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 73 for “"battery systems"”.
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Business Models for Second-life Electric Vehicle Battery Systems
… that are initially seen as inferior. Battery second use (B2U) brings used batteries from an electric vehicle (EV) into a secondary storage application and holds the potential to improve the sustainability of EVs while generating value for stakeholders across the automotive and energy …
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Dynamic reconfigurable battery systems via graph-based deep reinforcement learning
… are built from hundreds or thousands of battery cells connected in fixed series-parallel configurations. These rigid topologies limit efficient power management, making it difficult to respond to dynamic cell imbalance and thereby reducing overall battery operating time. To address these …
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Development of Mechanical and Electrical Interfaces for Rapid Swap Battery Systems
… globally decarbonized energy economy, rapid swap battery packs provide a potential means to improve electric vehicle adoption in high utilization industrial vehicles where lengthy charge times are a barrier to electrification. High voltage, high current battery connectors are a critical component …
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Thermal Modelling, Management, and Electrical Safety Assessment for Containerised Vanadium Flow Battery Systems
… for large-scale applications. The Vanadium flow battery (VFB), which stores energy in liquid electrolytes, presents a distinct advantage by allowing extended storage through increased tank volume without the need for substantial equipment expansion. In industrial applications, where VFB systems …
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Use of Battery Systems for VAR Support in Con Edison’s Distribution Network/Substation
<p>Battery Energy Storage System (BESS) can facilitate the integration of Distributed Energy Resources (DER) and help create a more reliable grid by providing multiple services including reactive power (VAR) support. This research will investigate the use of smart inverters to provide VAR support, …
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Fluid Sealing Challenges in Solid Oxide Electrolysis Cells and Rapid Swap Battery Systems
… present inside solid oxide electrolyzer systems, and the development of seal geometries as well as flow characterization of porous steel wool seals to enable parametric design is documented. As an alternative to current sealing methods, initial development of a composite seal utilizing …
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Supramolecular effects in pyridinium compounds and their application towards practical redox flow battery systems
… are demonstrated for pyridinium-based systems and *operando* spectroscopic techniques are used to gain fundamental insights into structure and mechanisms. From such insights, methods are unlocked to both harness and suppress supramolecular effects towards regimes of performance …
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Development, Characterization, & Implementation of Phase-Change Material Cold Plates for Hybrid-Electric Vehicle Battery Systems
… of hybrid and electric vehicles with large battery packs as Energy Storage Systems (ESS) capable of long ranges and decreased emissions. These battery packs output large heat loads during charge-depletion mode and currently require active cooling to keep the batteries within operating …
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Reduction of the Premature Aging of PEM Fuel Cell - Battery systems by Implementing an Advanced Hybrid Control System Based on Double PID, Neural Network Load Predicting Algorithm and Optimal Battery Sizing Algorithm.
… is also improving the way fuel cells internal subsystems (water management, thermal management, power conditioning unit, gas supply management) are being controlled, managed and operated to enhance reliability and lifetime.<br/>This thesis takes the FC research to a different level of abstraction …
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A combined classification and queuing system optimization approach for enhanced battery system maintainability
Battery systems are used as critical power sources in a wide variety of advanced platforms (e.g., ships, submersibles, aircraft). These platforms undergo unique and extreme mission profiles that necessitate high reliability and maintainability. Battery system failures and non-optimal maintenance …
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Modeling and design of semi-solid flow batteries
… model of the recently introduced semi-solid flow battery system is developed and applied to address issues with important design and operation implications. Because of the high viscosity of semi-solid flow battery suspensions, alternative modes of operation not typically used in conventional redox …
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The synthesis and characterization of sodium polysulfides for Na-S battery application
… of the electrochemical mechanism of Na-S battery systems is a barrier to further improve the performance of the Na-S energy storage. The characterization of sodium polysulfides in the Na-S battery systems can offer insightful information to understand the electrochemical reaction mechanism …
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Modeling, Analysis, and Design of Switched-Capacitor Battery Cell Balancers
Battery systems have become crucial components in many modern technological solutions. Battery balancers are among the most important parts of these systems because they play a significant role in the battery’s lifespan and performance. A novel capacitive-based balancer was designed and tested for …
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The assessment of battery-ultracapacitor hybrid energy storage systems
Battery-ultracapacitors hybrid energy storage systems (ESS) could combine the high power density and high life cycle of ultracapacitors with the high energy density of batteries, which forms a promising energy storage system. In this thesis, an assessment of the benefits of the hybrid ESS relative …
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Improving Understanding of Lithium-Oxygen Batteries Using Atomistic Simulations
Developing novel battery technologies is required to electrify hard to decarbonize industries. One such novel technology, lithium–oxygen batteries, has great potential for electric aviation but is hampered by our lack of detailed knowledge of the processes occurring inside the batteries. Thus, the …
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Investigation On the Surface Morphology Of Metal Anodes In Zinc Air Batteries With Non-Aqueous Aprotic Deep Eutectic Solvent Electrolytes
… the demand for flexible energy storage systems with large power densities are required. While traditional Lithium ion battery systems cannot support these flexible devices, the Zinc-air system with its high energy and power density, is a very promising alternative. However, its …
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Fabrication and demonstration of high energy density lithium ion microbatteries
… term, so efforts to fully optimize existing systems must be pursued at in parallel. This optimization must be mainly relying on the modification and optimizations of micro and macro structures of current battery systems. This kind of battery architecture study will be even more important when …
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Modeling techniques and control strategies for inverter dominated microgrids
The character of modern power systems is changing rapidly and inverters are taking over a considerable part of the energy generation. A future purely inverter-based grid could be a viable solution, if its technical feasibility can be first validated. The focus of this work lies on inverter …
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Thermoelectrochemical model for RFB with an application at a grid level for peak shaving to reduce cost of the total electricity
… density.A key challenge for aqueous redox flow battery systems is thermal sensitivity. Oper-ating temperature impacts electrolyte viscosity, species solubility, reaction kinetics,and efficiency. Systems that avoid the need for active thermal management whileoperating over a wide temperature …
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IN SITU SPECTROSCOPY INVESTIGATION OF ALKALI METAL INTERACTION MECHANISM WITH ORGANIC SEMICONDUCTOR FOR STABILIZING ALKALI METAL ANODES
… techniques, using organic semiconductor model systems with unique functional groups, which can provide direct evidence without the influence of complex battery systems.
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