Putting bifacial modules to the test

US scientists recently put different bifacial solar cells and modules through a series of tests at elevated temperature, humidity, voltage and mechanical stress levels. The tests revealed a range of light-induced and potential-induced degradation mechanisms that modules will likely suffer in the field.The solar industry's adoption of bifacial cells, which is expected to represent more than half of all silicon PV cells on the market this year, required a few rapid shifts in module design, focused on maximizing the amount of light that can be absorbed from the module's rear side. And changes to ...

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