Browsing NTNU Open by Author "Burheim, Odne Stokke"
Now showing items 1-20 of 47
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A review of the curious case of heat transport in polymer electrolyte fuel cells and the need for more characterisation
Burheim, Odne Stokke; Pharoah, JG (Journal article; Peer reviewed, 2017)As the polymer electrolyte membrane fuel cell (PEMFC) matures performance keeps increasing—mainly in terms of conversion rate rather than efficiency. Increased conversion results in increased heat release. Fuel cell ... -
Combining building automation control systems with envelope retrofitting to improve the energy performance of cold climate housing
Felius, Laurina Cornelia (Doctoral theses at NTNU;2021:167, Doctoral thesis, 2021)Improving the energy efficiency of buildings by combining envelope and energy systems retrofitting with smart technologies is recommended by the Energy Performance of Buildings Directive. The largest share of the existing ... -
Depotlading av elektriske busser i Oslo og Akershus
Bratlie, Frida; Haaskjold, Kristina; Nesje, Andreas Tveita (Bachelor thesis, 2019)Som en del av elektrifiseringen av den norske transportsektoren er elektriske busser et viktig bidrag for å redusere klimagassutslippet. Oslo ønsker å være i toppen av elektrifiseringen og ble tildelt tittelen Europeisk ... -
Electrodialytic Energy Storage System: Permselectivity, Stack Measurements and Life-Cycle Analysis
Krakhella, Kjersti Wergeland; Morales, Marjorie; Bock, Robert; Seland, Frode; Burheim, Odne Stokke; Einarsrud, Kristian Etienne (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 ... -
Energy generation and storage by salinity gradient power: A model-based assessment
Jalili, Zohreh; Krakhella, Kjersti Wergeland; Einarsrud, Kristian Etienne; Burheim, Odne Stokke (Journal article; Peer reviewed, 2019)Three energy storage systems based on mixing and desalination of solutions with different salt concentrations are presented, namely, reverse electrodialysis, pressure retarded osmosis and capacitive Donnan potential, coupled ... -
Experimental Study of Thermal Conductivity and Compression Measurements of the GDL-MPL Interfacial Composite Region
Bock, Robert; Shum, Andrew; Khoza, Thulile; Seland, Frode; Hussain, Nabeel; Zenyuk, Iryna V.; Burheim, Odne Stokke (Journal article, 2016)MPL and GDL in a PEM fuel cell assembly are often treated as separate layers in the literature. However, there exists a considerable interfacial region where the two different materials merge. The MPL consists of fine ... -
Exploring the potential for waste heat recovery during metal casting With thermoelectric generators: On-site experiments and mathematical modelling
Børset, Marit Takla; Wilhelmsen, Øivind; Kjelstrup, Signe; Burheim, Odne Stokke (Journal article; Peer reviewed, 2016)Thermoelectric power generators are scalable and simple systems for recovering waste-heat disposed by the industry. We combine on-site measurements and a mathematical model to study the potential for power generation with ... -
Heat Sources, Thermal Conductivity and Heat Distribution in Electrochemical Energy Storage Technologies
Bock, Robert (Doctoral theses at NTNU;2018:408, Doctoral thesis, 2018)The work presented in this thesis is based on taking thermal conductivity measurements of a range of materials used in three different electrochemical energy storage technologies. Specifically, two hydrogen technologies, ... -
Heat to H2: Using Waste Heat for Hydrogen Production through Reverse Electrodialysis
Krakhella, Kjersti Wergeland; Einarsrud, Kristian Etienne; Burheim, Odne Stokke; Seland, Frode; Bock, Robert (Journal article; Peer reviewed, 2019)This work presents an integrated hydrogen production system using reverse electrodialysis (RED) and waste heat, termed Heat to H2. The driving potential in RED is a concentration difference over alternating anion and cation ... -
Heat to H2: Using Waste Heat to Set Up Concentration Differences for Reverse Electrodialysis Hydrogen Production
Skilbred, Ellen Synnøve; Krakhella, Kjersti Wergeland; Haga, Ida Johanne; Pharoah, Jon; Hillestad, Magne; del Alamo Serrano, Gonzalo; Burheim, Odne Stokke (Journal article; Peer reviewed, 2018)The present work suggests two concepts for producing hydrogen by reverse electrodialysis. Reverse electrodialysis is a technology that uses concentration differences to create electrical energy. In this work, the energy ... -
Improving carbon efficiency and profitability of the biomass to liquid process with hydrogen from renewable power
Hillestad, Magne; Ostadi, Mohammad; del Alamo Serrano, Gonzalo; Rytter, Erling; Austbø, Bjørn; Pharoah, Jon; Burheim, Odne Stokke (Journal article; Peer reviewed, 2018)A process where power and biomass are converted to Fischer-Tropsch liquid fuels (PBtL) is compared to a conventional Biomass-to-Liquid (BtL) process concept. Based on detailed process models, it is demonstrated that the ... -
The influence of concentration and temperature on the membrane resistance of ion exchange membranes and the levelised cost of hydrogen from reverse electrodialysis with ammonium bicarbonate
Raka, Yash Dharmendra; Bock, Robert; Karoliussen, Håvard; Wilhelmsen, Øivind; Burheim, Odne Stokke (Peer reviewed; Journal article, 2021)The ohmic resistances of the anion and cation ion-exchange membranes (IEMs) that constitute a reverse electrodialysis system (RED) are of crucial importance for its performance. In this work, we study the influence of ... -
Influence of electrode gas flow rate and electrolyte composition on thermoelectric power in molten carbonate thermocell
Kandhasamy, Sathiyaraj; Calandrino, Luca; Burheim, Odne Stokke; Solheim, Asbjørn; Kjelstrup, Signe Helene; Haarberg, Geir Martin (Journal article, 2016)A thermocell (thermo-electrochemical cell) is an electrochemical system with two identical electrodes placed at different temperatures in an electrolyte solution. Ion transport between the electrodes due to the temperature ... -
Influence of Electrode Gas Flow Rate and Solid Oxide Ratio in Electrolyte on the Seebeck Coefficient of Molten Carbonate Thermocell
Kandhasamy, Sathiyaraj; Calandrino, Luca; Burheim, Odne Stokke; Solheim, Asbjørn; Kjelstrup, Signe; Haarberg, Geir Martin (Journal article; Peer reviewed, 2017)Thermocells represent a promising way to utilize heat as a power source. The aim of this work is to develop a thermocell with identical gas electrodes using molten carbonate-based electrolytes. The cell can generate power ... -
Investigating Phase-Change-Induced Flow in Gas Diffusion Layers in Fuel Cells with X-ray Computed Tomography
Shum, Andrew; Parkinson, Dilworth Y; Xiao, Xianghui; Weber, Adam Z; Burheim, Odne Stokke; Zenyuk, Iryna V. (Journal article; Peer reviewed, 2017)The performance of polymer‐electrolyte fuel cells is heavily dependent on proper management of liquid water. One particular reason is that liquid water can collect in the gas diffusion layers (GDLs) blocking the reactant ... -
(Invited) Novel Fuel Production Based on Sonochemistry and Sonoelectrochemistry
Islam, Md. H.; Lamb, Jacob J.; Lien, Kristian M.; Burheim, Odne Stokke; Hihn, Jean-Yves; Pollet, Bruno (Journal article; Peer reviewed, 2019)Sonochemistry has been used in many applications where it is employed to improve both catalytic and synthetic processes; whereas, sonoelectrochemistry has been used in various studies including organic syntheses, environmental ... -
Lifetime of Li-ion Secondary Batteries and Measurement of Key Parameters for Internal Temperature Profile Assessment
Richter, Frank (Doctoral theses at NTNU;2019:46, Doctoral thesis, 2019)The thesis’ purpose was to contribute to the understanding of thermal gradients within Li-ion secondary batteries. A first step was the determination of thermal conductivities of various electrode materials and separators. ... -
Measuring the thermal conductivity of membrane and porous transport layer in proton and anion exchange membrane water electrolyzers for temperature distribution modeling
Bock, Robert; Karoliussen, Håvard; Seland, Frode; Pollet, Bruno; Thomassen, Magnus; Holdcroft, Steven; Burheim, Odne Stokke (Journal article; Peer reviewed, 2019)Water electrolyzers that use a membrane electrolyte between the electrodes are a promising technology towards mass production of renewable hydrogen. High power setups produce a lot of heat which has to be transported through ... -
Method for studying high temperature aqueous electrochemical systems: Methanol and glycerol oxidation
Holm, Thomas; Dahlstrøm, Per Kristian; Burheim, Odne Stokke; Sunde, Svein; Harrington, David A.; Seland, Frode (Journal article; Peer reviewed, 2016)A method for high purity aqueous electrochemical experiments at temperatures above the normal boiling point of water and at temperatures up to 140 °C is described. A three-electrode cell in a self-pressurized glass autoclave ... -
Modelling a Hybrid Energy System with Micro Hydropower for a ZEB Fulfilling the FutureBuilt Standard
Synstad, Kjell Petersen; Ekren, Halvor Bratvold; Onsrud, Martin Wirak (Bachelor thesis, 2020)For å oppnå 2-gradersmålet fra Parisavtalen, må byggenæringen kutte 60 % av sine CO2e-utslipp innen 2050, sammenlignet med nivået i 2012. Globalt står byggenæringen for omtrent 19 % av energirelaterte drivhusgassutslipp ...