Improving solar panel recyclability with lasers

The National Renewable Energy Laboratory developed a proof of concept for a method to remove polymers from solar panel manufacturing to enable more efficient recycling. From pv magazine USA Solar panels are highly recyclable, but the use of thin plastic layers to encase solar cells can cause challenges in recycling valuable materials like silicon or silver effectively. The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a proof of concept that helps cut the use of polymers by making direct glass-to-glass welds in solar cells. The method makes use of femtosecond ...

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