SOLAR CELL STRING, SOLAR CELL MODULE, SOLAR CELL SHEET AND MANUFACTURING METHOD THEREFOR
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United States of America Patent
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Issued Date -
Sep 1, 2022
app pub date -
Nov 25, 2019
filing date -
Aug 1, 2019
priority date (Note) -
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Abstract
A solar cell (10) includes a sector-shaped cell body, front-surface electrodes (11) and a plurality of fine grid lines (12) are provided at a front surface of the cell body, the front-surface electrodes (11) and the fine grid lines (12) intersect and are electrically connected, back-surface electrodes (13) are provided at a back surface of the cell body, and a quantity of the front-surface electrodes (11) and a quantity of the back-surface electrodes (13) are equal. The solar-cell module includes a plurality of solar-cell strings (20) that are sequentially arranged and are electrically connected to each other, a plurality of protrusions (23) are provided on two sides of the solar-cell strings (20), a depression part (24) is formed between every two neighboring instances of the protrusions (23), and the protrusions (23) of each of the solar-cell strings (20) protrude into the depression parts (24) of neighboring solar-cell strings (20).
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