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 168 for “"Li-Ion Batteries"”.
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Graphene derivatives for Li-ion batteries
… economy underscores the urgent need to transition from fossil fuels to renewable alternatives. Depleted reserves of fossil fuels and escalating environmental concerns further highlight the necessity for viable alternatives to conventional energy sources. Among these alternatives, lithium-ion …
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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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Aerosol Synthesis Of Cathode Materials For Li-Ion Batteries
Rapid advancement of technologies for production of next-generation Li-ion batteries will be critical to address the Nation's need for clean, efficient and secure transportation system and renewable energy storage system. Advancements in materials are believed to be essential to meet the growing …
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Robust optimization techniques and design of Li-ion batteries
This thesis applies robust optimization techniques to the design of Lithium-ion batteries with spatially varying porosities. The microstructure of a porous electrode was designed to minimize the Ohmic resistance. The spatial variation in the porosities was found to provide enhanced robustness of …
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Semiconductors for Li-ion batteries: Raman spectroscopy & electrode microfabrication
The student, Brandon Long, accepted the attached license on 2012-09-20 at 22:19.
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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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Calendar, Cycling, and Fast charging aging in Li-ion batteries
L'abstract è presente nell'allegato / the abstract is in the attachment
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Solvent-free additive manufacturing of electrodes for Li-ion batteries
"A new Li-ion battery electrode manufacturing process using a solvent free additive manufacturing method has been developed. Li-ion battery electrodes consist of active material particles, a binder additive, and a conductive additive. Traditionally, Li-ion battery electrodes are manufacturing using …
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DETECTING MECHANICAL DAMAGE FROM THE TIME CONSTANTS OF LI-ION BATTERIES
… the dependency of the internal processes of Li-ion batteries on operating conditions, cycling life, and mechanical damage. Li-ion Batteries are the preferred energy storage solution for many applications, including cell phones and electric vehicles. However, they can pose serious hazards if …
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Morphology and mechanical behavior of composite electrodes for Li-ion batteries
Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2012-12-14T18:11:01Z Item was in collections: University of Illinois Theses & Dissertations (ID: 1) No. of bitstreams: 3 Verma_Ankit.docx: 25902052 bytes, checksum: 29ce28249278f74b2862021866fa71c1 (MD5) Verma_Ankit.pdf: 3510116 bytes, …
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Understanding two-phase reaction processes in electrodes for Li-ion batteries
The occurrence of a phase separation, which induces substantial structural rearrangements and large volume changes, is generally considered to limit the high rate application of any battery electrode material. Contrary to this perception, nanoparticulate LiFePO$_{4}$ exhibits exceptionally high …
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Methodology for Pyrolysis-induced Thermal Runaway Analysis in Li-ion Batteries
As the adoption of lithium-ion batteries (LIBs) grows due to the demand for highenergy density storage solutions, ensuring their safety becomes paramount. Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC), which have traditionally been tools in polymer thermal analysis …
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The Material Separation Process for Recycling End-of-life Li-ion Batteries
End-of-life lithium-ion batteries retired from portable electronics, electric vehicles (EVs), and power grids need to be properly recycled to save rare earth metals and avoid any hazardous threats to the environment. The recycling process of a Lithium-ion Battery Cell/Module includes storage, …
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Organic Template-Assisted Synthesis & Characterization of Active Materials for Li-ion Batteries
The Lithium-ion (Li-ion) battery is one of the major topics currently studied as a potential way to help in reducing greenhouse gas emissions. Major car manufacturers are interested in adapting the Li-ion battery in the power trains of Plug-in Hybrid Electric Vehicles (PHEV) to improve fuel …
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Nuclear Magnetic Resonance Studies of Electrode and Electrolyte Materials for Li-Ion Batteries
… (NMR) spectroscopic techniques are used to study lithium electrode and electrolyte materials for advanced rechargeable lithium ion batteries. Three projects are described in this thesis. The first involves <sup>23</sup>Na and <sup>37</sup>Al static and magic angle spinning NMR studies of …
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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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Electrochemomechanical fatigue and fracture in electrode and electrolyte materials for Li-Ion batteries
In Li-ion batteries (LIBs), electrochemically driven dimensional changes in the electrodes lead to mechanical stress buildup during operation. Electrochemomechanical fatigue refers to both mechanical degradation (fracture) and the associated chemical degradation that is exacerbated by fracture as a …
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Investigation of new phase change material based thermal management systems for Li-ion batteries
… connected in series is tested with various cooling methods at different discharge rates. Four different coolant inlet temperatures are selected for the investigation. The results from the battery pack tests at no cooling show that the surface temperature of the battery increases with an …
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