Numerical investigation of Directional Solidification process for improving multi-crystalline silicon ingot quality for photovoltaic applications

Kesavan V; Srinivasan M.; Ramasamy P.

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Numerical investigation of Directional Solidification process for improving multi-crystalline silicon ingot quality for photovoltaic applications

机译：定向凝固工艺在光伏应用中提高多晶硅锭质量的数值研究

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Numerical simulation is used as a comprehensive tool for analysis and optimization of the multi-crystalline silicon (mc-Si) growth by the Directional Solidification (DS) method. We have used a transient global heat transfer model to optimize the temperature profile of the DS process to produce high-quality multi-crystalline silicon ingots for solar cell application. The melt-crystal interface shape, impurities and von Mises stress were studied by the numerical simulation with different temperature profiles. A slightly convex interface shape, lower thermal stress and lower impurities in the me-Si were obtained due to the lower temperature gradient by the optimized temperature profile. Simulation results show that the optimized temperature profile is particularly suitable for high quality me-Si ingot. (C) 2019 Elsevier B.V. All rights reserved.

机译：数值模拟用作通过定向凝固（DS）方法分析和优化多晶硅（mc-Si）生长的综合工具。我们已经使用瞬态全局传热模型来优化DS工艺的温度曲线，以生产用于太阳能电池应用的高质量多晶硅锭。通过不同温度曲线的数值模拟研究了熔体-晶体界面的形状，杂质和冯·米塞斯应力。通过优化的温度曲线，由于较低的温度梯度，在me-Si中获得了略呈凸形的界面形状，较低的热应力和较低的杂质。仿真结果表明，优化的温度曲线特别适用于高质量的Me-Si晶锭。（C）2019 Elsevier B.V.保留所有权利。

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来源
《Materials Letters》 |2019年第15期|180-183|共4页
作者
Kesavan V; Srinivasan M.; Ramasamy P.;
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作者单位

SSN Coll Engn, SSN Res Ctr, Chennai 603110, India;

SSN Coll Engn, SSN Res Ctr, Chennai 603110, India;

SSN Coll Engn, SSN Res Ctr, Chennai 603110, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
Multi-crystalline silicon; Simulation; Heat transfer; Directional Solidification; Thermal stress; Impurities;

机译：多晶硅;模拟;传热;定向凝固;热应力;杂质;

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1. Growth of multi-crystalline silicon ingot by improved directional solidification process based on numerical simulation [J] . Shur J.W., Kang B.K., Moon S.J., Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion . 2011,第12期

机译：基于数值模拟的改进定向凝固工艺生长多晶硅锭
2. Improved seeded directional solidification process for producing high-efficiency multi-crystalline silicon ingots for solar cells [J] . Xiaofang Qi, Qinghua Yu, Wenhan Zhao, Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion . 2014,第Null期

机译：改进的定向晶种凝固工艺，用于生产用于太阳能电池的高效多晶硅锭
3. Numerical study of the influence of different types of magnetic fields on the interface shape in directional solidification of multi-crystalline silicon ingots [J] . C. Tanasie, D. Vizman, J. Friedrich Journal of Crystal Growth . 2011,第1期

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4. Influence of additional heat exchanger block on directional solidification system for growing multi-crystalline silicon ingot - A simulation investigation [C] . S. G. Nagarajan, M. Srinivasan, K. Aravinth, DAE Solid State Physics Symposium . 2018

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5. Numerical modeling of multicrystalline silicon growth in a Directional Solidification system (DSS) [D] . Benson, Adebukola O. 2007

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6. Numerical Simulation and Optimization of Directional Solidification Process of Single Crystal Superalloy Casting [O] . Hang Zhang, Qingyan Xu, Baicheng Liu 2014

机译：单晶高温合金铸件定向凝固过程的数值模拟与优化
7. On the twinning impact on the grain structure formation of multi-crystalline silicon for photovoltaic applications during directional solidification [O] . Riberi-Béridot Tècle, Mangelinck-Noël Nathalie, Tandjaoui Amina, 2015

机译：孪生对定向凝固过程中光伏应用多晶硅晶粒结构形成的影响

Numerical investigation of Directional Solidification process for improving multi-crystalline silicon ingot quality for photovoltaic applications

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