Japanese media reported on the 17th that a research group at Osaka University in Japan has successfully developed a paper solar power generation battery whose manufacturing cost is only one ten-thousandth of that of ordinary solar cells.
It is understood that the paper-made solar cell is a combination of wood pulp, silver wiring, and organic matter. Compared with glass cells, it has the characteristics of bendable folding and superior processability.
Since the wood pulp fiber has a fineness of only one-third that of the conventional material, a transparent paper sheet can be produced using the material, and the organic material having a power generation function and the silver wiring with a conductive function can be printed by a high-temperature printing technology. Printed on a sheet.
It has been verified that the battery can supply electricity to the lamp. Although the efficiency of light conversion is only 3%, which is far lower than the current mature solar power generation technology, the power generation efficiency of the same type of glass panel is basically the same.
According to calculations, the practical production cost of the paper solar cell is one ten-thousandth of that of the glass material and 500 to one-fifth of the plastic material, and the manufacturing method is more energy-saving and environmentally friendly, and it is expected to be practical in several years.
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