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15%! US Organic Solar Battery Photoelectric Transformation Record

15%! US Organic Solar Battery Photoelectric Transformation RecordAccording to the US Daily Science website, the University of Michigan has shown the organic solar cells of high-conducting efficiency of up to 15%, and the new achievements will further promote more flexible and cheaper solar cells.

The researchers estimate that if the photoelectric conversion efficiency of the organic solar cell can reach 15%, the service cost is only 20 years, and its power generation is only 7 cents per kilowatt. The US Energy Information Agency's data shows that in 2017, the average power generation cost per kilowatt is 10.5 cents per kilowatt.

Organic solar cells have a number of advantages compared to traditional inorganic cells. Silicon-based inorganic solar panels are manufactured in cost, but carbon-based organic solar cells can be built into volumes, which are thin enough to be bent and distorted in buildings or clothing, and can be made into any color, even transparent, Thereby matches the surrounding environment.

However, the photoelectric conversion efficiency of the organic solar cell is relatively low, and it can only be willbid in the wind in the competition with ordinary energy. Research the first author Hui Chau (Transliteration) said:“In the past few years, its photoelectric conversion efficiency has been around 11% to 12%.”

In order to break through, researchers set a number of improvements in design and process. First, they designed a system that combines a special layer to absorb visible light and infrared light. In essence, they stacked two organic solar cells——A light that absorbs wavelengths from 350 nanometers; another near-infrared light having a wavelength up to 950 nm. Cheung said:“The photoelectric conversion efficiency of the battery itself is 10% to 11%. When they are stacked together, the light absorption increases, in addition, we have also used anti-reflective coatings and increased efficiency to 15%.”The team also proved that their new design, material and process manufacturing is more than 95%, which is very important to extend the manufacturing process to industrial grade.

Researchers believe that conversion efficiency can also be further improved. Cheung Interpretation:“The current can be increased by improving light absorption, and minimizing energy loss is reduced, thereby increasing the voltage. The calculation results show that the photoelectric conversion efficiency of such devices can reach 18% in the near future, which helps solar energy becomes a truly ubiquitous clean energy.”  Recommend: LiFePO4 Battery Manufacturer Energy storage battery Manufacturer Integrated machine energy storage battery series Manufacturer Lead lithium battery Manufacturer Outdoor Backup Battery Manufacturer Portable outdoor power supply Manufacturer Power battery Manufacturer Powerwall LiFePO4 Battery Manufacturer Battery rack Manufacturers Telecom LiFePO4 Battery Manufacturer Wall mounted battery storage Manufacturer China Lifepo4 Battery