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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 1358 for “"batteries"”.
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Investigation of alternative batteries systems beyond lithium-ion batteries
… an increasing demand for state-of-the-art Li-ion batteries. Meanwhile, alternatives to current Li-ion batteries are proposed to improve battery safety, energy density, C-rate, etc. Approaches towards such alternatives include the utilization of novel electrolytes, anode and cathode materials, and …
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Printable lithium batteries
Printable lithium iron phosphate (LiFePO4) cathodes and porous aerogel / polymer separators have been designed, constructed, and tested. The cathodes consist of LiFePO4, PVDF binder, and conductive carbon which was developed for robocast deposition (printing) onto carbon coated aluminum substrates …
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Lead reversible batteries
Made available in DSpace on 2017-11-30T22:46:13Z (GMT). No. of bitstreams: 2 5956609.pdf: 6530818 bytes, checksum: 9093e951d943715fd5eee9fb827df75e (MD5) license.txt: 4813 bytes, checksum: 715c4321821a960fa1a1e91d2ac7ebce (MD5) Previous issue date: 1893
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Composite Multifunctional Lithium Ion Batteries
… The design of the composite multifunctional batteries for optimal performance involves the proper selection of the materials, architecture, and electrical interconnection. The ultimate goal is to incorporate a battery with a continuous composite fibrous fabric within the structured composite …
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Electrocatalysis In Li-S Batteries
… 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 polysulfides, the week adsorption of polysulfides on carbon surface and its poor reaction kinetics limits them from practical …
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Fractional modelling of rechargeable batteries
To develop a compact battery model, many authors begin by measuring the impedance of a battery over a frequency range of interest. Most of the models in the literature are either Thevenin-style or Randles’ model consisting of one or two RC networks and sometimes a Warburg element. These models are …
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Comparison of two fitness batteries
Not Available.
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Mechanical design of flow batteries
… the design of low-cost, high-efficiency flow batteries. Researchers are searching for next-generation battery materials, and this thesis presents a systems analysis encompassing static and moving electrode architectures that identifies which architecture is most appropriate for which materials …
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Zinc alloy powders for alkaline batteries
… to produce zinc oxide and electrons. Alkaline batteries are prone to leakage during storage. This phenomenon is caused by zinc dissolving into the alkaline solution and producing hydrogen gas as a byproduct. In the past, mercury was alloyed with zinc to slow down the corrosive process and …
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Graphene derivatives for Li-ion batteries
… sources. Among these alternatives, lithium-ion batteries have emerged as premier renewable energy reservoirs for consumer electronics, electric vehicles (EVs), and power networks due to their exceptional energy density, extended lifespan, lightweight design, and minimal maintenance requirements. …
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Interfacial processes in Li-ion batteries
… 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 of …
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Multiphysics Modelling of Lithium-Ion Batteries
Batteries, made up of repeating units of anode-electrolyte-cathode sandwiches, are complex structures involving a large number of coupled physical processes at a wide range of length scales. Atomic- and continuum-scale computational models have contributed to our understanding of the underlying …
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Mechanical failure of lithium-ion batteries
The commercialization of lithium-ion batteries has accelerated the electrification process of vehicles. In the past decade, one could see great advances in the life span, cost, performance, specific energy, and specific power of batteries. At the same time, the safety of batteries has not been …
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Integrated thin film batteries on silicon
… and studying thin film integrated lithium ion batteries compatible with microelectronics with respect to the material system employed, the cells' fabrication methods, and performance. The project consisted of three stages; first, a material system new to the battery application field was …
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Composite cathodes for lithium rechargeable batteries
… electrode materials for solid-state rechargeable batteries. In situ growth of cathodic phases within ion-conducting copolymer domains was explored as a means to control morphology and to increase the surface-area-to-volume ratio, thereby increasing the specific electrode area for faradaic …
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Performance targets for electric vehicle batteries
… run on electricity from clean energy sources. Batteries affect the consumer adoption of electric vehicles by influencing two important vehicle characteristics: cost and driving range on a single charge. The cost of the battery is a significant fraction of total vehicle cost, and the battery's …
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Intercalation dynamics in lithium-ion batteries
… I will present several new findings relevant to batteries: Defect Interactions: When applied to strongly phase-separating, highly anisotropic materials such as LiFePO4, this model predicts phase-transformation waves between the lithiated and unlithiated portions of a crystal. This work extends …
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Modeling and Design of Betavoltaic Batteries
… the power source is also preferred. Betavoltaic batteries are a very promising power source that can fulfill these requirements. They can be miniaturized to the size of a human hair. On the other hand, miniaturization of chemical batteries is restricted by low energy density. That is why …
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