2018
DOI: 10.1002/celc.201800802
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An Insight on the Electrocatalytic Mechanistic Study of Pristine Ni MOF (BTC) in Alkaline Medium for Enhanced OER and UOR

Abstract: Hydrogen production plays a major role in technologies for renewable energy storage. Water and urea electrolysis (WE, UE) are promising processes in this regard. The oxygen evolution reaction (OER) and urea oxidation reaction (UOR), respectively, are limiting the efficiency of the overall process. As catalysts for these reactions, metal-organic frameworks (MOF) have gained increasing attention due to their combinations and co-existence of metal and organic moiety properties. Here, we investigated the catalyt… Show more

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Cited by 106 publications
(57 citation statements)
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References 94 publications
(233 reference statements)
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“…[24,25] In the case of Ni(OH) 2 deposited MS and C MS Ni(OH) 2 after OER cyclic sweep, peaks at 471 and 557 cm À 1 indicate the NiÀ O vibrations of Ni(OH) 2 /NiOOH. [10,26,27] In accordance with the surface morphology analysis, Raman spectroscopy measurements suggest the formation of Fe(OH) 2 /Fe(OOH) surface layer on the MS by the cathodic treatment in the alkaline solution (1 M KOH) and it is another evidence for the existence of electrodeposited Ni (OH) 2 on the MS and C MS Ni(OH) 2 after OER cyclic sweep. It may due to the interaction of surface modified Fe(OH) 2 /FeOOH and Ni(OH) 2 with each other.…”
Section: Physico-chemical Characteristicssupporting
confidence: 68%
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“…[24,25] In the case of Ni(OH) 2 deposited MS and C MS Ni(OH) 2 after OER cyclic sweep, peaks at 471 and 557 cm À 1 indicate the NiÀ O vibrations of Ni(OH) 2 /NiOOH. [10,26,27] In accordance with the surface morphology analysis, Raman spectroscopy measurements suggest the formation of Fe(OH) 2 /Fe(OOH) surface layer on the MS by the cathodic treatment in the alkaline solution (1 M KOH) and it is another evidence for the existence of electrodeposited Ni (OH) 2 on the MS and C MS Ni(OH) 2 after OER cyclic sweep. It may due to the interaction of surface modified Fe(OH) 2 /FeOOH and Ni(OH) 2 with each other.…”
Section: Physico-chemical Characteristicssupporting
confidence: 68%
“…Meanwhile, the observed redox peak potential shift in C MS Ni(OH) 2 as compared to MS Ni(OH) 2 is due to the interaction of Fe(OH) 2 /FeOOH with the Ni(OH) 2 . The higher observed redox peak current density and area under the redox peaks (directly proportional to the Faradic electrochemical active sites) for C MS Ni(OH) 2 shows its wealthy catalytic activity towards OER . To support the Faradaic electrochemical active sites, electrochemical active surface area (ECSA) was estimated through double layer capacitance ( C dl ; Δ j =| j a – j c |) measurements in the non‐Faradic region.…”
Section: Resultsmentioning
confidence: 99%
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