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San Jose CA (SPX) Sep 06, 2010 Silicon Genesis has announced that it has started production of solar wafers using its new high volume manufacturing PolyMax system. In an industry first, SiGen has produced 85 m thick, 156 mm square kerf-free monocrystalline silicon wafers. Kerf is the material converted into saw dust, inherent in all sawing processes. This achievement delivers the first true mono c-Si kerf-free wafering for the PV industry. The introduction of the PolyMax high volume manufacturing system brings the industry one step closer to replacing wire saw processes with a lower cost waste-free wafering solution. A key strength of the PolyMax system is its ability to produce wafers thinner than is achievable with wire saw technology, allowing the industry to produce cells with higher conversion efficiencies and lower cost. "We believe the benefit of using kerf-free wafers will allow the PV industry to reach unsubsidized grid parity. The start up of our high volume manufacturing system is a key step towards achieving this goal," said Francois Henley, CEO of SiGen. In an invited talk at the 35th IEEE PV Specialists Conference, Henley reviewed crystalline silicon kerf-free wafering technologies. At the upcoming 25th European Photovoltaic Solar Energy Conference and Exhibition (25th EU PVSEC) in Valencia, Spain, SiGen will present the PolyMax production system (2CV.1.53).
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MIT Researchers Create New Self-Assembling PV Technology That Repairs ItselfBoston MA (SPX) Sep 06, 2010 Plants are good at doing what scientists and engineers have been struggling to do for decades: converting sunlight into stored energy, and doing so reliably day after day, year after year. Now some MIT scientists have succeeded in mimicking a key aspect of that process. One of the problems with harvesting sunlight is that the sun's rays can be highly destructive to many materials. Sunlight ... read more |
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