Fuel cell | Galvanic cell |
Converts the energy from the combustion of fuels such as H2,CO,CH4, etc. directly into the electrical energy. | Chemical energy of the spontaneous redox reaction is converted into the electrical energy. |
It is a continuous source of energy. | It is not a continuous source of energy. |
It is not pollution free. | It is not pollution free |
There is a continuous supply of the reactants. | The supply of the reactants is not continuous. |