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17 Jun 2002
Spectrolab of Sylmar, California, has set a new efficiency record for satellite solar cells. The cells convert 29% of solar power into spacecraft power. This surpasses the most recent record of 27%, announced in April, for a space solar cell and comes seven months after the company's record of 32.3% for Earth-based solar cells.
The company will start production of this second-generation triple-junction cell in the third quarter of 2000. Maximum efficiency will be 27.4% with an end-of-satellite-life efficiency of 24.1% after 15 years in geosynchronous orbit. Spectrolab is aiming for an average efficiency of 35% by 2002.
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