Water electrolysis is virtually the most renewable and sustainable hydrogen production method. The main challenge in the development of alkaline water electrolysis systems is finding low cost electrode materials with efficient and durable performance. Palladium-nickel alloys are attractive for h...

To resolve the energy crisis and environment pollution, it is urgent to explore highly efficient and inexpensive catalysts for hydrogen evolution reaction (HER). In this work, we fabricate nickel oxide/nickel carbide/graphene (labeled as NNG) composite via one-step thermal treatment of NiCl2/gra...

Nickel is widely used as a coating material in electroplating because of its good corrosion and wear resistance even at high temperature. Tribocorrosion has been identified as one of the main degradation mechanisms of nickel. This study evaluated the tribocorrosion behavior of pure nickel in cit...

Although chloride-ligated Pt compounds like (bpym)PtCl2, K2PtCl4, and (DMSO)2PtCl2 has been reported to be highly active catalysts for the methane oxidation to methyl bisulfate (MBS) in oleum media, their applications is hampered by the catalyst deactivation to PtCl2. In this study, we investiga...

The Ni foam can act as the nickel ion source and the current collector for synthesizing Ni-based compounds using the hydrothermal synthesis especially in the acid condition. Using Ni foam as the Ni2+ source can grow materials on the substrate directly and uniformly since nickel ions are released...

Electrochemical oxidation of urea plays a significant role in electrochemical removal urea in the waste-water and energy conversation and storage. Here we demonstrated that nickel-molybdenum oxide nanorods were efficient catalysts for urea electro-oxidation. Nickel-molybdenum oxide nanorods were...

Nickel oxide (NiO) powder was synthesized by a modified sol-gel method using nickel acetate, citric acid and ethylene glycol as precursors. The synthesized material was thermally annealed at 250 °C for 2 h (pre-calcination step) and at 800 °C for 1 h (calcination). Scanning electron microscopy...

Nickel hydroxide nanoparticles were fabricated on Vulcan XC-72R carbon black using various reducing agents through assisted microwave polyol process. The formed electrocatalysts using sodium borohydride [Ni(OH)2/C–NB], ethylene glycol [Ni(OH)2/C–EG] and a mixture of them [Ni(OH)2/C–EGNB] disp...

Nickel oxide is a cheap and efficient water oxidation catalyst (WOC). However, its application as anodic co-catalyst in photoelectrochemical cells (PECs) is limited by poor optical properties: it becomes black at positive biasing. Here a pulsed laser deposition (PLD) method is used to produce am...

Assembly of the efficient flexible energy storage devices is indispensable for widening the application of the wearable electronics which require electricity for operating. The flexible substrate such as Ni foam and carbon cloth is one of the key components for establishing flexible energy stora...

In this paper, we describe the preparation of Nd3+ doped glass-ceramics in the (GeS2)70–(Ga2S3)20–(CsCl)10 system. Neodymium has been introduced as metallic powder or incorporated as sulphide. Appropriate heat treatments of the base-glass lead to glass-ceramics with controllable crystal sizes ...

A novel iron-cycling process based on core-shell iron granules, which contained zero-valent iron (Fe0) in the core and maghemite (γ-Fe2O3) on the shell (Fe0@FeIII granules), was proposed to in-situ control hydrogen sulfide in the sediments of the polluted urban rivers. The Fe0@FeIII granules ad...

The kinetics of the chlorination of neodymium oxide has been investigated by thermogravimetry between 312 °C and 475 °C, and for partial pressures of chlorine ranging from 10 kPa to 50 kPa. The starting temperature for the reaction of neodymium oxide with chlorine was determined to be about 25...

Magnetic nanoparticle functionalized with neodymium complex as catalyst and characterized by SEM, XRD, FT-IR, TGA, EDX and ICP techniques. Then, catalytic activity of prepared catalyst was examined in the synthesis of tetrezoles and oxidation reactions in which observed short reaction time and h...

Nb-doped Zinc tin oxide (NZTO) channel materials have been prepared by solution process in combination with the spin-coating method. All NZTO thin film transistors (TFTs) are n-type enhancement-mode devices, either without or with Nb additives. High-valence niobium ion (ionic charge = +5) has a ...

Over the past eight years, due diligence has become an increasingly important component of supply chain management for “conflict minerals” such as tantalum and tin. The due diligence concept has been incorporated into regulatory requirements and industry standards as far as mineral sourcing fr...

This paper describes the processing, microstructure, optical and electrical properties of the nanocrystalline (NC) niobium and zinc doped titanium-tin-oxide (TTO:NZ) based ceramics. Variety of techniques was employed (X-ray diffraction, scanning electron microscopy, energy dispersive, Raman and ...

The effect of tantalum and titanium additions on the composition, the superconducting properties, and their sensitivity to strain of bulk Nb3Sn is investigated. Using heat capacity analysis and Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy (SEM-EDX), it is found that the...

Powder-in-tube (PIT) processed niobium–tin wires are commercially manufactured for nearly three decades and have demonstrated a combination of very high current density (presently up to 2500 A mm−2 non-Cu at 12 T and 4.2 K) with fine (35 μm), well separated filaments. We review the development...

Complexes of 4-(2-aminoethyl) pyridine, p-phenetidine and N,N′-dimethylethanolamine with the chlorides of cobalt(II), nickel(II) and copper(II) have been prepared. The stereochemistry for each of the complexes has been obtained from spectral and magnetic data. The decompositions of the complexe...