Facile synthesis of mesoporous WS2 for water oxidation
2019
Abstract Mesoporous transition metal disulfide WS 2 are facilely grown on the Ni foam substrate with 3D nanoflowers morphology and large surface area. The as-obtained WS 2 /Ni exhibit high performances for water oxidation in 1.0 M NaOH solution, which are much superior to those of the state-of-the-art RuO 2 /Ni and previously reported oxygen evolution catalysts. The WS 2 /Ni electrocatalyst manifests the high performance, displaying a very low overpotential of 0.335 V at 20.0 mA cm −2 and much improved durability. The facile and controllable synthesis is promising for the rational design of electrocatalyst for the renewable energy conversion.
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