![]() It must permit only the appropriate ions to passīetween the anode and cathode. The electrolyte to the anode, where it combines with hydrogen ions. In other cell types the oxygen picks up electrons and then travels through Output of the fuel cell must be routed through a conversion device called anĬathode and, in some cell types (like the one illustrated above), it there combinesĮlectrical circuit and hydrogen ions that have traveled through the electrolyte from If alternating current (AC) is needed, the DC The negatively charged electrons provide the current The hydrogen atoms are now "ionized," and carry a General terms, hydrogen atoms enter a fuel cell at the anode where a chemical reaction There are several kinds of fuel cells, and each operates a bit differently. Generation of Change.) The chemical reactions that produce this current are the key (To learn more about electricity andĮlectric power, visit "Throw The Switch" on the Smithsonian website Powering a The fuel cell, completing an electrical circuit. Because of the way electricity behaves, this current returns to 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 pollutionmuch 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 technologypeople such as inventors, Through this website we are seeking historical materials
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