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 86 for “"Sodium-ion"”.
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Development of Property Prediction Methods for Sodium-ion Battery Electrolytes
In this project, we model the interaction between the sodium ion and the organic solvents, which are widely used in sodium ion batteries (SIBs). The research mainly focuses on how a sodium cation coordinates with the solvent molecules and how its coordination affects the resulting complex …
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Characterising Electrolyte Interactions with Carbon Anodes for Sodium Ion Batteries
… energy, is placing an increased demand on Li-ion batteries (LIBs). Na-ion batteries (NIBs) are seen as a promising alternative to LIBs due to their lower cost and environmental impact. As Na has a similar chemistry to Li, the transfer of battery technology is also expected to be …
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The Local Structure of Sodium-Ion Anodes During Electrochemical Reactions
Sodium-ion batteries are seen as an increasingly attractive option for large-scale energy storage, the rising price, and limited availability of lithium being seen as a major challenge for the future of the dominant lithium systems. One of the major bottlenecks for the commercialisation of …
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Phase transformations in layered electrode materials for sodium ion batteries
In this thesis, I investigate sodium ion intercalation in layered electrode materials for sodium ion batteries. Layered metal oxides have been at the forefront of rechargeable lithium ion battery technology for decades, and are currently the state of the art materials for sodium ion battery …
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First principles investigation and design of fluorophosphate sodium-ion battery cathodes
Lithium-ion batteries are currently the most widely used consumer energy storage technology. Recently, lithium-ion batteries have been evaluated for use in mitigating the intermittent power supply of leading renewable energy technologies, thereby enabling their use on the electric grid. In order to …
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The design and building of sodium-ion battery for home energy storage
This thesis focuses on the design and construction of home energy storage systems using sodium-ion battery technology. As global emphasis shifts towards sustainable energy solutions and the integration of renewable energy sources, the demand for efficient and reliable energy storage has escalated. …
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Activity of Sodium Ion, Potassium Ion in the Epididymis of the Rat
… enzyme activity and its regulation was determined in the ductuli efferentes and the initial segment of the epididymis of the rat. Electron microscopic localization of Na$\sp+$,K$\sp+$-ATPase demonstrated enzyme activity along the cytoplasmic side of the plasmalemma of the ductal …
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Magnetic Resonance Studies of a Sodium-Ion Battery Cathode: Experiment and Theory
Sodium-ion batteries (NIBs) are increasingly of interest in modern society as more affordable energy storage alternatives to lithium-ion batteries. At present, the electrochemical performance—the charge/discharge rate, lifetime and capacity—of NIBs is not optimised for practical applications and …
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A layered sodium titanate as promising anode material for sodium ion batteries
Sodium ion batteries have recently received great attention for large-scale energy applications because of the abundance and low cost of sodium source. Although some cathode materials with desirable electrochemical properties have been proposed, it's quite challenging to develop suitable anode …
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Ab initio investigations of solid electrolytes for lithium- and Sodium-ion batteries
… organic electrolytes currently employed in Li-ion batteries. Recent advances in the development of new thiophosphate electrolytes have reenergized the field by achieving room temperature conductivities exceeding those liquid electrolytes, but a number of practical challenges to their widespread …
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Development of High-performance Carbon and Phosphorus Anode Materials for Sodium-ion Batteries
Abstract Lithium-ion batteries, as dominant power sources for prevailing consumer electronics and electric vehicles, have been plagued by limited lithium resources with the soaring prices. Sodium-ion batteries, benefitted from ubiquitous and inexpensive sodium resources without toxicity and …
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Electrochemically prepared metal antimonide nanostructures for lithium ion and sodium ion battery anodes
… a critical factor for the successful implementation of renewable energy generation and efficiency strategies at the grid, transportation, and consumer levels. Current batteries suffer from limitations in energy density, power density, longevity, and overall cost. In addition, the inherent …
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Sodium-Ion Battery Cathode Active Material Cost Drivers and Manufacturing Scale-up Barriers
… posed by intermittent renewable generation. Non-hydro energy storage is currently dominated by lithium-ion batteries, but cost and materials supply are concerns. Sodium is more abundant and cheaper to mine and refine than lithium, positioning sodium-ion batteries to be a potential grid …
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FIRST-PRINCIPLES INVESTIGATION OF ELECTRONIC PROPERTIES IN SODIUM-ION ELECTROLYTES FOR SOLID-STATE BATTERY MATERIALS
… and understanding the electronic properties of sodium-ion electrolytes using first-principles calculations. The core of these calculations is built upon a functional understanding of the relationship between quantum mechanics and the crystalline geometries that contribute to unique properties of …
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First principle study of Nax[TiyZnzMnw]O2 as a cathode material for sodium-ion batteries
The fast-growing energy generation from renewable sources such as solar, wind, and waves is calling for reliable energy storage technologies with high energy density, high power, and low cost, because the energy harvested from these renewable energy sources is intermittent. Currently, the leading …
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Optimization of Spray Pyrolysis for the Synthesis of Cathode Materials for Lithium- and Sodium-ion Batteries
… economy. Today, the advancement of lithium-ion batteries is being taken to the next level with targeted applications being electric vehicles (EVs) and grid storage. Current widespread application of EVs is primarily limited by their short range and high price, which are significantly driven …
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Dielectric Relaxation Processes at Apical Membranes of Frog Skin: Changes of Capacitance and Sodium Ion Channel Density
… membranes and to determine whether vesicle fusion is the likely mechanism for the regulation of apical Na$\sp+$-channel density. Experiments were done in the presence of 100 $\mu$M amiloride and Na$\sp+$-free apical Ringer solution. This procedure reduced this epithelium to an electrical …
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Hydrothermal synthesis and characterization of zeolite from Malaysia’s natural kaolin for adsorption of sodium ion (NA+) from seawater
… intensively used as an adsorbent in the adsorption process for desalination. Desalination is a technique to eliminate sodium ion and other minerals in the water. Because of the nature of seawater, which is very salty, the main purpose of the removal of sodium ion from seawater is to produce a …
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