Browsing Theses by Subject "electrochemistry"
Now showing items 1-8 of 8
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Applications of Graphene in Vanadium Redox Flow Batteries
(University of Waterloo, 2023-12-22)Vanadium redox flow batteries (VRFBs) exhibit great promise as easily scalable, long-lasting, modular systems for grid-scale energy storage. However, vanadium crossover and poor reaction kinetics increase their operating ... -
Design and Engineering of Hierarchically Porous Transition Metal-based Electrocatalysts for Rechargeable Zn-air Batteries
(University of Waterloo, 2020-01-17)Electrochemical oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are the critical cathodic and anodic reactions, respectively, in electrically rechargeable Zn-air battery. With a variety of advantages ... -
Electroorganic CO₂ Fixation Via Paired Electrolysis and Nanoscale Electrocatalysis
(University of Waterloo, 2023-08-17)Sustainable energy driven electroorganic synthesis provides a green and inexpensive alternative to traditional synthetic approaches. For instance, the electroreduction of many classes of organic molecules enables the ... -
Nanostructured Materials and Electrodes Engineering for Efficient CO2 Conversion
(University of Waterloo, 2020-09-11)The conversion of CO2 to valuable chemicals via electrochemical CO2 reduction reactions (CO2RR) offers a clean approach for recycling CO2 with sustainable and environmental benefits. Among a variety of derived chemicals, ... -
Nanostructured oxygen reduction catalyst designs to reduce the platinum dependency of polymer electrolyte fuel cells
(University of Waterloo, 2015-07-24)Polymer electrolyte fuel cells (PEFCs) are electrochemical devices that efficiently convert hydrogen and oxygen into electricity and water. Their clean point of operation emissions and fast refueling times have resulted ... -
Oxygen Reduction Reaction on Doped Lanthanum Chromate Perovskites
(University of Waterloo, 2024-01-19)The oxygen reduction reaction (ORR) plays a pivotal role in fuel cell technology and the generation of clean oxidizing agents. This reaction can proceed via two distinct pathways. The complete ORR pathway involves reducing ... -
Rational Structure Design of Transition Metal Chalcogenide Multifunctional Sulfur Immobilizer for Fast and Durable Li-S Performance
(University of Waterloo, 2020-08-12)Lithium-sulfur (Li-S) batteries are one of the most promising candidates for next-generation energy storage owing to their high energy density, environmental benignity and cost effectiveness. However, the practical application ... -
Rationally Engineering Porous Carbon-Based Metal Nanocomposites for Efficient and Durable Electrocatalysis Applications
(University of Waterloo, 2021-08-26)Electrocatalysis plays an essential role in electrochemical energy storage and conversion, enabling a number of sustainable processes for future technologies such as metal−air batteries, sulfur-based batteries, and carbon ...