New technologies empower the photovoltaic industry! Photoelectric conversion efficiency reaches new highs, and tandem solar cell technology is expected to become a new competitive track.
Published Time：
2023-08-15
(CCTV Finance's 'Prime Time Finance') The 16th International Solar Photovoltaic and Smart Energy Conference is being held in Shanghai. As the world's largest photovoltaic exhibition, this exhibition has attracted more than 3100 domestic and foreign companies to participate.
The solar photovoltaic component shown in the image has a front power exceeding 730W. This is the third time this year that a new record for heterojunction battery power has been set. In recent years, domestic photovoltaic companies have repeatedly achieved new highs in photoelectric conversion efficiency.
Liu Hanyuan, Chairman of the Board of Directors of Tongwei Group: The application of new technologies and the creation and application of new processes have reduced the system cost and the cost per kilowatt-hour of our power generation. Only when their costs are reduced to a competitive level can our energy transition be achieved early under the effective drive of economic forces.
As a third-generation solar cell, perovskite is another focus of this exhibition. This piece of glass is a perovskite solar cell. Simply put, it's a perovskite crystal coated on photovoltaic glass. Compared to crystalline silicon cells, it has fewer production steps, lower cost, and is more environmentally friendly.
Yao Jizhong, co-founder of Hangzhou Xianna Optoelectronics Technology Co., Ltd.: In the actual laboratory, the current photoelectric conversion efficiency can reach close to 26%. On the mass production pilot line, it has already reached close to 22%, or 21.8%. Our products have been used in industrial and commercial rooftops and ground power stations, and grid-connected power generation has been achieved.
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