SOLAR CELL
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United States of America Patent
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Issued Date -
Sep 29, 2016
app pub date -
Mar 23, 2016
filing date -
Mar 27, 2015
priority date (Note) -
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Abstract
A solar cell, including a semiconductor substrate, a first-type dopant layer and a second-type dopant layer that are respectively disposed on two surfaces of the semiconductor substrate, a first passivation layer formed on the first-type dopant layer, a first anti-reflection layer formed on the first passivation layer, a plurality of back electrodes passing through the first anti-reflection layer and the first passivation layer, a second passivation layer formed on the second-type dopant layer, a second anti-reflection layer formed on the second passivation layer, and a plurality of front surface electrodes passing through the second anti-reflection layer and the second passivation layer. Widths of the back electrodes formed on a central area are smaller than those of the back electrodes formed on side areas.
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