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By Shane Lasley
Metal Tech News 

Group 5 metals improve First Solar panels

Company replaces copper to counter photovoltaic degradation Metal Tech News – April 14, 2021


Last updated 7/10/2022 at 3:14pm

Solar energy panels sunset group 5 elements copper reduction CuRe

First Solar Inc.

Series 6 CuRe, the next-generation photovoltaic technology developed by First Solar has a warranted degradation rate of 0.2% per year, the lowest for any known commercial PV.

First Solar Inc. is leveraging the power of Group 5 elements to nearly eliminate the degradation of its newest generation of photovoltaic solar panels.

Group 5 refers to vanadium, niobium, tantalum, and dubnium that are in the fifth vertical row from the right on the periodic table. Only the first three are naturally occurring refractory metals – dubnium has been produced in laboratories but...

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