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Electrochemistry, rechargeable batteries and fuel cells [1]

One of the oldest and most important applications of electrochemistry is to the storage and conversion of energy. You already know that a galvanic cell converts chemical energy to work; similarly, an electrolytic cell converts electrical work into chemical free energy. Devices that carry out these conversions are called batteries. In ordinary batteries the chemical components are contained within the device itself. If the reactants are supplied from an external source as they are consumed, the device is called a fuel cell.

http://en.wikipedia.org/wiki/Electrochemistry [2]

 

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Submitted by admin on Tue, 03/24/2015 - 11:12

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[2] http://en.wikipedia.org/wiki/Electrochemistry