Abstract:

To demonstrate the feasibility of applying solid-state hydrogen storage in heavy trucks， in this paper a new system is proposed that couples a power system with a thermal management system for heavy trucks based on solid-state hydrogen storage and combined with a heat pump system. The Amesim software is used to model the system， and a study is conducted on the system's feasibility and the matching characteristics of key parameters of each component. The results show that the proposed power coupling system is feasible and effective， and can ensure the stable long-distance operation of heavy trucks. Taking the working condition where the solid-state storage tank can hold 110 kg of hydrogen as an example， the cargo capacity is approximately 36.8 t， and the heavy truck can travel stably for more than 1 100 km. A comparative analysis of the impact of heat pump performance on system efficiency reveals that heat pump performance has a significant effect on the driving range and energy efficiency of heavy trucks. Meanwhile， a comparison of high-pressure hydrogen storage， liquid hydrogen storage， and solid-state hydrogen storage shows that the parameters of solid-state hydrogen storage heavy truck are found to be within a reasonable range. The research results indicate that the application of solid-state hydrogen storage in hydrogen-powered heavy trucks is feasible to a certain extent.

Key words: heavy trucks, solid-state hydrogen storage, dynamical system, thermal management systems, simulation modeling