Metallurgical polysilicon solar cell and solar cell panel
The utility model provides a metallurgical polysilicon solar cell and a solar cell panel. One surface of the metallurgical polysilicon solar cell is a suede surface made of erosion velvet, and the suede surface comprises a plurality of erosion pits. The erosion pits are 3.0-3.6 micrometers in depth...
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| creator | FENG GUOJIANG MA CHENGHONG ZONG LINGLUN HE JIANGBIAN LI JIAN |
| description | The utility model provides a metallurgical polysilicon solar cell and a solar cell panel. One surface of the metallurgical polysilicon solar cell is a suede surface made of erosion velvet, and the suede surface comprises a plurality of erosion pits. The erosion pits are 3.0-3.6 micrometers in depth and 4.94-6.63 micrometers in length. The metallurgical polysilicon solar cell combines the self properties of the metallurgical polysilicon and corresponding velvet manufacturing process to make the high quality velvet surface to be eroded on a metallurgical polysilicon sheet after phosphorus gettering. Moderate corrosion pits are uniformly formed on the surface of a polysilicon sheet through erosion, and the light tripping structure of the surface of the solar cell is excellent. The external surface is uniform, and the surface reflectivity is low. Reverse leakage current is minimized, and the photoelectric conversion efficiency of the solar cell is improved. |
| format | Patent |
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| subjects | BASIC ELECTRIC ELEMENTS 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 REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION 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 | Metallurgical polysilicon solar cell and solar cell panel |
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