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Published on: August 17, 2016
Iodide-assisted energy-saving hydrogen production using self-supported sulfate ion-modified NiFe(oxy)hydroxide
Shraddha Paniya1, Asmita Dileep Gaonkar1, Kiran Vankayala1
1Functional Materials for Electrochemistry and Solar Energy (FunMatES) Group, Energy and Environmental Chemistry Lab, Department of Chemistry, Birla Institute of Technology and Science, Pilani, K K Birla Goa Campus, Goa, 403726, India. kiranv@goa.bits-pilani.ac.in.
Abstract:
Hybrid water electrolysis (HyWES) with iodide oxidation as non-OER for energy-saving H2 production is demonstrated using self-supported sulfate ion modified Ni,Fe(oxy)hydroxide as the anode. The sulfate ions adsorbed on the catalyst show a promoting effect in achieving high electrochemical activity. The HyWES requires a voltage as low as 1.36 V to achieve the bechmark current density of 10 mA cm-2.
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