DEVELOPMENT OF METAL HYDRIDE COUPLED PEM FUEL CELL SYSTEM

Date

2025-4-16

Author

Sezgin, Berna

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Hydrogen is a key enabler of sustainable energy systems, offering high energy density and zero-carbon emissions. The transition to sustainable energy systems necessitates efficient hydrogen storage and utilization of hydrogen, particularly for applications where space, weight, and operational constraints are critical. This dissertation explores the integration of metal hydride-based hydrogen storage with PEM fuel cells for underwater applications, focusing on hydrogen absorption/desorption kinetics, thermal management, and system efficiency. A modeling framework is developed to optimize hydrogen absorption and desorption rates, leveraging waste heat from PEM fuel cells for thermal strategy. Through mathematical modeling and system analysis, this research provides a comprehensive understanding of how metal hydride storage can be effectively coupled with PEM fuel cells to improve energy efficiency and operational feasibility in demanding applications. By addressing key technical challenges and proposing an integrated system design, this study contributes to the advancement of hydrogen storage and fuel cell technology for underwater applications. The findings serve as a foundation for future research into advanced materials, experimental validation, and hybrid energy systems to further enhance hydrogen utilization in sustainable energy solutions.

Subject Keywords

Hydrogen Energy, PEM Fuel Cell, Metal Hydride, Hydrogen Storage, Underwater Applications

URI

https://hdl.handle.net/11511/114537

Collections

Graduate School of Natural and Applied Sciences, Thesis