Fuel Cell

Fuel Cells (FCs) are electrochemical devices that convert the chemical energy of a fuel source, such as natural gas, and an oxidant, such as air, to electrical energy and by-products including heat. They consist of an electrolyte sandwiched between two electrodes – an anode and a cathode. A fuel specific catalyst at the anode stimulates the fuel molecules or atoms to split up into electrons and ions. The ions migrate through the electrolyte and react with the electrons transferred by external circuit and oxygen (O2) at the cathode, thereby producing heat and water.

There are several variations of this basic process depending on the fuel source or fuel cell type:

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