Canadian Solar MWT solar cells hit 19.5% efficiency

Solar module maker Canadian Solar used DuPont Solamet photovoltaic metallization pastes from DuPont Microcircuit Materials in its ELPS cells, acheiving 19.5% solar cell conversion efficiency for c-Si cells using metal wrap through (MWT) technology.

June 10, 2011 — Solar module maker Canadian Solar Inc. used DuPont Solamet photovoltaic metallization pastes from DuPont Microcircuit Materials in its ELPS cells, acheiving 19.5% solar cell conversion efficiency for monocrystalline silicon (c-Si) cells using metal wrap through (MWT) technology.

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DuPont Solamet paste used in Canadian Solar’s ELPS solar cells. 

 
DuPont Solamet photovoltaic metallizations offer good resistance and durability, and is compatible with Canadian Solar’s cell manufacturing process. “When compared with N-type cell structures, the manufacturing process for ELPS technology is easy to ramp-up and is cost-effective,” said Zhang Lingjun, technical VP — Canadian Solar.  This near-20% efficiency is on-track with  DuPont’s 20% efficiency by 2012 roadmap published in 2010.

ELPS solar cells will now move into production, with modules shipping in Q4 2011. 

DuPont’s Solamet metallization paste technology was optimized for MWT solar cells in part through collaborations with Green Energy & Environmental Research Laboratories and Industrial Technology Research Institute of Taiwan (ITRI), said Peter Brenner, global marketing manager, photovoltaics – DuPont Microcircuit Materials, who notes that the collaborations brought solar module efficiency up 1.6%.

More on DuPont Solamet technology:

DuPont Microcircuit Materials makes specialized thick film compositions for photovoltaic, display, automotive, biomedical, industrial, military and telecommunications markets.  For more information, visit http://mcm.dupont.com or http://photovoltaics.dupont.com.

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