GCSE Science | Fuel Cells
Anode
- the electrode where oxidation happens
 
Cathode
- the electrode where reduction happens
 
Chemical cells
- a chemical cell produces a potential difference until the reactants are used up
 
Anode

Cathode

Overall reaction

Advantages
- less pollutants
 - rechargable
 
Disadvantages
- it is dangerous to store hydrogen as it is explosive if it reacts with water
 - hydrogen is difficult to store
 - it is difficult to produce hyrdogen