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April 27, 2012

Mtg: Increasing CPV Market Penetration through Efficiency-scalable Multijunction Solar Cell Technology

by @ 10:04 am. Filed under ALL, Electrical/Power, Electronics Design, Optics/Displays, Semiconductors
 

WEDNESDAY May 9, 2012
SCV Photovoltaics Chapter
Speaker: Vijit Sabnis, Vice President Technology, Co-Founder, Solar Junction
Time: Networking 6:30 PM, Presentation at 7:00 PM
Cost: none
Place: Palo Alto Research Center (G.E. Pake Auditorium), 3333 Coyote Hill Road, Palo Alto
RSVP: from website
Web: www.ewh.ieee.org/r6/scv/pv

Increasing the efficiency and energy yield of concentrating photovoltaic (CPV) systems is critical to ensure that this technology can compete against tracked PV and other energy sources to deliver the lowest cost of electricity in sunny climates.? Over the last two years, CPV module efficiencies (DC) exceeding 30% have been achieved primarily from improvements in optical throughput and multijunction solar cell power conversion efficiencies.? Increasing the efficiency of multijunction solar cells offers significant cost and performance benefits to CPV systems.? Since multijunction solar cells comprise only 10-15% of the overall system cost, improvements in cell efficiencies offer significant leverage in driving down upfront capital costs and the levelized cost of electricity of a CPV project.? In this talk I will discuss Solar Junction’s development of dilute nitrides as an enabling materials platform for achieving solar cell efficiencies starting at 43.5% and increasing to over 50% in the coming years.? This will ultimately enable CPV module efficiencies (DC) exceeding 40% and accelerate widespread adoption of CPV in high-DNI regions.

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