Browsing University of Waterloo by Supervisor "Chen, Zhongwei"
Now showing items 1-20 of 43
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Advanced Carbon Nanomaterials as Non-Precious Metal Catalysts for Fuel Cells
(University of Waterloo, 2017-08-24)Polymer electrolyte membrane fuel cells (PEMFCs) are electrochemical devices that efficiently convert hydrogen and oxygen into electricity and water. Their clean point of operation emissions and continuous operation have ... -
Advanced Heteroatom Doped Nanocarbon Materials as Platinum Catalyst Supports for Fuel Cells
(University of Waterloo, 2016-03-17)The pressing demand for high performance, operationally stable and inexpensive electrocatalyst materials for proton exchange membrane fuel cells (PEMFCs) has spurred significant research and development interest in this ... -
Advanced membrane for water desalination and ion separation applications
(University of Waterloo, 2023-04-25)Population growth, contamination of fresh water, and climate change are increasing pressure on water supplies, accelerating the need for technological solutions that will improve access to clean water for drinking and ... -
Advanced Nanostructure Materials for Hybrid Supercapacitors
(University of Waterloo, 2017-07-05)Hybrid supercapacitors (HSCs) are electrochemical devices that combine the characteristics of batteries and supercapacitors in one asymmetric cell. Lithium ion batteries (LIBs) and supercapacitors (SCs) represent two ends ... -
Advanced non-precious metal catalyst for oxygen reduction reaction in polymer electrolyte membrane fuel cells
(University of Waterloo, 2017-09-20)To address the global energy and environmental challenges, the polymer electrolyte membrane fuel cell (PEMFC) is proposed and developed as one of the most promising power source candidates for various applications including ... -
Advanced Silicon Anode Architectures for High Energy Density Lithium-ion Batteries
(University of Waterloo, 2018-09-07)The pressing environmental issues and the continuous increase in energy demand have drawn tremendous attention to the development of advanced electrochemical energy storage systems (EESS). Lithium-ion batteries are currently ... -
Advanced Silicon-based Electrodes for Rechargeable Lithium-ion Batteries
(University of Waterloo, 2018-04-24)The pressing environmental and ecological issues with fossil fuels, together with their long-term unsustainability have driven a mighty quest for alternative energy sources. High-performance and reliable energy conversion ... -
Cobalt Decorated Hierarchical Porous Carbon Spheres for High Sulfur Loading Lithium Sulfur Batteries
(University of Waterloo, 2019-09-20)With the growing need of energy storage devices, the market shows a strong requirement of lithium-based batteries. Nowadays, Lithium ion batteries (LIBs) are dominating the battery field because of its high energy density ... -
Cobalt-Hexamine (HMT) Metal-Organic Framework-derived Bifunctional Electrocatalyst for Oxygen Reduction and Evolution Reactions
(University of Waterloo, 2019-09-13)With the high requirement of increasing people’s living standards and building a more sustainable society, electrochemical energy storage devices with large energy density, high power density, and long term durability are ... -
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 ... -
Design and Synthesis of Three-Dimensional Interconnected Porous Carbon Nanostructure and Its Nanocomposite as Anodes for Li-ion Batteries
(University of Waterloo, 2018-04-17)With ever-increasing fossil fuel consumption and the resulting environmental problems, clean and sustainable energy fuel (such as hydrogen) or energy storage technologies are highly desirable. Rechargeable lithium ion ... -
Design of Efficient Cobalt-based Bi-functional Catalysts for Zinc-Air Batteries
(University of Waterloo, 2019-04-24)Due to its high theoretical specific energy and low-cost, rechargeable zinc-air batteries have attracted tremendous attention as a promising next-generation energy conversion system. However, there are some challenges that ... -
Designing Nano-Structural Composites as Advanced Anode Materials for Highly Efficient and Stable Lithium-ion Batteries
(University of Waterloo, 2021-01-29)With the continued increase in energy demand for portable electronics, grid storage, and electric vehicles, more attention is being placed on the development of advanced energy conversion and storage systems such as metal ... -
Development of Electrodes and Coatings for Sodium Ion Energy Storage
(University of Waterloo, 2020-04-28)Sodium-ion energy storage technologies have recently garnered interest due to potential constraints in the supply of lithium in the distant future assuming that lithium-ion batteries (LIBs) are widely adopted for large-scale ... -
Development of High Loading Lithium Sulfur Battery
(University of Waterloo, 2016-04-22)The topic of batteries has been given much attention. With the development and rapid improvement of transistors, the power requirement of our electronics are quickly becoming higher and higher. Unlike Moore’s law, since ... -
Dually Crosslinked Composite Membrane as Cation Conducting Solid Electrolyte for Electrochemical Energy Conversion and Storage System
(University of Waterloo, 2020-09-30)Ion exchange membrane (IEM) is a key component of redox flow batteries (RFB) that heavily influences the electrochemical performances, energy efficiency and long term stability of the system. Ionic conductivity, ionic ... -
Electrolyte Design and Engineering for Electrochemical Energy System
(University of Waterloo, 2019-04-24)Electrochemical energy conversion and storage technology is considered as a promising replacement of fossil fuels to directly convert the chemical energy to electrical energy through electrochemical reactions, which has ... -
Electrolyte Design for All-Solid-State Lithium Metal Batteries
(University of Waterloo, 2022-08-19)Although one of the most mature battery technologies, lithium-ion batteries still have many aspects that have not reached the desired requirements, such as energy density, current density, safety, environmental compatibility, ... -
Electrolyte/Membrane Design and Engineering for Durable Zinc-Iodine Redox Flow Batteries
(University of Waterloo, 2021-01-21)Integrating renewable energy sources into the electricity grid has caused an essential need for large-scale energy storage systems. To fulfill this purpose, redox flow batteries (RFBs) are considered one of the best options ... -
Enhanced Durability of Pt Alloy Nanoparticles Using Sulfur-Doped Graphene via Metal-Support Interactions for PEMFC Cathode Catalysis of ORR
(University of Waterloo, 2017-09-27)The hydrogen fuel cell is a form of renewable energy generation technology that produces energy electrochemically and can address energy concerns in the near future, especially due to the diminishing supplies of non-renewable ...