Wednesday, November 26, 2008

Solar Startups Set New Power Records

Solar Startups Set New Power Records
If solar startups Alta Strategy and Semprius were in the ma?tre d' business, one would be mounting a sumptuous high-powered ma?tre d' period the other would be stringing thousands of Linux boxes as a whole. Each approaches, nonetheless, are show settlement at bringing the list of solar power alcoholic drink.

Scientist Keith Emery


Alta Strategy in this day and age understood it set the record for the greatest extent vigorous solar cell, able to convert 23.5 percent of sunlight during electricity. The Teacher of California at Berkeley spin-out understood the compactness decline, verified by the Glory Renewable Reach Laboratory, is a relocation on the road to commercializing its innovative solar technology.

The company is making solar cells from gallium arsenide, a especially vigorous problem as a rule used on high-end concentrating photovoltaic collectors or solar panels in interface. The substitute is that Alta Strategy has ripened a built-up sending to make extremely slender cells virtuously one micron stubby. A bolt of possible fur is about 40 microns to 50 microns immense.

By creating especially slender solar cell slices, Alta Strategy expects it can make solar panels cheaper than truthful silicon cells or other thin-film technologies. Gallium arsenide then generates electricity intentionally at especially capacious temperatures or low light, which improves its year-round amusement.

"Our delight is to optimize the production economics of solar so that it is aggressive with fossil fuels sans subsidies, topmost to spacious backing of solar generated electricity," Alta Strategy have control over Christopher Norris understood in a thrust.

Rule summer, the company came out of evasiveness mode by presenting a precise manuscript at a photovoltaic conference that predicted getting better amusement over year as capacious as 28 percent. The industry-leading polycrystalline silicon panels take on compactness of 20 percent or first-class period commercial thin-film cadmium telluride or CIGS cells are sooner to 12 percent.

Boosting the compactness of think solar cells, which are inflexible as a whole and assembled during a solar panel, is one of the greatest extent bits and pieces levers manufacturers take on for lowering the list of solar power.

But substitute solar startup, Semprius, is booty a non-negotiable different essential with a fashion that uses thousands of dot-size solar cells in a stasher that concentrates sunlight.

The company be on your feet week understood that its solar modules, or panels, were veteran at converting 33.9 percent of sunlight to electricity. Semprius was able to get that module-level amusement with a ferment of optics to good turn light and a inexpensive built-up solar cell printing process.

Astral "microcells" the construct of a pencil aim are printed onto a substrate using a robotic production process in three layers. Along with lenses good turn light 1,000 time onto the gallium arsenide cells.

Astral concentrators such as these drop in especially punishment areas, such as deserts, and use mounting systems that release the sun modish the dash of the day to optimize the light perspective. Reach colossal Siemens be on your feet day invested in Semprius, which drive aid the company in getting its products to saving as banks are as a rule unwilling to finance new energy technologies. It expects to host built-up its solar collectors, believed at solar energy project developers, in a North Carolina director plant in the split second part of this day.

SOURCE: http://news.cnet.com/8301-11386 3-57371835-76/solar-startups-set-new-power-records/

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