A multi-interface CoNi-SP/C heterostructure for quasi-solid-state hybrid supercapacitors with a graphene oxide-containing hydrogel electrolyte
Zixiao Li, Chenchen Ji, Fengjiao Guo, Hongyu Mi, Xiaoqing Zhu, Jieshan Qiu
Abstract
A quasi-solid-state HSC was assembled by a reasonable multi-phase hybrid material and a novel high ionic conductivity hydrogel electrolyte, which exhibited excellent energy/power density (55.6 W h kg −1 /8293.3 W kg −1 ) and long lifespan of 10 000 cycles.
Topics & Concepts
SupercapacitorElectrolyteGrapheneMaterials scienceOxideHeterojunctionChemical engineeringIonic conductivityIonic bondingConductivityPower densityPhase (matter)Solid-stateQuasi-solidEnergy densityNanotechnologyOptoelectronicsElectrochemistryChemistryPower (physics)ElectrodeIonPhysical chemistryEngineering physicsOrganic chemistryMetallurgyQuantum mechanicsDye-sensitized solar cellPhysicsEngineeringSupercapacitor Materials and FabricationAdvancements in Battery MaterialsAdvanced battery technologies research