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.
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Showing 1 to 20 of 1340 for “"Energy Storage"”.
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Nanoarchitectured Energy Storage Devices
… capacitance, substantially enhanced power and energy densities, and extraordinary cycle life. In order to realize even better performance with supercapacitors, rejuvenated effort towards developing nanostructured electrodes is necessary. In this dissertation, several strategic directions of …
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Energy storage in reconfigurable antennas
… antennas is often strongly influenced by energy storage effects. Many antenna types achieve their performance characteristics through a careful balance of electric and magnetic energy storage. The distinct effects of magnetic and electric energy storage convey important information about …
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Convection enhanced electrochemical energy storage
Electrochemical energy storage will play a pivotal role in our society's energy future, providing vital services to the transportation, grid, and residential markets. Depending on the power and duration requirements of a specific application, numerous electrochemical technologies exist. For the …
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ELECTROCATALYTIC PROCESSES FOR ENERGY STORAGE & CONVERSION
… in its fast depletion leading to an escalating energy crisis as well as several environmental issues leading to increased research towards sustainable energy conversion. Electrocatalysts play crucial role in the development of numerous novel energy conversion devices including fuel cells and …
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Salt hydrates for thermochemical energy storage
Thermal energy storage is required to address the growing energy demands worldwide. Energy storage improves performance and reliability, increases efficiency and reduces the mismatch between supply and demand of renewable energy sources. In particular, thermochemical energy storage has a high …
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Modelling aquifer thermal energy storage systems
Aquifer thermal energy storage systems can decarbonise space heating and cooling, provide large-scale long-term storage and buffer the seasonal mismatch in supply and demand. In the winter, the system provides a heat source by extracting warm water from a subsurface reservoir. The extracted fluid …
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Design of subsea energy storage chamber
Energy generated from offshore resources is not reliable over short periods of time. Although wind and wave energy is fairly consistent in the long run, their short term capacity fluctuations prohibit these resources from replacing dependable fossil-fuel based energy systems. This limitation could …
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Real-time Integration of Energy Storage
… demands have resulted in the exploration of energy storage for potential solutions. Recent technology- and industry-driven developments have led to a drastic decrease in costs of these storages, further advocating their usage. This thesis compiles the author's research on optimal integration …
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Energy storage and dissipation in polyurea composites
… transmission by utilizing new dissipation and storage pathways due to geometry. Experimentation and computational modeling are used to quantify the dissipatio features of the polyurea composite. This research combines a new polyurea interlayer geometry with steel to improve the composite armor …
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Development of an energy storage tank model
… an implicit finite difference method for energy storage tanks is developed, programmed with MATLAB, and demonstrated for different applications. A set of nodal energy equations is developed by considering the energy interactions on a small control volume. The general method of solving …
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Multiphysics processes in solid thermal energy storage
Um die zuverlässige Integration von Solarthermieanwendungen (ST), z.B. konzentrierte Solarenergie (concentrating solar power, CSP) bei steigendem Energiebedarf und trotz des fluktuierenden Charakters von ST zu ermöglichen, werden thermische Energiespeichertechnologien (TES) als attraktive Lösungen …
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Analysis of hydrogen-based energy storage pathways
Hydrogen is considered to become a main energy vector in sustainable energy systems to store large amounts of intermittent wind and solar power. In this work, exergy efficiency and cost analyses are conducted to compare pathways of hydrogen generation (PEM, alkaline or solid oxide electrolysis), …
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Energy storage dynamics in breeding Arctic seabirds
This thesis describes investigations into the energy store (defined as the size of lipid stores) dynamics in breeding Arctic seabirds. The first chapter compares three species feeding at similar trophic levels but with different life history, physiological and foraging strategies, and breeding …
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Design of Latent Thermal Energy Storage Systems
… and numerical study of time dependent storage of energy by melting a phase change material. The heating is provided along invading lines, which change from single-line invasion to tree-shaped invasion. Chapter 2 identifies the special design feature of distributing energy storage in …
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Application of Energy Storage in Power Systems
… research is to determine the advantages of using energy storage systems. This study presents a model for energy storage in electric power systems. The model involves methods of reducing the operation cost of a power network and the calculation of capital cost of energy storage systems. Two test …
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Improved modelling of pumped hydro energy storage
… fossil fuel reserves and concerns over energy security have led to renewable energy targets that have spurred the growth of variable renewable generation sources such as wind and wave in many countries. The introduction of variable sources of electrical generation makes the operation and …
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