Nickel–Copper Alloy Encapsulated in Graphitic Carbon Shells as Electrocatalysts for Hydrogen Evolution Reaction
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201701759
Abstract: Searching for cost-effective and high-performance electrocatalysts for hydrogen production is of paramount importance. Herein, nickel-copper (NiCu) alloy nanoparticles are encapsulated into graphitic shells via an ambient-pressure chemical vapor deposition process. The resulting carbon-encapsulated NiCu (denoted… read more here.
Keywords: hydrogen; nickel copper; hydrogen evolution; electrocatalysts hydrogen ... See more keywords
Carbonylation of Methanol Over Nickel-Copper Based Supported Catalysts
Sign Up to like & getrecommendations! Published in 2020 at "Catalysis Letters"
DOI: 10.1007/s10562-020-03368-9
Abstract: The results are reported concerning the production of methyl acetate in the halide-free vapor-phase methanol carbonylation (MC) over NiCl2–CuCl2 based catalysts on activated carbons and honeycomb cordierite supports. The formation of the MeOAc with the… read more here.
Keywords: carbonylation; methanol; nicl2 cucl2; nickel copper ... See more keywords
Polymer stabilizer effect on the nickel-copper ferrite ability to reduction
Sign Up to like & getrecommendations! Published in 2020 at "Russian Chemical Bulletin"
DOI: 10.1007/s11172-020-2919-z
Abstract: The effect of polymers (polyvinyl alcohol, polyvinylpyrrolidone) involved in the synthesis of nickel-copper ferrite Ni0.5Cu0.5Fe2O4 on its phase composition changing under heawt (500–900 °C) and electrochemical reduction was investigated. Electrocatalytic activity of various levels of… read more here.
Keywords: ferrite; reduction; nickel copper; effect ... See more keywords
New Solvent Extraction Process of Nickel and Copper by D2EHPA in the Presence of Carboxylates
Sign Up to like & getrecommendations! Published in 2020 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-020-01940-w
Abstract: In the present study, for the first time, the effect of sodium acetate, sodium citrate, and the addition of sodium oxalate was investigated in the D2EHPA system for the extraction of nickel and copper. In… read more here.
Keywords: extraction; sodium oxalate; nickel copper; d2ehpa ... See more keywords
Biosorption of nickel(II) and copper(II) ions by Sargassum sp. in nature and alginate extraction products
Sign Up to like & getrecommendations! Published in 2019 at "Bioresource Technology Reports"
DOI: 10.1016/j.biteb.2018.11.011
Abstract: Abstract In this study, brown algae Sargassum sp. and its alginate extraction products were used as biosorbents for removal of nickel and copper ions from aqueous solutions in batch. The alginate extraction was performed in… read more here.
Keywords: alginate extraction; extraction products; extraction; nickel copper ... See more keywords
Syntheses, physicochemical characterization, antibacterial studies on potassium morpholine dithiocarbamate nickel (II), copper (II) metal complexes and their ligands
Sign Up to like & getrecommendations! Published in 2019 at "Heliyon"
DOI: 10.1016/j.heliyon.2019.e01687
Abstract: Organic molecule dithiocarbamate transition metal complexes are novel and very attractive pharmaceutical targets for the management and control of antibiotic resistant bacteria. The direct reaction has synthesized new transition metal nickel (II), copper (II) complexes… read more here.
Keywords: dithiocarbamate; nickel copper; metal; metal complexes ... See more keywords
Synthesis and biological function of Nickel and Copper nanoparticles
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DOI: 10.1016/j.heliyon.2019.e01878
Abstract: Nickel and Copper nanoparticles were synthesized by simple chemical method and studied for antimicrobial activities. The size of synthesized Nickel and Copper nanoparticles was found to be 24.00 nm and 13.13 nm respectively. The XRD… read more here.
Keywords: nanoparticles found; nickel copper; copper; copper nanoparticles ... See more keywords
A novel nickel-copper alternating-deposition coating with excellent tribological and antibacterial property
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2020.156222
Abstract: Abstract In order to enhance the tribological and antimicrobial properties of nickel coating and the substrate, a novel nickel-copper alternately deposited coating was designed in this work. The nickel-copper alternate layered coatings (Ni–Cu, Cu–Ni) and… read more here.
Keywords: nickel copper; copper; deposition coating; copper alternating ... See more keywords
Sodium sulfate activation mechanism on co-sulfating roasting to nickel-copper sulfide concentrate in metal extractions, microtopography and kinetics
Sign Up to like & getrecommendations! Published in 2018 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2018.04.013
Abstract: Abstract Due to the complexity of occurrence of valuable metals and high content of alkali gangue in nickel-copper sulfide concentrate, traditional pyrometallurgical processing is not suitable. In this work, a two-stage co-sulfating roasting process was… read more here.
Keywords: roasting process; copper sulfide; nickel copper; sulfating roasting ... See more keywords
Split regeneration of chelating resins for the selective recovery of nickel and copper
Sign Up to like & getrecommendations! Published in 2020 at "Separation and Purification Technology"
DOI: 10.1016/j.seppur.2020.117516
Abstract: Abstract The management of spent acids containing heavy metals has been traditionally carried out by neutralization-precipitation technologies that often fail to provide the required selectivity for metal recovery. This work proposed a split elution process… read more here.
Keywords: recovery; selective recovery; regeneration; copper ... See more keywords
Nickel(II), Copper(II) and Palladium(II) Complexes with Bis-Semicarbazide Hexaazamacrocycles: Redox-Noninnocent Behavior and Catalytic Activity in Oxidation and C-C Coupling Reactions.
Sign Up to like & getrecommendations! Published in 2020 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.0c01119
Abstract: Nickel(II), copper(II), and palladium(II) complexes MLH, where M = Ni (1), Cu (2), Pd (3), and MLOMe, where M = Ni (4), Cu (5), Pd (6), have been prepared by reactions of NiCl2·6H2O, Cu(OAc)2·H2O, and… read more here.
Keywords: palladium complexes; bis semicarbazide; oxidation; nickel copper ... See more keywords