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 4200 for “"LI"”.
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Material engineering for Li-ion capacitors and Li-ion batteries
… behind personal and industrial electronics. Li-ion batteries became the most prevalent rechargeable energy storage technology in market because of a high energy density. However, a power density (especially charging) of Li-ion batteries is not satisfactory for certain applications. In this …
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Messung der Ladungsradien der radioaktiven Lithium-Isotope Li-8 und Li-9
… entwickelt, um die Ladungsradien kurzlebiger Lithium-Isotope zu bestimmen. Es basiert auf der präzisen Messung eines atomaren Übergangs in Kombination mit einer kürzlich durchgeführten, sehr genauen theoretischen Berechnung des spezifischen Masseneffekts. Das Messverfahren erfüllt die hohen …
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Design and Frabication of Optical Li+ Sensors for Application in Li-ion Batteries
Li-ion batteries have redefined expectations for consumer electronics and are the key technology in enabling the electrification of road transport. Their contribution to decarbonisation only stands to increase in the coming decades as demand for Li-ion batteries continues to soar. However, as …
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Tailoring Fluoride/Fluorine Bond Activity for High-Energy Li and Li-ion Batteries
Extending the classes of reactions that underlie electrochemical energy storage systems is of fundamental and practical importance to improving mobility, autonomy, medical devices and electronics. Most of the cathode materials developed so far are oxide-based: all commercial Li-ion cathodes utilize …
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Li₂0₂ in Li-0₂ batteries : catalytic enhancement of electrochemical oxidation and thermophysical transformations
… in reducing dependence on foreign oil and curtailing global warming. However, optimal market penetration of electric vehicles is confronted with the prohibitive cost and limited energy capacity of current state of the art lithium-ion battery packs, factors which limit range below 300 miles. …
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Electrocatalysis In Li-S Batteries
<p>Stabilizing polysulfide-shuttle process while ensuring high sulfur loading holds the key to realize high theoretical energy density (2500 Wh/kg) of lithium-sulfur (Li-S) batteries. Though several carbon based porous materials have been used as host structures for sulfur and its intermediate …
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Ordered macroporous metal oxides and carbonaceous composites for Li-ion and beyond Li-ion batteries
… nanocomposites and C/TiO2 inverse opal anodes in Li-ion batteries, and carbon inverse opal anodes in Na-ion and K-ion batteries. Employing comprehensive characterization techniques, this research studies intricate material properties and electrochemical responses inherent in these structures. The …
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Li Zi-Li and His Viola Concerto: Musical Analysis and a Study of Performance Interpretation
… intends to examine the Viola Concerto No. 1 by Li Zi-Li in depth and offers musical analysis as well as interpretations and suggestions for how to perform this work. Compared to Western viola repertoire, Chinese viola repertoire is much less studied and performed by violists. Currently, …
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Enhancing the oxidation of Li₂O₂ in Li-O₂ batteries : mechanistic and chemical efficacy probing
The wide consensus regarding anthropogenic climate change, the positive correlation between economic growth and greenhouse gas emissions, and the humanitarian need for further global growth urges the decoupling of energy usage and emissions. To power portable electronics, enable electrification of …
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Physics-Based Li-Svo Cathode Model
… the open-circuit potential modeled with a Redlich-Kister equation. By assuming that lithium ions intercalate only through the ends of the cuboid SVO particles, the model is able to predict accurately the discharge profile of experimental cathode half cell coin cells.</p>
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Graphene derivatives for Li-ion batteries
… escalating environmental concerns further highlight the necessity for viable alternatives to conventional energy sources. Among these alternatives, lithium-ion batteries have emerged as premier renewable energy reservoirs for consumer electronics, electric vehicles (EVs), and power networks due …
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Interfacial processes in Li-ion batteries
This thesis focuses on interfacial processes in Li ion batteries. Rechargeable Li-ion batteries are among the best technologies available for energy storage in both portable electronics and transportation scale applications. Li-ion batteries store and discharge energy by accumulation and transport …
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Literature Review on Li⁺/Na⁺ and Li⁺/K⁺ Separation Processes Compatible with Multistage MSED/NF Lithium Extraction System
Demand for lithium, a major battery component, is increasing in the ongoing clean energy transition. To increase potential sources, lithium extraction from geothermal brines is being researched. Extracting Li⁺ from brine is difficult as there are other ions present as well. Mg²⁺ and Ca²⁺ are about …
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Material Interactions with Molten LiCl-Li2O-Li
… reduction of oxide nuclear fuel in a molten lithium chloride electrolyte containing 1-2wt% lithium oxide is a fuel cycle process that has been established on an engineering scale. The electrochemical window of lithium oxide must be exceeded in order to conduct this process at an appreciable …
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Gel polymer electrolytes for Li metal protection
L'abstract è presente nell'allegato / the abstract is in the attachment
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The Psychosocial Effects of The Li-Fraumeni Education and Early Detection (Lead) Program On Indivdiuals With Li-Fraumeni Syndrome
<p>Li-Fraumeni syndrome (LFS) is a hereditary cancer syndrome that leads to an increased risk of multiple cancers. In the past five years new screening protocols have been developed that provide improved screening options for individuals with LFS. However, very little has been published on the …
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Nuclear fusion of Li-6 H-2 crystals
The inception of this study lies in mankind's need for energy in order to drive commerce, industry and development. Although several sources have been exploited in the production of energy, it is the personal opinion of the author that the most novel of these is atomic energy. It is known that …
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Electrodeposited macroporous vanadium oxide Li-ion battery materials
… area of research due to the broad range of applications and the need for high capacity and high cycling stability batteries for enable the future electric vehicles and consumer electronics. This work reports on the electrodeposition of 3D macroporous vanadium oxide inverse opals and binary …
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Pistolová páječka s napájením z baterií Li-Ion
… na pájecí smyčce je 32 W. Technicky se jedná o velice zajímavou alternativu ke klasické verzi páječky, kdy se může využívat při montážích či opravách ve špatně dostupných místech.
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