Blar i Institutt for materialteknologi på tittel
Viser treff 358-377 av 2495
-
Composition and Structure Analysis of Hard Grey Scale (HGS) Formed on Cold Surfaces Exposed to Aluminium Production Off-gas
(Peer reviewed; Journal article, 2022)Hard grey scale (HGS) is a strongly adhering fouling material forming on solid surfaces impinged by off-gas generated in the pot cells of primary aluminium production plants. Even though associated maintenance costs have ... -
Composition and Surface Modifications of Silica Structures in Diatiom Frustules by Incorporation of Functional Oxides and Nitride Formation
(Master thesis, 2012)Renewable energy production featuring silicon photovoltaic solar cells are of considerable interest to reduce pollution and related environmental changes. Improvements in efficiency along with reductions in cost are key ... -
Composition-Dependent Morphology, Structure, and Catalytical Performance of Nickel–Iron Layered Double Hydroxide as Highly-Efficient and Stable Anode Catalyst in Anion Exchange Membrane Water Electrolysis
(Peer reviewed; Journal article, 2022)Water splitting is an environmentally friendly strategy to produce hydrogen but is limited by the oxygen evolution reaction (OER). Therefore, there is an urgent need to develop highly efficient electrocatalysts. Here, NiFe ... -
Compositional Engineering of a La1-xBaxCoO3-δ-(1-a) BaZr0.9Y0.1O2.95 (a = 0.6, 0.7, 0.8 and x = 0.5, 0.6, 0.7) Nanocomposite Cathodes for Protonic Ceramic Fuel Cells
(Journal article; Peer reviewed, 2019)Compositionally engineered a La1-xBaxCoO3-δ-(1-a) BaZr0.9Y0.1O2.95 (a = 0.6, 0.7, 0.8 and x = 0.5, 0.6, 0.7) (LBZ) nanocomposite cathodes were prepared by oxidation driven in situ exsolution of a single-phase material ... -
Comprehensive insight into the mechanism, material selection and performance evaluation of supercapatteries
(Peer reviewed; Journal article, 2020)Electrochemical energy storage devices (EESs) play a crucial role for the construction of sustainable energy storage system from the point of generation to the end user due to the intermittent nature of renewable sources. ... -
Compression Testing of Ceramic Foam Filters (CFFs) Submerged in Aluminium at Operating Temperature
(Peer reviewed; Journal article, 2021)Particles and inclusions are commonly removed from molten aluminium with the use of Ceramic Foam Filters (CFF). The mechanical properties of CFFs are of great importance not only during transportation, storage, and mounting, ... -
Computational Alloy Design of AA6xxx Extrusions
(Master thesis, 2019)I denne oppgaven har en rekke beregningsmodeller blitt brukt for å simulere hele prosessen for ekstrudert aluminium og senere utherding. Den proprietære programvaren \pro{} knytter sammen flere modeller. I denne oppgaven ... -
Computational Fluid Dynamics Modeling of the Resistivity and Power Density in Reverse Electrodialysis: A Parametric Study
(Peer reviewed; Journal article, 2020)Electrodialysis (ED) and reverse electrodialysis (RED) are enabling technologies which can facilitate renewable energy generation, dynamic energy storage, and hydrogen production from low-grade waste heat. This paper ... -
A Computational Investigation of Rechargeable Magnesium Batteries and MXenes
(Doctoral theses at NTNU;2021:396, Doctoral thesis, 2021)Rechargeable batteries are playing an ever important role in the transition to a renewable energy based society. As of today, it is the Li-ion battery which dominates the market for high performance batteries in almost all ... -
Computational Materials Design of Materials for CO2 Conversion using Sunlight
(Master thesis, 2021)Et stor-skala materialsøk for en halvleder passende for fotokatalytisk CO2-konvertering har blitt gjennomført gjennom et ab-initio beregningsstudie ved hjelp av tetthetsfunksjonalteori (DFT). Materialene som har blitt ... -
Computational Modelling of Mass Transfer in Molten Salt Electrolyte for Na-Zn Liquid Metal Batteries
(Master thesis, 2023)Flytende metall-batterier (eller FMB-er) er en fremvoksende batteriteknologi som blir stadig mer relevant for storskala energilagring på strømnettet. Denne lagringen kan bidra til å redusere variasjonene i strømforsyningen ... -
Computational Prediction and Characterisation of Novel Li-ion Solid Electrolytes based on Earth Abundant LiSiNO
(Master thesis, 2022)"All solid-state-batterier" (ASSB) basert på faststoff elektrolytter (SSE) er en lovende løsning på de nåværende sikkerhetsproblemene som moderne batteriteknologi står ovenfor. LiSiNO-strukturen har tidligere vist seg ... -
Computational Prediction and Experimental Realization of Earth-Abundant Transparent Conducting Oxide Ga-Doped ZnSb2O6
(Peer reviewed; Journal article, 2022)Transparent conducting oxides have become ubiquitous in modern optoelectronics. However, the number of oxides that are transparent to visible light and have the metallic-like conductivity necessary for applications is ... -
Computational Study of Migration Barriers in the Li Ion Solid State Electrolyte Li7La3Zr2O12
(Master thesis, 2021)For å bekjempe klimaforandringer må ny teknologi innenfor energilargingsfeltet utvikles. For å sikre trygge og gode batterier må faststoffelektrolyttene, som brukes per dags dato, forbedres. I dette prosjektet ble mobiliteten ... -
A computational study on efficient yield surface calibrations using a crystal plasticity spectral solver
(Journal article, 2023)A computational framework is presented, capable of calculating virtual loads using the spectral solver in the DAMASK software for crystal plasticity simulations in desired stress directions. Calculations are used for the ... -
Conceptual Tapping Model of Mn-Ferroalloy Furnaces
(Peer reviewed; Journal article, 2022)The tapping process of submerged arc furnaces, like the Mn-ferroalloy production process, is when you drain the liquid metal and slag from the furnace. The optimal tapping process is when slag and metal is drained from the ... -
Condensation of SiO and CO in silicon and ferrosilicon production
(Doctoral theses at NTNU;2021:93, Doctoral thesis, 2021)Kondensasjon av SiO(g) er kombinasjon av to reaksjoner i silisiumprosessen. Den første er interaksjonen mellom SiO(g) og CO(g). Den andre er reaksjonen mellom to SiO(g) molekyler. Disse to reaksjonene foregår i lavtemperatursonen ... -
Conductive Coatings for Metal Bipolar Plates in Proton Exchange Membrane Water Electrolyzers
(Master thesis, 2016)Due to the use of expensive materials, only 4 % of hydrogen production today is from water electrolysis. The most efficient low-temperature electrolyzer is the proton exchange membrane electrolyzer (PEMWE), where the bipolar ... -
Conductivity Contrast and Tunneling Charge Transport in the Vortexlike Ferroelectric Domain Patterns of Multiferroic Hexagonal YMnO3
(Journal article, 2017)We deduce the intrinsic conductivity properties of the ferroelectric domain walls around the topologically protected domain vortex cores in multiferroic YMnO3. This is achieved by performing a careful equivalent-circuit ... -
Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide
(Peer reviewed; Journal article, 2020)Utilizing quantum effects in complex oxides, such as magnetism, multiferroicity and superconductivity, requires atomic-level control of the material’s structure and composition. In contrast, the continuous conductivity ...