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Showing 1 to 20 of 345 for “"lithium-ion batteries"”.
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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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Multiphysics Modelling of Lithium-Ion Batteries
Batteries, made up of repeating units of anode-electrolyte-cathode sandwiches, are complex structures involving a large number of coupled physical processes at a wide range of length scales. Atomic- and continuum-scale computational models have contributed to our understanding of the underlying …
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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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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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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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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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Composite Gel Polymer Electrolyte for Lithium Ion Batteries
<p>Batteries have 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 …
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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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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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Novel lithium iron phosphate materials for lithium-ion batteries
Conventional energy sources are diminishing and non-renewable, take million years to form and cause environmental degradation. In the 21st century, we have to aim at achieving sustainable, environmentally friendly and cheap energy supply by employing renewable energy technologies associated with …
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DEGRADATION ANALYSIS AND HEALTH MONITERING OF LITHIUM ION BATTERIES
Degradation and health monitoring of lithium-ion batteries is explored through life-cycle testing and failure analysis. Test samples comprised of four different battery types from two different manufactures underwent aging and charge/discharge cycling using a variety of load profiles including …
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Investigation into key interfacial reactions within lithium-ion batteries
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2016-07-07 without embargo terms
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Investigation of alternative batteries systems beyond lithium-ion batteries
… an increasing demand for state-of-the-art Li-ion batteries. Meanwhile, alternatives to current Li-ion batteries are proposed to improve battery safety, energy density, C-rate, etc. Approaches towards such alternatives include the utilization of novel electrolytes, anode and cathode materials, …
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Operando investigations of mechanical changes in lithium-ion batteries
Li-ion batteries are increasingly present in modern life. They principally power compact, handheld devices and electric vehicles. Mechanical changes are always occurring within batteries due to expansion and contraction of the active materials during lithiation and delithiation, degradation of the …
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NMR Studies of Interfacial Reactions in Lithium-Ion Batteries
The development of rechargeable batteries with higher energy densities and longer lifetimes represents a major challenge in enabling the shift from fossil fuel-powered to electric vehicles. Preventing the parasitic reactions between the electrodes (positive and negative) and the electrolyte …
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