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Solar Panels


Matthew Kroeger

on 14 September 2012

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Transcript of Solar Panels

By: Alex Miller & Matt Kroeger Solar Panels Period 4 Intro To Engineering 1830 2010 1850 Time Line 1870 1890 1910 1930 1950 1970 1990 French scientist Edmond Becquerel discovers the photovoltaic effect ... small 1839 William Grylls Adams and Richard Evans Day discover that selenium
produces electricity when exposed to light. ... small 1876 Charles Fritts, described the first solar cells made from
selenium wafers. ... small 1883 William J. Bailley of
the Carnegie Steel Company
invents a solar collector ... small 1908 with copper coils and an insulated box. ... small 1947 Passive solar buildings in the United States were in such demand, as a result of scarce energy during the prolonged W.W.II, that Libbey-Owens-Ford Glass Company published a book entitled Your Solar House, which profiled forty-nine of the nation’s greatest solar architects. Photovoltaic technology is born in the United States when Daryl Chapin, Calvin Fuller, and Gerald Pearson develop the silicon photovoltaic (PV) cell at Bell Labs—the first solar cell capable of converting enough of the sun’s energy into power to run everyday electrical equipment.. ... small 1954 The Vanguard I space satellite used a small (less than one watt) array to power its radios. Later that year, Explorer III, Vanguard II, and Sputnik-3 were launched with PV-powered systems on board. ... small 1958 Dr. Elliot Berman, with help from Exxon Corporation, designs a significantly
less costly solar cell, bringing price down from $100 a watt to $20 a watt. ... small 1970 Solar Design Associates completes a stand-alone, 4-kilowatt powered home in
the Hudson River Valley. ... small 1983 The world’s most advanced solar-powered airplane, the Icare, flew over Germany. The wings and tail surfaces of the Icare are covered by 3,000 super-efficient solar cells, ... small 1996 First Solar begins production in Perrysburg, Ohio, at the world’s largest photovoltaic manufacturing plant with an estimated capacity of producing enough solar panels each year to generate 100 megawatts of power. ... small 2000 Original use of solar power was to heat water http://www.omega2000group.com/product_info.php?products_id=54 Patents Edward Watson - Us389124 Melvin Sevary - Us527377 Harry Reagan - Us588177 William Coblentz - Us1077219 Russell Ohl - Us2402662 Disciplines
Engineering Electrical Material They had to find materials that generated electricity, and they had to know how to make the electricity power the devices Who Uses Solar Panels ? N.A.S.A. and Everyday People What Improvements have been made ? Recently solar panels have become: -Thinner
-More efficient
-Cheaper MAJOR CHANGES 1) Originally used to heat water. 2) Used to power homes and other devices. 3) Used in space to power satellites. 4) Used to power small Palnes. 5) Has become much cheaper. Impact Free Power Clean Power No need for fossil fuels http://science.howstuffworks.com/innovation/nasa-inventions/nasa-improve-solar-energy.htm http://www.solarprices.org/tag/thin-film-solar-panels/ http://www.solarpowerhomesblog.net/





http://www1.eere.energy.gov/solar/pdfs/solar_timeline.pdf Work Cited
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