Integrating a redox-coupled FeSe<sub>2</sub>/N–C photoelectrode into potassium ion hybrid capacitors for photoassisted charging
Ronghao Wang, Kaiwen Sun, Hongmin Liu, Chengfei Qian, Muhan Li, Yuhao Zhang, Weizhai Bao
Abstract
Energy-level-matched integrated photoelectrode with a 35.7% (∼0.05 eV) reduction in the reaction barrier based on electron–hole pair synergy under light irradiation, the as-prepared hybrid device achieves a capacitance of ∼123.9 W h kg −1 in 3 A g −1 .
Topics & Concepts
CapacitorRedoxCapacitanceIonIrradiationPotassiumOptoelectronicsMaterials scienceElectronChemistryPhotochemistryInorganic chemistryPhysicsElectrodePhysical chemistryVoltageMetallurgyOrganic chemistryQuantum mechanicsNuclear physicsAdvancements in Battery MaterialsAdvanced Battery Materials and TechnologiesAdvanced battery technologies research