SOLAR CELL
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United States of America Patent
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Jul 24, 2017
filing date -
Aug 24, 2016
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Abstract
A solar cell includes a semiconductor substrate, one or more bus bar electrode, and a plurality of finger electrodes. The bus bar electrode and the finger electrodes are disposed on the semiconductor substrate. Conventionally, in a process of forming the finger electrodes by utilizing screen printing, offset may occur. Consequently, the finger electrodes cannot be connected to the bus bar electrode. According to the provided solar cell, the bus bar electrode is formed by using patterned silver and aluminum, to manufacture a wider bus bar electrode than the bus bar electrode in the conventional solar cell without increasing silver consumption, thereby resolving the problem of offset.
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