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51 articles for “cathode”
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Cathodoluminescence method to scheme optical remains
Abstract: Cathodoluminescence (CL) microscopy replaces light generation by a focused electron-beam so as to visualize optical information at resolution of electron microscope. High-resolution imaging has pursued on strongly cathodoluminescent substrates, such as glass. Method has been applicable for bio- and nano-sciences, said as CL identification of bio-markers within cells as well as ceramic character interpret to describe plasmon components from glass supported devices, given by, sensors, waveguides, plasmonic tweezers, and thin-film …
Published in Journal of Microelectronics and Solid State Devices · Vol. 8, Issue 2, 2021 · pp. 7–14 Read article
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Next-Generation Photochemical Research Using Cathodoluminescence: Mapping Optical Properties and Resonances at the Nanoscale
Abstract: This study explores the principles and diverse applications of CL, particularly in the analysis of inorganic compounds and nanophotonic structures. It examines various facets of CL, including aperture effects, transmission modes, resolution, momentum, scanning techniques, and modulation within CL imaging. The study underscores significant advancements in CL technology, highlighting its utility in characterizing nanostructures, plasmonic materials, and optoelectronic devices. The discussion emphasizes CL's role in mapping the Local Density of …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 2, Issue 2, 2024 · pp. 01–05 Read article
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Power Generation from Kitchen and Industrial Waste Water using Microbial Fuel Cells (MFCs) with Graphite Cathode and Anode
Abstract: Degradation of fossil fuels and increased accumulation of waste water has become the major issue in the world over decades. Microbial fuel cells are one such advancement that makes use of renewable waste sources like dhobi ghats, pond water, domestic kitchen waste water and industrial waste water; and directly convert it into electricity. Microbial fuel cells are electrochemical cells that directly convert chemical energy into electrical energy using microorganisms as …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 1, 2016 · pp. 14–22 Read article
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Efficient Nanostructure Cathode Material for Low Temperature Solid Oxide Fuel Cells: LaSr0.5Mn0.5Co2-xFexO5+δ
Abstract: While significant progress has been made in anode materials with enhanced tolerance to coking and contaminant poisoning, cathodic polarization still contributes considerably to energy loss, more so at lower operating temperatures. Here we report a synergistic effect of co-doping in a cation-ordered double-perovskite material, LaSr0.5Mn0.5Co2-xFexO5+δ , which has created pore channels that dramatically enhance oxygen ion diffusion and surface oxygen exchange while maintaining excellent compatibility and stability under operating conditions. …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 3, 2017 · pp. 49–55 Read article
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Assessment of Carbon Fibre (CF) and Carbon Nanotube (CNT) as Supercapacitor Electrode on Surface Activated Nickel Foam
Abstract: In present paper, an attempt has been made to compare the potential of two different carbon-based materials, Carbon Fibre (CF) and Carbon Nanotubes (CNT), as electrode materials. These two materials are compared against each other in terms of their dimensions, volume of deposition on Nickel foam and their performance under Cyclic Voltammetry (CV). It was observed that owing to the dimensions of the depositing material, CNT (nano-sized carbon) electrode reflected …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 2, 2023 · pp. 10–14 Read article
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Challenges in the Commercialization of Lithium (Li)–Sulphur (S) Batteries †
Abstract: Li-S batteries can be used in drones owing to their high gravimetric energy density (2600 Wh/kg of sulphur) as well as the high theoretical specific capacity values (1674 mAh/g) values. Most of the ground breaking inventions in energy sources occurred during war time (1st September 1939-2nd September 1945), including the discovery of the famous nuclear fission process that lead to the origin of the little boy and the fat man. …
Published in International Journal of Advance in Molecular Engineering · Vol. 1, Issue 2, 2023 · pp. 26–36 Read article
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Corrosion inhibitors of steel to stainless
Abstract: Concrete reinforced with steel and rebars is affected by surface corrosion of steels in being embedded state. Corrosion of chloride and carbureted moisture in embedded steels reduce life of concrete of high ways. Use of steel in corroded and un-corroded state shows more life in case of reinforcements in un-corroded state at laboratory scale. Flexural strength is more effective characteristics to determine state of concrete within lifeline period. Quality of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 10, Issue 2, 2019 · pp. 17–26 Read article
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Na-Air Battery: The Battery of the Future—A Review
Abstract: Metal-ion batteries came into the limelight with the invention of Zn-ion battery as early as 1878, but its commercial viability came into picture in 1990 and lithium-ion cell in 1977. Since then, a number of metals have been experimented upon and similar rechargeable secondary storage batteries like Al-ion, Na-ion, Sn-ion, Mg-ion, K-ion have been developed. In this type of battery, electrochemical dynamics involves the movement of only one kind of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 15, Issue 3, 2024 · pp. 1–19 Read article
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Electrochemical Evaluation of Corrosion Behavior in Industrial Alloys Under Acidic and Marine Conditions
Abstract: Corrosion represents a spontaneous physicochemical transformation in which metals revert to their more stable thermodynamic state, typically oxides, hydroxides, or sulfides, as a result of interaction with environmental elements. Rather than being a simple surface reaction, corrosion is a complex electrochemical phenomenon that significantly influences the durability, reliability, and performance of metallic structures across industrial, marine, and domestic sectors. The consequences extend beyond material degradation, contributing to substantial economic losses, …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 13, Issue 1, 2026 · pp. 24–36 Read article
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Purification of industrial wastewater using a photoelectroflotation process powered by solar energy
Abstract: The main problem of all existing electroflotation methods of wastewater treatment is salinization of the near-anode space during electroflotation, which leads to the formation of salt deposits on the anode, which strongly cover the anode surface, which can lead to a complete stop of the electroflotation process. The anode, used by electroflotation devices has a dense grid of small cells, which, on the one hand, increases the current density, but, …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 1, 2023 · pp. 36–53 Read article
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Organic Light Emitting Diodes (OLEDs)
Abstract: This paper gives the brief analysis of Organic Light Emitting Diodes (OLED) .OLED is a special type of solid-state lighting source. An OLED device is typically formed in a sheet with emissive organic layer(s) located between a cathode and anode and deposited on a substrate. The substrate can be rigid such as glass or metal or flexible made of a polymer plastic. The number of emissive layers depends on the …
Published in Journal of Microelectronics and Solid State Devices · Vol. 8, Issue 1, 2021 · pp. 23–30 Read article
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Electrooxidation Study of Acetic Acid at Low Temperature in Membrane Less Microfluidic Fuel Cell for Portable Power Application
Abstract: The global energy crisis due to dependence on fossil fuel and its limited reserves followed by environmental pollution are the key concerns to the research communities. However, recently developed micro-fluidic fuel cells using hydrogen-rich fuels are most likely to replace the batteries, due to their compactness, high efficiency and simplicity in operation. In this context, the PtxSn/C (where, x=1, 3, 5) electrode-catalysts were prepared and the electro-oxidation of acetic acid …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 1, 2016 · pp. 58–66 Read article
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Knowledge, Attitude and Practices Regarding E-Waste in Resettlement Areas of East Delhi
Abstract: E-waste is collected and processed for disposal in urban slums of the metropolis of India by untrained workers without using personal protective equipment, which are detrimental not only to their health but also to the environment. This study was designed to find the knowledge, attitude, and practices of e-waste handling and management among the workers involved in e-waste handling and management in East district of Delhi. (Seelampur and Shastripark). A …
Published in Research and Reviews: A Journal of Medicine · Vol. 1, Issue 1, 2011 Read article
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Review of Nitrite Inhibitor for Protection of Rebar Corrosion
Abstract: Load bearing concrete structures need steel reinforcement (rebar) strips or rods, which are prone to attack by the corrosive environment inside the concrete due to constant ingress of moisture, pollutant gases and anions (mainly Cl-, SO4- -). One of the means of reducing such type of corrosion is the use of inhibitors. Inhibitors are water soluble but film forming on metals by their selective adsorption on the metal surface. These …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 1, 2013 · pp. 42–56 Read article
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Comparative Study of Various Materials for Solid Oxide Fuel Cells: A Review
Abstract: Solid State Oxide Fuel Cells (SOFC) offer clean and efficient power generation systems with good fuel flexibility, high power density, low pollution, modularity and high energy conversion efficiency. The conventional SOFCs operate at a higher temperature of about 1000 â°C. This limits the use of materials to be used for their construction. Presently, the major research effort ongoing is to develop the low cost intermediate temperature (IT) SOFC. These cells …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 3, Issue 1, 2013 Read article
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A New Developed Photoelectrochemical Cell for Hydrogen Generation
Abstract: There are many methods for the industrial production of hydrogen, including: steam reforming of methane and natural gas; coal gasification; biotechnology; electrolysis of water, etc. The most effective method of obtaining of pure hydrogen is the use of photoelectrochemical cell. Photoelectrochemical cells produces hydrogen directly from solar energy. In a photoelectrochemical cell, a silicon semiconductor with an anode attached to it, immersed in an aqueous electrolyte solution and excited by …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 1, 2023 · pp. 01–10 Read article
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Hydrogen and oxygen generation by Photoelectrolysis and Special Constructed Photoelectrolyzer Powered by Light Energy for Hydrogen Electric Vehicle Charging
Abstract: Today, pure hydrogen is produced by various industrial methods, including: steam reforming of methane and natural gas; coal gasification; biotechnology; electrolysis of water, etc. The most effective method for obtaining pure hydrogen is the use of photoelectrolysis of an aqueous solution of an electrolyte, flowing in a photoelectrochemical cell. In this method, the hydrogen in the photoelectrochemical cell is produced directly from solar energy. In a photoelectrochemical cell, a silicon …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 1, 2024 · pp. 38–46 Read article
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Continuous Charging of Spacecraft Fuel Cells by Hydrogen and Oxygen, Obtained in a Specially Designed Separator, Powered by a Solar Panel, During Long-term Space Flight
Abstract: The flight control of the spacecraft (SC) is carried out at the expense of onboard electrical power. The onboard electric power supply of the spacecraft ensures the functioning of all its instruments and equipment (propulsion system, controls, communication systems, instrument complex, heating, etc.). The power supply system of a spacecraft is the most important system that ensures both the life of the spacecraft itself and the crew that controls this …
Published in Journal of Aerospace Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 44–59 Read article
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Industrial wastewaters purification using the negatively charged with calculated dispersiveness of hydrogen bubbles and special electroflotator construction in the process of electroflotation
Abstract: The main problem in the all existing electroflotation methods of cleaning is the salinity of the space near cathode in the process of electroflotation that leads to formation of the salts sediments on the cathode that strongly cover cathode’s surface that may result of the total curtailment of the process of electroflotation. The other problem is that as anode is used the dense grid from the wire of the defined …
Published in Journal of Water Pollution & Purification Research · Vol. 6, Issue 2, 2019 · pp. 12–21 Read article
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Method of Obtaining of Concentrate of Rapidly Reproducing Microalga for Converting of the Emitted Carbon Dioxide into Oxygen and Food Biomass for Feeding of the Crew of an International Space Station during Long Flights
Abstract: It is known that the use of microalga solves the problem of utilizing carbonic acid formed during the life of astronauts and replenishing oxygen in the spacecraft atmosphere. There is evidence that among the mass of microalga used for research as oxygen products for space flights, chlorella and spirulina are suitable. In the field of creating a life support system (LSS) of the International Space Station (ISS), research is being …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 10, Issue 2, 2021 · pp. 37–48 Read article