Biaxially oriented films of grafted-polypropylene with giant energy density and high efficiency at 125 °C
Junluo Li, Shaojie Wang, Yujie Zhu, Zhen Luo, Yaru Zhang, Qing Shao, Hui Quan, Mingti Wang, Shixun Hu, Mingcong Yang, Jing Fu, Rui Wang, Jun Hu, Yuan Hao, Jinliang He, Qi Li
Abstract
A scalable high-temperature capacitor film based on grafted polypropylene is synthesized by a water-solid phase suspension grafting method, exhibiting a discharged energy density above 90% efficiency of 4.5 J cm −3 at 125 °C after biaxial stretching.
Topics & Concepts
PolypropyleneMaterials scienceGraftingSuspension (topology)CapacitorComposite materialEnergy densityPhase (matter)Chemical engineeringVoltagePolymerEngineering physicsElectrical engineeringChemistryPhysicsOrganic chemistryHomotopyEngineeringMathematicsPure mathematicsDielectric materials and actuatorsAdvanced Sensor and Energy Harvesting MaterialsElectromagnetic wave absorption materials