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The handling of photovoltaic cells is getting a growing concern. Due to the significant fraction of the material costs on the overall costs of solar wafers the cell thickness was reduced from initially 300 μm down to 200 μm or even 150 μm. At the same time, the size of typical cells remained at 156 × 156 mm2. Thus, solar cells have the same thickness like microelectronic chips but their size is about...
The paper describes the problems of interconnecting single solar cells with each other to create a photovoltaic module. High power und low voltages demand the transport of high currents through the interconnection wires. The resistance of the wiring is crucial, because it significantly influences the total module efficiency. However, increasing the width and height of the rectangular wires leads to...
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