ALUMINUM PASTE USED FOR LOCAL BACK SURFACE FIELD SOLAR CELL AND LOCAL BACK SURFACE FIELD SOLAR CELL USING THE ALUMINUM PASTE

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United States of America

APP PUB NO 20200028006A1
SERIAL NO

16042211

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An aluminum paste used for local back surface field solar cells is introduced. The aluminum paste which has large-sized aluminum powder; an organic vehicle including a solvent and a resin or cellulose; wherein a ratio of a median particle size (μm) to an oxygen content (%) (median particle size (μm)/oxygen content (%)) of the large-sized aluminum powder ranges from 10 to 15. The aluminum paste used for local back surface field solar cell and the local back surface field solar cell using the aluminum paste eliminate the powder extraction of aluminum powder, the aluminum beads, the adhesion of the aluminum layer to the SiNx capping layer, and the void issue occurred at the LBSF positions, which further improves the photoelectric conversion efficiency of the local back surface field solar cell.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Hung-Ing Taoyuan County, TW 1 0
HUANG, YING-HUA Taoyuan County, TW 4 0
Pai, Yu-Ching Taoyuan County, TW 4 0

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