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shared by Mars Base on 16 Jun 13 - No Cached

Sharp Corporation has achieved the world's highest solar cell conversion efficiency of 44.4%, using a concentrator triple-junction compound solar cell
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Measurement of the value—which sets a record for the world's highest concentrating conversion efficiency—was confirmed
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Compound solar cells typically offer high conversion efficiency while utilizing photo-absorption layers made from compounds of multiple elements, such as indium and gallium
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triple-junction compound solar cells use a proprietary technology that enables the efficient conversion of sunlight into electricity by means of a stack of three photo-absorption layers
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o achieve a concentrating conversion efficiency of 44.4%, Sharp worked to widen the effective concentrator cell surface and ensure uniformity of width at the interface of the connecting concentrator cell and electrodes.
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Because of their high conversion efficiency, compound solar cells have thus far been used primarily on space satellites
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shared by Mars Base on 31 May 12 - No Cached

Swiss sun-powered aircraft Solar Impulse is waiting for weather conditions to improve before continuing on its first transcontinental flight, organisers said Wednesday
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experimental plane, which is not designed to fly into clouds
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landed in Madrid on Friday
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end of the first leg of its attempt to reach Morocco without using a drop of fuel.
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After technical checks and a pilot change it was hoped Solar Impulse would leave for Rabat on Monday but its departure was put off due to strong winds
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waiting for a good weather forecast window on the Madrid-Rabat leg
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If successful the 2,500-kilometre (1,550-mile) journey will be the longest to date for the aircraft after a flight to Paris and Brussels last year and it will mark the first time that the plane has left Europe.
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intended as a rehearsal in the run-up to the plane's round-the-world flight planned for 2014
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wingspan of a large airliner but weighs no more than a saloon car, is fitted with 12,000 solar cells feeding four electric motors driving propellors
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shared by Mars Base on 24 Jan 14 - No Cached

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