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Abstract Here, we introduce a layered hollow sphere (LHS) architecture of iridium-decorated carbon electrode. The electrode was prepared by coating of a solution composed of graphene oxide (GO), IrCl3, and… Click to show full abstract
Abstract Here, we introduce a layered hollow sphere (LHS) architecture of iridium-decorated carbon electrode. The electrode was prepared by coating of a solution composed of graphene oxide (GO), IrCl3, and polystyrene bead followed by subsequent pyrolysis. The morphology of the electrode was investigated according to the composition of solution, and the electrocatalytic properties were characterized. The usage of GO highly enhanced the electrochemical surface area of the electrode (by ∼6 times). The LHS electrode also showed outstanding electrocatalytic properties: a current density of 89.99 mA/cm2 could be obtained at a potential of 1.6 V.
Journal Title: Carbon
Year Published: 2017
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