High-throughput assembly of series interconnected solar cells
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United States of America Patent
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Jan 6, 2015
Grant Date -
N/A
app pub date -
Jul 31, 2012
filing date -
Jan 20, 2005
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Abstract
Methods and devices are provided for high-efficiency solar cells. In one embodiment, an assembly is provided comprising of a plurality of solar cells each having at least one transparent conductor, a photovoltaic layer, at least one bottom electrode, a plurality of emitter wrap through (EWT) vias containing a conductive material, and a plurality of series interconnect vias containing a conductive material. The assembly may also include a backside support coupled to the solar cells, wherein the backside support is patterned to have electrically conductive areas and electrically nonconductive areas that create a series interconnect between solar cells electrically coupled by the support and prevents parallel connections between the solar cells. The cells may have a via insulating layer in each via separating the conductive material in each via from any side walls of the bottom electrode.
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