Low resistance, low reflection, and low cost contact grids for photovoltaic cells
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United States of America Patent
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May 30, 2017
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N/A
app pub date -
Apr 8, 2016
filing date -
May 11, 2011
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Abstract
The instant disclosure relates to contact grids for use in photovoltaic cells, wherein a cross-section of the contact grid fingers is shaped as a trapezoid, as well as a method of making photovoltaic cells comprising these contact grids. The contact grids of the instant disclosure are cost effective and, due to their thick metal grids, exhibit minimum resistance. Despite having thick metal grids, the unique shape of the contact grid fingers of the instant disclosure allow the photovoltaic cells in which they are employed to retain more solar energy than traditional solar cells by reflecting incoming solar energy back onto the surface of the solar cell instead of reflecting this energy away from the cell.
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