24-11-2010, 07:32 AM
[/font]ABSRACT
Fuel cells are those device, that employs the conversion of chemical energy of a fuel and an oxidant to electrical energy. The fuel and oxidant are typically stored outside of the fuel cell and transferred into the fuel cell as the reactants are consumed. The major constituents of a fuel cell systems are Fuel cell stack, Fuel processor, Current converter and Heat recovery system. Nowadays a large varieties of fuel cells are available , among those some of the important types are discussed here..