Apr 16, 2014 · We report electrochemical, in situ electrical, photoelectron spectroscopy, and X-ray diffraction measurements on Ni 1–x Fe x (OH) 2 /Ni 1–x Fe x OOH thin films to investigate the changes in electronic properties, OER activity, and structure as a result of Fe inclusion.

May 29, 2020 · In this study, we investigate the effect of K 2 FeO 4, as a new and soluble Fe salt at alkaline conditions, on oxygen-evolution reaction (OER) of Ni oxide. Both oxidation and reduction peaks for...

Aug 13, 2020 · Here, we show subtle engineering of highly oxidized Ni 4+ species in surface reconstructed (oxy)hydroxides on multicomponent FeCoCrNi alloy film through interatomically electronic interplay.

Mar 1, 2025 · Nickel-based catalysts have emerged as crucial components in alkaline oxygen evolution reactions (OER) due to their exceptional catalytic performance and unique structural properties. However, the understanding of their catalytic mechanisms remains incomplete.

Jan 1, 2021 · Oxygen evolution reaction (OER) is a significant half-reaction in varied energy conversion devices. Ni-based layered double hydroxides (LDHs) have attracted immense attention recently for OER. Herein, we have provided a comprehensive overview of the recent development of the Ni-based LDHs for OER.

Dec 2, 2020 · Efficient oxygen evolution reaction (OER) electrocatalysts are pivotal for sustainable fuel production, where the Ni-Fe oxyhydroxide (OOH) is among the most active catalysts for alkaline...

Nov 11, 2024 · Ni-based catalysts with Co or Fe can potentially replace precious Ir-based catalysts for the rate-limiting oxygen evolution reaction (OER) in anion-exchange membrane (AEM) electrolyzers.

2 days ago · Pushing the limits of the layers: completely delaminated α-Ni(OH) 2 – an enhanced electrocatalyst for the OER P. Pathmanathan, A. Sivanesan and A. Gomathi, Sustainable Energy Fuels, 2025, Advance Article , DOI: 10.1039/D5SE00267B

A microimpinging stream reactor is constructed for the scale-up synthesis of amorphous Ni–Fe tungstate as an OER electrocatalyst, which delivers a small overpotential of 235 mV at 10 mA cm −2 and good stability for 110 h operation at 290 mA cm −2. Download: Download high-res image (837KB) Download: Download full-size image

Nickel oxyhydroxide (NiOOH) is significantly outstanding as an OER catalyst than other Ni-based materials including nickel oxalate (NiC 2 O 4), owing to the superior ionic intercalation of OH − ions and its larger interplanar distance.