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Showing 1 to 20 of 121 for “"Li-Ion battery"”.
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Electrodeposited macroporous vanadium oxide Li-ion battery materials
Enhanced battery materials are an important 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 …
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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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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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High power li-Ion battery performance: a mechanistic analysis of aging
Nowadays, lithium ion batteries (LIBs) are omnipresent on a worldwide level. As a result of their high energy density, high power density and increasing cycling life, LIBs are a well-founded technology for its use on portable electronic devices, electric vehicles (EVs) and electrical energy storage …
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In situ studies of surface reactions affecting Li-ion battery failure
Li-ion batteries dominate commercial use in economically important applications such as portable electronic devices and electric vehicles. Tremendous effort has been dedicated to improving the safety and cycle life of Li-ion batteries. Unfortunately, many of the mechanisms and fundamental atomistic …
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Electrochemical Flow System for Li-Ion Battery Recycling and Energy Storage
The wide applications of energy storage systems in consumer electronics, electric vehicles, and grid storage in the recent decade has created an enormous market globally. The electrochemical flow system has many applications in Li-ion battery recycling and energy storage system design. First, …
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Experimental and Modeling Study of the Thermal Management of Li-ion Battery Packs
… and numerical study of the thermal management of Li-ion battery packs under the context of electric vehicle (EV) or hybrid EV (HEV) applications. Li-ion batteries have been extensively demonstrated as an important power source for EVs or HEVs. However, thermal management is a critical challenge …
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PEG-coated Fe3O4 for li-Ion battery anodes: Effects of crystallite size and surface chemistry
Battery electrodes are complex mesoscale systems comprised of an active material, conductive agent, current collector, and polymeric binder. Previous work focused on enhancing electron and ion transport in high capacity anode systems by introducing poly[3-(potassium-4- butanoate) thiophene] (PPBT) …
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Towards Realization of an Innovative Li-Ion Battery: Materials Optimization and System Up-Scalable Solutions
The optimisation of existing chemistries by the introduction of environmentally friendly materials and the simplification of the device production process are intriguing challenges to promote the future widespread diffusion of LIBs. Moreover, the recent development of the next-generation electronic …
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Charge Scheduling of Plug-in Hybrid Electric Vehicles (PHEVs) for Minimized Li-ion Battery Degradation
… that will help make the smart grid a reality. The Vehicle to Grid (V2G) feature of PHEVs has the potential to help both the PHEV user as well as the electric utilities. However, overuse of V2G for profit will result in the accelerated degradation of the Li-ion batteries of the PHEVs. …
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Li-ion battery electrode state of charge and degradation monitoring using battery casing as the reference electrode
Lithium-ion battery (LIB) internal state such as state of charge (SOC), electrode capacity, and available lithium-ion monitoring is helpful for effective battery degradation monitoring. Monitoring these internal parameters is challenging due to the weak observability of the electrode parameters and …
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Material characterization of Li-ion battery segments subjected to lateral compression and an in-plane tension loads
In the last two decades, Lithium-ion (Li-ion) batteries have become an inherent part of day-to-day life thanks to their widespread use in many consumer products and electric vehicles. While these batteries possess great advantages, they also carry an inherent safety liability: In case of a crash …
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Chemo-elastic behavior of reconstructed Li-ion battery cathode particles with phase transformation: a numerical and analytical investigation
… response of 3-D reconstructed and idealistic Li[subscript x]CoO[subscript 2] cathode particles has been elucidated with the implementation of an isothermal microscale numerical and analytical solution. The electrode stress-strain state is delineated upon the contribution of: i) phase …
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SOLID-STATE NMR INVESTIGATION OF STRUCTURE AND DYNAMICS OF SOLID ELECTROLYTES AND COATINGS FOR LI-ION BATTERY APPLICATIONS
Li-ion batteries have revolutionised energy storage in portable electronics. 30 years later, batteries are in the process of electrifying ground-based transport. For batteries to replace fossil fuels completely, it is paramount to decrease the inherent safety risks of current flammable electrolytes …
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Development of first principles paramagnetic NMR methodologies to probe the complex local structural properties of Li-ion battery materials
NMR spectroscopy of paramagnetic solids provides detailed information about the local configuration and the chemical environment of the NMR observed center, as well as about the structural, magnetic and electronic properties of the coordianted paramagnetic centres. In the case of complex …
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