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 21 for “"solid state battery"”.
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FIRST-PRINCIPLES SIMULATIONS OF SOLID STATE BATTERY MATERIALS
… work materials with possible applications in all solid state Li-ion batteries are explored using computational methods within the framework of density functional theory and kinetic Monte Carlo. The density functional theory simulations use fundamental quantum mechanics along with some …
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Lithium deposition and stripping in solid-state battery via coble creep
Solid-state Li metal batteries require accommodation of electrochemically generated mechanical pressure inside Li metal. In this thesis it shows, through in situ transmission electron microscopy experiment of Li and Na deposition/stripping in mixed ionic-electronic conductor (MIEC) hollow tubules, …
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FIRST-PRINCIPLES INVESTIGATION OF ELECTRONIC PROPERTIES IN SODIUM-ION ELECTROLYTES FOR SOLID-STATE BATTERY MATERIALS
… such as diffusion mechanisms of ions within solid-state materials, conductivity, and ground state structures. The goal of this body of work is to understand how this relationship can give us insight into materials that might have use in an emerging field within battery technology. Sodium-ion …
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Can batteries take the heat? Investigating the electrode-electrolyte interface for solid-state battery performance at elevated temperatures
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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Investigation of high-performance lithium-ion batteries based on highly conductive Li7La3Zr2O12 solid-state electrolyte and stable electrode-electrolyte interface
… cubic phase garnet-type Li7La3Zr2O12 (LLZO) solid-state electrolyte has attracted much attention for developing solid-state batteries with increased safety, higher energy density, and longer lifespan. Besides, the solid-state or liquid electrolyte/electrode interface stability and low …
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Electrolyte selection for cobalt-free solid-state batteries
… the use of an organic electrolyte subjects the battery user to certain risks; in particular, Li-ion liquid batteries are explosive when exposed to air and subject to thermal runoff, making them highly sensitive to any physical damage. The use of cobalt also poses a moral concern, as the mining …
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First Principles Investigations of Solid-Solid Interfaces in Lithium Battery Materials
… electrode/electrolyte interfaces for inorganic solid electrolyte materials, especially those related to Li$_3$PS$_4$. I develop a general scheme based on the interface energy for analyzing interfaces between crystalline solids, quantitatively including the effects of varying configurations and …
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Challenges and Innovations for Manufacturing and Operating Solid-state Batteries
… need for next-generation energy storage systems. Solid-state batteries (SSBs) have emerged as a promising candidate due to their enhanced safety and potential higher energy density. Major battery manufacturers have announced plans to scale up production of SSB. However, academic researchers remain …
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Synthetic and Post-Synthetic Methods towards Fine Tuning the Chemical and Physical Properties of Metal-Organic Frameworks
… the potential of MOFs in next-generation solid-state battery technologies. Finally, the impact of linker electron donicity on cluster structure and reactivity was explored using a new mixed-azolate ligand. Four isostructural MOFs incorporating Co, Ni, Cu, and Cd were synthesized, revealing …
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Scalable Processing Routes for Solid-State Energy Conversion and Storage Devices
Solid-state electrochemical devices all have at least one central component in common, an ion-conductive solid electrolyte (SE). The SE is the basis of the design of both all-solid-state batteries (ASSBs) and solid oxide fuel cells (SOFCs) and is a major determinate for their performance and the …
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STRUCTURAL, ELECTROCHEMICAL AND THERMAL STUDIES OF DIVALENT POLYMER ELECTROLYTES
… conductivity at room temperature to be used in a solid-state battery, and to gain a better understanding of the relationship between structure and conductivity. Of the 'dry' systems studied, the PEOn-ZnCl2 samples had the highest conductivities and transference numbers, although at room …
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Cycling of solid-state lithium-ion batteries with high-loading cathodes at low stack pressure
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-12-01
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Sintering techniques for microstructure control in ceramics
… high temperature ceramic composites, and all solid lithium-ion battery phosphate materials. ^ Investigation of zirconium diboride ceramics focused on the effects of zirconium carbide as a secondary or tertiary phase in ZrB<sub>2</sub> and ZrB<sub>2</sub> – SiC. Addition of zirconium carbide …
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Preparation, Characterization, and Application of Molecular Ionic Composites for High Performance Batteries
A solid electrolyte is a crucial component of any solid state battery. Polymer gel electrolytes have received increasing attention in recent years due to their high ionic conductivity, flexibility, and improved safety. However, a general tradeoff usually exists between the mechanical properties and …
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ATOMIC LAYER DEPOSITION OF ALKALI PHOSPHORUS OXYNITRIDE ELECTROLYTES FOR BEYOND-LITHIUM NANOSCALE BATTERIES
… However, with the continuing demand for battery capacity projected to outstrip the supply of lithium, alternative energy storage systems based on the more abundant Na and K alkali metals are attractive from both a resource perspective and their similar charge storage mechanism. Beyond …
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Voltage Control of Magnetism in Novel Structured Vertically Aligned Nanocomposite Thin Films
… functionalities for magnetic devices, solid-state battery electrodes and beyond.
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Continuum modeling of electro-chemo-mechanical phenomena in all-solid-state batteries
Solid-State-Batteries (SSBs) present a promising technology for next-generation batteries due to their superior properties including increased energy density and safer electrolyte design. Traditional SSB-architecture features a Lithium-metal anode, a solid-state composite cathode, and a stiff …
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Directed lithium transport in high capacity lithium-ion battery electrodes
… and motivation for improving lithium-ion battery performance. Specifically these batteries still need improvements in terms of specific energy, specific power, cycle life, and safety. The rest of this document describes experiments utilizing model semiconductor electrodes to investigate …
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Vertically Aligned Nanocomposite Thin Films for Micro-Battery and Nanoionic Applications
… thin film 3D architecture, have shown promise in solid oxide fuel cells devices displaying enhanced ionic conductivity, reduced areal surface resistances and improved cell performance by enhancing the interfacial surface area. These VAN attributes may be transferable to solid-state …
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