Just a college-going lass with way too many interests and ideas and her head thoroughly planted in the clouds.
MIT’s artificial leaf is ten times more efficient than the real thing
The device is an advanced solar cell, no bigger than a typical playing card, which is left floating in a pool of water. Then, much like a natural leaf, it uses sunlight to split the water into its two core components, oxygen and hydrogen, which are stored in a fuel cell to be used when producing electricity.
Nocera’s leaf is stable — operating continuously for at least 45 hours without a drop in activity in preliminary tests — and made of widely available, inexpensive materials — like silicon, electronics and chemical catalysts. It’s also powerful, as much as ten times more efficient at carrying out photosynthesis than a natural leaf.
With a single gallon of water, Nocera says, the chip could produce enough electricity to power a house in a developing country for an entire day. Provide every house on the planet with an artificial leaf and we could satisfy our 14 terrawatt need with just one gallon of water a day.
I, too, welcome our incoming Synthetic future
(Source: , via hajikelist)
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