Browsing Institutt for materialteknologi by Title
Now showing items 2218-2237 of 2559
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Syntese av referanse standarder for kvartære ammonium stoffer (QUATS)
(Bachelor thesis, 2022)I dette prosjektet ble elleve kvartære ammonium stoffer (QUATS) syntetisert for bruk som referansestandarder. ˚Atte av disse stoffene tilhører gruppen dialkyldimetylammonium klorider (DDACs) og tre tilhører gruppen ... -
Syntese og karakterisering av katalysatorer for vannelektrolyse.: Effekt av bærestrukturer og synteseforhold på den katalytiske aktiviteten
(Master thesis, 2011)I denne masteroppgaven ble det syntetisert iridiumbaserte katalysatorer på en bærerstruktur for oksygenutviklingsreaksjonen i en PEM vannelektrolysør, ved hjelp av en polyolmetode. Katalysatorpulverne ble karakterisert ved ... -
Syntetisering av NMC111-katoder til Litium-ionbatterier
(Master thesis, 2019)Å oppnå Li-ion batterier (LIBer) med høy energy tetthet, avhenger blandt annet av pulveregenskapene til det aktive katodemateriale. Det er under syntesen av dette pulveret de ekstrinsike og intrinsike egenskapene blir ... -
Synthesis and Characterisation of NMC622 Cathodes for Lithium-Ion Batteries
(Master thesis, 2019)Effektive batterier med høy kapasitet blir stadig viktigere i samfunnet, hvor folk blir mer og mer avhengig av bærbare elektroniske enheter og elektriske kjøretøy. På bakgrunn av dette har Glencore Nikkelverk AS startet ... -
Synthesis and characterisation of textured lead-free piezoelectric ceramics
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:139, Doctoral thesis, 2014)Lead-based piezoelectric ceramics are applied extensively in electromechanical devices. While lead-free alternatives are available, their performance and/or reliability have not yet been developed to the extent that they ... -
Synthesis and characterisation of the nanostructured magnesium-lanthanum-nickel alloys for Ni-metal hydride battery applications
(Master thesis, 2012)Affordable price, high abundance of magnesium and high densities of hydrogenin the Mg-based hydrides attract interest to these hydrides tailored for hydrogenand energy storage applications. Ternary La-Mg-Ni hydrogen storage ... -
Synthesis and Characterisation of the Plastic Crystal Solid Solution Systems [(CH3)4N]x[(CH3CH2)4N]1-x[FeBrCl3] (x = 0.7 - 1)
(Master thesis, 2021)Gjennom deres reversible permanente polarisering har ferroelektriske materialer funnet bruksområder innen flere grener av teknologi, som for eksempel digitalt minne, filtre eller sensorer. Dagens konvensjonelle ferroelektriske ... -
Synthesis and Characterization of 12CaO·7Al2O3 Slags: The Effects of Impurities and Atmospheres on the Phase Relations
(Journal article; Peer reviewed, 2020)Synthesis of crystalline slags of 12CaO·7Al2O3 phase from the corresponding melt compositions in different atmospheric conditions and different purities is investigated. Observations using a thermogravimetry coupled with ... -
Synthesis and Characterization of CeO2- and LaNbO4-based Ionic Conductors
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:181, Doctoral thesis, 2006)Ceramic electrolytes that conduct either oxygen ions or protons at intermediate temperatures are important materials for use in e.g. solid oxide fuel cells, the prime candidate to produce electricity by electrochemical ... -
Synthesis and characterization of hybrid aminopropyl silane-based coatings on stainless steel substrates
(Journal article; Peer reviewed, 2014)Transparent and homogeneous hybrid aminopropyl silane-based coatings on steel were prepared by the sol–gel method using hydrolyzed γ-APS as a precursor. The coatings were fabricated by dip coating, and the effect of pH, ... -
Synthesis and Characterization of Hydrogen Transport Membranes
(Master thesis, 2012)Hydrogen transport membranes have gained interest from industry as an alternative to pressure swing adsorption or cryogenic distillation, and are aimed to reduce cost, equipment size, energy consumption and waste generation. ... -
Synthesis and Characterization of Lead-free Ferroelectric Tetragonal Tungsten Bronzes
(Master thesis, 2020)Faststoffløsningen mellom de to blyfrie keramiske materialene med tetragonal wolframbronse-struktur, Ba4Na2Nb10O30 (BNN) og K4Bi2Nb10O30 (KBiN), ble studert. Studiens mål var å lete etter en morfotropisk faseovergang. ... -
Synthesis and characterization of NiMo for efficient hydrogen production from water electrolysis
(Master thesis, 2022)NiMo-legeringer anses som svært aktive katalysatorer for Hydrogen Evolution Reaction (HER) i alkaliske elektrolytter. I denne studien blir den grunnleggende aktiviteten for HER av NiMo-legeringskatoder med sammenlignbare ... -
Synthesis and Development of Highly Selective Pyrrolo[2,3-d]pyrimidine CSF1R Inhibitors Targeting the Autoinhibited Form
(Peer reviewed; Journal article, 2023)Colony-stimulating factor-1 receptor (CSF1R) is a receptor tyrosine kinase that controls the differentiation and maintenance of most tissue-resident macrophages, and the inhibition of CSF1R has been suggested as a possible ... -
Synthesis and oxygen transport properties of La2 − ySryNi1 − xMoxO4 + δ
(Journal article; Peer reviewed, 2016)La2NiO4 + δ-based materials (LN) with tetragonal K2NiF4-type structure exhibit high electronic and oxygen ion conductivity. In this work synthesis, phase relations and oxygen transport properties are reported for the system ... -
Synthesis and Properties of Electrolyte and Cathode Materials for Proton Conducting Fuel Cells
(Doktoravhandlinger ved NTNU, 1503-8181; 2012:165, Doctoral thesis, 2012)Solid oxide fuel cells using proton conducting electrolytes are potentially efficient devices for energy conversion, but there is a need for improving the performance of the materials to make them economically feasible. ... -
Synthesis and Properties of YBaCo2O5+δ for Solid Oxide Fuel Cell Cathodes
(Master thesis, 2016)The layered double perovskite YBaCo2O5+δ was synthesised and characterised. The synthesis was done by solid-state reaction with several calcination steps at temperatures between 1000°C and 1130°C. The structure was ... -
Synthesis and Reduction-Carburization of (Fe,Mg)(Cr,Al)2O4 Composite Spinel Solid Solution With CH4
(Doctoral theses at NTNU;2018:193, Doctoral thesis, 2018) -
Synthesis and Structural Stability Investigations of Mg and Nb Modified Ultra-High Ni Layered Oxides for Li-ion Batteries
(Master thesis, 2022)Nikkel-rike lagbygde oksider har blitt bevist å kunne oppnå veldig høy kapasitet noe som har ført til stor interesse for dem i industrien. En negativ egenskap ved disse materialene er derimot den strukturelle ustabiliteten ... -
Synthesis and thermal decomposition of sodium rare-earth borohydride halides
(Master thesis, 2019)Sjeldne jordarts borhydrider har tiltrukket seg stor interesse på grunn av deres mulighet for energilagring. Materialene har et høyt hydrogeninnhold og gode ledningsevner for Li-ioner. Det kreves imidlertid høye temperaturer ...