Double-glass photovoltaic module

Abstract

The invention discloses a double-glass photovoltaic module. The double-glass photovoltaic module comprises an outdoor tempered glass layer, an organic silica gel film, tempered glass, a low-radiation metal film and an indoor tempered glass layer, wherein a glass substrate, a transparent conducting layer, a photoelectric absorption layer and a back electrode layer are arranged from bottom to top in sequence; a sound insulation cavity is arranged between the tempered glass on the insider side and the low-radiation metal film; and the low-radiation metal film is adhered to the inner side of the indoor tempered glass layer. According to the double-glass photovoltaic module, a novel organic silica gel film is introduced, and through the copolymerization modification for polysiloxane molecular chains, the novel organic silicon material has excellent thermoplastic performance, can be processed into films, has good adhesion with glass, and is suitable for assembling the double-glass photovoltaic modules. Multiple performances, such as glass transition temperature and light transmittance, of the novel organic silica gel film are higher that those of a PVB or PVA material packaging material, and the performances are relatively stable after moist heat and thermo-oxidative aging of the novel organic silica gel film.

Description

technical field [0001] The invention belongs to the technical field of photovoltaic solar energy, and in particular relates to a double-glass photovoltaic module. Background technique [0002] Energy is one of the material foundations for the survival and development of human society. Its amount and use directly affect the progress of society. However, today's human society is facing an unprecedented energy crisis. At the same time, due to the excessive exploitation and use of fossil energy, it has caused serious damage to the ecological environment. Renewable energy is the only means for human beings to solve energy and environmental problems, and solar energy is one of the best renewable energy sources in terms of energy efficiency, society, and environment. [0003] At present, with the development of the photovoltaic market, the application is becoming more and more extensive, and the products are gradually developing in a diversified direction, and double-glass photovo...

AI Technical Summary

Problems solved by technology

[0004] The transparent conductive layer of thin-film solar cells is made of semiconductor materials, such as ITO, FTO, AZO, etc. Under the premise of realizing the light transmittance requirements of solar cells, it cannot avoid the existence of resistance caused by its own material factors, making solar cell devices as lateral photoelectric The collection device has low carrier collection efficiency, which has become a bottleneck affecting its photoelectric conversion efficiency

[0005] However, the existing double-glass photovoltaic modules also have poor sound insulation effect, which bothers users and cannot meet the actual application requirements.

Images