Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 98 for “"Energy Storage Devices"”.
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Nanoarchitectured Energy Storage Devices
Supercapacitors, the devices that connect the gap between batteries and conventional capacitors, have recently attracted significant attention due to their high specific capacitance, substantially enhanced power and energy densities, and extraordinary cycle life. In order to realize even better …
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Novel Techniques and Electrolytes for Energy Storage Devices
… in SIBs. Supercapacitors are high power energy storage devices that store energy by the formation of double layers at the electrode surfaces. However, the molecular structure of the double layer is poorly understood. Here, neutron reflectometry (NR) and attenuated total reflection …
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Origami nanofabrication of three-dimensional electrochemical energy storage devices
… creating three-dimensional (3D) nanostructured devices using two- dimensional micro- and nanopatterning tools and techniques. The origami method of fabrication is a two-part process in which two-dimensional (2D) membranes are first patterned and then folded into the desired 3D configuration. …
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High performance materials for artificial muscles and energy storage devices
… materials) are muscle-like materials and devices that mimic muscle's functionality (e.g., contraction, rotation, and bending) in different aspects. Some of the common performance metrics used for evaluating artificial muscles are cycle life, gravimetric/volumetric energy and/or power …
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Synthesis and characterization of ionic liquid electrolytes for use in electrical energy storage devices at elevated temperatures
Electric energy storage (EES) devices like lithium ion batteries and supercapacitors have limited operational temperatures between 0 and 40 oC, preventing their use in demanding, high temperature applications. The principal limitation of these systems is the flammable and volatile carbonate-based …
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Numerical investigation of ion transport mechanisms in electrochemical energy storage devices: Similarity correlation and exergy destruction analysis
The shift towards renewable sources of energy requires the development of electrochemical energy storage solutions due to their scalability and ability to handle intermittency. In this thesis, the ion transport mechanisms are studied by modeling redox flow batteries (RFBs) and intercalation-based …
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M13 virus-enabled assembly of 3D nanostructured composites : synthesis and applications in solar energy conversion and electrochemical energy storage devices
… of generating, storing and transporting energy in responsible ways that minimize impact to the environment. Significant effort has been spent to develop new technologies capable of (1) efficiently converting renewable energy into usable electricity, (2) storing energy into high …
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ZETHRENE AND EXTENDED ZETHRENE BASED DIRADICALOIDS AND TETRARADICALOIDS
… electronics, nonlinear optics, spintronics, and energy storage devices. This thesis describes the synthesis, physical properties of a series of zethrene-based biradicaloids and tetraradicaloids. These new compounds exhibit attractive electronic, optical and magnetic properties due to their …
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Understanding electronic structure and interfaces of positive electrodes for lithium ion batteries
… battery in the market and they are used as energy storage devices for mobile phones, laptops, and other portable electronic devices. This is due to their balance of high energy density with high power density compared to other electrochemical energy devices. Also, these days the automotive …
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Physical, electrical and electrochemical characterizations of transition metal compounds for electrochemical energy storage
Electrochemical energy storage has been widely used in various areas, including new energy sources, auto industry, and information technology. However, the performance of current electrochemical energy storage devices does not meet the requirements of these areas that include both high energy and …
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Addressing electrode-specific degradation in the production and performance of electrochemical energy storage systems
… the life cycle (degradation) of electrochemical energy storage devices. Specifically, it investigates a green synthesis technique for high-performance pseudocapacitor electrodes and uses machine learning algorithms to predict and prevent degradation mechanisms in lithium-ion batteries. The …
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Enhancing Interfaces in Solid Polymer Electrolyte-Based Flexible Lithium-Ion Batteries
… accompanied by a high demand for portable energy storage devices. Among all types of energy storage devices, batteries occupy the majority of market due to their high energy density and efficiency. With the expanding need for smaller, lighter weight and safer product from consumer, flexible …
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Nanoparticle-based Organic Energy Storage with Harvesting Systems
A new form of organic energy storage devices (organic capacitors) is presented in the first part of this dissertation. The storage devices are made out of an organic semiconductor material and charge storage elements from synthesized nanoparticles. The semiconducting polymer is obtained by blending …
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Metal oxide electrocatalysts for alternative energy technologies
… with varying applications for alternative energy technologies. Interest in utilizing clean, renewable and sustainable sources of energy for powering the planet in the future has received much attention. This will address the growing concern of the need to reduce our dependence on fossil …
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Crystallographic, Morphological and Kinetic Studies of the Alpha-Beta Transformation in the Niobium-Hydrogen System
… technology, superconductivity, and energy storage devices. The elements nitrogen and hydrogen form interstitial solid solutions with the group VB bcc metals and also form a large number of ordered phases. The non-metal atoms occupy a certain set of the possible interstitial sites in …
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A General Interfacial Capacitance Model for Nanomaterial Supercapacitors: Insights from Computational Quantum Mechanics
Electrochemical energy storage devices play a crucial role in the drive towards a sustainable energy future. They are ubiquitously utilized in electric vehicles, distributed renewable energy systems, and are increasingly considered for utility-scale power applications. High-power operation, …
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Distributed Energy Storage Systems: Microgrid Application, Market-Based Optimal Operation and Harmonic Analysis
… grid components brings attention to distributed energy storage systems because of their bidirectional power flow capability. This dissertation focuses on three different aspects of distributed energy storage system applications in distribution networks. It starts with flywheel energy storage …
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NMR Characterization of Novel Materials for Battery Electrolyte Applications
… application of renewable and non-renewable energy storage devices in commercial products and services and the global warming have created significant motivations to accelerate research in battery technology. In addition, the risk factors generated by the high heat generation and flammability …
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