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nukk41df · Posted: Tue 17:11, 24 Sep 2013 Post subject: hollister sale Solar Cells

Solar Power is a clean and virtually unlimited source of energy. I say "virtually unlimited" because the sun itself won't last forever. But we won't have to worry about that for the next few billion years.
The first solar cells were relatively large and bulky compared to our current models. In view of the amount of energy and material required to produce them, and the amount of energy they actually produced, using solar energy was [url=http://www.sandvikfw.net/shopuk.php]hollister sale[/url] more costly than using fossil fuels. The only [url=http://www.rtnagel.com/louboutin.php]louboutin pas cher[/url] exception was in places where little or no fossil fuels were available, such as in space.
One can use solar panels individually or one can link several together in order to generate more electricity. [url=http://www.achbanker.com/home.php]www.achbanker.com/home.php[/url] When a group of solar panels are linked together, it is called a "solar array". The more solar panels are contained in a solar array, the more power they produce.
We are currently in the second generation of solar panel technology and verging on the third. A lot has changed since the first generation. Solar panels a are becoming a viable source of clean energy.
Solar-powered calculators have been around for a while now, we've all seen them. We have even seen a few other novelty devices hit the market. But its only in the last few years that solar devices have come into serious and practical use.
- How a Solar Cell Works
Whereas a solar cell can generate electricity from any light source, its intended use is the collection of solar energy from the sun.
Photons (which are particles of light in sun rays) hit the surface of the solar cell and are absorbed a semiconductor, such as silicon.
The last two years in particular have seen a virtual explosion of solar devices hitting the market. Solar flashlights (I've often wandered what use they were), solar-powered radios, and, recently, solar battery chargers.
The solar [url=http://www.llyz.cn/E_GuestBook.asp]barbour ou[/url] cell works as follows:
Source: from ArticlesFactory.com
With the second-generation solar cells, we attempted to tackle this exact [url=http://www.davidhabchy.com]barbour outlet[/url] problem. We attempted improve manufacturing techniques so as to reduce the costs, materials and energy needed for the production of solar cells.
Third-generation solar energy technologies are currently being researched and developed. The objective is to improve the power of solar cells even further (while keeping production costs to a minimum) in which case thirty to sixty percent of the sunlight hitting the panels will be converted into electricity. (Current solar panels only convert about twenty percent.)
A group of solar cells linked together can also be referred to as a "module." Thus the terms "solar panel," and "solar module," are synonymous to each other, and essentially mean the exact same thing. "Solar panel" is the more common term, and "solar module" is the technical term.
But regardless of third generation solar technology, the second-generation solar cell is efficient enough to make solar technology viable - and a host of new solar-powered products have hit the consumer market.

All of this is a result of the developments in solar cell technology, and the coming of the Solar Age.
These [url=http://www.1855sacramento.com/moncler.php]moncler sito ufficiale[/url] photons (bits [url=http://www.1855sacramento.com/woolrich.php]woolrich bologna[/url] of sunlight) knock electrons loose from the atoms inside the semiconductor. The photons then push the electrons along, leaving a "gap" in the atom. Another electron is then pulled from an adjacent atom to fill the gap. And so an electrical flow is generated.
A "solar cell" is a device which changes sunlight into electricity. More technically, a solar cell is also referred to as a [url=http://www.1855sacramento.com/peuterey.php]peuterey[/url] "photovoltaic cell."
Thus, a photovoltaic cell is a container that creates electric force, through light.
The term [url=http://www.achbanker.com/home.php]hollister[/url] "photo" derives from the Greek word for "light," and the term "voltaic" comes from the word "volt" [url=http://www.davidhabchy.com]barbour sale[/url] which means "electrical force." A "cell" is a small receptacle or container containing electrodes which generate power.
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One contribution in this area was the development of techniques to coat glass or ceramic materials with very thin layers of semi-conductive substances. This made it possible to produce solar panels using only a fraction of the semi-conductive material that was required earlier. The production of solar panels using this second-generation technology is referred to as "Thin [url=http://www.v-meiko.co.jp/cgi-bin/aska.cgi?mode=resmsg]moncler sito ufficiale Articl[/url] Film Technology."
A solar panel is made up of a group of solar cells linked together to produce the desired amount of electrical energy.
Since solar power is a clean energy source which has been around for decades, one might wonder why its not used more. The answer to this lies partially in the cost of producing solar panels, as well as in the efficiency of the solar panels.
Recently, major advances have been made in the production of solar cells, which have [url=http://www.maximoupgrade.com/hot.php]hollister[/url] reduced production costs.
The simplicity of this is that one atom has an extra electron, and the other atom is missing one. This is referred to as a "difference in potential." Nature, wanting to remain balanced, tries to even things out by pulling another electron from the neighboring atom.