Scientists find way to store the solar energy




US scientists claim to have developed a method for solar cells longer hold their electrical charge. This should make it possible for solar energy easier to store the panels.

The researchers are affiliated with the University of California at Los Angeles and say their idea is based on plants that generate energy by photosynthesis. Their manner works in low-cost, plastic solar cell and ensures that the positive and negative charge are pulled apart. For example, tension persists and energy storage can be ensured. Normally, the positive and negative charges remain only a few milliseconds, separated from each other, which complicates the storage process.

By looking at how plants to do photosynthesis, scientists had ideas about how to separate the charges could be improved. They made a inspired by nature, with a polymer structure which absorbs sunlight-donor and the electron acceptor is then forwarded to one of fullerene, a ball shaped carbon structure of which is also known under the name of buckyball. With the help of the be applied by them designed technology, there could be a structure in which the two components to separate the loads improved. Thus, the generated electric charge should to be retained, for weeks. The results of the study are published in the renowned scientific journal Science.

According to scientists, the structures, the ‘spaghetti’ polymer and the ‘meatballs’ of fullerene, assemble themselves. This also makes the whole more environmentally friendly than conventional techniques. For now, it is a proof of concept: there are no solar panels developed with the technology yet. Once this succeeds solar panels should be able to be much longer to hold their charge than is usual, for example, whereby there is less need for external energy storage.


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