Hydrogen and Solar energy

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Hydrogen and Solar energy

Post by Admin on Wed Oct 22 2008, 03:45

breakthroughs on Hydrogen and Solar energy


Last edited by Admin on Fri Oct 24 2008, 04:32; edited 3 times in total

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Scientists mimic essence of plants energy storage system

Post by Admin on Wed Oct 22 2008, 03:49

'Major discovery' from MIT primed to unleash solar revolution
Scientists mimic essence of plants' energy storage system

Until now, solar power has been a daytime-only energy source, because storing extra solar energy for later use is prohibitively expensive and grossly inefficient. With today's announcement, MIT researchers have hit upon a simple, inexpensive, highly efficient process for storing solar energy.

Requiring nothing but abundant, non-toxic natural materials, this discovery could unlock the most potent, carbon-free energy source of all: the sun. "This is the nirvana of what we've been talking about for years," said MIT's Daniel Nocera, the Henry Dreyfus Professor of Energy at MIT and senior author of a paper describing the work in the July 31 issue of Science. "Solar power has always been a limited, far-off solution. Now we can seriously think about solar power as unlimited and soon."

Inspired by the photosynthesis performed by plants, Nocera and Matthew Kanan, a postdoctoral fellow in Nocera's lab, have developed an unprecedented process that will allow the sun's energy to be used to split water into hydrogen and oxygen gases. Later, the oxygen and hydrogen may be recombined inside a fuel cell, creating carbon-free electricity to power your house or your electric car, day or night.


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Solar revolution is comming soon

Post by Admin on Fri Oct 24 2008, 06:05

Tegenlicht: Here comes the sun

Within the decade solar energie will have replaced fosile energy as mayor source. Things are going incrediblty fast.

See this excellent documentary (dutch commentary, but english interviews)

http://www.vpro.nl/programma/tegenlicht/afleveringen/40025880/media/40177219/

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Inflatable Solar Collectors

Post by Admin on Mon Jan 19 2009, 07:53

Inflatable Solar Collectors

CoolEarthSolar.com has a patented idea for inflatable solar collectors that are much cheaper than polished mirrors to concentrate sunlight onto Photovoltaic chips. Their design is 400x cheaper than polished aluminum mirrors, will withstand 130 mph winds, lasts a year, repairs with tape, takes 15 minutes to change out, costs $2 per balloon, or 18 cents per watt, compared to $5 per watt for conventional installations, and has a minimal effect on the ground underneath the array!


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Re: Hydrogen and Solar energy

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