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 10 of 10 for “"Silicon electrode"”.
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Investigation and Improvement of the Low Temperature Performance of High-Capacity Silicon Anodes for Lithium-Ion Batteries
… chosen initially to investigate next generation electrodes. The effect of various electrolytes on lithium-ion battery performance at low temperatures has been the most widely studied aspect in improving discharge characteristics, and a trend of mixed carbonates with various additives has been …
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Hydrogen terminated silicon surfaces: Development of sensors to detect metallic contaminants and stability studies under different environments
Hydrogen terminated silicon surfaces have been utilized to develop sensors for semiconductor and environmental applications. The interaction of these surfaces with different environments has also been studied in detail. The sensor assembly relevant to the semiconductor industry utilizes a …
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Fabrication and Characterization of Small Scale Photo-Electro-Chemical Solar Cells
… solar cell.</p> <p>The cell consists of a p-type silicon cathode with an etched micro-cavity that houses the zinc chloride electrolyte solution, and the cavity is covered by a sheet of zinc acting as the anode. The cell operates using a semiconductor-electrolyte junction instead of the p-n …
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Photodetection in Silicon Pyramidal Microdischarges
Photodetection in a silicon pyramidal microdischarge device has been observed. This hybrid plasma/semiconductor device was fabricated from standard silicon wafers using common integrated circuit, microfabrication techniques. The response of the devices to a 780-nm laser diode was shown to have an …
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Three-Dimensional Microelectrode Array for Recording Dissociated Neuronal Cultures
… and fluidically active three-dimensional microelectrode array (3D MEA). The 3D MEA consists of a stack of individually patterned thin films that form a cell chamber conducive to maintaining and recording the electrical activity of a long-term three-dimensional network of rat cortical neurons. …
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Generating Small Molecule Fuels: (Photo)Electrochemical Catalysts
… catalysts used in this work. Semiconducting silicon electrodes have been explored as a means of coupling these hydrogen evolving and nitrogen fixation systems to the harvesting of visible light – solar fuels and solar synthesis respectively. Chapter 1 gives a general overview of the world …
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Considerations on the use of Impedance Spectroscopy for the Detection of Virions Trapped in Quadrupolar Microelectrode Arrays
The impedance response of a quadrupolar microelectrode array was studied over a wide frequency range to determine whether particles captured at the center of the array could be detected impedimetrically. The microelectrode array (denoted as DEP chip) uses dielectrophoretic forces to concentrate …
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Characterization of battery anode materials by X-ray and electron-based imaging techniques
… materials with higher specific capacity (e.g. silicon and lithium) could potentially boost the energy density of Li batteries. In this dissertation, X-ray and electron-based imaging techniques were used to investigate the currently existing challenges that prevent the massive commercial …
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Morphology and mechanical behavior of composite electrodes for Li-ion batteries
Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2012-12-14T18:11:01Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 3 Verma_Ankit.docx: 25902052 bytes, checksum: 29ce28249278f74b2862021866fa71c1 (MD5) Verma_Ankit.pdf: 3510116 bytes, …
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Mechanics of deformation and fracture of silicon electrodes in high-capacity lithium-ion batteries
… store energy by insertion of Li ions into solid electrodes. Silicon is one of the most promising electrode materials for high performance lithium ion batteries, since it has a specific capacity of ~10 times higher than conventional graphite electrodes. During lithiation, the Si electrodes form …