kiekes schreef op 9 maart 2016 20:14:
March 9 (SeeNews) - Belgian nanotechnology research centre Imec and Dutch manufacturer of assembly equipment for the semiconductor industry BE Semiconductor Industries NV (Besi) on Monday announced the successful completion of reliability tests of photovoltaic (PV) modules featuring Ni-Cu-Ag plated solar cells.
“This breakthrough gives further momentum to the industry acceptance of Ni-Cu-Ag plating as a low-cost alternative to front side screen printing of Ag pastes,” stated Martijn Zwegers, product manager solar at Besi.
The test module consisted of 60 front side laser ablated and Ni-Cu-Ag plated p-type Cz-Si cells. The plating was done in an industrial Meco vertical plating tool, followed by annealing in an inline belt furnace. Cells were interconnected using a standard solder and lamination process.
Thermal cycling tests (-40°C to + 85°C) carried out on the full 60 cell module resulted in an overall power loss of only 1% after 600 hours—three times the standard IEC61215 test protocol.
Previous damp heat testing on 30 cells in mini modules successfully passed 1.5X standard IEC61215 specification. These test results prove the long-term reliability potential of Imec’s and Besi’s Cu-plated cells and modules, as they have now outperformed the industrial standard for reliability, which requires less than 5% loss relative to initial power after 200 thermal cycles or 1000 hours of damp heat testing.
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