The car of the future could be powered by small ‘ping-pong balls’ filled with hydrogen gas, if an experimental project in Sweden takes off commercially and reduces the world’s dependence on fossil fuel transport.
According to a report by Fuel Cell Today, this is the vision of a green future from astronautics professor and inventor Lars Stenmark, of the department of materials science, Angstrom Laboratory, at Uppsala University.
By storing hydrogen gas in small balls, Stenmark hopes to overcome the risk of fires and explosions.
Explaining the merits of the proposed technology under development, Stenmark said, $quot;By storing the gas in round, spherical form, it can withstand twice the pressure that a cylindrical form can. If the car crashes and the tank breaks, the hydrogen-filled balls would just spread out and roll away, and the gas from any broken balls would simply seep out and disappear into the atmosphere without causing harm.”
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