The performance indicators of PV soldering tape are all important. The type of copper and its purity determine the conductivity of the material and the maximum flexibility that the soldering tape can achieve. The composition of the flux, its coating thickness and coating composition affect the quality of the solder joint, thus affectingSolar CellsDurability of the board.
Photovoltaic welding ribbonHigh elongation is very important to prevent failure of the solder joints between the bus ribbon and the interconnect bar, which can be caused by elongation/tension due to oscillating temperature changes during the operation of the solar panel. The continuous and sometimes extremely strong temperature oscillations during the service life of the solar panel are put to the test every day during the service life of the solar panel (an average of 25 years).
For mostPhotovoltaic Ribbon ManufacturerFor PV tapes, two parameters are critical: bend and yield strength. Many PV tape manufacturers find it difficult to achieve a high level of tape softness while maintaining straightness. Achieving adequate softness and low curvature can mean the difference between winning and losing a supply contract. As a result, manufacturers must work to improve their rolling, annealing, tinning and material handling techniques to meet ever-increasing product performance specifications.
Therefore, the impact of solar ribbon on the power generated by the module is not only the design material of the ribbon itself, but also the selection of the ribbon, the lamination process and the quality control of the ribbon production. All aspects of the ribbon need to be understood, although the industry may pay more attention to the encapsulation material – the cell.
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