Having dished out plenty of solar power info, I got to think whether or not the majority of people are even unaware of the brains behind the project, the Solar Panel? Whatever the metaphor, lets familiarize us with the photovoltaic physical workings of this super hero enigma.![solar.panel.grid[1]](http://www.solarpowerwindenergy.org/wp-content/uploads/2010/02/solar.panel_.grid1_thumb.jpg)
How They Do And What They Do?
As mentioned, the principles of photovoltaic physics are used to convert the energy of the sun in to electricity rather than just heat. Now the impressive scientific stuff has been duly noted, let me paint a much simpler picture.
Solar cells are not made using pure silicon but instead have impurities added to it. Why? Because pure silicon crystals are non reactive in a stable state, which is not good as the electrons need some form of instability to be productive. So in this context some impurities must be required.
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by Q. AB.January 6, 2010
Surely no one will accepts such type of electricity, which is available only in daytime and usually on clear days only. For such situation we needs electricity storage devices (batteries). But sad to say, that batteries add a lot of cost and maintenance to the PV system. Anyhow currently, it’s a necessity if you want to be completely independent. One solution to this problem is to connect your house to the utility grid, buying power when you need it and selling to them when you produce more than your need.
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by Sarah ShawJanuary 5, 2010
Think City electric car will be able to drive more than 100 miles on a single charge. Top speed is around 73 miles per hour which is pretty decent for an urban car. It is a good compact design and is enough for a small family of two with children.
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