晶体硅太阳电池双层电极优化分析与实验研究

李涛; 周春兰; 刘振刚; 赵雷; 李海玲; 刁宏伟; 王文静

doi:10.7498/aps.61.038802

摘要

相对于单层电极结构,优化的前表面双层电极能够明显减小功率损失,改善晶体硅太阳电池的电学特性．本文对晶体硅太阳电池的双层电极进行了优化分析和实验研究.通过扫描电子显微镜观测将双层电极的截面抽象为更接近于实际的半椭圆型,建立了太阳电池前表面的双层电极模型,理论分析了双层电极的电学损失和光学损失.结合丝网印刷后光诱导电镀太阳电池的实验,得到了理论和实验上的最优化光诱导电镀增厚电极厚度与丝网印刷电极宽度的关系.所得到的理论和实验结果符合良好.由于并不涉及电极制备的具体技术,双层电极理论模型普遍适用于多种类型的双层电极结构.

关键词:

Abstract

Compared with single-layer contact, optimized two-layer contact of front side could diminish power losses distinctly and improve the electrical performance of crystalline silicon solar cell. In this paper, the optimized analysis and experimental study for two-layer contact of crystalline silicon solar cell are carried out. The model of two-layer contact is established by abstracting the cross-section of two-layer contact into semi-elliptical shape closer to the realistic situation according to the SEM observation . The electrical losses and the optical losses of two-layer contact are analyzed in theory. In combination with experimental screen-printed contact thickened by light-induced electroplating solar cell, the relationship between the optimum thickening contact thickness by light-induced electroplating and the screen-printed contact width is achieved in theory and experiment. The corresponding theory and experimental results are in good agreement with each other. Due to involving no concrete technology of contact preparation, the theoretical model of two-layer contact is generally appticable for many types of two-layer contact structurs in consequence.

Keywords:

作者及机构信息

1.
太阳能热利用及光伏系统重点实验室, 中国科学院电工研究所, 北京 100190

基金项目: 中国科学院知识创新工程重要方向项目(批准号: KGCX2-YW-382)和国家高技术研究发展计划(批准号: 2007AA05Z437)资助的课题.

Authors and contacts

1.
The Key Laboratory of Solar Thermal Energy and Photovoltaic System, Institute of Electrical Engineering, CAS, Beijing 100190, China

Funds: Project supported by the Main Direction of Knowledge Innovation Program of the Chinese Academy of Science (Grant No. KGCX2-YW-382), and the National High Technology Research and Development Program of China (Grant No. 2007AA05Z437).

参考文献

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[31]	Liu X D, Xu Z, Zhang F J, Zhao S L, Zhang T H, Gong W, Song J L, Kong C, Yan G, Xu X R 2010 Chin. Phys. B 19 118601

施引文献

[1]	Gu C, Qu S B, Pei Z B, Xu Z, Liu J, Gu W 2011 Chin. Phys. B 20 017801
[2]	Hua Z 2005 Chin. Phys. B 14 2019
[3]	Glunz S, Mette A, Aleman M, Richter P, Filipovic A, Willeke G 2006 Proceedings of the 21st European Photovoltaic Solar Energy Conference Dresden, Germany, 2006 pp8–11
[4]	Mette A, Schetter C, Wissen D, Lust S, Glunz S, Willeke G 2006 Proceedings of the 4th IEEE World Conference on Photovoltaic Energy Conversion Waikoloa, Hawaii, 2006 pp1056–1059
[5]	Pysch D, Mette A, Filipovic A, Glunz S 2009 Prog. Photovolt: Res. Appl. 17 101
[6]	Hyung Lee J, Hyun Lee Y, Yong Ahn J, Jeong J 2010 Sol. Energy Mater. Sol. Cells 95 22
[7]	Erath D, Filipovic A, Retzlaff M, Goetz A K, Clement F, Biro D, Preu R 2010 Sol. Energy Mater. Sol. Cells 94 57
[8]	Lennon A, Utama R, Lenio M, Ho-Baillie A, Kuepper N,Wenham S 2008 Sol. Energy Mater. Sol. Cells 92 1410
[9]	Curtis C, van Hest M, Miedaner A, Kaydanova T, Smith L, Ginley D 2007 Proceedings of the 22nd European Photovoltaic Solar Energy Conference Milan, Italy, pp1039–1394
[10]	Shaheen S, Radspinner R, Peyghambarian N, Jabbour G 2009 Appl. Phys. Lett. 79 2996
[11]	Hörteis M, Mette A, Richter P, Fidorra F, Glunz S 2007 Proceedings of the 22nd European Photovoltaic Solar Energy Conference Milan, Italy, pp1039–1042
[12]	Mette A, Richter P, Hörteis M, Glunz S 2007 Prog. Photovolt: Res. Appl. 15 621
[13]	Hörteis M, Bartsch J, Binder S, Filipovic A, Merkel J, Radtke V, Glunz S 2010 Prog. Photovolt: Res. Appl. 18 240
[14]	Horteis M, Glunz S 2008 Prog. Photovolt: Res. Appl. 16 555
[15]	Hyung Lee J, Hyun Lee Y, Yong Ahn J, Jeong J W 2011 Sol. Energy Mater. Sol. Cells 95 22
[16]	Guo H, Zhang Y M, Zhang Y M 2006 Chin. Phys. 15 2142
[17]	Wand Y Y, Guo H, Wang Y H, Zhang Y M, Qiao D Y, Zhang Y M 2009 Chin. Phys. B 18 4470
[18]	Zhang L Z, Zhang Y M, Zhang Y M, Han C, Ma Y J 2009 Chin. Phys. B 18 3490
[19]	Guo H, Zhang Y M, Qiao D Y, Sun L, Zhang Y M 2007 Chin. Phys. 16 1753
[20]	Wang S G, Zhang Y, Zhang Y M, Zhang Y M 2010 Chin. Phys. B 19 017204
[21]	Huang J Y, Fan G H, Zhang S W, Niu Q L, Li S T, Cao J X, Su J, Zhang Y 2010 Chin. Phys. B 19 047205
[22]	Liu G, Liu M, Wang H, Shang L W, Ji Z Y, Liu X H, Liu J 2009 Chin. Phys. B 18 3530
[23]	Li C W, Zhu Y X, Shen G D, Zhang Y H, Qin Y, Gao W, Jiang W J, Zhou D S 2010 Chin. Phys. B 19 097305
[24]	Blakers A 2009 J. Appl. Phys. 71 5237
[25]	Woehl R, Hörteis M, Glunz S W 2008 Adv. OptoElectron. 1-7
[26]	Nguyen A, Fioramonti A, Morrissey D, Efstathiadis H, Zhouying Z, Haldar P 2009 34th IEEE Photovoltaic Specialists Conference Philadelphia PA, 2009 pp312–315
[27]	Meier D, Schroder D 2005 IEEE Trans. Electron Dev. 31 647
[28]	Hilali M, Rohatgi A, To B 2004 14th Workshop on Crystalline Silicon Solar Cells and Modules Winter Park, Colorado, pp1–11
[29]	Wang N N, Yu J S, Zang Y, Jiang Y D 2010 Chin. Phys. B 19 038602
[30]	Zhou Y H, Yang Z F, Wu W C, Xia H J, Wen S P, Tian W J 2007 Chin. Phys. 16 2136
[31]	Liu X D, Xu Z, Zhang F J, Zhao S L, Zhang T H, Gong W, Song J L, Kong C, Yan G, Xu X R 2010 Chin. Phys. B 19 118601

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