| Fuel Cell Type | Electrolyte Type | Operating Temperature | Efficiency | Fuel |
| Alkaline Fuel Cell (AFC) | Potassium hydroxide (KOH) solution | Room temperature to 90˚C | 60% - 70% | H2 - O2 |
| Proton Exchange Membrane Fuel Cell (PEMFC) | Proton Exchange Membrane | Room temperature to 80˚C | 40% - 60% | H2 - O2 or Air |
| Direct Methanol Fuel Cell (DMFC) | Proton Exchange Membrane | Room temperature to 130˚C | 20% - 30% | CH2OH - O2 or Air |
| Phosphoric Acid Fuel Cell (PAFC) | Phosphoric acid | 160˚C - 220˚C | 55% | Natural Gas, Biogas, H2 - O2 or Air |
| Molten Carbonate Fuel Cell (MCFC) | Molten mixture of alkali metal carbonates | 620˚C - 660˚C | 65% | Natural Gas, Biogas, Coal gas, H2 - O2 or Air |
| Solid Oxide Fuel Cell (SOFC) | Oxide ion conducting ceramic | 800˚C - 1000˚C | 60% - 65% | Natural Gas, Biogas, Coal gas, H2 - O2 or Air |