COMPOSITION FOR FORMING SOLAR CELL ELECTRODE AND ELECTRODE PRODUCED FROM SAME
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United States of America Patent
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Jan 7, 2016
app pub date -
Oct 31, 2013
filing date -
Mar 27, 2013
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Abstract
The present invention relates to a composition for solar cell electrodes, comprising: a silver powder; a bismuth oxide-tellurium oxide-tungsten oxide-zinc oxide-based glass frit; and an organic vehicle, wherein the glass fit comprises about 40 wt % to about 60 wt % of bismuth oxide; about 0.25 wt % to about 15 wt % of tellurium oxide; about 10 wt % to about 20 wt % of tungsten oxide; and about 2 wt % to about 20 wt % of zinc oxide, and solar cell electrodes formed of the composition for solar cell electrodes have excellent adhesive strength with respect to a ribbon and minimized serial resistance (Rs), thus providing high conversion efficiency.
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