PKL electrochemical cell and battery-The influence of equilibrium constant

Renewable Energy

Galvanic cell is an electrochemical cell. It was discovered by Luigi Galvani in1780. He discovered that when two different metals (say Copper and Zinc) touched at the same time to two different parts of a nerve of a frog leg then the leg contracts. He named it animal electricity. A Galvanic cell derives electrical energy from spontaneous redox reaction taking place within the cell. In 1800 Alessandro Volta presented his Voltaic cell which was entirely out of non-biological material to challenge Galvanie’s animal electricity theory in favour of his own metal-metal contract electricity theory. The cell invented by Volta was the first electrical battery. In common usages, the word “battery” has come to include a single Galvanic cell, but a battery properly consists of multiple cells. To keep it in mind it has been designed and fabricated PKL electrochemical cell. It is found that the PKL cell and battery potential depends on equilibrium constant. The variation of PKL electrochemical cell and battery has been tabulated graphically discussed.

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