Browsing NTNU Open by Title
Now showing items 27568-27587 of 100764
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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 Metal Oxides for Solar Cell Applications
(Master thesis, 2012)This thesis investigates the electrodeposition process of zinc-, copper-, silver-, and silver copperoxides at cathodic and anodic voltages. Silver copper oxide has been successfully electrodepositedon a substrate of PtSi ... -
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 ... -
Electrodialysis in Hydrometallurgical Processes
(Chapter, 2020)Electrodialysis (ED) is an ionic exchange membrane process for separation of different components and species. In desalination, a large part of the energy is used to sustain a concentration difference between the solutions, ... -
Electrodialysis in Hydrometallurgical Processes
(The Minerals, Metals & Materials Series;, Chapter; Peer reviewed, 2020)Electrodialysis (ED) is an ionic exchange membrane process for separation of different components and species. In desalination, a large part of the energy is used to sustain a concentration difference between the solutions, ... -
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 ... -
Electroencephalographic Source Localization based on Enhanced Empirical Mode Decomposition
(Journal article; Peer reviewed, 2019) -
Electroformation of Janus and patchy capsules
(Journal article; Peer reviewed, 2014)Janus and patchy particles have designed heterogeneous surfaces that consist of two or several patches with different materials properties. These particles are emerging as building blocks for a new class of soft matter and ... -
Electrohydrodynamic Structuring of Colloidal Particles on Leaky Dielectric Drops
(Master thesis, 2013)This Master's thesis shows experimentally how colloidal particles in leakydielectric liquid drops are actively structured by applying a DC electric eld.Colloidal particles in small droplets with a diameter of 100 m show ... -
Electrohydrodynamics and particle sintering as methods for production of microporous capsules
(Master thesis, 2019)Kapsler av alle størrelser brukes i både vitenskapelige og medisinske områder. De kan være enten forseglede eller porøse for å regulere materialstrøm. I denne oppgaven blir konstruksjonen av porøse sfæriske kapsler undersøkt, ...