Fuel cells are classified primarily by the kind of electrolyte they employ. This classification determines the kind of electro-chemical reactions that take place in the cell, the kind of catalysts required, the temperature range in which the cell operates, the fuel required, and other factors. These characteristics, in turn, affect the applications for which these cells are most suitable. There are several types of fuel cells currently under development, each with its own advantages, limitations, and potential applications. Learn more about the following types of fuel cells.

Polymer electrolyte membrane fuel cells

Direct methanol fuel cellsAlkaline fuel cells

Phosphoric acid fuel cells

Molten carbonate fuel cells

Solid oxide fuel cells

Reversible fuel cells

See our comparison of fuel cell technologies to learn more about the advantages and disadvantages of each fuel cell type, or find information about fuel cell system R&D targets and status.

Reprinted from https://www.energy.gov/eere/fuelcells/types-fuel-cells

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