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Three‐dimensional multi‐ribbon interconnection for back‐contact solar cells
Progress in Photovoltaics ( IF 8.0 ) Pub Date : 2021-01-18 , DOI: 10.1002/pip.3390 Rik Van Dyck 1, 2 , Tom Borgers 2 , Jonathan Govaerts 2 , Jef Poortmans 1, 2, 3 , Aart Willem Vuure 1
Progress in Photovoltaics ( IF 8.0 ) Pub Date : 2021-01-18 , DOI: 10.1002/pip.3390 Rik Van Dyck 1, 2 , Tom Borgers 2 , Jonathan Govaerts 2 , Jef Poortmans 1, 2, 3 , Aart Willem Vuure 1
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Back‐contact solar cells are an interesting technology with advantages over traditional two‐sided cells. A lack of standardized and low‐cost interconnection methods inhibits their market penetration. In an attempt to overcome this obstacle, this work introduces an interconnection technology, based on a fabric of encapsulant with incorporated metal ribbons. The encapsulant is tailored for this application by adding glass fibres to a thermoplastic polyolefin. For this tailored encapsulant, characterization experiments were conducted and results on viscosity and coefficient of thermal expansion are shown. Initial reliability testing on sample‐size modules with high‐efficiency interdigitated back‐contact (IBC) cells shows promising results, passing up to four times the IEC 61215 standard for thermal cycling.
中文翻译：
背接触式太阳能电池的三维多带互连
背接触式太阳能电池是一项有趣的技术，它比传统的双面电池更具优势。缺乏标准化和低成本的互连方法会阻碍其市场渗透。为了克服这一障碍，这项工作引入了一种互连技术，该技术基于具有掺入的金属带的密封剂织物。通过将玻璃纤维添加到热塑性聚烯烃中，可为这种应用量身定制密封剂。对于这种定制的密封剂，进行了表征实验，并显示了粘度和热膨胀系数的结果。带有高效率叉指背接触式（IBC）电池的样品量模块的初始可靠性测试显示出令人鼓舞的结果，其热循环的IEC最高可达IEC 61215标准的四倍。
更新日期：2021-01-18
中文翻译：
背接触式太阳能电池的三维多带互连
背接触式太阳能电池是一项有趣的技术，它比传统的双面电池更具优势。缺乏标准化和低成本的互连方法会阻碍其市场渗透。为了克服这一障碍，这项工作引入了一种互连技术，该技术基于具有掺入的金属带的密封剂织物。通过将玻璃纤维添加到热塑性聚烯烃中，可为这种应用量身定制密封剂。对于这种定制的密封剂，进行了表征实验，并显示了粘度和热膨胀系数的结果。带有高效率叉指背接触式（IBC）电池的样品量模块的初始可靠性测试显示出令人鼓舞的结果，其热循环的IEC最高可达IEC 61215标准的四倍。
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