Browsing Theses by Subject "PEM fuel cell"
Now showing items 1-5 of 5
-
Catalyst Layers in Polymer Electrolyte Membrane Fuel Cells: Formation, Characterization and Performance
(University of Waterloo, 2019-01-25)The structure of the catalyst layers (CLs) has a decisive impact on the performance, durability, and cost of polymer electrolyte membrane (PEM) fuel cells – these are the main technical challenges to the commercialization ... -
Experimental Methods and Mathematical Models to Examine Durability of Polymer Electrolyte Membrane Fuel Cell Catalysts
(University of Waterloo, 2013-06-19)Proton exchange membrane fuel cells (PEMFC) are attractive energy sources for power trains in vehicles because of their low operating temperature that enables fast start-up and high power densities. Cost reduction and ... -
Mathematical Modeling of Transient Transport Phenomena in PEM Fuel Cells
(University of Waterloo, 2009-12-07)The dynamic performance of polymer electrolyte membrane fuel cells (PEMFCs) is of great interest for mobile applications such as in automobiles. However, the length scale of a PEM fuel cell's main components are ranging ... -
Measurement and Characterization of Heat and Mass Diffusion in PEMFC Porous Media
(University of Waterloo, 2012-09-19)A single polymer electrolyte membrane fuel cell (PEMFC) is comprised of several sub-millimetre thick layers of varying porosity sandwiched together. The thickness of each layer, which typically ranges from 10 to 200μm, is ... -
Platinum Group Metal-Free Catalyst and Catalyst Layer Design for PEM Fuel Cells
(University of Waterloo, 2019-12-12)Facing the crises of energy shortage and climate change, it becomes increasingly urgent to find renewable and low carbon emission replacements for fossil fuels. Renewable energy such as wind power, hydropower, solar energy, ...