Flexible plastic backsheets and strip panels open the door to new applications for integrated photovoltaic products. However, up until now, the photoelectric conversion efficiency of the integrated photovoltaic products has only half the traditional process of crystalline silicon solar cells. Recently Harry Atwater, a professor of physics at Caltech, and his team developed a new way to make batteries that requires little silicon. The demand for new technology for silicon material is only 1% to 2% "Our technology requires only 1/50 to 1/100 of the traditional process for silicon," says the technology. "This technology is based on a uniform arrangement of a number of tubular silicon substrates for light absorption and optical electronic collection of traditional batteries is not much difference. " The smoothed silicon lines are stacked on the substrate and appear as a brush under the microscope. Because the traditional battery is based on expensive high-purity silicon material, so this design is still of high economic value. What does this mean? Manufacturing performance is just 1% to 2% less than that of integrated photovoltaic products. Due to the fact that silicon accounts for more than two-thirds of the cost of conventional crystalline silicon cells, this technology shows tremendous market potential for material savings. Enhance light scattering control to improve conversion efficiency Silicon material is the basis of photoelectric conversion, and you may think that the use of less silicon will affect the conversion power, not really what you think, Atwater said the technology also has good photoelectric conversion. "The light enters the material in the form of a tube, one part is absorbed directly and the other part enters the tube from the tube-like opening and is mostly absorbed by the pipeline after numerous reflections, which enhances the absorption of the entire incident light," Atwater said. "The fact On the absorption of light has played a very good role in strengthening, for a single wavelength even 20 to 50 times the upgrade. " More full of flexibility Atwater and his colleagues have tried prototypes of this idea, looking down from the top of the battery and our common battery there is a big difference. We make a process by growing a tube on a substrate and then stripping it out of a flexible backsheet that has the same optical and electrical properties as a silicon material but with better mechanical toughness and strength. This flexibility opens the door to new applications, as Atwater calls "integrated photovoltaic technology." For example, the battery can be built directly on the roof, saving installation costs. One of the important things that is important about the flexibility of sheets is that they can be bent. You can imagine that they can be mounted on top of any shape, such as the roof of a car, the roof, or any non-planar surface. Caltech professors say he is optimistic about the commercialization of this technology because the technology is based on improvements in traditional technologies and does not require major moves. He also said it will help to significantly reduce the cost of photovoltaic power generation. Solar power is most advantageous because sunlight can be received anywhere in the world, whether it is northern Europe with thick clouds, sunny North-Central Africa, or Australia and South Asia. This is the fundamental reason why solar energy can reach the world. Wood Pellet Mill,Wood Pellet for Sale,Wood Pellet Press for Sale Yugong Machinery Manufacturing Factory , http://www.gybiomassmachine.com
"Integrated photovoltaic technology" new future of crystalline silicon solar cells?
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