Blar i Institutt for materialteknologi på tittel
Viser treff 1632-1651 av 2523
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Optical and Electrochemical Characterisation of Carbon Anodes with Varying Porosity and Coke Quality
(Peer reviewed; Journal article, 2022)The performance of carbon anodes in aluminium production will depend on both the coke quality (impurities, structure) and the physical properties of the anode (density, permeability, electric resistivity). Here, a set of ... -
Optical and electrochemical characterization of carbon anodes in aluminum electrolysis
(Master thesis, 2021)Hovedmålet med dette prosjektet er å undersøke og analysere forbruk av karbonanoder i elektrolyse av aluminium og få litt innsikt potensielt kan forbedre effektiviteten til den nevnte prosessen og redusere totalt energi ... -
Optical properties of single diatom frustules revealed by confocal microspectroscopy
(Journal article; Peer reviewed, 2015)Optical properties of single diatom frustule valves from two different Coscinodiscus species (C. wailesii and C. centralis) are studied by transmission confocal hyperspectral imaging and numerical calculations. Light ... -
Optimisation of chemical solution deposition of Indium Tin Oxide thin films
(Journal article; Peer reviewed, 2014-12-31)An environmentally friendly aqueous sol–gel process has been optimised to deposit indium tin oxide (ITO) thin films, aiming to improve the film properties and reduce the deposition costs. It was demonstrated how parameters ... -
Optimisation of Spray Pyrolysed (La0.6Sr0.4)0.99CoO3 Cathodes for Solid Oxide Fuel Cells
(Master thesis, 2016)The effect of the precursor concentration and the concentration of citric acid (CA) on the properties of (La0.6Sr0.4)0.99CoO3 (LSC), prepared by spray pyrolysis, has been studied. Precursor solutions with concentrations ... -
Optimisation of Zn-Mn co-electrodeposition on aluminium utilising direct- and pulse current in alkaline and acidic electrolyte
(Master thesis, 2019)Aluminium som blir brukt i varmevekslere er utsatt for korrosjon i spesielt aggressive omgivelser. Beskyttelse av aluminiumoverflaten er viktig for å beholde mekaniske og kjemiske kvaliteter i prosessene den blir brukt ... -
Optimization and Modeling of electrode structure and composition for novel PEM water electrolyser MEAs
(Master thesis, 2011)Lack of commercial electrocatalysts and membrane electrode assemblies (MEA) which are efficient, durable and reasonably priced for proton exchange membrane water electrolysis was the inspiration of the current project.A ... -
Optimization of an Absorption-Based Biogas Upgrading and Liquefaction Process
(Journal article; Peer reviewed, 2019)The present work proposes a methodology for optimization of a liquefied biomethane (LBM) production plant. The LBM production plant comprises amine-based absorption upgrading followed by a single expander refrigeration ... -
Optimization of chemical composition of novel manganite oxides for oxygen permeable membranes
(Master thesis, 2015)Every year, millions of tons of high purity oxygen are produced mainly by cryogenic distillation. Since this process is energetically demanding, there is a need for more energy efficient technologies, and the use of oxygen ... -
Optimization of EBSD parameters for ultra-fast characterization
(Journal article; Peer reviewed, 2012)Ultra-fast pattern acquisition of electron backscatter diffraction and offline indexing could become a dominant technique over online electron backscatter diffraction to investigate the microstructures of a wide range of ... -
Optimization of Electrical Conductivity in Screw Extruded Wires
(Master thesis, 2017)The novel production method of screw extrusion was used to produce an electrical conducting wire of commercial pure aluminium. To optimize electrical properties, effects of impurity atoms in solid solution were examined ... -
Optimization of Electrical Conductivity in Screw Extruded Wires: The effect of aluminium oxide particles on screw extruded wires of pure aluminium
(Master thesis, 2021)Elektrisk ledende tråder av en aluminium-matrise kompositt (aluminium matrix composite (AMC)) ble produsert gjennom kontinuerlig skrueekstrudering av metaller (Metal continuous screw extrusion (MCSE)). Kompositten bestod ... -
Optimization of Hemocompatible Thin Film Coatings for Biomedical Applications
(Master thesis, 2021)Bruken av biomedisinsk utstyr har gitt store fordeler til den menneskelige befolkningen i tiårene siden det vitenskapelige feltet først ble utviklet. Bio- og hemokompatibiliteten til eksisterende utstyr burde derimot ... -
Optimization of running shoe cushioning: Mechanical behavior of polymeric foams used for running shoe cushioning
(Master thesis, 2020)In order to be innovative and to offer ever more efficient running shoes, Decathlon seeks to optimize the cushioning of its running shoes using numerical simulation. These numerical tests will make it possible to test a ... -
Optimization of Strength and Permeability of Tape casted Porous La0.2Sr0.8Fe0.8Ta0.2O3-δ
(Master thesis, 2012)Ceramics with mixed ionic and electronic conductivity are being investigated for oxygen separation from air, intended for the production of syngas. Asymmetric membranes, consisting of a dense membrane co-sintered with a ... -
Optimization of the casting process for silicon nitride crucibles
(Master thesis, 2017)As renewable energy sources get to replace conventional fossil fuel power plants, solar cells will come to play a major role. For this purpose, their efficiency must be enhanced and their cost minimized in order to compete ... -
Optimized Nickel-Cobalt and Nickel-Iron Oxide Catalysts for the Hydrogen Evolution Reaction in Alkaline Water Electrolysis
(Journal article; Peer reviewed, 2019)Ni and Ni-doped with transition metals (TM) such as Fe and Co represent the most suitable electrodes for hydrogen evolution reaction (HER) in alkaline media. Various compositions of co-precipitated Ni1 + xFe2 − xO4 and Ni1 ... -
Optimizing carbon coating of silica from diatom frustules as a high performance, low cost and environmentally friendly anode material for lithium ion batteries
(Master thesis, 2018)The goal of this work was to optimize the carbon coating of silica from diatom frustules as a high performance, low cost and environmentally friendly anode material for lithium ion batteries. This was done by investigating ... -
Optimizing carbon coating parameters for obtaining SiO2/C anodes with improved electrochemical performance
(Peer reviewed; Journal article, 2021)In this work, we present a comprehensive and systematic study on the use of low-cost and highly abundant carbon precursors to obtain SiO2/C anodes with superior electrochemical performance towards Li-ions. Different SiO2/C ... -
Optimizing fuel cell for Shell Eco-marathon 2009
(Master thesis, 2009)