Asymmetric cell design in solar panels and manufacturing method thereof
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United States of America Patent
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Issued Date -
Jan 31, 2013
app pub date -
Jul 27, 2011
filing date -
Jul 27, 2011
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Abandoned
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Abstract
A thin film photovoltaic module having a plurality of interconnected submodules and a manufacturing method thereof have been disclosed in the present invention. Each submodule has a front electrode layer, a semiconductor layer, and a back electrode layer which have separating lines in each case for forming series-connected photovoltaic cells. The outer cells of two adjacent submodules are united into a single common tap cell for current collection. The separating lines of the two adjacent submodules are disposed mirror-asymmetrically with respect to a perpendicular bisector of the common tap cell. According to the present invention, the thin film photovoltaic module can prevent leakage current and power drop.
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