Ammonium ion pre-intercalation stabilized tunnel <i>h</i>-WO<sub>3</sub> for fast NH<sub>4</sub><sup>+</sup> storage
Qiang Chen, Mengda Song, Xiangyong Zhang, Jianli Zhang, Guangya Hou, Yiping Tang
Abstract
We report a pre-intercalated NH 4 + stabilized tunnel h -WO 3 anode for an ammonium-ion hybrid supercapacitor (A-HSC). The A-HSC delivers an ultra-high areal capacitance (2239.7 mF cm −2 ), areal energy density (1010.1 μWh cm −2 ), and decent durability.
Topics & Concepts
SupercapacitorIntercalation (chemistry)AnodeAmmoniumIonMaterials scienceCapacitanceEnergy storageChemical engineeringNanotechnologyInorganic chemistryChemistryPhysicsPhysical chemistryElectrodeOrganic chemistryThermodynamicsPower (physics)EngineeringSupercapacitor Materials and FabricationAdvancements in Battery MaterialsAdvanced battery technologies research