Browsing Chemical Engineering by Title
Now showing items 518-537 of 988
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An ion conductive polyimide encapsulation: New insight and significant performance enhancement of sodium based P2 layered cathodes
(Elsevier, 2019-11)It is essential to stabilize the surface of P2 layered cathode materials at high cut-off voltages (>4.3 V) in order to construct high-energy sodium ion batteries (SIB) that are promising for commercial application. When ... -
Ionic Liquid Assisted Composite Ceramic-Polymer Electrolyte for Lithium Metal Batteries
(University of Waterloo, 2020-02-11)Facing demands for smaller and more powerful batteries to keep pace with technological advances, as the conventional lithium-ion battery (LIB) is reaching its inherent physicochemical limit, new electrode materials must ... -
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 ... -
Ionic-complementary Peptide Modified Electrode for Biosensing Application
(University of Waterloo, 2009-09-17)Self-assembling peptides have emerged as new nanobiomaterials and received considerable attention in the areas of nanoscience and biomedical engineering. One important type is the ionic-complementary peptide, which contains ... -
Irreversible Oxidation Reaction in Aqueous Rechargeable Zn-MnO2 Batteries and Its Elimination for High Reversibility at Low Current Density
(University of Waterloo, 2021-11-30)With the ascending requirements of global energy storage, secondary batteries are receiving significant attentions. Lithium-ion batteries (LIBs) have been dominating the market over the decades because of their superior ... -
Iterative Coupled Shell/Tube Simulation of Waste Heat Boilers using Computational Multiphysics
(University of Waterloo, 2019-08-02)Removal of sulphur from fossil fuels is important in order to avoid the emission of sulphur oxides into the atmosphere, exposure to which has negative health and environ- mental effects. Sulphur is removed from refinery ... -
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 ... -
Kinetic characterization and modelling of sequentially entrapped enzymes in 3D-printed PMMA microfluidic reactors for the synthesis of amorphadiene via the isopentenol utilization pathway
(University of Waterloo, 2021-08-19)Recent technological developments in the field of additive manufacturing have gained researcher attention as a low cost, high resolution, method for the fabrication of microfluidic reactors. In recent years cascade immobilized ... -
Kinetic Investigation and Modelling of Multi-Component Polymer Systems with Depropagation
(University of Waterloo, 2005)The phenomenon of depropagation or reverse polymerization for multicomponent polymerizations has been studied in detail. The monomer Alpha-Methyl Styrene (AMS) has been copolymerized with Methyl Methacrylate (MMA) and ... -
A Kinetic Study of Acrylamide/ Acrylic Acid Copolymerization
(University of Waterloo, 2010-05-19)Homo- and co-polymers of acrylamide (AAm) and acrylic acid (or acrylate salt) (AA) or methacrylic acid (MAA)) are important classes of water-soluble polymers due to their numerous applications in fields such as super ... -
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 ... -
Layer-by-layer Self-assembly Membranes for Solvent Dehydration by Pervaporation
(University of Waterloo, 2013-12-09)In this study, polyelectrolyte membranes were prepared by layer-by-layer self-assembly on top of an interfacially polymerized polyamide substrate, and these thin-film-composite membranes were studied for pervaporative ... -
Layer-by-layer self-assembly of nanofilatration membrane for water and wastewater treatment
(University of Waterloo, 2015-04-29)In this study, polyelectrolyte composite membranes were prepared using layer-by-layer (LbL) self-assembly of chitosan/poly(acrylic acid) (chitosan/PAA) on polyethersulfone (PES) substrates. These thin-film-composite (TFC) ... -
Life Cycle Assessment of Residential Buildings Considering Photovoltaic Systems
(University of Waterloo, 2018-09-05)Nowadays, energy consumption in the building sector is considered one of the main contributors to increased carbon dioxide (CO2) emissions, which is having an enormous negative environmental impact worldwide. Correspondingly, ... -
Light-Fueled Liquid Crystal Networks for Aquatic Soft Robotics
(University of Waterloo, 2023-09-21)The field of soft robotics has developed in response to the need for mechanisms that can operate safely in interaction with humans. Within the field of soft robotics, there is a growing demand for the development of ... -
Lignin derived nano-biocarbon: its deposition on polyurethane foam for wastewater dye adsorption and as a filler for composite applications
(University of Waterloo, 2021-05-31)The use of natural biopolymers has seen a resurgence, due to their performance in natural organisms and biodegradable properties from an environmental perspective. As countries around the world continue to implement green ... -
Liquid Crystal Networks for Smart Biomimetic Micro/nano Structured Adhesives
(University of Waterloo, 2017-04-12)As modern technology demands for miniaturized structures with higher surface area to the volume ratio, the design and synthesis of materials with tailored surfaces is becoming more important. Moreover, some emerging ... -
Liquid Crystalline Polymer Brushes
(University of Waterloo, 2016-08-23)Liquid crystalline polymers are one of the best examples of successful interaction between sciences. This interdisciplinary area of study has benefited from popularity of polymers and uniqueness of liquid crystals. Liquid ... -
Live cell imaging, cell tracking and lineage analysis as a tool to investigate dynamic culture processes in heterogeneous cell systems
(University of Waterloo, 2009-10-01)Live cell imaging can be used to study dynamic cellular systems at single cell resolution. In heterogeneous cell populations, analyzing cell properties at the single cell level reduces the generalization of results caused ... -
A Long-acting Ocular Lubricant Eye Drop based on Dextran Hydrogel Nanoparticles
(University of Waterloo, 2019-03-27)Dry eye disease is a highly prevalent condition that affects hundreds of millions of people worldwide. In moderate to severe cases, affected individuals experience considerable difficulty in carrying out their day-to-day ...