Browsing Institutt for materialteknologi by Title
Now showing items 1030-1049 of 2502
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High-performance La0.5Ba0.5Co1/3Mn1/3Fe1/3O3-δ – BaZr1-zYzO3-δ cathode composites via exsolution mechanism for protonic ceramic fuel cells
(Journal article; Peer reviewed, 2018)A novel exsolution process was used to fabricate complex all-oxide nanocomposite cathodes for protonic ceramic fuel cells (PCFCs). The nanocomposite cathodes with La0.5Ba0.5Co1/3Mn1/3Fe1/3O3-δ – BaZr1-zYzO3-δ nominal ... -
High-Temperature Performance of Selected Ionic Liquids as Electrolytes for Silicon Anodes in Li-ion Batteries
(Peer reviewed; Journal article, 2022)Ionic liquids, like bis(fluorosulfonyl)imide (FSI) ionic liquids, are promising solvents for lithium ion batteries due to their high thermal stability and wide electrochemical window. Here, electrolytes based on LiFSI and ... -
High-Temperature Reactive Wetting of Natural Quartz by Liquid Magnesium
(Journal article; Peer reviewed, 2024)High-temperature wetting of natural, high-purity quartz (SiO2) and liquid magnesium (Mg) was investigated at temperatures between 973 and 1273 K. Sessile drop experiments using the capillary purification (CP) procedure ... -
High-throughput calculations of charged point defect properties with semi-local density functional theory—performance benchmarks for materials screening applications
(Peer reviewed; Journal article, 2023)Calculations of point defect energetics with Density Functional Theory (DFT) can provide valuable insight into several optoelectronic, thermodynamic, and kinetic properties. These calculations commonly use methods ranging ... -
High-throughput computational screening of nanoporous adsorbents for CO 2 capture from natural gas
(Journal article; Peer reviewed, 2016)With the growth of natural gas as an energy source, upgrading CO2-contaminated supplies has become increasingly important. Here we develop a single metric that captures how well an adsorbent performs the separation of CH4 ... -
Highly Active and Easily Fabricated NiCo2O4 Nanoflowers for Enhanced Methanol Oxidation
(Peer reviewed; Journal article, 2019)Metal oxides with tailored nanomorphology represent a powerful tool to improve the electrocatalytic activity. Herein NiCo2O4 nanoflowers were synthesized via facile microwave method. NiCo2O4 nanoflowers were characterized ... -
Highly Active Nickel-Based Catalyst for Hydrogen Evolution in Anion Exchange Membrane Electrolysis
(Journal article; Peer reviewed, 2018)Anion exchange membrane (AEM) electrolysis is hampered by two main issues: stability and performance. Focusing on the latter, this work demonstrates a highly active NiMo cathode for hydrogen evolution in AEM electrolysis. ... -
A highly selective purine-based inhibitor of CSF1R potently inhibits osteoclast differentiation
(Peer reviewed; Journal article, 2023)The colony-stimulating factor 1 receptor (CSF1R) plays an important role in the regulation of many inflammatory processes, and overexpression of the kinase is implicated in several disease states. Identifying selective, ... -
HISC in Super Duplex Stainless Steels: A study of the relation between microstructure and susceptibility to hydrogen induced stress cracking
(Master thesis, 2013)Testing of susceptibility to hydrogen induced stress cracking (HISC) in two 25% Cr Super Duplex Stainless Steels (SDSS) has been carried out. These were a forged material and a hot isostatically pressed (HIP) material with ... -
Hole annihilation vs. induced convection: Breakdown of different contributions to the photocorrosion mechanism of oxide-covered iron
(Peer reviewed; Journal article, 2021)The mechanism behind corrosion rate increase of anodised iron under illumination has been studied by comparing photocurrents with corrosion currents from polarisation curves under controlled convection. Under illumination ... -
Hollow-structured Cu0.4Zn0.6Fe2O4 as a novel negative electrode material for high-performance lithium-ion batteries
(Peer reviewed; Journal article, 2021)Novel hollow-structured Cu0.4Zn0.6Fe2O4 porous negative electrode material is synthesized using a one-step spray pyrolysis method, which exhibits excellent rate capability, high cycling stability, and fast charge-discharge ... -
Horizontal-to-tilt irradiance conversion for high-latitude regions: a review and meta-analysis
(Peer reviewed; Journal article, 2023)This review focuses on the solar irradiance model chain for horizontal-to-tilted irradiance conversion at high latitudes. The main goals of the work are 1) to assess the extent to which the literature accounts for decomposition ... -
Hot corrosion of Gd2Zr2O7, Gd2Zr2O7/YbSZ, YSZ+Gd2Zr2O7/YbSZ, and YSZ thermal barrier coatings exposed to Na2SO4+V2O5.
(Peer reviewed; Journal article, 2020)Gd2Zr2O7 ceramic is considered as a potential candidate for thermal barrier coatings. Here we present hot corrosion behavior of single layer Gd2Zr2O7 (GZO), Gd2Zr2O7 + 50 wt% YbSZ (GZO/YbSZ), YSZ and double-layer ... -
Hot Pressing and Characterization of Powder Based Silicon Substrates for Photovoltaic Applications.
(Master thesis, 2012)High purity silicon material in solar cell fabrication constitutes 40% of the total cost for conventional solar cell production. One approach to reduce costs would be to use less of this expensive silicon by making thin ... -
Hot pressing and degradation of TiB inert cathodes
(Doktoravhandlinger ved NTNU, 1503-8181; 2009:127, Doctoral thesis, 2009)Primary aluminium production is an energy intensive process, and the aluminiumindustry strives to lower the energy consumption. However, with the current technology a considerable reduction in the energy consumption is ... -
How Slight Solidification Rate Variations within Cast Plate Affect Mechanical Response: A Study on As-Cast A356 Alloy with Cu Addition
(Journal article; Peer reviewed, 2018)The present work investigates a narrow range of secondary dendrite arm spacing (SDAS), in an as-cast A356 alloy with and without copper (Cu) additions. Cu was added to the base A356 alloy melt to reach the target concentration ... -
How to probe structure, kinetics and dynamics at complex interfaces in situ and operando by optical spectroscopy
(Chapter, 2017)Techniques using light in a large spectral range are well suited to study interfaces. Photon-based techniques have a special strength when it comes to application in situ and operando. This article introduces some of the ... -
Hvordan Ilmenitt Reduksjon med Hydrogengass Endres ved Introduksjon av Vanndamp
(Bachelor thesis, 2020)I dette prosjektet ble det gjennomført to forsøk. Begge forsøkene ble gjort for å undersøke reduksjonen av ilmenitt ved 900°C. Startproduktet var for-oksidert sandilmenitt fra Mosambik. Test 1 brukte 100% hydrogengass i ... -
Hvordan salting påvirker snøforholdene i skiløyper og nærliggende natur
(Bachelor thesis, 2019)I løpet av dette prosjektet har det blitt diskutert ulike metoder for salting av snø i håp om å finne en optimal løsning for salting av snø i skiløyper. En forklaring på hvordan snø dannes, i tillegg til utvalgte fysiske ... -
Hybrid Aminopropyl Silane-based Coatings on Steel
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:276, Doctoral thesis, 2012)Thin coatings applied to metals is a material-saving process to improve the surface properties such as abrasion and corrosion resistance of the substrate. Pure inorganic coatings are generally too thin to offer long-term ...