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Tuesday, June 10, 2014

Electricity of water photosynthesis

The chemists develop electrical energy from the photosynthesis of water. "Photosynthesis water" because the idea of ​​birth photosynthesis of plants, but this time the results are electric. They are chemists from the Massachusetts Institute of Technology (MIT), United States: Daniel Nocera and Matthew Right.

Nocera uses solar energy to split water into hydrogen and oxygen gas. Then oxygen and hydrogen will drive a fuel cell generator, into electrical energy.

Splitting of water into hydrogen and oxygen accelerated with a catalyst consisting of cobalt metal, phosphate and an electrode placed in the water. When the electrode is electrified (can be from solar panels or windmills) cobalt and phosphate form a thin film on the electrode layer, then collected into oxygen.

Combination with other catalysts, namely platinum, will generate hydrogen from water earlier. The catalyst works at room temperature, the pH of normal water, so the easier it is implemented.

With electricity from solar panels as high as 6 meters, catalyzed Nocera claims to split water into oxygen and hydrogen is less than four hours. Both are supplied to the fuel cell generator which generates electrical energy of photosynthesis water is about 30 kWh, or enough for one house. The obstacles now is how to mass produce these products alone. This breakthrough looks promising in the future. *** [EKA | FROM VARIOUS SOURCES | THE ATLANTIC]
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