20 Mar '17, 3pm

Efficiency of Silicon Solar Cells Climbs

Efficiency of Silicon Solar Cells Climbs

In research published this week in Nature Energy , researchers at Kaneka Corporation, a resin and plastics manufacturer based in Osaka, describe the first silicon solar cell to achieve a record-breaking 26.3-percent efficiency—a 0.7-percent increase over the previous record. That may not seem like a lot, but it’s really a big step when you consider that silicon solar cells’ theoretical maximum efficiency is just 29 percent. Kaneka is a member of a project set up by the New Energy and industrial Technology Development Organized (NEDO) , a Japanese government entity established to help develop and promote new energy technologies. In producing its new 180.43 square centimeter monocryrstalline silicon prototype cell, Kaneka further developed and improved on several of the technologies promoted by NEDO. Chief among them is Kaneka’s proprietary heterojunction technology. It redu...

Full article: http://spectrum.ieee.org/energywise/energy/renewables/eff...

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