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 289 for “"Li ion"”.
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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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Ordered macroporous metal oxides and carbonaceous composites for Li-ion and beyond Li-ion batteries
This thesis provides an in-depth investigation of three-dimensional ordered macroporous materials, specifically inverse opal materials, for electrochemical energy storage systems, particularly rechargeable batteries. Exploring the potential of composite structures, this research focuses on …
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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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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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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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Transition Metal Oxides for Cathode of Li-ion Battery
Layered transition metal oxides are used as cathode materials in Li-ion batteries particularly in those used in the automobile industry. With growing demands for high energy supply for practical applications, Ni -rich cathodes have become a popular option due to their high theoretical capacity; …
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STATISTICAL MODELS AND INFERENCE FOR LI-ION BATTERY PROGNOSTICS
… prognostics and health management methods for Li-ion batteries has received increasing attention in recent years. This thesis proposes three statistical models and inference for the Li-ion battery prognostics based on the easy to measure operational profiles. The three models include a Bayesian …
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Operando fibre Raman sensors for Li-ion battery chemistry
… vehicle technology and renewable energy integration to meet the Paris Agreement. Real-time monitoring of chemical processes within the cell is essential, but the complex and volatile nature of battery components makes the integration of diagnostic sensors non-trivial. Combining optical fibres and …
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Surface studies of Li-ion and Mg battery electrodes
This dissertation focuses on studies of the surfaces of both Li-ion and Mg-ion battery electrodes. A fundamental understanding of processes occurring at the electrode surface is vital to the development of advanced battery systems. Additionally, modifications to the electrode surfaces are made and …
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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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Optimization of Fasp for Li-Ion Cathode Material Production
… given the projected increase in battery consumption in the next decade and beyond. One key limiting factor of batteries is their cost, and one major way to reduce battery costs is by decreasing the time needed to produce them. The FASP system uses Flame-Assisted Spray Pyrolysis, and the …
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Diseño de un BMS para baterías de tecnología Li-Ion
… de un único BMS para todos los tipos y configuraciones de celdas. Solamente será necesario cargar los parámetros óptimos del tipo de celda utilizada y las limitaciones de la batería en su conjunto. Para conseguirlo, se analizan las características de los BMSs existentes y se diseña un BMS basado …
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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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Stress evolution of thin film RuO₂ Li-ion battery electrodes
Abstract Thin Film Li-ion batteries (TFB) are seen as a promising candidate for powering small, low power microelectronic devices as they exhibit high energy density and can operate reliably at low voltages. Currently the biggest obstacle to TFB battery development is high volume expansion and …
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Combined tensile-compressive biaxial loading of Li-ion battery components
Lithium-ion batteries under a mechanical load can develop failures in the internal multi-layer structure. Due to the flammable materials required for construction, the safety of the battery has been in question since it was first developed. Internal failures can create a short circuit which may …
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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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