Publication | Open Access
Differential Capacity of the Double-Layer Formed at a Solid Electrode (Pt, Au)/Ionic Liquid Interface
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2007
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EngineeringElectrode-electrolyte InterfaceChemistryDifferential CapacityChemical EngineeringIonic LiquidsAnalytical ChemistryInterfacial ChemistryElectrochemical InterfaceMaterials ScienceSolid-state IonicDeep Eutectic SolventDouble-layer FormedElectrochemistrySolid ElectrodeNatural SciencesSurface ScienceApplied PhysicsIonic ConductorDouble Layer Capacity
The differential capacity at the electrode (Pt, Au)/ionic liquid interface of 18 ionic liquids (ILs), was measured applying chronoamperometry. The measurements were done by a two electrode system. The double layer capacity at the Pt/IL and Au/IL interface was 1 - 8 μF/cm 2 . The capacity, estimated from the impedance measurements, was approximately constant within a potential range of ca. 3 V.