Lithium ion cells Flashcards
1
Q
Components
A
Electrode A - lithium cobalt oxide - LiCoO2
Electrode B - graphite - C
Electrolyte - lithium salt dissolved in an organic solvent
2
Q
Half equations
A
Li+ + e- <—–> Li Ecell= 3.04V
Li+ + CoO2 + e- <—–> Li+[Coo2]-
3
Q
Cathode
A
Li <—–> Li++ e-
As Ecell value is higher
electrons are being produced
4
Q
Anode
A
Li+ + CoO2 + e- <—–> Li+[Coo2]-
5
Q
Overall equation on discharge
A
Li + CoO2 <—–> Li+[CoO2]
6
Q
Overall equation on recharge
A
Li+[CoO2] <—–> Li + CoO2
7
Q
Ecell
A
+0.56V + 3.04V = +3.60V
