The photovoltaic double-glass module is a new model packaging technology developed after the traditional single-glass module. It consists of two layers of glass, EVA resin and solar cell. The cell is connected by wires and parallel to the lead terminals formed photovoltaic cell assembly.
Under the background of global warming and the depletion of non-renewable energy sources such as fossil energy, the development and utilization of renewable energy represented by wind energy, solar energy and biomass energy has been increasingly valued by the international community. The development of renewable energy has become a world. The consensus is that the development of renewable energy is imperative. Among various renewable energy sources, solar energy has attracted significant attention from the government and industrial capital with its remarkable advantages such as green, clean, safe, inexhaustible and inexhaustible. It has achieved rapid development in the past ten years,Chinathe newly installed capacity of photovoltaic power generation has ranked first in the world for many years. At the same time, the lack of quality of PV modules has gradually emerged. Some PV modules have experienced problems such as PID attenuation, power generation efficiency degradation, snail pattern, cracking, and back plate cracking during the operation and maintenance process, which has attracted the attention of the industry. According to research by relevant institutions in the industry, these problems are mainly related to the limitations of traditional photovoltaic single-glass panels (such as high back-plate permeability, poor resistance to deformation, aluminum frame is easy to cause PID occurrence, etc.), and solve the problem need to be from the based on the product structure design.
Compared with solar single-glass modules, the back of the double-glass panel replaces the plastic backsheets such as TPT, TPE, PET, etc., so it has the service life, power generation efficiency, anti-PID attenuation, crack resistance, water permeability, insulation and fire resistance. It has obvious advantages over ordinary single glass components in terms of anti-ashing, acid and alkali resistance, and is the mainstream direction for the development of photovoltaic modules in the future.