Here’s how the urine-powered generator works, as explained by the blog on the makerfaireafrica.com website:
The big drawback is that hydrogen poses an explosion risk. But the girls used one-way valves throughout the device as a safety measure.
The idea of using urine as fuel is not entirely new. The girls have come up with a practical way to put the idea into action, though. Their method for using urine to power a generator is one the average household can appreciate.
Power generators are used far more often in Africa than here, where they are relegated more to emergency use, as in the aftermath of Hurricane Sandy. The Maker Faire Africa blog says power outages happen multiple times a day in Lagos, so all those who can afford a backup generator have one.
But perhaps the girls’ idea can be applied beyond just power generators.
Gasoline-powered internal combustion engines can be converted relatively easily to run on hydrogen, which raises the question of whether there is potential for pee-powered cars in the future.
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