It is known that the average energy density of sunlight shining on the earth is 1376W / m2, assuming that the energy conversion rate has reached 30%. The average daily electricity consumption of each family of three in the city is 3kW · h, and the average solar time is 4h, so it only needs less than 2 m2 of solar panels to provide sufficient power; the maximum fusing current of home circuits is generally around 20A , The maximum instantaneous power is 4400W, it only takes about 10 m2 of solar panels to achieve this instantaneous power.
While solar energy provides sufficient power for human production and life, people also hope that it can help the Internet of Things. If solar power can be used in various sensors or small devices, such as charging mobile phones or powering smart home appliances, perhaps we will no longer have to worry about the problem of dead batteries and the cost of replacing batteries.
Before developing indoor solar energy, it is necessary to consider the differences between the outdoor and indoor environments and spectrum. It is understood that the indoor visible light wavelength reaches 380 nm to 780 nm. If the common silicon crystal solar panels on the market are moved indoors or in low-light environments, their conversion efficiency is often poor, so it is necessary to analyze the external quantum efficiency of the material To find the most suitable solar material.
The research found that in indoor or low-light environments, organic solar cells will be the best choice. Organic solar cells that use organic polymer materials as the photosensitive active layer have many excellent characteristics that inorganic solar cell technology does not have, such as material structure diversity, large-area low-cost printing preparation, flexibility, translucency and even transparency. In addition to being a normal power generation device, it also has huge application potential in other fields such as energy-saving building integration and wearable devices. The many advantages of organic solar cells have aroused great attention in academia and industry.
In recent years, the research of organic solar cells has achieved rapid development, and the photoelectric conversion efficiency has been constantly refreshed, from 5% to more than 10%, from 14% to 17% ... but currently restricts the development of organic solar cells. " The "bottleneck" is still the low photoelectric conversion efficiency. Therefore, continuous improvement of the photoelectric conversion efficiency is the primary goal of organic solar cell research and the key to its industrialization. The preparation of solution-processable active materials with high efficiency, low cost, and good reproducibility is the basis for improving the photoelectric conversion efficiency.
Recently, the Energy Technology and Nanomaterials Innovation Laboratory (CEA-Liten) of the French Atomic Energy and Alternative Energy Agency ’s Science and Technology Research Department and Japan ’s Toyobo have jointly developed a new organic solar cell made of special solar materials The conversion efficiency is as high as 25% in a darkroom, and it has great potential for power generation in an indoor environment.
Due to the variety of manufacturing materials for organic solar energy, the manufacturing process is also based on low-cost, low-energy coating or printing, and can be made into flexible or transparent modules according to different manufacturing processes. According to reports, this special solar material can be dissolved in halogen-free solvents. So the researchers can evenly apply the material to the substrate. At the same time, they also further optimized the solvent and coating technology. In addition to successfully manufacturing small batteries from glass substrates, they also used the common plastic polyethylene terephthalate as a substrate to produce 18 square centimeters of organic Solar panels.
It is said that the module can produce 130 milliwatts of power under an illumination of approximately 220 lux in the dark room. Compared with the ordinary amorphous silicon solar energy conversion efficiency of 16%, the new organic solar energy conversion efficiency (25%) is higher Is 60% higher. Therefore, the researchers said that the material will be provided to solar cell manufacturers, and hope to achieve commercial application within 3 years.
At present, the scientific community generally believes that organic solar cells have reached the "eve of dawn" of commercialization. How much room and how to improve the photoelectric conversion efficiency of organic solar cells, this requires scientists from various countries to continue to explore and study.
Automatic Sliding Doors can either be a single door sliding in one direction or bi-parting doors where each door leaf slides in the opposite direction. They are often used in grocery stores, entrances to shopping malls, hospitals and other applications where you want to provide your customers a hands free, safe and easy access to your building.
Hospitals
Airports
Retail centers
Pharmacies
Hotels
Grocery stores
Hardware stores
Sporting goods stores
And more
In addition, one of the biggest benefits of automatic doors is energy savings. Since these doors only open when someone comes in or out of your building, it prevents the loss of energy when a door may otherwise be left open for a long time.
Hongfa will only dispatch highly trained CE Certified inspector/technicians to inspect, repair, service or replace automatic doors. This ensures we provide the most efficient and safest door repair for your business.
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Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.highspeedshutterdoor.com