Basic components of outdoor solar lights – photovoltaic cell

3:44 pm 4 Comments

Giant photovoltaic array1 300x225 Basic components of outdoor solar lights – photovoltaic cell

Firstly, some simple explanation of photovoltaic cell (solar cell), solar panel and solar energy, so we can get better view of the subject we are examining.

Photovoltaic (PV) cell is a composite of glass, usually two different types of semiconductors, junction in the middle, and two terminals on the outside (negative and positive). Joined number of cells form solar panel. When photons in sunlight hit the solar panel and are absorbed by semiconducting materials (such as silicon), negatively charged electrons are knocked loose from their atoms. This gives them independency of moving, and therefor they can stir in a single direction. Positively charged (protons) are moving in opposite direction. This interaction allows to capture solar energy for purpose of converting it into usable amount of direct current electricity.

Solar energy can be used in many applications, as for instance, water heating, heating, cooling and ventilation, cooking, process heating, vehicles, chemical, electrical generation and solar lightning.

sanyo solar ark1 300x225 Basic components of outdoor solar lights – photovoltaic cell

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Outdoor solar lights

4 Responses to “Basic components of outdoor solar lights – photovoltaic cell”

  1. Chuck Ramadanovic Of Homemade Solar Panels December 12, 2010 at 3:11 pm

    Solar power development has really reached a spot of its advancement where it power numerous equipments, from powering the whole residence right down to compact consumer electronics gadgets. It certainly is exciting to recognise that we have other unlimited source of electrical power and it’s clean compare to the standard method of producing usable energy. Expect more on this in the long term and expect a lot countries to compliment individuals who are implementing the solar power technology. I’m among those folks who are ready to take advantage of the free energy transformed into usable electricty for home which power the home devices, water heating and down to battery chargers for mobile computing devices, ipods, mp3 players and many more.

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