Formation and Stabilization of NiOOH by Introducing α‐FeOOH in LDH: Composite Electrocatalyst for Oxygen Evolution and Urea Oxidation Reactions
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202209338
Abstract: NiOOH is considered as the most active intermediate during electrochemical oxidation reaction, however, it is hard to directly synthesize due to high oxidation energy. Herein, theoretical calculations predict that α‐FeOOH enables a decline in formation… read more here.
Keywords: oxidation; oxygen evolution; stabilization niooh; energy ... See more keywords
Ni‐Doped CuO Nanoarrays Activate Urea Adsorption and Stabilizes Reaction Intermediates to Achieve High‐Performance Urea Oxidation Catalysts
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202204800
Abstract: Urea oxidation reaction (UOR) with a low equilibrium potential offers a promising route to replace the oxygen evolution reaction for energy‐saving hydrogen generation. However, the overpotential of the UOR is still high due to the… read more here.
Keywords: adsorption; cuo nanoarrays; reaction; urea adsorption ... See more keywords
Oxygen Vacancy-rich Ni/NiO@NC Nanosheets with Schottky Heterointerface for Efficient Urea Oxidation Reaction.
Sign Up to like & getrecommendations! Published in 2020 at "ChemSusChem"
DOI: 10.1002/cssc.202001185
Abstract: H2 production via electrocatalytic water splitting was greatly hindered by the sluggish oxygen evolution reaction (OER). Urea oxidation reaction (UOR) has drawn specific attention not only due to its lower theoretical voltage of 0.37 V… read more here.
Keywords: oxidation reaction; oxygen; nio nanosheets; urea oxidation ... See more keywords
Ni-Fe layered double hydroxide nanosheets supported on exfoliated graphite for efficient urea oxidation in direct urea fuel cells.
Sign Up to like & getrecommendations! Published in 2022 at "ChemSusChem"
DOI: 10.1002/cssc.202102614
Abstract: Urea-rich waste water can cause serious eutrophication problem to the water environment. On the other hand, urea is a potential fuel with high energy density, which can be effectively utilized by direct urea fuel cell.… read more here.
Keywords: urea fuel; exfoliated graphite; fuel; direct urea ... See more keywords
P-Induced Permeation of Nickel into WO3 Octahedra to Form a Synergetic Catalyst for Urea Oxidation.
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DOI: 10.1002/cssc.202201584
Abstract: Small molecules induction can achieve the oriented migration of metal elements, which affords functional materials with synergistic components. In this paper, P-WO3/NF catalyst was obtained by phosphating the nickel foam (NF) supported octahedral WO3 with… read more here.
Keywords: wo3; induced permeation; catalyst; urea oxidation ... See more keywords
Porous rod-like Ni2P/Ni assemblies for enhanced urea electrooxidation
Sign Up to like & getrecommendations! Published in 2020 at "Nano Research"
DOI: 10.1007/s12274-020-3190-1
Abstract: The urea oxidation reaction has attracted increasing attention. Here, porous rod-like Ni2P/Ni assemblies, which consist of numerous nanoparticle subunits with matching interfaces at the nanoscale have been synthesized via a simple phosphating approach. Density functional… read more here.
Keywords: rod like; urea oxidation; like ni2p; porous rod ... See more keywords
Electrocatalyst of two-dimensional CoP nanosheets embedded by carbon nanoparticles for hydrogen generation and urea oxidation in alkaline solution
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.144977
Abstract: Abstract Hydrogen (H2) producing from the electrolysis of water at cathode is limited by the sluggish kinetics of oxygen evolution reaction (OER) at anode. It is essential to search a facile anodic reaction to replace… read more here.
Keywords: urea oxidation; hydrogen generation; carbon; reaction ... See more keywords
An efficient and non-precious anode electrocatalyst of NiO-modified carbon nanofibers towards electrochemical urea oxidation in alkaline media
Sign Up to like & getrecommendations! Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2020.05.128
Abstract: Abstract Non-precious NiO nanoparticles were combined with carbon fibers (CFs) to design the novel electrode material; NiO-CFs. The as-synthesized NiO-CFs material was investigated in terms of Field emission scanning electron microscope (FE-SEM), Fourier-transform infrared spectroscopy… read more here.
Keywords: carbon; non precious; urea oxidation; spectroscopy ... See more keywords
Design of ultrafine nickel oxide nanostructured material for enhanced electrocatalytic oxidation of urea: Physicochemical and electrochemical analyses
Sign Up to like & getrecommendations! Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2019.124092
Abstract: Abstract Ultrafine nanostructured-NiO is designed via a simple electrodeposition process on a glassy carbon surface. The morphological and structural characteristics of the nickel oxide/glassy-carbon (NiO/GC) are investigated through field-emission scanning electron microscopy (FE-SEM), energy dispersive… read more here.
Keywords: ultrafine nickel; oxidation; microscopy; urea oxidation ... See more keywords
Electrochemical investigation of urea oxidation reaction on β Ni(OH)2 and Ni/Ni(OH)2
Sign Up to like & getrecommendations! Published in 2018 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2018.05.049
Abstract: Abstract Urea oxidation is the key limiting reaction in energy conversion devices based on this molecule. Ni-based catalysts are widely used to catalyze this reaction via the intermediate formation of reactive NiOOH from nickel hydroxide.… read more here.
Keywords: oxidation reaction; investigation urea; urea oxidation; electrochemical investigation ... See more keywords
Phase structure tuning of graphene supported Ni-NiO Nanoparticles for enhanced urea oxidation performance
Sign Up to like & getrecommendations! Published in 2021 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2021.137755
Abstract: Abstract The sluggish kinetics of urea electro-oxidation seriously limits its application in hydrogen production and wastewater treatment. Herein, we demonstrated an easy freeze-drying/annealing approach induced phase structure tuning of graphene supported Ni-NiO nanoparticles system for… read more here.
Keywords: urea oxidation; graphene supported; oxidation; supported nio ... See more keywords