About How to separate photovoltaic panel glass and silicone
The glass/polymer layer can be separated from silicon in solar photovoltaic cells. Nanosecond pulses at 355 nm and 532 nm are more effective than 1064 nm.
The glass/polymer layer can be separated from silicon in solar photovoltaic cells. Nanosecond pulses at 355 nm and 532 nm are more effective than 1064 nm.
“Our process is based on a new delamination technology that is able to efficiently separate the solar cells from the glass plate,” explained project manager Antoine Driancourt, of Veolia .
In the first stage, 20 pulses of around 110 kV separate glass and back sheet solar panels, followed by sieving and dense medium. In the second separation method, the glass layer was crushed to a size fraction of 45–850 μm using 250 pulses at a rate of 90 kV. After separation, there was a 30% increment in silver concentration.
The conditions of thermal and chemical treatment were optimized to separate metals and recover silicon from damaged PV panels. The thermal method was applied to remove EVA. The explored factors for this step were time interval and temperature that would ensure minimum energy expenditure and complete combustion of samples.
The glass and backsheet of PV modules were separated with toluene, washed with ethanol and deionized water and dried to determine their quality. The remaining (EVA + cell) was heated in a muffle furnace (KSL-1700X, HF-Kejing) at 10 °C/min to 600 °C for 90 min to eliminate EVA film and determine the quality of the cell and metallic filaments.
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About How to separate photovoltaic panel glass and silicone video introduction
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