A fuel cell is a device that converts chemical energy into electricity. Unlike batteries, these particular devices do not go “dead” unless the fuel source depletes. Fuel cells have a pretty high efficiency rate, usually between 40%- 60%, but some can even operate at 85% efficiency.
There are four different types of fuel cells and each of them follow the same basic design and have the same components:
They differ mainly by the energy sources used to fuel the cells. These sources can be hydrogen, methane, processed hydrocarbon and even carbon monoxide
PEMFC – Proton Exchange Membrane Fuel Cell
PAFC – Phosphoric Acid Fuel Cell
MCFC – Molten Carbonate Fuel Cell
SOFC – Solid Oxide Fuel Cell