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Showing 1 to 16 of 16 for “"solid electrolyte interface"”.
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Understanding the solid electrolyte interface (SEI) on alloying anodes: development of a methodology for SEI sample preparation and x-ray photoelectron spectroscopy characterization and studies of the SEI on electrodeposited thin film intermetallic anodes for Li-ion batteries
The solid electrolyte interface (SEI) is an important component of Li-ion rechargeable batteries that forms due to the potential stability limits of the organic electrolyte falling within the large operating potential window of the battery. It plays a crucial role in battery performance by …
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Harnessing Solid-State Ionic Transport for Nanomanufacturing and Nanodevices
Through this work a new all-solid, ambient processing condition direct metal patterning technique has been developed and characterized. This ionic-transport-based patterning technique is capable of sub-50nm feature resolution under ambient conditions. It generates features with a rate that is …
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Synthesis and electrochemical studies of novel ionic liquid based electrolytes
… have received substantial interest as nonaqueous electrolytes in lithium ion- and metal-air batteries in recent years due to their low volatility, non-flammability, wide liquid range, and thermal stability characteristics. Towards developing a new generation of high specific energy lithium ion …
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In-depth study and analysis of lithium-ion battery states using battery degradation data from electrochemical impedance spectroscopy
… with an increase in cycle life. Growth of the solid electrolyte interface (SEI) layer is observed after the 150th cycle with the evolution of two semi-circles in the Nyquist plots emphasizing the use of second-order ECM for LIB performance estimations. The changes in the double-layer …
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Microstructure Engineering of All-Solid-State Composite Electrodes
… of advanced energy storage systems is critical. Solid-state batteries (SSBs) have emerged as promising alternatives to traditional lithium-ion batteries for next-generation energy storage due to their enhanced safety and higher energy densities. Composite cathodes are pivotal in determining the …
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Modeling, Simulation, and Analysis of Lithium-Ion Batteries for Grid-Scale Applications
… These models included the growth of the solid-electrolyte interface layer on the battery electrodes to measure capacity fade during operation. This capacity fade mechanism allowed tracking of the site specific effects on battery life.</p> <p>A systems level model for an electric vehicle …
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Multiscale Modeling, Reformulation, and Efficient Simulation of Lithium-Ion Batteries
… stack battery models.</p><p>The growth of the solid electrolyte interface (SEI) layer contributes to capacity fade by means of a side reaction which removes lithium from the system irreversibly as well as increasing the resistance of the transfer lithium-ion from the electrolyte to the active …
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Graphene-based Hybrid Electrodes for High-Performance Supercapacitors
… capacitance value than other capacitors. The interface between the electrodes and electrolytes is crucial in advancing supercapacitor performance, as this solid electrolyte interface (SEI) is where charge storage occurs, and the electrochemical reactions occur. Hence, controlling the chemistry …
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Ionic Liquids for High Performance Solid-state Lithium Metal Batteries
… ability to facilitate the formation of stable solid electrolyte interphase (SEI) layer. Understanding the challenges faced by lithium metal batteries and the role of ILs in them is vital to improving their performance. This study examines how ILs affect key factors such as ionic conductivity, …
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Unique templating of and applications enabled through mesoporous colloids
… a porous, conductive network, allowing both electrolyte diffusion and electron extraction, and confines the active materials. This confinement minimizes capacity loss through electrical isolation of the active materials and suppresses any pulverization or migration. The silicon-carbon anode …
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Self-reporting of Mn ion dissolution and self-stabilization of cathode-electrolyte interface in lithium ion batteries
… and release of battery additives triggered by electrolyte degradation to self-stabilize the cathode-electrolyte interface. Lithium manganese oxide (LMO) is a promising cathode material for lithium-ion batteries due to its high operating voltage, high thermal stability, environmental …
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ON THE AEROSOL SYNTHESIS OF HIERARCHICAL HYBRID CARBON NANOTUBE NANOMATERIALS FOR LITHIUM-ION BATTERIES
… vs. Li/Li+ , voltage hysteresis, and excessive Solid-Electrolyte Interface (SEI) formation leading to poor cell efficiencies and cycle life in a full cell. We suggest that further investigating the lithiation mechanism of CNTSUs, and modifying the CNTSU core composition may be a valuable future …
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Developing Label-free Imaging Techniques to Study Biological and Energy Conversion Processes
… basic surface reactions involved in solid electrolyte interphase (SEI) formation, lithium nucleation/plating and thus overall cycling performance improvement of the battery cell. This thesis demonstrates a new characterization technique based on a principle that is completely …
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Growth and applicability of radiation-responsive silica nanowires
… the nanoscale. Nanowire growth via vapor-liquid-solid (VLS) mechanism is no exception in this regard. Interfacial and line energies are found to impose some fundamental limits during three-phase nanowire growth and lead to formation of stranded nanowires with fascinating characteristics such as …
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DETECTING MECHANICAL DAMAGE FROM THE TIME CONSTANTS OF LI-ION BATTERIES
… related to diffusion, charge transfer, and solid electrolyte interface, as well as peaks in the high-frequency region related to contact resistances and ionic conductivity through the electrolyte and separator pores. We used the dependency of the peaks on the SOC level and temperatures to …
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Application of ambient mass spectrometry in electrochemical systems
Made available in DSpace on 2017-09-29T16:39:22Z (GMT). No. of bitstreams: 3 LIU-DISSERTATION-2017.pdf: 20432445 bytes, checksum: 822e7960639d048f27c3a1682c181f9d (MD5) LICENSE.txt: 4208 bytes, checksum: 26bcd64ff74cb25876083ac4ab0eacd2 (MD5) PROQUEST_LICENSE.txt: 4554 bytes, checksum: …