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Quasi-simultaneous laser soldering for the interconnection of back-contact solar cells with composite foils

机译：准同时激光焊接，用于背接触式太阳能电池与复合箔的互连

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In this contribution we evaluate laser scanning approaches for the interconnection of the 31 electrical contacts of a MWT back-contact solar cell. The selective energy deposition with a laser system allows the minimization of thermo-mechanical stress in the wafer, but requires adapted scanning strategies to prevent damages in the solar cell top layer. The laser scanning process of the MWT solar cell is conducted in combination with a composite foil as an interconnector and a pre-dispensed solder paste. This approach is evaluated regarding the joining quality of the interconnection as a function of the scanning strategy.

机译：在这一贡献中，我们评估了用于MWT背接触式太阳能电池的31个电触点互连的激光扫描方法。用激光系统进行的选择性能量沉积可以使晶片中的热机械应力最小化，但是需要采用适当的扫描策略来防止太阳能电池顶层的损坏。 MWT太阳能电池的激光扫描过程与作为互连器的复合箔和预分配的焊膏结合进行。根据互连策略的连接质量对扫描策略进行评估。

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来源
《Laser-based micro- and nanoprocessing VIII》|2014年|89680V.1-89680V.11|共11页
会议地点 San Francisco CA(US)
作者
Simon W. Britten; Rumitha Seva Bala Sundaram; Alexander Olowinsky; Arnold Gillner;
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作者单位

Fraunhofer Institute for Laser Technology (ILT) Steinbachstrasse 15, 52074 Aachen, Germany;

Fraunhofer Institute for Laser Technology (ILT) Steinbachstrasse 15, 52074 Aachen, Germany;

Fraunhofer Institute for Laser Technology (ILT) Steinbachstrasse 15, 52074 Aachen, Germany;

Fraunhofer Institute for Laser Technology (ILT) Steinbachstrasse 15, 52074 Aachen, Germany;

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正文语种 eng
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关键词
back-contact solar cell; laser soldering; scanning methods; back contact foil;

机译：背接触式太阳能电池；激光焊接扫描方法；背面接触箔;

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1. All-screen-printed back-contact back-junction silicon solar cells with aluminum-alloyed emitter and demonstration of interconnection of point-shaped metalized contacts [J] . Woehl Robert, Ruediger Marc, Biro Daniel, Progress in photovoltaics . 2015,第2期

机译：带铝发射极的全丝网印刷背接触背结硅太阳能电池以及点形金属化接点互连的演示
2. Comparative Study of Different Back-Contact Designs for High-Efficiency CIGS Solar Cells on Stainless Steel Foils [J] . Blosch P., Chirila A. A., Pianezzi F. F., Photovoltaics, IEEE Journal of . 2011,第99期

机译：不锈钢箔上高效CIGS太阳能电池不同背面接触设计的比较研究
3. Comparative Study of Different Back-Contact Designs for High-Efficiency CIGS Solar Cells on Stainless Steel Foils [J] . Blösch P., Chirilă A. A., Pianezzi F. F., Photovoltaics, IEEE Journal of . 2011,第2期

机译：不锈钢箔上高效CIGS太阳能电池不同背面接触设计的比较研究
4. Novel Foil Interconnects for Back-Contact Silicon Solar Cells [C] . Kathryn Fisher, Xiaodong Meng, Barry Hartweg, IEEE Photovoltaic Specialists Conference . 2019

机译：用于背接触式硅太阳能电池的新型箔互连
5. Optimization of Nanocomposite Solar Cell/Liquid Crystal Matrix to Diminish High Intensity Laser Light Relevant to Aviation Safety Applications [D] . Hofmann, James A. 2017

机译：纳米复合太阳能电池/液晶矩阵优化，减少与航空安全应用相关的高强度激光
6. Cu6Sn5 Whiskers Precipitated in Sn3.0Ag0.5Cu/Cu Interconnection in Concentrator Silicon Solar Cells Solder Layer [O] . Liang Zhang, Zhi-quan Liu, Fan Yang, 2017

机译：聚光硅太阳能电池焊料层中Sn3.0Ag0.5Cu / Cu互连中析出的Cu6Sn5晶须
7. Lead-free solders for ribbon interconnection of crystalline silicon PERC solar cells with infrared soldering [O] . Torsten Geipel, Dirk Eberlein, Achim Kraft 2019

机译：用于带红外焊接的晶体硅PERC太阳能电池的无铅焊料

Quasi-simultaneous laser soldering for the interconnection of back-contact solar cells with composite foils

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