Spectrolab Produces Two Millionth Multi-Junction Solar Cell

Boeing announced that Spectrolab, Inc., a wholly owned subsidiary, has produced its two millionth multi-junction, gallium-arsenide solar cell. Spectrolab manufactured its two millionth multi-junction solar cell as it celebrates its 50th anniversary.

For the past five decades, Spectrolab’s technological advancements have driven space solar cell efficiencies to more than 28 percent. Today, Spectrolab cells power 60 percent of all satellites orbiting the Earth as well as the International Space Station. The Spectrolab-built solar cells and panels on the rovers Spirit and Opportunity have both operated beyond their 90-day planned mission life, and have conducted research operations for more than 33 months on the Red Planet. “I’d like to thank the U.S. Air Force and NASA for their visionary support of Spectrolab and early adoption of the multi-junction solar cell technology,” said David Lillington, president of Spectrolab. “We are laying the groundwork for the future. In 2007, we’ll offer our next-generation triple junction solar cell, which will be 30 percent efficient,” said Lillington. “Long-term, we plan to achieve 40 percent efficiency space solar cells through further advancements in our multi-junction technology.”
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