Thin as paper: 3D printing helps solar panels
Solar panels are gradually changing the way we get energy, which has been recognized and accepted by more and more people. This is through the absorption of sunlight, solar radiation through the photoelectric effect or photochemical effects directly or indirectly converted into electrical energy. Compared with ordinary batteries and rechargeable batteries, solar cells are more green energy-saving products. Most of the main materials for solar panels are "silicon," but they are so expensive to make that they can not yet be used in a wide variety of ways.
In order to change these conditions, a team of 50 scientists in Australia has been aggressively attempting to use additive manufacturing (AM) technology to optimize the production of solar panels in the past few years to create a new generation of self-powered houses dream. AM technology is a technique of manufacturing solid parts by gradually accumulating materials. Compared with the traditional material removal-cutting technology, AM technology is a "bottom-up" manufacturing method. , The rapid development of AM technology has been achieved in the past two decades. Different methods such as "RapidProto-typing", "3DPrinting" and "Solid Free-form Fabrication" Respectively, from different aspects to express the characteristics of this technology.
Recently, the team developed an organic printable solar panel using AM technology. Although it is only as thick as paper, but the obvious advantages, power supply capacity is not bad at all. Interestingly, the solar panels are glued to the building and can even provide a steady stream of energy for a skyscraper. Through repeated research, researchers improved a 3D printer that uses solar ink to make solar cellboard. Compared with the traditional silicon-based solar panels, this new product is not only thin and light, and the production cost is very low, the use of methods is also as simple as connecting the battery. It can be directly printed on the 3D printing technology in the actual housing location, such as the roof or glass, saving a lot of tedious steps in the manufacture of solar panels.
Based on digital model files, 3D Printing builds objects by layer-by-layer printing using adhesive materials such as powdered metal or plastic. It is actually the latest rapid prototyping unit that uses technologies such as photo-curing and paper laminating, and works in much the same way as regular printing. The printer is equipped with "print material" such as liquid or powder. After connecting with the computer, the "printed materials" layers are superposed by computer control, and finally the blueprint on the computer is turned into a real object.
Currently, researchers have succeeded in reducing the size of each organic solar cell to a coin-only size with the improved solar ink 3D printer. This solar cellboard is inexpensive, looks and works differently than traditional silicon-based solar panels. Scientists are trying to try these small volume of products for small objects Other than large buildings. If this vision can be achieved, then the sweeping global apple tablet surface, laptop backpacks and cell phone housings will not only act as a package, but also become energy collectors, to provide power for these removable devices.
The R & D team hopes that the solar cellboard project will get the support of the government. If it can be promoted on a large scale, it will reduce the dependence on developed countries for traditional energy and at the same time provide a low cost and high efficiency for developing countries in remote areas outside the power grid , A viable source of electricity. Then you do not have to worry about the problem of energy shortage, but also ease the environmental pollution caused by petrochemical energy. Partnerships between the University of Melbourne and Monash University have even begun to consider how this technology can be delivered to the world's most out-of-town remote areas. Researchers hope to gradually realize the commercial manufacture of this new type of power generation device by starting from low energy sources in the near future. According to the plan, solar cellboard will be marketed in the next few years. Believe that with the current pace of development, such a beautiful future will soon come.
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