Everything You Wanted To Know About Solar Panels

The history of solar panels can be dated back to 1839 as this was the period when French physicist

, Antoine-Cesar Becquerel, made the awesome discovery of the photovoltaic effect. This shocking discovery happened in the course of an experiment that involved an electrolytic cell created from 2 metal electrodes and was positioned within an electrolyte solution. Antoine-Cesar Becquerel found during the experiment that once the electrolytic cells were exposed to light, it produced a certain quantity of electricity. The more the light, the more the production of electricity and that's how solar panels really came into the picture.

Nearly 50 years afterwards in 1883, the first solar cell was created by Charles Fritts and it was formed utilizing selenium coating sheets with a micro-thin layer of gold. Between the period of 1883 and 1941, there were a number of scientists along with inventors who, using the assistance of companies, began experimenting with solar energy. It was during this period that Clarence Kemp, an inventor from Baltimore, patented the first ever commercial water heater that was being run by solar energy.

Around 1941, an American inventor named Russell Ohl who was working for Bell Laboratories patented the first ever silicon solar cell. This new invention was spearheaded by the Bell Laboratories and so they went on to produce the first ever crystalline silicon solar panel in the year 1954. This was the most effective solar cells in that era because it achieved a 4 % return on overall energy conversion.

The first ever large scale deployment and utilization of solar energy ever recorded was in space satellites. USA was the first country to enable production of solar cells that offered 20% efficiency and this was in the year 1980. By 2000, USA had produced several solar cells that were creating 24% efficiency. A year ago, two big companies, Emcore Photovoltaics and Spectrolab appeared to dominate the world of solar cell production by creating cells that gave 28% efficiency.

Working of Solar Panels

The solar panel basically contains pure silicon. Silicon is first stripped of all its impurities and hence offers essentially the most perfect neutral platform for enhancing the transmission of electrons. In its natural state, Silicon can carry at the maximum 4 electrons even though it has the capability to carry 8. So mathematically speaking, it has sufficient room for four more electrons.

Once a silicon atom is made to come into contact with a second silicon atom, then every one of them receive each other's added 4 electrons. So the 8 electrons fulfill a single silicon atoms' needs and this brings about the formation of a strong bond however the fact is that there are virtually no negative or positive charges.

Solar panels are being considered the provider of tomorrow as the other forms of creating electricity are getting rejuvenated by the day. There are a number of online sources and websites that are selling solar panels with a power range that ranges from 10WP to 280WP.

by: Hazel Knox.

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