Method for passivating surface of crystalline silicon solar cell
The invention relates to a method for passivating the surface of a crystalline silicon solar cell. The method includes the steps of texturing, diffusing, oxidizing, edge etching, PSG removing, PECVD treatment, silk screen printing and sintering, so that the surface of the crystalline silicon solar c...
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Format | Patent |
Language | English |
Published |
14.01.2015
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Abstract | The invention relates to a method for passivating the surface of a crystalline silicon solar cell. The method includes the steps of texturing, diffusing, oxidizing, edge etching, PSG removing, PECVD treatment, silk screen printing and sintering, so that the surface of the crystalline silicon solar cell is passivated. Compared with the prior art, the oxidizing technology hardly affects the quality of a silicon wafer and other technologies and is easy to match with other technologies, Voc can be improved by 4 mV-6 mV, and the absolute value of cell efficiency can be improved by 0.3-0.5%; for a monocrystalline silicon solar cell, the highest efficiency can reach 1926%. |
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AbstractList | The invention relates to a method for passivating the surface of a crystalline silicon solar cell. The method includes the steps of texturing, diffusing, oxidizing, edge etching, PSG removing, PECVD treatment, silk screen printing and sintering, so that the surface of the crystalline silicon solar cell is passivated. Compared with the prior art, the oxidizing technology hardly affects the quality of a silicon wafer and other technologies and is easy to match with other technologies, Voc can be improved by 4 mV-6 mV, and the absolute value of cell efficiency can be improved by 0.3-0.5%; for a monocrystalline silicon solar cell, the highest efficiency can reach 1926%. |
Author | LIU ZHEN LU GUILIN MA XIANFANG GONG CUICUI |
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Snippet | The invention relates to a method for passivating the surface of a crystalline silicon solar cell. The method includes the steps of texturing, diffusing,... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
Title | Method for passivating surface of crystalline silicon solar cell |
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