Scientists in Australia and Japan have invented a solar cell that is thinner than spider webs. This cell is very soft and can even be wrapped around a hair.
This ultra-thin solar cell consists of electrodes embedded in a plastic sheet and is only 1.9 microns thick, which is equivalent to one-tenth of the thinnest solar cell now. This ultra-thin, ultra-light, and ultra-flexible solar cell will have a wide range of uses in the future, including being used in portable electronic charging devices or in manufacturing electronic textiles.
University of Tokyo researcher Tsuyoshi Sekitani said: "The thickness of this device is less than a spider web. Therefore, you may not feel its weight, but its elasticity is very good. When worn on clothes, it can absorb solar energy. Old people who wear sensors that monitor their physical health do not need to bring batteries. "
Since the outbreak of the Fukushima nuclear crisis, many Japanese scientists and consumers have paid increasing attention to solar energy. This new type of solar cell will be put into use within 5 years. Researchers are now increasing their efficiency in converting sunlight into electricity. In addition, they are also trying to increase the size of new solar cells, because the power generation capacity of solar cells is proportional to the size. This battery is very flexible, even if the body size is increased, it will not be damaged by bending.
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