A kind of solar battery backplane and its manufacturing method
A technology of solar cells and manufacturing methods, applied in the direction of final product manufacturing, sustainable manufacturing/processing, circuits, etc., can solve problems such as short service life, inability to commercialize solar cell backplanes, and inability to adapt to the use environment
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Embodiment 1
[0024] The solar cell backsheet includes from bottom to top: the bottom inorganic weather-resistant layer, the first polymer weather-resistant layer, the second polymer weather-resistant layer, the first structural reinforcement layer, the second structural reinforcement layer, the third structural reinforcement layer, the Three polymer weather-resistant layers, the fourth polymer weather-resistant layer and the top inorganic weather-resistant layer, wherein, at 150-200°C, the viscosity of the first polymer weather-resistant layer is greater than the viscosity of the second polymer weather-resistant layer, and the second polymer The viscosity of the weather-resistant layer is greater than that of the first structurally enhanced layer, and the viscosity of the first structurally enhanced layer is greater than that of the second structurally enhanced layer. At 150-200°C, the viscosity of the fourth polymer weather-resistant layer is greater than the viscosity of the third polymer...
Embodiment 2
[0026]The solar cell backsheet includes from bottom to top: the bottom inorganic weather-resistant layer, the first polymer weather-resistant layer, the second polymer weather-resistant layer, the first structural reinforcement layer, the second structural reinforcement layer, the third structural reinforcement layer, the Three polymer weather-resistant layers, the fourth polymer weather-resistant layer and the top inorganic weather-resistant layer, wherein, at 150-200°C, the viscosity of the first polymer weather-resistant layer is greater than the viscosity of the second polymer weather-resistant layer, and the second polymer The viscosity of the weather-resistant layer is greater than that of the first structurally enhanced layer, and the viscosity of the first structurally enhanced layer is greater than that of the second structurally enhanced layer. At 150-200°C, the viscosity of the fourth polymer weather-resistant layer is greater than the viscosity of the third polymer ...
Embodiment 3
[0028] The solar cell backsheet includes from bottom to top: the first polymer weather-resistant layer, the second polymer weather-resistant layer, the first structural reinforcement layer, the second structural reinforcement layer, the third structural reinforcement layer, the third polymer weather-resistant layer, Fourth polymer weathering layer. All the other conditions and parameters are the same as in Example 1.
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