3D texture solar experimental test of the International Space Station

According to foreign media reports, a 3D texture solar cell experiment testing the International Space Station, International Space Station 16 times daily "Sunrise" and therefore be able to fully receive solar rays. This proposal by Bourgeois School of Materials Science Professor Zhu De - Reddy, to study 3D texture performance of the solar cells in the space environment. , Space Science Research Center (CASIS) has accepted this experimental program, this new type of solar cell, is made of carbon nanotubes, the outer cover layer of light absorbing material, will be sent to the International Space Station next year.

Reddy said the scientists "evolutionary development" an ultra-efficient solar cells, can be connected via the USB port. Over the years the International Space Station as a scientist, academic experts as well as students of the orbiting laboratory, inside the space station to carry out some experiments. The installation of solar grid tie inverter is one of the first experiments conducted by the outside of the station, will completion of the Nanoracks external platform.

International Space Station requires 1.5 hours a week around the Earth, the solar panels can be accepted from any direction and angle of the sunlight, so that Reddy and the research team was able to quickly test the effectiveness of the structure of multi-functional duplex configuration. The research team will test this solar battery, which is covered with a layer of copper and zinc - tin sulfur film material based on this 3D structure, when the sunlight on the battery, the deeper reach the internal structure, rather than the traditional flat battery reflecting the sun's rays.

Recently, JA successfully overcome the problem of the solar technology industry, polycrystalline photoelectric conversion rate increased to 17.8% of the world-class level, promoting China's "charge controller Roofs Plan" significant. In the field of solar cells, photoelectric conversion rate is an extremely important technical indicators. At present, the domestic photovoltaic enterprises similar solar photoelectric conversion rate of between 17.1 to 17.3%. The key to determine the photoelectric conversion rate of the battery plate light extraction capability.

After several tests, JA researchers on a flat surface of the membrane with a chemical solution to etch suede increase the optical path to reduce the reflection of light. After a wet etching process transformation, JA comprehensive cost reduction by 2%. In use, a high photoelectric conversion rate can be issued in a limited area of ​​the roof on the more electricity. Currently, the industry average of 60 battery pack is generally about 245 watts of power. Process improvements, JA each battery pack 10-watt high power than similar products.