Analysis of the thermal stress and warpage induced by soldering in monocrystalline silicon cells

Chi Ming Lai, Chi Hung Su, Keh Moh Lin

研究成果: Article同行評審

8 引文 斯高帕斯(Scopus)

摘要

Silicon-based solar applications have tended toward the use of large, thin cells. However, an increased loss of materials occurs due to a high rate of destruction during the soldering and packaging processes. This study adopted various material parameters as variables and used the finite element method (FEM) to analyze the thermal stress and warpage induced by the temperature changes of the soldering process. The results demonstrate that hot-air (for soldering) temperature changes do not affect the cell warpage significantly. The significant factors affecting cell warpage include cell thickness, soldering rod thickness, and soldering rod width. The residual stress on the cell is localized at the junction edge between the soldering rods and cell and is broadly aligned with the typical locations of cell damage after the soldering process. The main parameters affecting the residual thermal stress of the cell are the temperature of the hot-air, cell thickness, soldering rod thickness, and soldering rod width.

原文English
頁(從 - 到)7-16
頁數10
期刊Applied Thermal Engineering
55
發行號1-2
DOIs
出版狀態Published - 2013 四月 8

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Industrial and Manufacturing Engineering

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