Building Envelope News

Fuel Cells 101

Introduction to Fuel Cell

Category: Alternative Energy
Originally published in: EnergyPlace
Original date published: 2010-04-01

A fuel cell generates electricity from reactions between a fuel and an oxidant, in the presence of an electrolyte.

The fuel cell has three segments sandwiched together: an anode, electrolyte, and cathode. Two chemical reactions occur at the interfaces of the segments. The result is that fuel is consumed, water or carbon dioxide is released, and an electrical current is created, which can be used to power electrical devices. There are many types of fuel cells, but they all work by the same principle.


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