Honda R&D is developing a regenerative fuel cell system that uses hydrogen produced in space to generate electricity, providing a sustainable source of power and breathable oxygen for future space missions.
In collaboration with Sierra Space and Tec-Masters, Honda will test its high-differential pressure water electrolysis system aboard the International Space Station (ISS), using solar-powered electricity to generate hydrogen and oxygen.
These gases will then be fed into a regenerative fuel cell to produce electricity, with water as the only byproduct. The water is recycled back into the electrolysis system, creating a closed-loop energy cycle.
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