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LOW-STRESS INTERCONNECTION OF SOLAR CELLS

机译:太阳能电池的低应力互连

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The suitability of a snap-curable acrylic-based conductive adhesive as a low-stress interconnection for thin solar cells wasstudied. Modules were manufactured using the conductive adhesive with industrial thin crystalline silicon solar cells. Thebest results were obtained for an adhesive with a high silver filler content. The adhesive resulted in a similar peel strength toa soldered interconnection. Although the contact resistance of the adhesive is much higher than for solder, it does not affectthe module output power. Degradation in fill factor of only 2 % was measured after 1000 thermal shock cycles while nodegradation was observed at all after 1000 hours damp-heat. Further testing on full-size modules to prove the suitability ofthe conductive adhesive in outdoor use is ongoing. Climate chamber test results of a direct comparison with solderedmodules are presented.
机译:快速固化丙烯酸基导电胶作为薄太阳能电池的低应力互连件的适用性为 研究过。使用具有工业薄晶体硅太阳能电池的导电粘合剂来制造模块。这 对于具有高银填料含量的胶粘剂,可获得最佳结果。该胶粘剂的剥离强度与 焊接互连。尽管粘合剂的接触电阻远高于焊料的接触电阻,但它不会影响 模块输出功率。在1000次热冲击循环后,填充系数仅降低了2%,而没有 湿热1000小时后完全观察到降解。对全尺寸模块进行进一步测试以证明其适用性 室外使用的导电胶正在开发中。气候箱测试结果与焊接直接比较 介绍了模块。

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