Solar Power reseach project
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SunPower Sets Solar Cell Efficiency Record at 24.2% | Renewable Energy World
"This new world record demonstrates SunPower's ability to extend our lead in manufacturing the world's highest efficiency solar cells," said Bill Mulligan, vice president of technology and development for SunPower.
The timeline of solar cells begins in the 19th century when it is observed that the presence of sunlight is capable of generating usable electrical energy.
Timeline of solar cells
Solar Cell
Solar Cells Solar cells (as the name implies) are designed to convert (at least a portion of) available light into electrical energy. They do this without the use of either chemical reactions or moving parts.
The Photovoltaic Effect - Introduction
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Russell Ohl
Russell Shoemaker Ohl (January 1898 - March 1987) was an American engineer who is generally recognized for patenting the modern solar cell (US Patent 2402662, "Light sensitive device"). [ 1 ] Ohl was a notable semiconductor researcher prior to the invention of the transistor . [ 1 ] He was also known as R.S. Ohl.Solar power
The PS10 concentrates sunlight received from a field of heliostats onto a central tower.
Alexandre-Edmond Becquerel (24 March 1820 – 11 May 1891), known as Edmond Becquerel, was a French physicist who studied the solar spectrum, magnetism , electricity , and optics .
A. E. Becquerel
The photovoltaic effect is the creation of voltage or electric current in a material upon exposure to light . Though the photovoltaic effect is directly related to the photoelectric effect , they are different processes. When the sunlight or any other light is incident upon a material surface, the electrons present in the valence band of the metallic atom absorbs energy and, being excited, jump to the conduction band and become free.
Photovoltaic effect
Photovoltaics
Photovoltaic SUDI shade is an autonomous and mobile station in France that replenishes energy for electric vehicles using solar energy. Photovoltaics ( PV ) is a method of generating electrical power by converting solar radiation into direct current electricity using semiconductors that exhibit the photovoltaic effect . Photovoltaic power generation employs solar panels composed of a number of solar cells containing a photovoltaic material. Materials presently used for photovoltaics include monocrystalline silicon , polycrystalline silicon , amorphous silicon , cadmium telluride , and copper indium gallium selenide /sulfide. Due to the increased demand for renewable energy sources, the manufacturing of solar cells and photovoltaic arrays has advanced considerably in recent years.Solar cells can be used devices such as this portable monocrystalline solar charger.