Browsing Engineering (Faculty of) by Supervisor "Pope, Michael"
Now showing items 1-14 of 14
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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 ... -
Biomass Derived Laser-Induced Graphene with Embedded Catalysts: Towards Enhanced Oxygen Reduction Reaction Catalytic Performance
(University of Waterloo, 2023-06-21)Zinc-air batteries are viewed as one of the most promising energy storage technologies for consumer electronics, electric vehicles, and grid storage due to a number of benefits including relatively high theoretical specific ... -
Development of Co-Assembly Methods for Improved Graphene/Ionic Liquid Supercapacitors
(University of Waterloo, 2017-08-31)Supercapacitors, also known as electric double-layer capacitors or ultracapacitors, store energy by rapid and reversible rearrangement of ions/charges at the electrolyte/electrode interface. This physical process results ... -
Development of Flexible Lithium Sulfur Batteries Based on Laser-Induced Graphene
(University of Waterloo, 2018-08-13)Emerging technologies have become increasingly advanced with flexible components and are integrated into various interfaces, finding themselves in applications such as rollable displays, wearable technologies and e-textiles. ... -
Development of Graphene Oxide Membranes for Pervaporative Desalination
(University of Waterloo, 2018-09-04)Fresh water scarcity is quickly becoming a serious global challenge as populations grow and resources are depleted. Seawater, which makes up 97% of the water on Earth, can be a viable and sustainable source of usable water ... -
Fabrication of Graphene-based Electrodes for Electrochemical Energy Storage Devices
(University of Waterloo, 2023-08-29)Amid a global climate crisis, the urgent transition to net zero carbon emissions necessitates the development of improved electrochemical energy storage (EES) devices, such as batteries and supercapacitors. One of the most ... -
Intrinsic Capacitance, Charge Storage Mechanisms, and Defect Engineering of Molybdenum Disulfide Nanosheets
(University of Waterloo, 2020-04-23)Single layer 2D materials such as the metallic, 1T polymorph of molybdenum disulfide (MoS2) hold significant promise for next-generation supercapacitors due to their high theoretical surface area and ability to be assembled ... -
Ionic liquid/surfactant mixtures as multi-functional electrolytes for graphene-based supercapacitors
(University of Waterloo, 2022-08-26)Supercapacitors store energy by the restructuring of ions at the electrode/electrolyte interface under an applied potential. Supercapacitors bridge the gap between batteries, which are high energy density devices, and ... -
A Journey into Jamming: Phase Transitions and Edge-to-Edge Heterostructures in Langmuir Blodgett Films of Exfoliated Two-Dimensional Materials
(University of Waterloo, 2024-03-21)Two-dimensional (2D) materials hold significant promise as new electronic materials, and could enable high mobility devices, and flexible electronics. In particular, graphene and few-layer molybdenum disulfide have been ... -
Langmuir Films of Graphene-Based Materials: Towards Large Area Monolayer Deposition
(University of Waterloo, 2017-04-20)Graphene-based materials have attracted considerable interest due to their potential use in a broad range of applications including membrane separations, electronic devices and biomaterials. Their performance in many of ... -
Manipulating Exfoliated 2D Materials at the Air-Water Interface: Towards Large-area Coatings and Applications
(University of Waterloo, 2023-09-26)The aim of this thesis is to develop a versatile, large-area coating process for two-dimensional (2D) materials which preserves single-layer or exfoliated sheets and provides comprehensive investigation of the controlling ... -
Rapid Fabrication of Miniaturized Electric Double-Layer Capacitors Based on Laser Patterned Graphene oxide-Poly (Furfuryl Alcohol) Nanocomposites
(University of Waterloo, 2018-01-30)Miniaturization of various technologies has accelerated and drives new requirements for energy harvesting and storage solutions to power such devices. Reduction in size and designs requiring mechanical flexibility fuel the ... -
Rational Design and Green Fabrication of Antimicrobial Metal Nanoparticle/Cellulose Nanocrystal Composites
(University of Waterloo, 2020-09-21)The primary goals of the work presented in this thesis were to better understand how metal nanoparticles (MNPs) affect antimicrobial activity, and to develop green synthesis protocols for the fabrication of nanocomposites ... -
Towards High Performance Lithium-ion Batteries using Crumpled Graphene-Protected Silicon Anodes
(University of Waterloo, 2021-05-28)Despite silicon being a promising candidate for next-generation lithium-ion battery anodes due to its high theoretical capacity of 3590 mAh/g (Li15Si4, at room temperature), self-pulverization and the formation of an ...