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 29 for “"Energy storage device"”.
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Valuing energy storage in electricity grids : a machine learning approach
… the integration of large amounts of renewable energy generation, as well as energy storage systems, into the electric grid. However, the deployment of energy storage systems will remain limited until they become economically attractive, with or without government policy. One of the most …
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Configuration and Operating Condition Design Analysis of SOFC Systems for Building Applications
… of the model, the incorporation of the energy storage device in the modeling of SOFC cogeneration systems, the environmental assessment of the system such as the air pollutant emission performance, the lifecycle assessment (LCA) of SOFC systems from manufacturing stage through the …
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Mechanically flexible vapor-deposited polymeric thin films for electrochemical devices
… three units: an intelligent end-user electronic device for exporting functions, an energy generation/conversion device responsible for harvesting/scavenging renewable energy, and additionally an energy storage device to ensure non-intermittent operation. The three units should be matched up in …
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Design of a wind-powered cooling system for an apple storage facility
… involved in applying wind-produced electric energy toward the needs of an apple storage facility, and to design an appropriate energy system. Fruit requirements, wind generator characteristics, and energy storage are discussed. Detail design of a cooling system was performed, including design …
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Solar Energy Conversion and Control Using Organic Photovoltaic Cells
… that are lightweight, mechanically flexible devices with highthroughput processes from low cost material in a variety of colors. Rathnayake et al. of Western Kentucky University have developed a nanostructure-based OPV cell. Presented in this thesis is a model and simulation of a generalized …
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PV Integration and Peak Load Shaving Using Energy Storage Feasibility Study
Energy storage system (ESS) is a growing technology in distribution systems. ESS is used in different application such as peak load shaving, system upgrade deferrals, and improving renewable energy integration. A photovoltaic system (PV) is wildly used in the distribution system, and it has given …
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Modelling and optimisation of the dynamic performance of a reversible solid oxide fuel cell system for the grid intergration of renewables
… issues, the penetration level of renewable energy is growing fast, e.g. wind, tide and solar energy. However the impact of renewable energy on the conventional power grid is increasing due to their intermittent characteristic of power supply. As a result conventional approaches of energy …
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Supercapacitor assisted LED (SCALED) converter technique for solar powered DC-microgrids
… electronic products and systems with high energy efficiency is a major challenge for electronic power circuit designers. Almost all residential and industrial buildings are presently AC powered. However, they contain electronic equipment that is internally dependent on a bulk DC power rail …
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Integrated Tandem Dye Sensitized Solar Cell (DSSC)-Lithium Ion Battery
<p>Efficient renewable energy harvesting and storage are needed for present challenges related to clean environment and increasing energy demand. Different types of energy harvesting technologies such as solar, thermal and wind require excess energy to be stored in batteries, which further adds to …
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An experimental study on the structure-property relationship of composite fluid electrodes for use in high energy density semi-solid flow cells
A novel electrochemical energy storage device, the semi-solid flow cell (SSFC), has recently been demonstrated. The device features a complex fluid composite as its anode and cathode. Both electrodes incorporate particles of a lithium storage compound suspended in a carbon black electrolyte gel. …
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Development and assessment of a novel osmotic heat engine for energy generation from low-grade heat
Development of clean energy technologies that maximize efficiency and minimize resource consumption is a necessary component for a clean and secure energy future. The osmotic heat engine (OHE) is a closed-loop, membrane based process that utilizes low-grade heat and salinity-gradient energy between …
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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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Direct measurement of vanadium cross-over in an operating redox flow battery
A redox flow battery (RFB) is an electrochemical energy storage device in which the storage medium is in the form of liquid electrolyte, which is stored in external reservoirs separate from the cell stack. The storage capacity of such systems is limited by the size of the external tanks, making the …
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Technology assessment and market analysis of solid state ultracapacitors
… huge application potential as the electrical energy storage device in Hybrid Electrical Vehicles (HEVs) due to the projected high energy density. The potential high energy density of SSUs is achieved through engineering dielectric materials to possess high breakdown voltage and/or DC …
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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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System design and manufacturability of concrete spheres for undersea pumped hydro energy or hydrocarbon storage
Offshore wind and energy storage have both gained considerable attention in recent years as more wind turbine capacity is installed, less attractive/economical space remains for onshore wind, and load-leveling issues make integrating wind power into the existing electrical grid difficult. For …
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Modelling and control of a floating oscillating water column
… Buoy (BBDB) Oscillating Water Column (OWC) Wave Energy Converter was created based on existing isolated numerical models of the different energy conversion systems utilised by an OWC. The novel aspect of this numerical model is that it incorporates the interdependencies of the different power …
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Design and performance characterization of novel heat exchanger geometries enabled by additive manufacturing
… we designed, fabricated, and characterized an energy storage device based on an AM HX that stores heat from a flowing liquid coolant in the channel in the form of latent heat in a phase change material (PCM). We developed a design with internal fins extending from the channel wall to the …
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Preparation, Characterization and Performance Study of Modified Titanium Dioxide Nanocrystals for the Lithium-Ion Battery
… rechargeable batteries in today’s life. As an energy storage device, it can convert the stored chemical energy into electrical energy when it is being used. Titanium dioxide nanocrystals are well-known for the photocatalytic ability. However, benefited from the nanostructure and the …
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