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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 539 for “"Lithium-ion"”.
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Composite Multifunctional Lithium Ion Batteries
… as well as the power source for a transportation vehicle. The combination of both mechanical and electrochemical aspects within one material defines the component as a multifunctional material, or in this case, a multifunctional battery. The design of the composite multifunctional batteries …
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Mechanics of lithium-ion battery electrodes
"Lithium-ion battery technology has improved tremendously since it was first commercialized in the 1990s, and today lithium-ion batteries are one of the lightest and smallest rechargeable batteries commercially available. While lithium-ion batteries are ubiquitous in portable electronics, limited …
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Multiphysics Modelling of Lithium-Ion Batteries
… scales. Atomic- and continuum-scale computational models have contributed to our understanding of the underlying physics as well as to the design and development of batteries. However, current continuum laboratory-scale models have limitations which arise from the assumptions and …
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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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Towards a lithium-ion fiber battery
… to achieve large-area, low-cost, scalable production of flexible systems. In this thesis we propose a new Li-ion battery architecture in a fiber form that could be the building block to large-area, conformal, flexible power sources, achieved through fiber thermal drawing. This architecture is …
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Intercalation dynamics in lithium-ion batteries
… proposed by Singh, Ceder, and Bazant for the ion intercalation dynamics in a single crystal of rechargeable-battery electrode materials. It is based on the Cahn-Hilliard equation coupled to reaction rate laws as boundary conditions to handle the transfer of ions between the crystal and the …
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MULTI-LAYERED, VARIABLE POROSITY SOLID- STATE LITHIUM-ION ELECTROLYTES: RELATIONSHIP BETWEEN MICROSTRUCTURE AND LITHIUM-ION BATTERY PERFORMANCE
… devices is increasingly focused on the relationship between the microstructures of electrochemically- active materials and overall battery performance. The advent of solid-state electrolytes with multi-layered, variable porosity microstructures opens new avenues to creating the next …
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NMR Studies of the Electronic Structure, Lithium-Ion Dynamics, and Prelithiation of Lithium-Ion Battery Anode Materials
The development of high energy density Li-ion batteries is essential if we are to succeed in the electrification of the transport system. Central to this is the need for electrodes with increased specific capacity (mAh/g and mAh/cm3) which can run for 100s to 1000s cycles. The manufacturing of …
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Polyanionizing rocksalt cathodes for lithium-ion batteries
Rocksalt-type and olivine polyanion-type cathodes are the two most dominant families of practical lithium-ion battery (LIB) cathodes. Rocksalt-type cathodes, including layered LiCoO₂, [chemical formula] (NCM), spinel LiMn₂O₄ and [chemical formula], and the later-developed disordered rocksalt …
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Chemo-mechanics of lithium-ion battery electrodes
Mechanical deformation plays a crucial role both in the normal operation of a Lithium-Ion battery, as well as in its degradation and ultimate failure. This thesis addresses the theoretical formulation, numerical implementation, and application of fully-coupled deformation-diffusion theories aimed …
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A multi-functional electrolyte for lithium-ion batteries
Thermal management of lithium-ion batteries (LIBs) is paramount for multi-cell packs, such as those found in electric vehicles, to ensure safe and sustainable operation. Thermal management systems (TMSs) maintain cell temperatures well below those associated with capacity fade and thermal runaway …
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MULTILAYER COMPOSITE SOLID ELECTROLYTES FOR LITHIUM ION BATTERIES
<p>Lithium ion batteries (LIBs) are becoming the standard energy storage option for an increasingly diverse range of applications from mobile phones to cars. The conventional liquid electrolytes based LIBs are prone to failure in conditions such as high operating temperature, solvent leakage, …
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THERMAL MODELS OF LITHIUM-ION CELLS AND BATTERIES
… research work, a variety of thermal models for lithium-ion cells and battery systems with different materials and configurations were developed by incorporating the cell energy balance equations and the temperature-dependency of cell parameters into the different electrochemical models.</p> …
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Composite Gel Polymer Electrolyte for Lithium Ion Batteries
… been ubiquitously utilized in enormous applications such as portable electronics, satellites, computers, medical instruments, and electric cars. The development of battery technology has been through a long journey since the 17th century, paving its way to commercialization of lithium ion …
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Power Estimation for High-Performance Lithium-Ion Batteries
… the challenges associated with power estimation for lithium-ion batteries from both experimental and modeling perspectives. From a safety perspective, accurately determining whether the battery pack can provide the necessary power for a given task is crucial for applications with high power …
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Self-healing strategies for lithium-ion battery anodes
U of I Only Restriction Lifted for Item 79869 on 2017-07-23T09:15:36Z.
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Characterization and control of lithium-ion battery interfaces
Energy production from any source, be it fossil fuels, coal, natural gas, solar, wind brings with it the question on how to distribute, and or how to store the energy produced. At the large scale, technologies such as pump-hydro and thermal energy storage are usually the best available options. …
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New metastable cathode materials for lithium-ion batteries
… discovery and study of new cathode materials for lithium-ion batteries. To obtain new materials, a well-known strategy based on ion-exchanging alkali metals within stable crystalline frameworks was used. Ion-exchange procedures between sodium and lithium ions were performed on known sodiated …
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