Semi-interpenetrating network polymer electrolytes with increased mechanical robustness and ionic conductivity for stable lithium metal batteries
Zewen Sun, Shiyi Wang, Xiaoyun Zhan, Xinhai Yuan, Lili Liu, Lijun Fu, Yuhui Chen, Yuan Ma, Tao Wang, Yuping Wu
Abstract
A semi-IPN gel polymer electrolyte (CP-PE) with a PE skeleton is developed via crosslinked PEGDA. It exhibits excellent stability, enabling a Li|CP-PE|LiFePO 4 cell to maintain 96.2% capacity retention and 99.9% CE over 500 cycles at 0.5C.
Topics & Concepts
Materials scienceElectrolyteIonic conductivityLithium metalPolymerChemical engineeringConductivityMetalPolymer electrolytesElectrodeComposite materialRobustness (evolution)Electrical resistivity and conductivityLithium (medication)Ionic bondingPolymer networkComposite numberAdvanced Battery Materials and TechnologiesFuel Cells and Related MaterialsConducting polymers and applications