Photovoltic solar-cell
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Photovoltic solar-cell

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for more downloads visit www.mechanical-online.com

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Photovoltic solar-cell Photovoltic solar-cell Presentation Transcript

  • Brief History of Solar Cells• Dates back to French physicist Antoine-Cesar Becquerelof 1839 .– He observed that shining light on an electrode submerged in aconductive solution would create an electric current.• By 1941 Russell Ohl had invented the first silicon solarcell.• The energy crisis of the 1970s sparked an interest but theprices were too high.• Now they are becoming more cost effective.
  • Building Integrated Photovoltaic (BIP)• Integrate solar cells withbuildings.• They are in the form ofphotovoltaic panels.• They are used in walls,roofs, and in “PowerGlass”.• Sunlight strikes the panelsand create electricity thatis used in conjunction withthe electricity supplied bylocal energy companies.
  • BIPV Process• Place a very thin, semi-transparent coating and film over a large areaof glass or transparent plastic.• Use a reel-to-reel manufacturing technique to create the film.• This coating will replace conventional glazing material and at thesame time create electricity.Second GenerationFirst Generation
  • Applications• Used on windows,atrium glazing, roofglazing, or curtainwalling• BIP are especiallyuseful in today’scommercial andindustrial facilities.
  • Applications• Used on windows,atrium glazing, roofglazing, or curtainwalling• BIP are especiallyuseful in today’scommercial andindustrial facilities.