High temperature adhesive tape has the following advantages in the field of solar energy and new energy:
First, the high temperature resistance.
Adapt to the production process temperature
In the production process of solar cells, high-temperature processes such as diffusion and sintering are involved. For example, in the diffusion process, the temperature can usually reach about 800-1000℃. High-temperature adhesive tape can withstand such high-temperature environment, which can effectively protect the edge of the battery and other parts that need to be shielded, and prevent it from being polluted by impurities or damaged by high temperature.
In the sintering process, the temperature is also between 500-800℃, and the high-temperature adhesive tape can be firmly attached to the corresponding parts to maintain its shielding and protection functions, so as to ensure that the battery can still maintain good performance after high-temperature sintering.
long term stability
Solar energy equipment usually needs to work outdoors for a long time and will be affected by long-term illumination and temperature changes. High temperature adhesive tape can maintain long-term stable physical and chemical properties in high temperature environment. It will not cause problems such as tape aging, viscosity loss or material decomposition due to long-term high temperature exposure. For example, some high-quality high-temperature adhesive tapes can still maintain good sealing and fixing effect even after years of outdoor high-temperature environment test during the use of solar photovoltaic modules.
Second, the viscosity and sealing performance
Good adhesiveness
High temperature adhesive tape has good adhesion to different materials in solar panels, such as glass, silicon wafer and metal frame. When assembling the solar photovoltaic module, it is necessary to stick various components together closely, and the high-temperature adhesive tape can ensure that the battery piece is firmly combined with the back plate, frame and other components. For example, the high-temperature adhesive tape can provide enough adhesive force when the battery piece is attached to the back plate, so that the battery piece will not shift during transportation, installation and long-term use, and the normal operation and photoelectric conversion efficiency of the battery piece are guaranteed.
Excellent sealing performance
Solar photovoltaic modules need to be well sealed to prevent the invasion of external factors such as moisture and dust. High temperature adhesive tape can form an effective seal at the junction of different materials. For example, at the joint between the battery piece and the frame, high-temperature adhesive tape can fill tiny gaps and prevent moisture from entering the assembly. The invasion of moisture may lead to problems such as corrosion and short circuit of solar cells, and the sealing effect of high temperature adhesive tape can greatly improve the service life and reliability of solar photovoltaic modules.
Third, the electrical insulation performance
Ensure electrical safety
In solar panels, it is necessary to maintain good electrical insulation between cells and between cells and other metal parts. High temperature adhesive tape has excellent electrical insulation performance and high insulation resistance. For example, in the process of series and parallel connection of battery cells, high-temperature adhesive tape can be wrapped around the connection parts to prevent short circuit between battery cells. This is very important to ensure the normal power generation and safe operation of solar panels.
Arc resistance
When the solar photovoltaic module is under some special circumstances (such as lightning strike, partial discharge, etc.), it may produce arc. The high-temperature adhesive tape can withstand a certain degree of arc impact, and the adhesive tape will not be damaged or the insulation performance will be reduced due to the generation of arc. This makes it play an important role in ensuring the electrical stability of solar power generation system.
Fourth, chemical corrosion resistance
Resist chemical erosion
In the production and use of solar cells, some chemicals will be exposed, such as acidic or alkaline cleaning agents used in the cleaning process of solar cells. High temperature adhesive tape can resist the corrosion of these chemicals. For example, when the surface of the battery is chemically etched, the high-temperature adhesive tape stuck around it can prevent the etching solution from corroding the parts that do not need to be etched, and ensure the accuracy and performance of the battery.
Moreover, in the outdoor environment, solar photovoltaic modules may be corroded by chemical substances such as acid rain. High temperature adhesive tape can protect the components inside the module and reduce the influence of chemical corrosion on the performance of the module.