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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
151

The Synthesis Of High Surface Area Ti Sponges By Halide Conversion Process For Capacitor Anodes

Chih-Hsiang, Yo 19 August 2013 (has links)
No description available.
152

OXIDATION AND REDUCTION SYNTHESIS OF SURFACE ENHANCED TITANIUM-BASED ELECTRODES FOR ELECTROLYTIC CAPACITORS

Chen, Li-Ju 16 August 2013 (has links)
No description available.
153

Characterization of Stoichiometric and Aging Effects on NiTiHf High Temperature Shape Memory Alloys

Coughlin, Daniel Robert 24 July 2013 (has links)
No description available.
154

Carbon-based nanostructured materials as electrode in lithium-ion batteries and supercapacitors

Yao, Zhuo 31 May 2013 (has links)
No description available.
155

NOVEL TITANIA NANOSTRUCTURES FOR PHOTOVOLTAIC APPLICATIONS

Lin, Keng-Chu 23 August 2013 (has links)
No description available.
156

Solid Salt Fluxing of Molten Aluminum

Lofstrom, geoff 29 August 2013 (has links)
No description available.
157

Simulation of Interfaces in Construction Materials: Tricalcium Silicate, Gypsum, and Organic Modifiers

Mishra, Ratan K. 13 April 2012 (has links)
No description available.
158

High temperature reversible solid oxide cells for grid scale storage of renewable electricity

Akter, Ayesha 16 January 2023 (has links)
Intermittency of energy availability from renewable energy resources is a longstanding challenge as we transition away from fossil fuels. There is a dire need for storing energy during periods of excess renewable power generation, and the ability to utilize the stored energy during periods of peak demand. Reversible solid oxide cells (RSOCs) can be an efficient solution to this societal challenge if the device can be operated reversibly between fuel cell (SOFC) and electrolysis modes (SOEC). One of the barriers to designing an efficient RSOC device is the non-availability of a highly reversible oxygen electrode material that is satisfactory under both modes of operation, i.e., SOFC and SOEC. Mixed ionic and electronic conducting (MIEC) rare earth nickelate materials, i.e., neodymium nickelate (NNO), lanthanum nickelate have high oxygen surface exchange coefficients and bulk diffusion coefficients which makes them eminently suitable as RSOC oxygen electrodes. Furthermore, the reactivity of the solid electrolyte, namely yttria-zirconia with rare-earth nickelates leads to insulating phases at the oxygen electrode-electrolyte interface. Thus an appropriate barrier layer between the zirconia-based electrolyte and the oxygen electrode is required. The influence of such a barrier layer on electrode polarization is explored in this research. In this research, RSOCs featuring NNO as the oxygen electrode are operated under various fuel and oxidant compositions in SOFC, SOEC, and mode-switching reversible conditions to characterize polarization losses. The roles of the oxygen electrode active layer and current layer thickness on electrode polarization losses are explored. Single cells with an optimized oxygen electrode architecture have been tested in reversible, and electrolysis-only conditions for 500 h to assess their long-term performance stability. Detailed analysis of the electrochemical impedance spectra using equivalent circuit modeling and distribution of relaxation time analysis, along with microstructural characterization using scanning electron microscopy, provides insights into the rate-limiting steps and degradation mechanisms of the different oxygen electrodes and barrier layer cells. Based on these studies, suggestions are made for optimum cell design and operating conditions for RSOCs. / 2025-01-16T00:00:00Z
159

Exploring Polymer Hydrogels via Dynamic Interactions for Promising Applications

Zhang, Yiming 26 August 2022 (has links)
No description available.
160

Dual pH-sensitive Smart Coatings for Corrosion Protection of AA2024-T3

Li, Chao 11 August 2022 (has links)
No description available.

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