High-performance solar battery module

A solar cell, high-performance technology, applied in electrical components, circuits, photovoltaic power generation, etc., can solve problems such as affecting the elongation of EVA, and achieve the effect of solving heat dissipation, ensuring efficiency, and avoiding the decrease of insulation resistance

Inactive Publication Date: 2015-05-27
WUXI DEMING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, adding thermally conductive materials to EVA will affect the EVA stretch, water resistance, and insulation strength.

Method used

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  • High-performance solar battery module

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Embodiment Construction

[0011] figure 1 As shown, it involves a high-performance solar cell module, including an ultra-clear glass layer 1 arranged on the first layer, a high-permeability EVA film layer 2 arranged on the second layer, and a cell sheet layer 3 arranged on the third layer, The low thermal conductivity EVA film layer 4 is arranged on the fourth layer, and the thermal conductivity backplane layer 5 is arranged on the fifth layer.

[0012] Wherein, the low thermal conductivity EVA film layer 4 is composed of the following components in mass percentage: EVA 80%, ZnO masterbatch 20%, peroxide crosslinking agent 1.2-1.5%, antiaging agent 1%, and crosslinking agent Synthetic Accelerator 1%.

[0013] During manufacture, the materials of the above-mentioned components are uniformly mixed, and the film is formed by casting or calendering process, and the thickness of the obtained low thermal conductivity EVA film layer 4 is between 0.35-0.4mm. Volume resistivity of the low thermal conductivity...

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Abstract

The invention discloses a high-performance solar battery module. The high-performance solar battery module comprises an ultra clear glass layer arranged in a first layer, a high-transparency EVA coating layer arranged in a second layer, a battery piece layer arranged in a third layer, a low heat conducting EVA coating layer arranged in a fourth layer and a heat conducting backboard layer arranged in a fifth layer. As the low heat conducting EVA coating layer is arranged in a lower layer of the battery piece layer, the original properties of the solar battery module are maintained to avoid decrease of insulation resistance, reduction of water resistance and PID phenomenon; moreover, the heat conducting backboard layer arranged further plays a good heat conducting role.

Description

technical field [0001] The invention relates to a high-performance solar battery module. Background technique [0002] Solar modules generate electricity when exposed to sunlight, and also generate heat. Such an increase in the temperature of the battery panel itself will lead to a decrease in the efficiency of the photoelectric conversion effect. According to data, the photoelectric conversion rate decreases by 0.4% for every 1°C increase in the temperature of the battery panel. At present, the conversion rate of photovoltaic solar energy is between 14% and 18%. Therefore, it is a factor that cannot be ignored to reduce the operating temperature of the battery panel itself, let the temperature of the battery panel be effectively emitted, and ensure the light conversion efficiency. At present, there is an experiment to change the thermal conductivity of EVA under the cell to solve the heat dissipation problem, because the thermal conductivity of 100% EVA film is only 0.32W...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048H01L31/049H01L31/052
CPCY02E10/50H01L31/0481H01L31/052
Inventor 曹伯麟杨玉勤
Owner WUXI DEMING TECH
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