Q.CELLS Develops 301 W Solar PV Module


Q.CELLS says it has broken the 300 W barrier for 60-cell modules with a performance of 301 W. According to the company, the rating was confirmed by independent testing institute Societe Generale de Surveillance Institut Fresenius in Dresden, Germany.

The module is based on the Q.ANTUM technology, which is under constant development at Q.CELLS. The base material for the solar cells are 180-nm-thick, n-doped monocrystalline silicon wafers. Q.CELLS deposited functional nano-layers onto the rear side of these wafers at its in-house research center and applied metal contacts using a screen-printing technique, the company explains.

Cell efficiency of 20.9% had already been achieved using this same cell architecture at the start of the year, according to Q.CELLS. By a conductive adhesive from Sony Chemicals Europe, 60 of these solar cells were interconnected and encapsulated, and the resulting modules completely eliminate boron-oxygen degradation and show an increased energy yield, the company adds.

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