Outside the cell to do work, such as powering an electric motor or illuminating a The purpose of a fuel cell is to produce an electrical current that can be directed Cell or stack, the principles are the same. In practice, many fuel cells are usually assembled into a
One detail of terminology: a single fuel cell generates a tiny amount of directĬurrent (DC) electricity. Hydrogen and oxygen used in generating electricity ultimately combine to form a One great appeal ofįuel cells is that they generate electricity with very little pollution�much of the Hydrogen is the basic fuel, but fuel cells also require oxygen. The reactions that produce electricity take place at the electrodes.Įvery fuel cell also has an electrolyte, which carries electrically charged particlesįrom one electrode to the other, and a catalyst, which speeds the reactions at the Every fuel cell has two electrodes called, respectively, the anode and cathode.
Presents a general overview of fuel cells for casual visitors.Įlectricity by a chemical reaction. Researchers, manufacturers, electricians, and marketers. Information from people already familiar with the technology�people such as inventors,
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