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Abstract Thanks to its features such as being harmless to the environment, not creating noise pollution, and reducing oil dependence, many countries have started promoting the use of fuel cell vehicles (FCVs) and making plans on enhancing their hydrogen infrastructure. One of the main challenges with the FCVs is the selection of an effective hydrogen storage unit. Compressed gas tanks are mostly used as the hydrogen storage in the FCVs produced to date. However, the high amount of energy spent on the compression process and the manufacturing cost of high-safety composite tanks are the main problems to be overcome. Among different storage alternatives, boron compounds, which can be easily hydrolyzed at ambient temperature and pressure to produce hydrogen, are promising hydrogen storage materials. In this study, a 700-bar compressed gas tank and a sodium borohydride (NaBH4)-based hydrogen storage system are compared for a passenger fuel cell vehicle in terms of the range of the vehicle. The energy storage and production system of the FCV were modeled in matlabsimulink® environment coupling the modeling equations of each component after finding the power requirement of the vehicle through vehicle dynamics. Then, the simulations were performed using the speed profile of the New European Drive Cycle (NEDC) and the acceleration requirements. According to the simulation results, the NaBH4-based hydrogen storage system provided a 4.42% more range than the compressed gas tank.
Alpaydın et al. (Fri,) studied this question.