Conductive paste-forming electrode, solar cell manufacturing method and solar cell
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United States of America Patent
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Feb 21, 2017
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Feb 18, 2016
app pub date -
Mar 6, 2014
filing date -
Apr 4, 2013
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Abstract
A conductive paste is provided which can form electrodes in crystalline silicon solar cells at low cost while ensuring that the electrodes exhibit low contact resistance with respect to both p-type and n-type impurity diffusion layers. The conductive paste for forming a solar cell electrode includes a silver powder, a glass frit, an additive particle and an organic vehicle, the glass frit having a glass transition point of 150 to 440° C., the additive particle including an alloy material containing 20 to 98 mass % aluminum, the conductive paste including the additive particle in an amount of 2 to 30 parts by weight with respect to 100 parts by weight of the silver powder.
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