Meeting the world's future energy demand is going to need the sun, according to Nocera, and that's only going to happen if we can store that energy for use when it's not shining. This makes sense; plants evolved to make use of high-energy chemical bonds, and the oil, gas, and coal we currently use is just stored sunshine (via plants), albeit concentrated. Hydrogen is the only viable answer compared to batteries, capacitors, or mechanical storage schemes such as pumped water or compressed air once you look at energy density, he explained, and the work from his lab might help make that possible.
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Veranderd door Klintersaas, 18 februari 2009 - 12:56