Solar Cells which cool by themselves (Self-cooling solar cells)

Solar Cells which cool themselves

Self Cooling Solar Cells

Cooling cells system has been made now. Solar cells and solar systems as we know are getting widely used now; solar cells or we can say Photovoltaic cells are a good source of alternative renewable energy since solar system is going to stay and would not run out like the fossil fuels. Talking about what solar cells/Photovoltaic cells these are quite simple, they do not have any kind of moving parts but they are emission free and also very clean. However the problem is that solar cells/photovoltaic cells are quite inefficient that is they get heated up or get over-heated which is not a positive thing.

How do the solar cells cool by themselves?

Stanford University team under the supervision of Electrical Engineer Shanhui Fan created this system/made this discovery that is developed self cooling solar cells to make them more efficient.

How do solar cells self cool – We are living in the world of technology which is increasing day by day and modernization plus development is taking part in every part of life and things related to life. Now getting to the real thing how solar cells self cool, The Stanford University system used mainly a glass layer patterned with micro-pyramids and cones to shed/relieve heat so that the solar cells could easily cool off themselves by releasing heat from the cells.

Why is cooling done in the manner described above?

Why is cooling done in the manner described above – There are other active systems of cooling like ventilation or through coolant pumps but these systems consume more power on other hand the passive system of cooling is not used since it can hamper/hinder with the solar panels own operations. So this is the reason that solar cell cooling is done in this manner which is that these cells are covered with a very thin layer of that is ornate with silica glass which is designed in a way to release heat from the cells, the best thing is that this system does not require any energy.

Why solar self cooling system was needed?

Why solar self cooling system was needed - According to research of the Stanford Team the efficiency of solar cells/photovoltaic cells dropped by about 0.5% on each degree Celsius heating, the worst thing was that these solar cells needed self cooling because the amount of efficiency doubled as the heating increased so this was a real need that self cooling solar cells system was introduced and discovered.

Hope you liked our article relating to how solar cells system helps to cool the solar cells/photovoltaic cell.

      

Fusion Solar System Increases Natural Gas Power Plants Efficiency

HYBRID SOLAR GAS SYSTEM

As solar power produces infinite energy but only demerits are its cost and sunlight because it will only work when there is a sun. By taking these two factors in consideration, Department of Energy's Pacific Northwest National Laboratory has developed a hybrid solar gas system that increases efficiency of natural gas of power plants and decreases emission of carbon.

The system consist of a parabolic mirrors that focus the sunlight to a chemical reactor that is (1.2x0.6m) in length and is lined with narrow channels that are 8.1 mm wide. The sunlight heat up natural gas in these channels nearer to the catalyst that converts gas molecules into carbon and hydrogen dioxide mixture called synthetic gas or syngas. There is a heat exchanger near to the reactor that accumulates all waste heat from the reaction and reuse it back to reactor until 60% percent of sunlight is converted into chemical energy. The test of that system indicates that a natural gas plant can work on 20 % more efficiency.     

PNNL engineer Bob Wegeng said that our system is capable of using less natural gas to produce same quantity of electricity as power plants are producing now. He also said that our system decreases the greenhouse gas emission as compared with the emission through fossil fuels.

It is known that the system will work more efficient in areas where the sun shine is more and it can be easily adapted to any natural gas power plant. For instance a 500 MW power plant needs about 3000 dishes of solar and also the synthetic gas can also be used to produce synthetic fuels for the vehicles

The PNNL test systems at its own campus, Richland where Washington is as a part of it to produce more efficiency to cut down the cost to six US cent per kilowatt hour by 2020 so there will be a competition with traditional fossil fuels plants. The Microproducts breakthrough Institute that is a research and development facility in Corvallis, Oregon has aim to develop mass producing system whereas industrial partner Solar Thermo Chemical LLC plan is to develop and manufacture that system before selling.