Glass is one of the greatest inventions of mankind.
From the window glass that helps us shelter from wind and rain to the important materials in the electronic information field, the glass shines with irreplaceable light.
However, have you ever seen glass that can generate electricity on your own?
Recently, Dr. Hai Jing, the general manager of Chengdu Zhongjian Building Photoelectric Material Co., Ltd. and his team led him to make it a reality:
A piece of “power generation glass†with a weight of 30 pounds and 1.92 square meters can generate nearly 300 degrees of electricity each year. If two or three pieces are used, it can basically meet the needs of a family throughout the year!
Oil field hung on the wall
Power generation glass, also known as cadmium telluride thin film solar cells, is known as "hanging oil on the wall"!
Every time Xiao Bian learned that the production of a 1.6 meters long, 1.2 meters wide power generation glass, only 55 seconds, and its photoelectric conversion efficiency is as high as 17.8%, comparable to ordinary traditional silicon solar panels. Even under low light conditions, electricity can be generated by photoelectric conversion. In other words, the electricity generated by three or four thousand pieces of this glass is equivalent to the amount of electricity that an ordinary oil well can produce in a full year.
On January 17, Yin Xinjian, secretary of the party committee of Chengdu Zhongjian Building Photoelectric Materials Co., Ltd., said in an interview with Rongcheng government (micro-signal: Znaitz) that the process of turning glass from colorless to yellow and then black is to install batteries to generate electricity. . The formation of the battery is due to the plating of the power generation layer. Yin Xinjian explained:
Thin-film low-light-generating glass products are coated with cadmium telluride photovoltaic materials on ordinary glass, so that ordinary glass from the insulator into a conductive conductor, and then become a building material that can generate electricity, to achieve the organic combination of glass and materials. The power generation layer of each power generation glass is laser etched to form 214 small batteries in series, that is, the white lines visible on the black glass. The two pieces of glass are united to each other, collecting electricity through the junction box of the back electrode, and they can generate electricity, and can be used directly after being introduced into the inverter.
Previously, the world’s largest monolithic cadmium telluride thin film power generation glass was 0.72 square meters and has not been able to achieve a breakthrough. It is very difficult to apply a 4 micron thick cadmium telluride film equal to 1% of the thickness of the hair to the glass evenly and uninterruptedly.
According to the Sichuan Daily report, Pan Jingong used more than six years to promote a supply change in the traditional glass industry: breaking the monopoly of foreign giants, turning flat glass from building materials into functional materials that can generate electricity and filter light, and building exterior walls. Become a "power station."
Gu Zhen'an, a member of the Chinese Academy of Engineering, commented that this has laid a foundation for China's upgrading from a glass building construction country to a powerful electronic glass country and a semiconductor materials powerhouse.
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