Wednesday, January 6, 2010

Solar Energy Future Lies With Polymer Solar Cells

If you are new to researching green energies you are going to be surprised at the variety of options available.While you will find a lot of information and products using traditional solar cells, polymer solar cells are the latest in solar energy technology studies and research.

Polymer cells are also referred to as plastic cells, and are types of organic cells. The future of these solar is assured because they are much less expensive and more disposable than traditional cells that are produced from silicon crystal and involve a complicated production process. At this point in time polymer cells are not produced commercially by many companies, mostly because their efficiency rate has been only as high as six percent.

Energy efficiency refers to the percentage of energy that is stored in a cell that can be converted into usable energy. At the rate that these cells are being researched, companies predict that they will reach the seven to ten percent efficiency rate they need to compete with the bigger solar cell producers within the next three years.

The size, weight and overall flexibility of these cells makes them ideal as energy sources for portable products like laptop battery chargers, and used in items such as umbrellas and tents. These solar energy sources can be derived solely from ink jet printers or photographic film manufacturing equipment. This means that a large supply of energy can be derived with low manufacturing costs.

While most of the plans are aiming towards using polymer cells with niche markets, improved efficiency and their unique ability to be spread very thinly will introduce them to unique markets. Currently research is also pointing to creating polymer solar cell sheets that can be installed easily against window panes and also produce an attractive tinting effect.

One drawback to plastic cells is their limited lifetime of a few years compared to conventional solar cells which last decades. The relative inexpensive cost of manufacturing and the less damaging effects on the environment when it comes to disposing of these cells can be used to counter this decreased life span.

Currently Denmark is the country leading the way into industrializing polymer cells. They have constructed solar panels with the newer technology and might just become the forefront polymer solar cell panel exporter. Universities within that country include the technology as part of their studies and have come across many of the new breakthroughs that are starting to make this energy resource feasible.

While we do have to wait a bit before we are going to start seeing these solar energy solutions in our clothes, on our cars and in stores as heating solutions for our homes, they are something any green thinking individual will want to keep an eye out for. Just thinking about the possible uses for a power source that travels easily will boost researchers and entrepreneurs into action.

Monday, January 4, 2010

Generators for Homes - What You Must Know

Introduction:

With the use of fossil fuels the environment is taking a toll with dwindling Earth conditions. The demand in fuel is ever increasing, and the demand and supply ratio is so high that those demands are driving up the cost. In order to meet the growing need, there are more and more countries in the world that are turning to solar energy sources and slowly adopting solar power as residential power source for homes.

As far as use of solar energy is concerned for homes, people have a wrong impression that the power system could be too complicated, and too expensive.

This could have been true in the past, but at present the technology has advanced far and residential solar power is within the reach of the common man. Today, many homes have successfully installed solar power systems and saving substantial cost vis-a-vis their traditional electrical power consumption.

How does solar power work?

A solar powered electrical system mainly consists of a solar panel and electrical circuitry which conditions the electricity generated by the panel making it suitable for residential power requirements. Electricity is created by the array of photovoltaic (PV) cells installed on the panel, and this light energy is given out as the Sun shines on the cells. This light energy is typically enough to keep most of your modern day appliances and electronics working very satisfactorily.

Semiconductor materials are specially treated to form the photovoltaic cells which are found in a solar panel. These semi-conductor materials are essentially silicon atoms. When Sun light falls on these devices, electrical energy is created which is conditioned by the system making the energy ready for your residential use.

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How effective are solar panels?

Depending on the place where you reside, solar panels can produce electrical energy enough to power your electrical appliances and the lights in your home. In a place where you have ample sunshine, you can generate enough power even to keep your home hot or cold. How much of effective power you can generate depends largely upon the amount of sunshine you get through the day. Solar panels can be installed on any side of your house where it can get the most solar exposure.

However, in order to get an effective supply of electrical energy, the solar panels should be able to get at least six hours of steady sunlight each day year round. Many of the homes today use solar powered electrical energy along with the power which they get from the utility companies.

Your savings from solar energy:

To build your own solar panel, it would cost you around two hundred dollars, and if you should be paying the same monthly amount for your traditional electrical consumption, a solar powered electrical system for your home may save you substantially in your otherwise monthly billing.

Although a single solar panel cannot power you entire home, your yearly electrical consumption cost would be much lower, making the solar panel a viable source of alternate electrical energy for your home.

If you are living in a place with lots of sunshine, you may be able to generate more electrical power, which you can utilize in many other areas in your home. This excess electricity that you then generate could be sold to your utility company. Switching to solar powered electrical system may save you upto 85% on your regular electricity bill.

Summary:
 
In the past, the technology in utilizing the Sun to generate electrical energy was unknown, and today solar energy source has become the fastest growing renewable energy source in the market. People around the world have started to appreciate the cost savings in this alternate energy source and are installing solar power energy system for general use in their homes.

Solar power energy systems are one of the best investments that you can make today, which will provide you with long term savings on your yearly electrical consumption bill.