Unformatted text preview: Some electrons are displaced from the circuit’s negative layer Flows into positive layer –> electrical current o Advantages: Low capital cost Low maintenance Virtually no pollution Do not have to be wired into a grid Needs a lot of space o Disadvantages: Low efficiency • Lots of energy lost as heat Lessened by cloudy and hazy conditions Cannot keep it going at night o New technologies being developed: Mirrors and lenses to better focus sunlight Multispectral PV cells Organic elements • Thin, flexible, sometimes transparent materials...
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This note was uploaded on 11/23/2011 for the course GEOG 1114 taught by Professor ? during the Fall '08 term at Oklahoma State.
- Fall '08