Fluorine-rich modification of self-extinguishable lithium-ion battery separators using cross-linking networks of chemically functionalized PVDF terpolymers for highly enhanced electrolyte affinity and thermal–mechanical stability
Jae-Won Park, Young Je Kwon, Jeongsik Yun, Ji Woo Bae, Min Jeong Lee, Kaiyun Zhang, Se‐Hun Kim, Kang‐Jun Baeg, Jin Hong Lee, Kie Yong Cho
Abstract
Thermal instability of polypropylene separators (PPSs) threatens the safe battery operation. A double bond-containing polyvinylidene fluoride (DPVDF)-coated PPS (DPS) and the subsequent crosslinking (DPSX) demonstrate an instant fire extinguishing feature and high thermal stability.
Topics & Concepts
Polyvinylidene fluorideThermal stabilityElectrolyteMaterials scienceBattery (electricity)Lithium-ion batteryPolypropyleneLithium batteryFluorideLithium (medication)Chemical engineeringPolymer chemistryIonic bondingIonComposite materialPolymerChemistryOrganic chemistryInorganic chemistryElectrodePower (physics)Quantum mechanicsEndocrinologyPhysical chemistryMedicineEngineeringPhysicsAdvanced Battery Materials and TechnologiesAdvanced Sensor and Energy Harvesting MaterialsAdvanced Battery Technologies Research