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Study of crystalline silicon solar cells with integrated bypass diodes

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Abstract

This paper reported a novel method of integrating bypass diodes into crystalline silicon solar cells. Bypass diodes which have the opposite p-n junction were formed by printing specific paste on the local surface of solar cells using screen printing, while infrared laser was applied to isolate the diode from the cell after firing. A module of crystalline silicon solar cells with integrated bypass diodes was fabricated and the I–V characteristics were measured under different shade conditions. The experimental results clearly showed that the integrated bypass diodes can effectively stabilize module’s short circuit current while reduce the module power loss when shaded as well.

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Authors and Affiliations

  1. State Key Laboratory of Optoelectronic Materials and Technologies, Institute for Solar Energy Systems, Sun Yat-Sen University, Guangzhou, 510275, China

    KaiHan Chen, DaMing Chen, YanBin Zhu & Hui Shen

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  1. KaiHan Chen
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  2. DaMing Chen
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  3. YanBin Zhu
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  4. Hui Shen
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Correspondence to Hui Shen.

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Chen, K., Chen, D., Zhu, Y. et al. Study of crystalline silicon solar cells with integrated bypass diodes. Sci. China Technol. Sci. 55, 594–599 (2012). https://doi.org/10.1007/s11431-011-4712-6

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  • DOI: https://doi.org/10.1007/s11431-011-4712-6

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