We value your feedback! Please complete the form below so that we can tailor our services to your specific needs.
Download scientific diagram | Fig. S5. Typical discharge–charge curves of the copper oxide synthesized at 600 °C. from publication: Vapor-phase crystallization route to oxidized Cu foils in air ...
WhatsApp: +86 18221755073
This work presents a one-step controlled method for the synthesis of copper oxide nanoparticles using an arc discharge in deionized water without subsequent thermal annealing.
WhatsApp: +86 18221755073
trile nanofibers containing copper oxide; in their work, the antibacterial activity against E. coli and B. subtilis bacteria stains increased with the increase of the concentration of the copper oxide nanoparticles. Biocidal materials are already used in massive quantities and for this reason they are posing a potential danger to the
WhatsApp: +86 18221755073
Keywords: copper oxide, arc discharge, dielectric permittivity, electrical conductivity DOI: 10.1134/S0020168523070075 INTRODUCTION CuO is a p-type semiconductor with high dielectric permittivity and a narrow band gap: 1.2–1.8 eV [1]. Great interest in nanostructured copper oxides is aroused by the fact that they are rather easy to synthe-
WhatsApp: +86 18221755073
Dielectric barrier discharge (DBD) plasma was used to reduce copper oxide at atmospheric pressure using Ar and H2 mixture gases. Effect of H2 content on copper oxide reduction was investigated with a constant total flow rate of 100 ml min-1 when the discharge voltage was kept at 36 kV. The composition of the copper oxide samples before and after DBD plasma treatment …
WhatsApp: +86 18221755073
In this work, synthesis of flower-like copper oxide nanostructures via a plasma-assisted technique based on glow discharge in liquids has been reported for the first time.
WhatsApp: +86 18221755073
In general, Arc discharge routines usually used to create metal nanoparticles with spherical shape under normal conditions. The unique properties of Copper oxide (CuO-NPs) and Copper Nano wires (CuO-NWs) piqued the interest of researchers, who have devoted special attention to Nano research and applications 14 – 17.
WhatsApp: +86 18221755073
The influence of a pressure of gas mixture (10 vol% O 2 þ 90% N 2) on an average size of copper oxide nanoparticles, produced in the plasma of low pressure arc discharge, has been studied as a basic process variable. A correlation between the
WhatsApp: +86 18221755073
This study investigates the behavior of titanium oxide (TiO₂) coatings on copper surfaces using Electrical Discharge Coating (EDC) with two proportions of hydrogen peroxide (5 % and 10 %) mixed in deionized (DI) water.
WhatsApp: +86 18221755073
However, copper oxides combined with graphene have not yet been reported as a bifunctional air-electrode for RZABs. ... Further, the charge–discharge stability test demonstrated the potential of the GN-Cu 2 O for use as a bifunctional electrocatalyst in RZABs, ...
WhatsApp: +86 18221755073
A conventional glow discharge was engaged in conducting a process of plasma-enhanced synthesis of 2D CuO nanostructures on a copper sample installed on a cathode exposed to oxidation for 30 min at ...
WhatsApp: +86 18221755073
Copper oxides (CuO and Cu 2 O) have been established as technologically important materials due to their unique advantages of low cost, high chemical stability and remarkable electrochemical performance, particularly, in the fields of catalysis, photovoltaics and energy storage applications. Specifically, promising capacitance availability, noticeable …
WhatsApp: +86 18221755073
We characterized non-thermal plasma generated in two types of Surface Dielectric Barrier Discharge (SDBD) reactors, one with a planar and the other with a cylindrical …
WhatsApp: +86 18221755073
Copper oxide/reduced graphene oxide composites for improving long-term cyclic charge and discharge of high-capacity lithium-ion batteries Zhou Jiang1, Haidong Yu1, Xuebin Zhou1, Yong Li1,*, and Ying Wang1 1Jiangxi University of Science and Technology School of Materials and Chemical Engineering, Ganzhou 341000, China
WhatsApp: +86 18221755073
Purpose: Application of plasma glow discharge to copper oxide nanostructure growth is studied. The simplicity of the proposed technique may be beneficial for the development of new plasma reactors for large-scale production of diverse metal oxide nanostructures. Design/methodology/approach: Copper sample was placed on anode of a setup designed to …
WhatsApp: +86 18221755073
An attractive way of copper oxide reduction uses annealing in hydrogen atmospheres [11], [13].As shown by Ramos and co-workers, Cu 2 O powder can be successfully reduced to metal after 120 min of heating in a hydrogen atmosphere at 673 K and 5.3 hPa [13].In contrast, Ramos and colleagues showed that a combination of a glow discharge hydrogen …
WhatsApp: +86 18221755073
In this paper, we report on a modified arc process to synthetize graphene, copper and zinc oxide graphene hybrids. The anode was made of pure graphite or graphite mixed with metals or metal oxides.
WhatsApp: +86 18221755073
The utility model provides a kind of copper oxide production discharge of wastewater processing system, it include: that acidification saltouts that pretreatment unit, induced electricity Fenton device, electrochemistry oxygen eliminate ammonia nitrogen device, the poly- phosphorus of flocculation sinks phosphorus device, the acidification saltouts pretreatment unit for being …
WhatsApp: +86 18221755073
The reduction of copper oxide thin films by a hydrogen plasma generated by an atmospheric-pressure glow (APG) discharge was investigated. The copper oxide films were prepared by heating the sputtered copper films to C in the air (heat-formed copper oxide) or by sputtering (sputtered copper oxide). Both films were composed of .
WhatsApp: +86 18221755073
Rather than discharge the sulfur dioxide into the air, as was once the practice, the sulfur dioxide is captured and converted into sulfuric acid. In the United States, smelter-produced sulfuric acid …
WhatsApp: +86 18221755073
It can be seen that an initial discharge capacity of 460 mAh g −1 was achieved for copper oxide@cobalt oxide NWs on the SS mesh at a current density of 148 mA g −1. This …
WhatsApp: +86 18221755073
The discharge is then utilized for deposition of copper nickel oxide thin films on silicon Si(111) wafers and on fluorine-doped tin oxide (FTO) coated glass substrates. The structural and morphological properties of the as-deposited and annealed films are studied with the help of X-ray diffractometry and Raman spectroscopy.
WhatsApp: +86 18221755073
The electrochemical analysis of copper oxide-activated charcoal (CuO-AC) nanocomposite electrodes and fabricated supercapacitor cell Aare performed using cyclic voltammetry, a.c. impedance spectroscopy, and charge–discharge methods.
WhatsApp: +86 18221755073
The reduction behavior of sputtered thin Cu2O films with hydrogen plasma generated by a dielectric-barrier glow discharge was investigated by means of surface characterization and hydrogen plasma diagnosis using the vacuum ultraviolet (VUV) line absorption technique. The reduction model was derived by assuming that the diffusion of …
WhatsApp: +86 18221755073
The reduction of copper oxide thin films by a hydrogen plasma generated by an atmospheric-pressure glow (APG) discharge was investigated. The copper oxide films were prepared by heating the sputtered copper films to C in the air (heat-formed copper oxide) or by sputtering (sputtered copper oxide). Both films were composed of . The reduction occurs first …
WhatsApp: +86 18221755073
The first discharge capacity is 145.7 mAh g −1 and increases to 149.2 mAh g −1 over 200 cycles, demonstrating an exceptional capacity retention rate of 102.4 %. In contrast, the discharge capacities of the battery prepared with the PP separator are 134.6 mAh g −1 in the initial cycle and 126.5 mAh g −1 in the 200th cycle.
WhatsApp: +86 18221755073
The uniform growth of copper oxide nanowires on the top of copper plate has been investigated during the exposure to radiofrequency plasma discharge in respect to plasma properties and its localization. The copper samples of 10 mm radius and 1 mm in thickness were exposed to argon-oxygen plasma created at discharge power of 150 W.
WhatsApp: +86 18221755073
The copper IUD is hormone-free, but it still has the potential for side effects. Common Paragard side effects include longer or heavier periods, cramping, and back pain. More serious side effects — like IUD movement, …
WhatsApp: +86 18221755073
The reduction of copper oxide thin films by a hydrogen plasma generated by an atmospheric-pressure glow (APG) discharge was investigated. The copper oxide films were prepared by heating the ...
WhatsApp: +86 18221755073
A conventional glow discharge was engaged in conducting a process of plasma-enhanced synthesis of 2D CuO nanostructures on a copper sample installed on a cathode exposed to oxidation for 30 min at ...
WhatsApp: +86 18221755073
