Successful development of solar cells with over 40% efficiency
Series Steel Structure Industrial Cooling Tower Tower structure: all steel structure, tower skeleton, cloth water system, climbing ladders, guardrails are Q235-B material, anti-corrosion using hot-dip galvanizing, surround panel for glass Glass steel.
gearboxes: YE2 series outdoor energy-efficient energy-saving motors, protection class IP55, insulation class F-class.
Filler: modified PVC raw material thin belly filler, high temperature, aging, flame retardant, bonding into a block strength.
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Conventional solar cells that are currently used, such as those used in homes or buildings, use only the natural light intensity of the sun, and are therefore relatively narrow in terms of optimal wavelengths for light energy utilization. The Spectrolab team used a multi-node aggregator battery, which can use a light source equivalent to 100 suns through a lens or the like. Moreover, multi-junction cells can utilize a wider range of wavelengths in sunlight and are therefore more efficient than single junction cells.
In the specific design, the scientists used three band gap substructures to decompose the broad spectrum of sunlight into three parts. Each of the substructures can capture different wavelengths of sunlight, which ensures that each substructure can effectively convert light into electrical energy. As a result, the conversion efficiency measured by the team was 40.7%, which exceeded the theoretical conversion efficiency limit of 40% for single-junction cells, the main reason being their multi-node structure.
Spectrolab's main mission is to apply PV cells and panels to the aerospace industry (most of the solar cells they manufacture today are used on satellites), but the company believes this breakthrough is also expected to be used in commercial solar cells.
The study was supported by the US Department of Energy's Renewable Energy Laboratory and will play an important role in the government's next steps. The United States plans to achieve solar energy in 2015 that can be compared to conventional generators. Scientists predict that batteries with more than three knots can theoretically be as efficient as 58%.
Windpipe: kinetic energy recovery type, air flow organization is reasonable, high efficiency;
Fan: Wing-type adjustable cooling tower dedicated shaft fan, blades are aluminum alloy or glass steel.Motors,
The fan system tower is equipped with motors, gearboxes, fan access platforms and passageways, and there are climbing ladders and guardrails outside the tower.
Pool: This tower's pool and foundation, pre-buried steel plate, etc. by the user is responsible for, the water level should be controlled at -0.25-0.3m as well.
Applied to petroleum, chemical, metallurgy, medicine, electricity and other industrial large water circulation system.