fuel cells - TRIPLE Flashcards
1
Q
how are fuel cells supplied?
A
by an external source of fuel ( eg hydrogen) and oxygen or
air.
2
Q
how is the fuel oxidised?
A
electrochemically within the fuel cell to produce a potential
difference.
3
Q
what does the overall reaction in a hydrogen fuel cell involve?
A
the oxidation of hydrogen to
produce water.
4
Q
what do hydrogen fuel cells offer?
A
a potential to rechargeable cells and batteries.
