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Published on November 24th, 2010 | by Zachary Shahan


Boeing to Start Commercial-Scale Production of High-Efficiency (but Not Record-Breaking) Solar Cells

November 24th, 2010 by  

Sharp, GE, Google, Boeing,… who isn’t in the clean tech game these days? Boeing (yes, the airplane company) has just announced that it “plans to deliver its first commercial scale high-efficiency solar-power cells for Earth-based electricity production in January,” according to Bloomberg News.

Boeing’s concentrating photovoltaic cells have an efficiency of up to 39.2%, which is excellent, but not record-breaking as some sites around the web are saying. Scientists from the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) set the solar cell efficiency record at 40.8% in 2008 and German researchers at the Fraunhofer Institute for Solar Energy Systems set the record a little higher at 41.1% at the beginning of 2009.

Nonetheless, commercial production of such an efficient solar cell is a great success, and Boeing says its efficiency may average 40% next year once improvements are made during the production process.

The high-efficiency solar cells have been developed by Boeing’s Spectrolab unit for satellites and the International Space Station. They are made from single-crystal germanium substrates.

Boeing is intending to produce up to 10 million of these solar cells next year.

While, as I wrote above, Boeing has not set a solar cell efficiency record (yet), this statement from the Bloomberg News coverage is probably what has generated the confusion:

The top polysilicon-based solar panels manufactured by SunPower Corp., based in San Jose, California, can convert a maximum of 22 percent of the sun’s rays into electricity. In June, a SunPower solar cell reached a 24.2 percent conversion efficiency, the record for large silicon wafers.

Looks like Boeing has made another big stride forward. Perhaps you’ll have Boeing solar cells on your roof soon.

Photo Credit: ~DocBudie~ via flickr (CC license) 

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About the Author

is tryin' to help society help itself one word at a time. He spends most of his time here on CleanTechnica as its director, chief editor, and CEO. Zach is recognized globally as an electric vehicle, solar energy, and energy storage expert. He has presented about cleantech at conferences in India, the UAE, Ukraine, Poland, Germany, the Netherlands, the USA, Canada, and Curaçao. Zach has long-term investments in Tesla [TSLA] — after years of covering solar and EVs, he simply has a lot of faith in this company and feels like it is a good cleantech company to invest in. But he does not offer (explicitly or implicitly) investment advice of any sort on Tesla or any other company.

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