Scientists believe they can use the same material found in pencil
lead to revolutionize the green car industry. They discovered that
graphene may serve as a fuel cell membrane and even allow the harvesting
of hydrogen from air.
The reason the researchers at the University of Manchester got so excited is
that the fuel cells generate electricity from hydrogen. Graphene
is known for its barrier qualities, and does not allow any other
gases, including hydrogen itself, or liquids to pass through it,
which is crucial for the fuel cell technology.
An even more exciting development is the possibility of
‘sieving’ hydrogen from the air in future and using it
to react with oxygen in a fuel cell, which could then produce electricity and
water without leaving a carbon footprint.
“Essentially you pump your fuel from the atmosphere and get
electricity out of this fuel, in principle. Before this paper,
this wouldn’t even be speculation; it would be science fiction.
At least our paper provides a guidance and proof that this kind
of device is possible and doesn’t contradict to any known laws of
nature,” Professor Andre Geim of Manchester University, who
leads the study, said as cited by the Independent.
“We are very excited about this result because it opens a
whole new area of promising applications for graphene in clean
energy harvesting and hydrogen-based technologies,” said
Marcelo Lozada-Hidalgo, co-researcher on the study.
The research has been published in the latest issue of Nature.
Source Article from http://feedproxy.google.com/~r/AscensionEarth2012/~3/xBllDarmwSU/fuel-from-thin-air-graphene.html
Fuel from thin air? Graphene breakthrough may lead to green car revolution
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