This thesis examines the possibility of wider deployment of hydrogen into the transport sector of Slovenia and the impact of its wider use on the required infrastructure and energy needs. In the theoretical part, the basic properties of hydrogen, methods of its production, and possibilities for its storage and transport are presented. Special attention is devoted to water electrolysis. The advantages and limitations of individual technologies, as well as the basic safety aspects of handling hydrogen, are also mentioned. In the practical part, a mathematical model was developed to estimate the hydrogen demand in selected transport sectors in Slovenia. Based on the assumed number of vehicles, the average annual or daily distance travelled, and the specific hydrogen consumption, the total daily and annual hydrogen demand is determined. As a practical example, a hydrogen refuelling station in Stanežiče is analysed. Additionally, the electricity demand for the production of the considered amount of hydrogen by electrolysis is estimated, as well as the consequently required capacity of electrolysers and renewable energy sources. The results of the thesis showed that the widespread use of hydrogen in transport would require significant quantities of hydrogen and adequately developed infrastructure for its production, transport, storage, and distribution. It was also found that the required number of refuelling stations is significantly influenced by their daily capacity. Therefore, for the long-term introduction of hydrogen in Slovenia, in addition to the development of hydrogen infrastructure, it will also be necessary to ensure sufficient quantities of low-carbon or renewable electricity. The thesis thus presents a theoretical approach to estimating the hydrogen and infrastructure requirements and highlights the key factors that need to be considered for its wider introduction in Slovenia.
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