Blar i Institutt for materialteknologi på tittel
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Electrochemical studies and phase-structural characterization of a high-capacity La-doped AB(2) Laves type alloy and its hydride
(Journal article; Peer reviewed, 2019)This work was focused on studies of structural and electrochemical properties of the La-doped AB2-type Zr/Ti-based metal hydride anode alloys. The Ti0.2Zr0.8La0-0.05Ni1.2Mn0.7V0.12Fe0.12 alloys were characterized using ... -
Electrochemical Study of Aluminum Chloride in Basic Chloride Melts with Oxide Additions
(Master thesis, 2020)Hall-Héroult prosessen har dominert fremstillingen av aluminium i over et århundre. Flere alternative prosesser har blitt foreslått, hvorav “Alcoa Smelting Process” som ble utviklet på 70-tallet anses for å være den eneste ... -
Electrode behaviors of Na-Zn liquid metal battery
(Journal article; Peer reviewed, 2017)The electroreduction processes on a Mo electrode in a Na-Zn liquid metal battery cell with a molten NaCl-CaCl2-ZnCl2 electrolyte were investigated at 565°C. The effect of the battery operating parameters on the loss rate ... -
Electrode paste behaviour in Søderberg electrodes in ferroalloys production
(Doctoral theses at NTNU, 2019:325, Doctoral thesis, 2019)The main goal of this work has been to study the melting behavior of electrode paste used in Søderberg electrodes in ferroalloy production. It has been done by first measuring temperatures in an industrial electrode and ... -
Electrode potential dependent desolvation and resolvation of germanium(100) in contact with aqueous perchlorate electrolytes
(Journal article; Peer reviewed, 2017)The electrode potential dependence of the hydration layer on an n-Ge(100) surface was studied by a combination of in situ and operando electrochemical attenuated total reflection infrared (ATR-IR) spectroscopy and real ... -
Electrodeoxidation of Iron Oxide in Aqueous NaOH Electrolyte
(Peer reviewed; Journal article, 2020)The production of iron and steel contributes to ~10 % of global CO2 emissions. Electrolysis is an alternative route to eliminate CO2 formation. Experiments were carried out in NaOH-H2O (50-50 wt%) electrolyte with a ... -
Electrodeposition mechanism of ZnSe thin film in aqueous solution
(Journal article, 2017)ZnSe is one of the important and excellent II–VI semiconductor materials, which has direct transition band structure. In this paper, ZnSe thin films were prepared by an electrochemical deposition method, and the formation ... -
Electrodeposition of Aluminium and Co-Deposition of Alloying Elements Titanium, Manganese and Silicon in Molten Fluoride Electrolyte
(Peer reviewed; Journal article, 2022)Primary aluminium is produced by the Hall-Heroult process which is based on electrolysis in molten fluoride electrolyte, Na3AlF6-AlF3, at ~960 oC in which the raw material alumina is dissolved and decomposed into pure ... -
Electrodeposition of aluminium containing alloys from molten fluoride electrolytes containing metal oxides
(Peer reviewed; Journal article, 2020)Aluminium is produced by the Hall-Heroult process by electrowinning in a molten fluoride electrolyte with dissolved alumina at ~955oC. Several metallic impurities typically end up in the produced metal due to the fact that ... -
Electrodeposition of aluminium-titanium alloys from molten fluoride-oxide electrolytes
(Peer reviewed; Journal article, 2021)This study reports the direct production of an aluminium-titanium alloy during aluminium electrolysis in fluoride-based melts. Experiments were conducted in a laboratory cell dedicated to current efficiency measurements. ... -
Electrodeposition of indium and tin from molten chloride electrolytes
(Journal article; Peer reviewed, 2017)Recycling of electronic waste to recover the metal value is of prime importance, especially for metals with limited resources. An electrochemical approach should be an interesting option to develop sustainable recycling ... -
Electrodeposition of Silicon in Fluoride Melts: Production of Silicon Films
(Master thesis, 2011)There has been considerable interest in electrodeposition of silicon from fluoride melts on a suitable substrate for its application in thin film solar cells. The goal of this work is to produce a high purity silicon films ... -
Electrodeposition of Silicon with a Liquid Gallium Cathode in Molten Salts
(Journal article; Peer reviewed, 2019)Further development of solar power depends largely on the availability of inexpensive solar grade silicon. Electrodeposition is a candidate method to produce high purity silicon at a reasonable cost. A new approach using ... -
Electrodeposition of zinc from acidic electrolyte
(Master thesis, 2017)Industrial zinc electrowinning is carried out in an aqueous solution of zinc sulfate in sulfuric acid. The anodes are made of a lead-silver alloy and the cathodes are made of a relatively pure aluminium alloy. A common ... -
Electrodialytic Energy Storage System: Permselectivity, Stack Measurements and Life-Cycle Analysis
(Peer reviewed; Journal article, 2020)Reverse electrodialysis and electrodialysis can be combined into a closed energy storage system, allowing for storing surplus energy through a salinity difference between two solutions. A closed system benefits from simple ... -
Electrolysis in reduced gravitational environments: current research perspectives and future applications
(Peer reviewed; Journal article, 2022)Electrochemical energy conversion technologies play a crucial role in space missions, for example, in the Environmental Control and Life Support System (ECLSS) on the International Space Station (ISS). They are also vitally ... -
Electrolysis of indium oxide in LiCl-KCl based molten salts with a liquid cathode
(Peer reviewed; Journal article, 2020)In this work, the feasibility of extracting of metallic indium from In2O3and ITO through the direct electrochemical reduction at 450°C in molten salt LiCl-KCl was studied. Cyclic voltammetry was carried out to study the ... -
Electrolyte Melt Compositions for Low Temperature Molten Carbonate Thermocell
(Journal article; Peer reviewed, 2018)Industrial processes for the production of metals and alloys by metallurgical and electrochemical methods generate a great deal of waste heat due to irreversible losses. This waste heat may be used as a power source to ... -
Electrolytic Removal of Chloride from Acidic Nitrate Solutions
(Master thesis, 2014)Chloride containing ores are among other things often used as the raw material in metal electrowinning from aqueous solutions. The dissolution of this ore may cause problems as chlorine gas will be evolved either as a side ... -
Electromagnetic Casting of Aluminium: Analyzing the Effect of EM Fields on Al and Al-Si Alloy Compared to Commercial Grain Refiners
(Bachelor thesis, 2022)Dette prosjektet hadde som formål å sammenligne den mulige kornfinings effekten fra et indusert elektromagnetisk felt med kommersielle kornfinere på en kommersiellt ren aluminium (99.7%) og en aluminium-silisium legering ...