanced Battery Materials and TechnologiesAdvancements in Battery MaterialsAdvanced battery technologies research