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Edge reflector or refractor for bifacial solar module

United States Patent

9,929,296
March 27, 2018
View the Complete Patent at the US Patent & Trademark Office
One embodiment relates to a bifacial photovoltaic module having an edge reflector. The module includes a plurality of solar cells in an array, each solar cell having a front side and a back side. A reflector is configured on an edge of the array of solar cells, the first reflector being configured to reflect light onto the front side of a row of solar cells adjacent to the edge. Another embodiment relates to a method of reducing non-uniformity of power generation from a bifacial photovoltaic module. Electrical current produced from solar cells along at least one edge of the array is increased by using a reflective strip facing towards the front side of the solar cells along the edge. Another embodiment relates to a bifacial photovoltaic module having an edge refractor. Other embodiments and features are also disclosed.
Rose; Douglas H. (San Jose, CA)
SunPower Corporation (San Jose, CA)
12/ 644,609
December 22, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The invention described herein was made with government support under contract number DE-FC36-07GO17043 awarded by the United States Department of Energy. The United States Government may have certain rights in the invention.