{"id":30661,"date":"2025-01-08T16:01:18","date_gmt":"2025-01-08T08:01:18","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=30661"},"modified":"2025-01-08T16:24:20","modified_gmt":"2025-01-08T08:24:20","slug":"ele7009","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/en\/ele7009\/","title":{"rendered":"What problems are likely to occur during the production of photovoltaic welding ribbons?"},"content":{"rendered":"

existPhotovoltaic welding ribbon<\/a>In the production process, there are indeed some common technical problems, which not only affect the production quality of the welding strip, but also affect the finalPhotovoltaic modules<\/a>The following are common problems in production.<\/p>\n

1. Welding ribbon bending problem<\/strong><\/h3>\n
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  • type<\/strong>: Including sickle bend, S-bend, head deviation, tail deviation and other situations.<\/li>\n
  • Influence<\/strong>: The side bending of the welding ribbon will cause the welding ribbon to be uneven during the string welding process, which may cause the battery cell to be welded.White<\/strong>The phenomenon of whitening not only affects the conductivity of the solder joint, but also may affect the power generation efficiency of the photovoltaic module.<\/li>\n
  • Solutions<\/strong>: During the production process, the curvature of the soldering ribbon needs to be strictly controlled to ensure its flatness during rolling and transportation.<\/li>\n<\/ul>\n

    2. Tinning Problem<\/strong><\/h3>\n
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    • type<\/strong>: Includes bottom layer tin plating, interlayer tin plating and top layer tin plating.<\/li>\n
    • Influence<\/strong>\uff1aUneven soldering can causeHidden crack<\/strong>andSingle point welding<\/strong>Hidden cracks may lead to loose solder joints, affecting the connection stability of the battery cell; while over-soldering may cause overheating of the welding part and damage the material of the battery cell.<\/li>\n
    • Solutions<\/strong>: To ensure that the tin layer is evenly distributed, control the tin coating process and equipment parameters to ensure that the amount of tin in each layer of the solder strip is appropriate.<\/li>\n<\/ul>\n
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