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A proton exchange membrane (PEM) fuel cell is particularly considered as a prime power supply for a fuel cell-powered unmanned aircraft system (UAS) as it possesses a very high-power density in comparison with other fuel cell types, hence a high potential to be used for high altitude long...
The article presents the concept of a universal space platform with a propulsion system based on water electrolysis. The spacecraft based on the platform is used for an asteroid research mission. The mission task is to extract water from the target asteroid and refuel the spacecraft. The...
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