In situ synthesis of nickel carbidepromoted nickel/carbon

Here, we reported in situ synthesis of nickel carbidepromoted Ni/CNFs nanocomposite catalysts (NiCNi/CNFs) through CCVD over carbon supported nickel Computational methods The search for new stable crystal structures of nickel borides, carbides, and nitrides were performed using evolutionary algorithms implemented in the Phase relations, and mechanical and electronic properties of nickel

Fabrication of nickel and nickel carbide thin films by

We report a new pulsed chemical vapor deposition (PCVD) process to deposit nickel (Ni) and nickel carbide (Ni3Cx) thin films, using bis(1,4ditert butyl1,3 Herein, nickel carbide (Ni 3 C) nanoparticles were controlled synthesized by decomposing nickel acetylacetonate in oleylamine and oleic acid solvent Controlled synthesis of nickel carbide nanoparticles and their

Synthesis and characterization of the novel nanostructured NiC

Introduction Nanoscale materials of carbonnickel system have found their wide application as catalysts and composite thin film Nickel nanoparticles embedded in Polycarbide nickel clusters containing interstitial Ni(η2C2)4 and Ni2(μη2C2)4 acetylide moieties: mimicking the supersaturated Ni–C solutions preceding the Preparation of nickel carbide ultrafine particles by metal vapor

Atomic layer deposition of nickel carbide for

We report a new atomic layer deposition (ALD) process for nickel carbide (Ni3C) The process uses bis (1,4ditertbutyl1,3diazabutadienyl)nickel (ii) and H2 plasma and is able to produce The hydrogen oxidation reaction (HOR) has recently attracted great attention, yet the poor performance of HOR over the platinum group metalfree (PGMsfree) catalysts in alkaline conditions strongly impedes the development of hydroxideexchange membrane fuel cells Here, we demonstrate that the phase and intPhase and interface engineering of nickel carbide nanobranches

(a) XRD pattern of Ni 3 C x (x=0, 07, 12, 15) nanoparticles, (b

Rhombohedral nickel carbide (Ni3Cx, x=07, 12 and 15) nanoparticles (∼ 110 nm) with enhanced magnetic coercivity (HC up to 13 kOe) at temperature below the spinglass freezing (Tf) have beenThe Directory of Open Access Journals Open Global Trusted Main actions Support Support DOAJ Tailoring the adsorption behavior of superoxide intermediates on nickel carbide enables highrate Li–O2 batteries Yun Liu, Jinyan Cai, Jianbin Zhou, Yipeng Zang, Xusheng Zheng, Zixuan Zhu, Bo Liu, Gongming Wang, Yitai QianTailoring the adsorption behavior of superoxide intermediates on nickel

Phase relations, and mechanical and electronic properties of nickel

Recently, rst stable nickel carbide, Ni 3C with cementitetype structure, was synthesized in a diamond anvil cell (DAC) with laser heating through a direct reaction of a nickel powder with carbonat184GPa21 IntheNi–Nsystem, there isoneknownstable intermediate compound, Ni 3N, at ambient pressure GuillaumeNickel carbide (Ni 3 C) has received increasing attention because of its remarkable chemical stability, catalytic properties, and magnetic properties Nanocomposite magnetic materials with a combination of two nanoscale phases have attracted significant attention because of their ability to generate magnetic properties that are not achievable Nanomaterials Free FullText Simple Synthesis and MDPI

The electrochemical properties of Ni3C carbide SpringerLink

The unique physical and chemical properties of transition metal carbides make them attractive for the development of many functional materials [1, 2]In particular, it has been reported that nickel carbidebased materials possess very exciting magnetic properties [3, 4]Nickelcarbon coatings attract attention because of their mechanical, Herein, nickel carbide (Ni 3 C) nanoparticles were controlled synthesized by decomposing nickel acetylacetonate in oleylamine and oleic acid solvent at a comparatively low temperature of 280 °C The resultant Ni 3 C nanoparticles with an average size of 18 nm exhibited large specific surface area and excellent electrical Controlled synthesis of nickel carbide nanoparticles and their

Ni and Ni3C catalysts supported on mesoporous silica for dry

Despite these studies, reports using nickel carbide in the DRM reaction are scarce especially if supported on mesoporous materials In this work, macro (commercial) and mesoporous silica were used as support of Ni, NiPt, NiPtMgO and ex situ Ni carburized catalysts and tested in the DRM at 700 °C and atmospheric pressureNickel carbide (NiC) CNi CID structure, chemical names, physical and chemical properties, classification, patents, literature, biological activitiesNickel carbide (NiC) CNi CID PubChem

Nickel Silicon Carbide Plating Products & Suppliers GlobalSpec

Silicon Carbide is among the hardest of ceramics, and retains hardness and strength at elevated temperatures, which translates into among the best wear resistance also Additionally, SiC has a high thermal conductivity, especially in the CVD (chemical vapor deposition) grade, which aids in thermal shock resistanceAuger electron spectroscopy and Xray photoelectron spectroscopy were used to study nickel carbide (Ni 3 C) formed during the evaporation of nickel onto the surface of singlecrystal graphite It is shown that Ni 3 C formed in this manner extends from the surface to close to the interface A model is proposed to explain the mechanism of Ni The formation and decomposition of nickel carbide in evaporated nickel

ACS Publications

Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permiteCrystallization Characteristics and Chemical Bonding Properties of Nickel Carbide Thin Film Nanocomposites Andrej Furlan 1;, Jun Lu,Lars Hultman,Ulf Jansson2 and Martin Magnuson1; 1Department of Physics, IFM, Thin Film Physics Division, Link oping University, SE58183 Link oping, Sweden 2Department of Chemistry Angstr om Laboratory,Crystallization characteristics and chemicalbonding properties of

Transition metal carbides in electrocatalytic oxygen evolution reaction

Despite there are still difficult in largescale synthesis and application, many achievements have been obtained of carbide nanomaterials In this section, several typical carbides including iron, cobalt and nickel carbide electrocatalysts will be introduced for electrocatalytic OER in recent years 31 Iron carbides for electrocatalytic OERKeywords: branched particles; nickel carbide; insitu infrared spectroscopy; methanol oxidation reaction; formic acid 3 Methanol is not only one of the most used commodity chemicals but also an excellent energy vector Methanol is characterized by a high energy density (156 MJ/L), several times above that of liquid H 101002/anie, Wiley Terms and Conditions for

Microstructure and Tribocorrosion Behavior of Stainless Steel304

In the present study, an attempt was made to develop surface cladding on stainless steel304 steel by utilizing a mixture of 80% nickel and 20% chromium carbide powder via microwave energy The microwave cladding process on the stainless steel304 was carried out in the inhouse developed setup on the microwave The microwave The surface carbides were modelled by a single carbide layer supported on three Ni layers The structures were relaxed until the residual forces were smaller than 002 eV/A, with the two lowest NiRole of Precursor Carbides for Graphene Growth on Ni (111)

Hydrogenation of furfural by noble metalfree nickel modified tungsten

Nickel–tungsten carbide catalysts convert furfural to high value products in a liquid phase catalytic reaction The product distribution depends on the solvent and the Ni–Wratio of the catalyst In isopropyl alcohol a combination of Ni and WxC enables the opening of the furan ring to yield 1,2pentanediol NickelSynthesis and characterization of vanadium, molybdenum and nickel carbide using liquefied petroleum gas as carbon source ABSTRACT Hydrotreating of distillated fractions is receiving considerable attention since the increasingly stringent environmental regulations on the composition of transportation fuelSíntesis y caracterización de carburos de vanadio, molibdeno y

Electrodeposition and heat treatment of nickel/silicon carbide

Banded structure of the reaction zone between nickel and silicon carbide (at 950 °C) was observed by BackhausRicoult [48] He found a narrow area of Ni 2 Si grains close to SiC particle that was followed by a broad zone of Ni 5 Si 2 and then a very thin band of Ni 3 Si next to the diffusion zone of the nickel matrix