Photovoltaic panel welding ribbon isPhotovoltaic modulesImportant raw materials in the battery welding process.Photovoltaic welding ribbonThe quality will directly affect the current collection efficiency of photovoltaic modules and have a great impact on the power of photovoltaic modules.
The photovoltaic welding tape must be welded firmly during the series connection of the cells to avoid the occurrence of cold welding. When selecting the welding tape, the manufacturer must determine the state of the welding tape to be used according to the characteristics of the selected cell. The general selection standard is to determine the thickness of the welding tape according to the thickness of the cell and the size of the short-circuit current. The width of the welding tape should be consistent with the width of the battery main grid line. The softness of the welding tape generally depends on the thickness of the cell and the welding tools.
Manual welding requires that the state of the soldering ribbon is softer, the softer the state of the soldering ribbon on the soldering iron, the better the contact with the battery after running in, the less stress generated during the welding process, and the lower the breakage rate. However, a soldering ribbon that is too soft will reduce the tensile strength and be easily broken. For the automatic welding process, the soldering ribbon can be slightly harder, which is conducive to the welding machine to straighten the soldering ribbon and press it for welding. A soldering ribbon that is too soft is easy to deform when used on the machine, thereby reducing product output.
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