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 31 for “"Energy Conversion And Storage"”.
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Scalable Processing Routes for Solid-State Energy Conversion and Storage Devices
… design of both all-solid-state batteries (ASSBs) and solid oxide fuel cells (SOFCs) and is a major determinate for their performance and the economic value in electrochemical storage and conversion applications. The optimization of the SE in ASSBs and SOFCs along with the entire electrochemical …
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Nanostructured Metal Oxide Coatings for Electrochemical Energy Conversion and Storage Electrodes
<p>The realization of an energy future based on safe, clean, sustainable, and economically viable technologies is one of the grand challenges facing modern society. Electrochemical energy technologies underpin the potential success of this effort to divert energy sources away from fossil fuels, …
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Fabrication And Characterization Of Solid Oxide Cells for Energy Conversion and Storage
<p>There has been an increasing interest in clean and renewable energy generation for highlighted energy and environmental concerns. Solid oxide cells (SOCs) have been considered as one of the promising technologies, since they can be operated efficiently both in electrolysis mode by generating …
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TRANSITION METAL COATINGS FOR ENERGY CONVERSION AND STORAGE; ELECTROCHEMICAL AND HIGH TEMPERATURE APPLICATIONS
Energy storage provides sustainability when coupled with renewable but intermittent energy sources such as solar, wave and wind power, and electrochemical supercapacitors represent a new storage technology with high power and energy density. For inclusion in supercapacitors, transition metal oxide …
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Electrodeposition and characterization of metals and metal oxides for energy conversion and storage
… investigates the electrodeposition of metal and metal oxide thin films applicable to solar water splitting cells. Paper I describes the synthesis of cobalt hydroxide, ß-Co(OH)<sub>2</sub>, by electrochemically reducing tris(ethylenediamine)cobalt(III) in alkaline solution. Paper II presents a …
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Ultrasonic synthesis of materials for energy conversion devices
… about the fact that the development of improved energy conversion and storage devices is the biggest issue in the 21st century. A variety of mobile electronics are on the market more than ever, and battery-powered electrical vehicles are no longer a dream. However, the energy conversion and …
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Improvement in Energy Conversion and Energy Storage Applications by Liquid Crystals and Carbon Nanoparticles
… fuels make up a significant proportion of global energy demand and cause many concerns, such as increasing greenhouse gas emission. Therefore, there is a considerable need for cost-effective, facile and efficient processing of environmental-friendly energy harvesting and storage systems. Solar …
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Impact of carbon micro/mesoporosity on the adsorption behavior of small molecules
… such as environmental remediation, purification, and catalysis. Because of the inherently high surface area, low cost, and inertness of activated carbons, these materials have been the preferable substrate for remediation studies. The adsorption of mercury, radioactive materials, pesticides, and …
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Understanding the properties of the interface between graphene and transition metal oxide thin films using first principle approaches
… nanomaterials such as carbon nanotubes and two-dimensional graphene have attracted the attention of the scienti c community in probes to improve energy conversion and storage technologies. The graphene sheet is preferred due to its large speci c area, exible structure, high transparency, …
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Fundamentals of Electrochemical Interfaces: Insights into Electrodes, Electrolytes, and Ion Transfer Kinetics
… field that lies at the crossroads of electricity and chemistry, focusing on the transformation between electrical and chemical potentials, typically occurring at the electrochemical interfaces - the dynamic region between electrode (electron conductors) and electrolyte (ionic conductors) where …
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Electrodeposition of epitaxial metal thin films on silicon for energy conversion and flexible electronics
… electrodeposition of two coinage metals: Au and Ag thin films on the silicon surface and their applications in flexible electronics and energy conversion and storage. The first paper: <em>Photoelectrochemistry of ultrathin, semi-transparent, and catalytic gold films electrodeposited …
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Modification of space charge transport in nanocrystalline cerium oxide by heterogeneous doping
In the search for new materials for energy conversion and storage technologies such as solid oxide fuel cells, nano-ionic materials have become increasingly relevant because unique physical and transport properties that occur on the nanoscale may potentially lead to improved device performance. …
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Porous Graded Materials Derived From Block Copolymer Self-Assembly For Water And Energy Applications
… A unique approach combining BCP self-assembly and non-solvent induced phase separation (SNIPS) allows direct formation of graded porous superstructures that can be used in various applications. The graded superstructure is composed of a uniform mesoporous surface layer of ~ 100 nm thickness on …
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Electrocatalytic Oxygen and Nitrate Reduction Reactions Using Cu-Based Electrodes
… the electrochemical interface between electrodes and electrolytes that are relevant to energy conversion processes. The focus of this dissertation is on the electrocatalytic reduction of oxygen (O 2 ) and nitrate (NO 3 -) to water (H 2 O) and ammonia (NH 3 ), respectively, using molecular- and …
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Novel Syntheses and Surface Modifications of Electrode Materials for Superior Lithium-Ion Batteries
… lithium-ion battery is one of the most promising energy conversion and storage systems that offers high energy and powder densities, long service life and assuring safety. Performance of lithium-ion batteries crucially relies on electrochemical characteristics of electrode materials, i.e., anode …
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Electronic structure of perovskite oxide surfaces at elevated temperatures and its correlation with oxygen reduction reactivity
The objective is to understand the origin of the local oxygen reduction reaction (ORR) activity on the basis of the local electronic structure at the surface of transition metal oxides at elevated temperatures and in oxygen gas. This goal presents a key challenge to traditional surface science …
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Fundamental studies of perovskite related oxide thin films for oxygen electrocatalysis at intermediate temperatures
Discovering highly active and stable catalysts for electrochemical energy conversion and storage is essential to envision a new generation of renewable energy applications. Mixed ionic and electronic conductors (MIECs) such as Lai.xSrxCoO₃-[delta] (LSC₁₁₃) and Lai-xSrxCo1-yFeyO3-[delta] (LSCF₁₁₃) …
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Chemomechanics of non-stoichiometric oxide films for energy conversion
Electrochemical energy conversion and storage devices including solid oxide fuel cells (SOFCs) and lithium ion batteries (LIBs) are enabled by materials known as "non-stoichiometric oxides" that contain large concentrations of point defects such as oxygen or lithium vacancies. While this …
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Co-Assembly Of Nanostructured Hybrid Materials For Energy Applications
… build multi-dimensional hierarchical materials and represents a viable synthetic approach to construct next-generation functional materials for a large number of applications. This dissertation describes the design, synthesis and characterization of multifunctional nanostructured hybrid …
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Enhanced electrical, optical and chemical properties of graphene oxide through a novel phase transformation
… oxide (GO) is a versatile, solution-processable candidate material for next-generation, large-area, ultrathin electronics, optoelectronics, energy conversion and storage technologies. GO is an atom-thick sheet of carbon functionalized with several oxygen-containing groups dominated by the epoxy …
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