Analysis of the electrochemical reactions and ions migration for crystalline silicon solar module under high system voltage

Purpose Tabbing and stringing are the critical process for crystalline silicon solar module production. Because of the mismatch of the thermal expansion coefficients between silicon and metal, phenomenon of cell bowing, microcracks formation or cell breakage emerge during the soldering process. The purpose of this paper is to investigate the effect of soldering on crystalline silicon solar cells and module, and reveal soldering law so as to decrease the breakage rates and improve reliability for crystalline silicon solar module. Design/methodology/approach A microscopic model of the soldering process is developed by the study of the crystalline silicon solar cell soldering process in this work. And the defects caused by soldering were analyzed systematically. Findings The defects caused by soldering are analyzed systematically. The optimal soldering conditions are derived for the crystalline silicon solar module. Originality/value The quality criterion of soldering for crystalline silicon solar module is built for the first time. The optimal soldering conditions are derived for the crystalline silicon solar module. This study provides insights into solder interconnection reliability in the photovoltaic (PV) industry.

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Analysis of Power Loss for Crystalline Silicon Solar Module during the Course of Encapsulation

International Journal of Photoenergy ◽

10.1155/2015/251615 ◽

2015 ◽

Vol 2015 ◽

pp. 1-5 ◽

Cited By ~ 8

Author(s):

Hong Yang ◽

He Wang ◽

Dingyue Cao ◽

Dangmin Sun ◽

Xiaobao Ju

Keyword(s):

Output Power ◽

Power Loss ◽

Crystalline Silicon ◽

Maximum Output Power ◽

Total Power ◽

Maximum Output ◽

Solar Module ◽

In Series ◽

Encapsulation Process ◽

First Time

During the course of solar module encapsulation, the output power of crystalline silicon solar module is less than the sum of the maximum output power of the constituents because of power loss. So it is very important to investigate the power loss caused by encapsulation materials and module production process. In this paper, the power loss of crystalline silicon solar module is investigated by experiments systematically for the first time. It is found that the power loss is mainly caused by the resistance of ribbon and mismatch of solar cells; the total power loss is as high as 3.93% for solar module composed of 72 cells (125 mm × 125 mm) connected in series. Analyzing and reducing the power losses are beneficial to optimizing encapsulation process for the solar module. The results presented in this study give out a direction to decreasing power loss and optimizing encapsulation process of crystalline silicon solar module.

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Bandgap-Tuned CuInS2/ZnS Core/Shell Quantum Dots for a Luminescent Downshifting Layer in a Crystalline Silicon Solar Module

ACS Applied Nano Materials ◽

10.1021/acsanm.0c00175 ◽

2020 ◽

Vol 3 (4) ◽

pp. 3417-3426 ◽

Cited By ~ 2

Author(s):

Yuto Nakamura ◽

Yoshiki Iso ◽

Tetsuhiko Isobe

Keyword(s):

Quantum Dots ◽

Crystalline Silicon ◽

Core Shell ◽

Solar Module

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Outdoor Performance Characterization of Multi-Crystalline Silicon Solar Module

Journal of Applied Sciences ◽

10.3923/jas.2012.1953.1959 ◽

2012 ◽

Vol 12 (18) ◽

pp. 1953-1959 ◽

Cited By ~ 3

Author(s):

S. Parthasara ◽

P. Neelamegam ◽

P. Thilakan

Keyword(s):

Crystalline Silicon ◽

Solar Module ◽

Performance Characterization

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Effect of temperature on ideality factor for PERC monofacial crystalline silicon solar module

10.1109/pvsc43889.2021.9518805 ◽

2021 ◽

Author(s):

Qiaoqiao Bai ◽

Chenhui Nan ◽

Liwu Zhou ◽

Yihang Yang ◽

Shengchun Mao ◽

...

Keyword(s):

Ideality Factor ◽

Crystalline Silicon ◽

Effect Of Temperature ◽

Solar Module

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Analysis of the Thermal Stress for Combined Electrode of Soldered Crystalline Silicon Solar Cells under Temperature Field

International Journal of Photoenergy ◽

10.1155/2016/5306925 ◽

2016 ◽

Vol 2016 ◽

pp. 1-7 ◽

Cited By ~ 1

Author(s):

He Wang ◽

Ao Wang ◽

Hong Yang ◽

Dengyuan Song

Keyword(s):

Solar Cells ◽

Thermal Stress ◽

Stress Distribution ◽

Thermal Field ◽

Crystalline Silicon ◽

Silicon Solar Cells ◽

Normal Stress Distribution ◽

Solar Module ◽

Crystalline Silicon Solar Cells ◽

First Time

Based on the theory of material mechanics and thermal stress analysis, the stress distribution of combined electrode for crystalline silicon solar module was studied for the first time. The shear stress and normal stress distribution of soldered structure for crystalline silicon solar cells under the thermal field were discussed. And the results show that the stress distribution is not simply linear relationship as some results found. But there is a stress concentration at the edge, which was considered as the true reason that caused microcracks at the edge of soldered solar cells. The conclusions we got in this paper provide a theoretical basis for deceasing the breakage rates of soldered crystalline silicon solar cells and improving the reliability of crystalline silicon solar modules.

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