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 210 for “"lithium ion battery"”.
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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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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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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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Lithium-ion battery modeling using non-equilibrium thermodynamics
The focus of this thesis work is the application of non-equilibrium thermodynamics in lithium-ion battery modeling. As the demand for higher power and longer lasting batteries increases, the search for materials suitable for this task continues. Traditional battery modeling uses dilute solution …
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Simulating, Controlling, and Understanding Lithium-ion Battery Models
Lithium-ion batteries are widespread in consumer electronics, electric vehicles, and grid storage. Developing better batteries and more intelligent battery management systems is an active area of research – operating batteries safely, maximizing their lifetimes, and inventing new materials are …
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The lithium-ion battery industry for electric vehicles
… as a viable alternative means of transportation, driven by energy security concerns, pressures to mitigate climate change, and soaring energy demand. The battery component will play a key role in the adoption of these vehicles as it defines their cost, range and safety. Advances in …
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Deep transfer-learning based lithium-ion battery fault diagnosis
Fault detection in lithium-ion batteries (LiB) is paramount to ensuring the long life and proper functioning of the batteries. To that end, this thesis proposes a combined fault diagnosis framework that leverages voltage charging curves and voltage charging curve fault residuals to accurately …
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Electrochemical Model Based Fault Diagnosis of Lithium Ion Battery
A gradient free function optimization technique, namely particle swarm optimization (PSO) algorithm, is utilized in parameter identification of the electrochemical model of a Lithium-Ion battery having a LiCoO2 chemistry. Battery electrochemical model parameters are subject to change under severe …
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High accuracy computational methods for lithium ion battery materials
… ongoing research to improve the performance of Lithium-ion batteries has required the study of increasingly complex physical and chemical phenomena. In this context, the use of computational tools to quantitatively assess these phenomena has proven crucial for advancing the Lithium-ion battery …
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Development of Advanced Nanomaterials for Potential Lithium-Ion Battery Application
Lithium-ion batteries (LIBs) are promising energy storage media under serious consideration for practical applications in electric vehicle (EVs) and hybrid electric vehicles (HEVs). However, to meet the requirements for EVs and HEVs, the performance of commercially available LIBs needs to be …
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Integrated Tandem Dye Sensitized Solar Cell (DSSC)-Lithium Ion Battery
… in batteries, which further adds to the complication and increase in cost to the overall renewable energy system. Integrating the generation and storage of solar energy in a single device would be a more cost effective way towards meeting the increasing energy demand due to its simplicity in …
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Directed lithium transport in high capacity lithium-ion battery electrodes
Lithium-ion batteries enable a modern, mobile society and are a widely used source of portable energy storage. Chapter 1 provides background and motivation for improving lithium-ion battery performance. Specifically these batteries still need improvements in terms of specific energy, specific …
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Constant-temperature constant-voltage charging method for lithium-ion battery technology
Lithium-ion batteries are the Electrical Vehicles' (EVs) best choice of Energy Storage Systems (ESS) on account of their energy density, power density, and life cycle. In order for the EVs to compete with conventional vehicles, they need faster-charging methods to have equivalent refueling time. …
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Immersed Interface Adaptive Mesh Refinement Methods for Lithium-ion Battery Simulations
With growing concerns over energy depletion and increasing global carbon dioxide emissions, many national governments have announced commitments to phase out internal combustion engine vehicles by 2040 [3, 4]. This transition highlights the critical and urgent need for advancements in battery …
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Mechanical behavior of shell casing and separator of lithium-ion battery
… vehicle (EV) market, the mechanical safety of lithium-ion batteries has become a critical concern for car and battery manufacturers as well as the public. Lithium-ion battery cells consist of cathode, anode, separator and shell casing or aluminum plastic cover. Among them, the shell casing …
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Direct Lithium-ion Battery Recycling to Yield Battery Grade Cathode Materials
The demand for Lithium-ion batteries (LIBs) has been growing exponentially in recent years due to the proliferation of electric vehicles (EV). A large amount of lithium-ion batteries are expected to reach their end-of-life (EOL) within five to seven years. The improper disposal of EOL lithium-ion …
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Modeling of Electronic and Ionic Transport Resistances Within Lithium-Ion Battery Cathodes
… low and high rates of discharge. This porous battery model can be used to provide researchers a better physical understanding relative to prior models of how cell morphology and materials affect performance due to improved accounting of how effective resistance change with morphology and …
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Lithium-ion Battery Devices as a Method of Doping Metal Halide Perovskites
… promising material systems for the next generation of energy conversion devices studied today. Reports of record-breaking energy conversion efficiencies are disclosed on an almost yearly basis. However, unlike traditional inorganic semiconductors such as silicon and GaAs, the impact of inserting …
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