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Battery

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Submitted By decck
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They're everywhere; they permeate every aspect of our modern lives. Ubiquitous metal cylinders that power our lifestyles; our televisions, radios, CD players, portable phones, and clocks. Our cars, planes, and even our homes are no exception, they too contain devious contraptions of metal, acid, and wire. Even the hearts of our vice presidents are not free from the hidden enemy. Thousands die daily, but millions more take their places; they are silent, hidden from our eyes. Waiting for revenge.

The battery rebellion is almost at hand, but it has been in the making for hundreds of years. While technically a battery is an energy storage system, most people refer to a battery as a chemical/electrical system, rather than any object with potential energy (a flywheel, a spring, a piece of firewood, or a bucket of water).

Chemical electrical batteries work through a redox chemical reaction, short for reduction oxidation (the same reaction behind other tried and true human inventions like fire). Basically, an electrical current is generated when oxygen ions are mercilessly ripped from one molecule and forced upon another. A simple battery must then contain three things; two different materials (with contrasting oxidation potentials) and an electrolyte - the material which links the previous two and encourages the violent and unjust treatment of oxygen ions.

You, the suspicious and disbelieving soul, can test this out by mercilessly sticking a lemon with a strip of copper and a strip of zinc. The copper and zinc are the anode and cathode, and the lemon juice is the electrolyte. Of course, if you don't happen to have separate strips of pure copper and zinc lying around your house, then you're probably not cool enough to understand the process anyway.

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