by admin on July 12, 2010
Recently solar panels can be found all across the world. It is not a strange view anymore to see houses and buildings having solar panels on their rooftop to supply their electricity power needs. And actually, we can even make or create solar panel our selves. Buy build the solar power system our selves, we can really save a lot of money. For non-technical people, we can buy ready made solar panel designs so we can build it lot easier and faster.
The Benefits of Solar Panel
By utilizing solar panels we can produce the electricity power we can use to power up various appliances. This is a good solution for people who living in an area that is not reached by common electricity network. People who live in remote area, farmhouse, cabin, can still get electricity power they need with the help of solar panels. This way, there is no more need to spend lot of money for electricity cabling from the nearest grid. A good solar power system will cost you lot cheaper and can be used up to 30 years with proper maintenance.
Another benefits of using solar power is, this is a renewable energy where we will not have to worry we will exhaust its resources. The sun is available everyday, right? And this energy is also clean, as it will not pollute our environment. With current downgrade of our environment quality due to various pollutants we create everyday, it is wise to start investing in clean energy resources, and solar power is one of those. And solar panel doesn’t need lot of maintenance from our end, once it is installed we can get the benefits for many years to come.
Our current market provides various models of solar panels you can choose that fit your needs. There are also various well-known brands like BP Solar, GE, Sharp, and any others. While usually famous brands will cost you more, not always the case anyway, it is suggested for you to get your solar panels from one of them. We are talking about after sales service here, where the famous brands will try to serve you as best as they can, they need to keep their branding value after all. And remember, this is a long-term investment, so taking risks for the shake of saving not so much money can’t be considered as a wise decision.
If you are not really sure about which one to buy, you can always get help from other people buy searching around the net. There are many websites and online forums that will be able to give you detailed information on almost anything you need. You have to understand that some solar panels are designed for areas which less sun rays, and there are solar panel models that is designed specifically or areas with lots of sun rays each day. Make sure you choose the right models that fit your condition.
Solar Panels Price
You also need to do your own comparison between each solar panels models or brands and match it with your needs and budgets. Basically, the prices are based on the solar panel brands and sizes. You also need to consider about the installation process, is it easy to install them? Or even, if you search enough you can even get free installation with your purchase. It is a good decision to ask some opinions from other people who have already implemented solar panels on their house or building. Ask for a recommendation from these people since they already have the experiences with certain solar panel brand and model.
While silicon is the industry common semiconductor in most electrical devices, which includes the pv cells that pv panels utilize to transform sun rays into energy, it is hardly the most cost-efficient component on the market. For example, the semiconductor gallium arsenide and related substance semiconductors provide nearly two times the efficiency as silicon in photo voltaic devices, but they are rarely employed in utility-scale applications because of their high construction price.
University. of I. (http://illinois.edu/) professors J. Rogers and X. Li researched lower-cost techniques to create thin films of gallium arsenide that also granted adaptability in the types of units they might be integrated into.
If you may minimize significantly the expense of gallium arsenide and some other compound semiconductors, then you could expand their own range of applications.
Typically, gallium arsenide is deposited in a individual thin layer on a smaller wafer. Either the desired device is made specifically on the wafer, or the semiconductor-coated wafer is cut up into chips of the desired dimension. The Illinois group chose to put in several layers of the material on a simple wafer, producing a layered, “pancake” stack of gallium arsenide thin films.
If you increase ten levels in one growth, you simply have to fill the wafer one time. If you do this in ten growths, loading and unloading with heat range ramp-up and ramp-down take a lot of time. If you consider exactly what is needed for every growth – the equipment, the planning, the time, the workers – the overhead saving this approach presents is a important price decrease.
Next the experts individually peel off the levels and move them. To complete this, the stacks alternate levels of aluminum arsenide with the gallium arsenide. Bathing the stacks in a formula of acid and an oxidizing agent dissolves the layers of aluminum arsenide, freeing the single thin sheets of gallium arsenide. A soft stamp-like system selects up the levels, one at a time from the top down, for move to another substrate – glass, plastic material or silicon, depending on the application. Next the wafer may be reused for an additional growth.
By doing this it’s possible to produce much more material more rapidly and much more cost effectively. This process could produce bulk quantities of material, as opposed to merely the thin single-layer manner in which it is usually grown.
Freeing the material from the wafer also starts the chance of flexible, thin-film electronics produced with gallium arsenide or other high-speed semiconductors. To make devices that can conform but still maintain higher performance, that is significant.
In a paper shared online May twenty in the academic journal Nature (http://www.nature.com/), the team describes its procedures and demonstrates 3 kinds of devices making use of gallium arsenide chips produced in multilayer stacks: light devices, high-speed transistors and photo voltaic cells. The authors additionally provide a detailed price comparison.
An additional advantage of the multilayer approach is the release from area constraints, particularly important for photo voltaic cells. As the levels are eliminated from the stack, they may be laid out side-by-side on an additional substrate in order to create a much larger surface area, whereas the typical single-layer process restricts area to the size of the wafer.
For solar panels, you want big area coverage to get as much sunshine as achievable. In an extreme case we might grow enough layers to have ten times the area of the traditional.
Next, the team plans to explore more prospective product applications and other semiconductor materials that might adapt to multilayer growth.
About the Article writer – Shannon Combs shares knowledge for the residential solar power generation blog site, her personal hobby website based on points to help home owners to conserve energy with solar power. Complete Bio Photo of the Author: http://www.residentialsolarpanels.org/about
12v solar panel is probably one of the most popular solar panel products on the market, beside the 10watt solar panel. There are many choices available for this panel specification, and choosing the right one that fit your need and budget as well as quality requirement may look hard. But actually it is not as hard as you think. Just make sure you know several points before you buy 12v solar panel.
The first point here is making sure what is the charge capacity you require and ensure you choose the right one. This is a really crucial step since it may take few days to be able to charge it for full. There are days where you can’t get maximum sunrays to charge the panel so you probably will lose the power. Another issue you need to pay attention when buying 12v solar panel is getting the required device called charge controller.
This solar controller is an important part here especially if you find that the panel you use gives more then 5watts output. It will help you to avoid discharge condition when you use it while the panel doesn’t get enough sunlight. Make sure you buy the controller that fit your wattage.
To be able to charge your solar battery, there is no need to buy big solar panels that will require the entire roof. You will only need to count the required power amount to charge the battery then make a kind of calculation to determine your solar panel needs. Though it’s probably sound difficult, actually you can do it easily. Or ask the store to give you a clue on your solar panels requirement.
Using solar energy can really give you many advantages. You can save lots of money on your electrical bills and at the same time you help the environment since you use clean energy resource. However, you can even save more money if you decide to build solar panel from scratch your self.
I hope this tips can be useful for you when you decide to buy 12v solar panel for your home.
by admin on March 9, 2010
Below are solar energy pictures related. All of these solar energy photos are taken randomly from flickr.com!
How Solar Panel Works
Solar Hot Water Heater
Installing Solar Panel
Solar Panels for Home
Solar Panels Installation
Small Solar Panels
Portable Solar Panels ?
Solar Powered Car
Frozen Solar Panel :Þ
by admin on March 7, 2010
Although leftist groups pretend to contain the brightest minds in America, following their plans for energy production will leave the country with a lot of dim bulbs.
This month’s green competition on campus once again shows a misunderstanding of the real problem facing American energy. If this country plans on using electric cars and continues to increase in population, no amount of conservation will satisfy the output needs of our power generation facilities.
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