A fuel cell is an electrochemical cell.Ā
Ā | ElectronĀ | Ā | ResistanceĀ | Ā |
ElectrodeĀ | Ā | Voltage | Ā | Proton |
As the fuel enters the cell it becomes oxidised which sets up aĀ potential difference or ...................... within the cell
The overall reaction in a hydrogen oxygen fuel cell forms water. Balance the equation for this reaction.
2H2 +Ā O2 ā ......... H2O
Which of the following are advantages of using fuel cells in cars? Tick two boxes.
Quieter so less noise pollution than petrol and diesel cars |
Ā |
They are efficient at a low temperatures |
Ā |
No batteries to dispose of which is better for the environment |
Ā |
Hydrogen is easy to store |
Ā |
Which of the following are disadvantage of using fuel cells? Tick two boxes.
Materials used in producing fuel cellsĀ areĀ expensive |
Ā |
Fuel cells emit pollutantsĀ |
Ā |
High pressureĀ tanks are dangerous and difficult to handle |
Ā |
There are lots of moving parts meaning that energy is lost in transition |
Ā |
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