Browsing Electronic Theses and Dissertations by Author "Easton, Brad"
Now showing items 1-12 of 12
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Alloy catalysts for fuel cell-based alcohol sensors
Zamanzad Ghavidel, Mohammadreza (2016-05-01)Direct ethanol fuel cells (DEFCs) are attractive from both economic and environmental standpoints for generating renewable energy and powering vehicles and portable electronic devices. The cost and performance of the DEFCs ... -
Anodic alcohol fuel cell reactions at platinum active sites on doped metal oxide supports
Black-Araujo, Keenan (2022-12-01)Fuel cells produce electrical energy via chemical reactions, which take place on the carbon supported platinum catalyst (Pt/C). As attractive as these devices may seem, their practicality is often limited by the functionality ... -
Detection of gasoline from internal tissues for use in determining victim status at the time of a fire
Pahor, Kevin (2012-08-01)In Ontario, fire investigators from the Office of the Fire Marshal (OFM) are responsible for determining the origin and cause of suspicious fires. As part of the investigation, fire debris samples are collected from the ... -
Effect of copper contamination at the cathode in Cu-Cl electrolyzers for hydrogen production
Cobourn, Sydney L. (2020-04-01)In this work the effects of copper contamination on the coulombic and voltage efficiency of the hydrogen evolution reaction (HER) via the Cu-Cl thermochemical cycle are investigated. A novel proton pump configuration was ... -
Functionalized carbon surfaces for clean electrochemical energy systems
Fruehwald, Holly M. (2022-03-01)The development and implementation of clean energy technologies is the way to overcome the global energy crisis and reduce pollution. Therefore, new energy solutions are rapidly needed. Fuel cells (FCs) may become one such ... -
Investigation of an alternative sulfonated silane in ceramic carbon electrodes for fuel cell applications
Reid, O'Rian Omar (2015-09-01)The fabrication of an ideal electrode material for fuel cell application that can maintain an optimal water content in both low and high relative humidity (RH) conditions has been studied by many research groups. Previous ... -
Modified Nafion membranes for hydrogen production in Cu-Cl thermochemical cycle
Abdo, Naser (2015-07-01)The decomposition of water by a thermochemical cycle is a promising green method of producing hydrogen on a large scale. A thermochemical cycle is a combination of thermal and chemical reactions that ultimately leads to ... -
Non-precious metal catalysts prepared by chemical functionalization of carbon surfaces.
Mavilla, Stephanie (2014-08-01)New sources of power are of great interest as attempts to make smaller, more convenient and environmentally friendly sources are being investigated. Hydrogen fuel cells are a way to combine both an effective method of power ... -
Probing the influence of relative humidity and temperature on the sulfonated silica ceramic carbon electrode for PEM fuel cell operation
Acheampong, Richard (2019-05-01)Operation of fuel cells under low relative humidity (RH) and high temperature is a useful way to cut-down cost and increase performance. However, the Nafion ionomer employed in the electrode of the conventional fuel cells ... -
Synthesis and characterization of Pt/TiO2/C composite catalysts for fuel cells prepared using a glucose modifier
Odetola, Christopher (2017-03-01)Catalysts in the electrodes of polymer exchange membrane fuel cells (PEMFCs) serve a critical function in reactions which can be used to generate electrical energy from chemical fuels. Pt nanoparticles are commonly dispersed ... -
Synthesis and characterization of purely sulphonated and composite membranes for high temperature fuel cells
De Almeida, Nicole E. (2010-04-01)Fuel cell technologies have developed high interest due to their ability to provide energy in an environmentally friendly method. Proton exchange membrane fuel cells (PEM-FCs) require a PEM for use, where the most accepted ... -
Understanding the carbon morphology in sulfonated-silica ceramic carbon electrodes for the PEM fuel cell device
Cavallari, Veronica Janie (2020-03-01)Using hydrogen and oxygen gas, the fuel cell is a device that converts chemical energy into electrical energy. Particularly, the proton exchange membrane fuel cell, has multiple components, all that are consistently being ...