Week 1 Understanding Different Battery Chemistry
Aim: To prepare a table which includes materials & chemical reactions occurring at the anode and cathode of LCO, LMO, NCA, NMC, LFP and LTO type of lithium-ion cells.
|
Cell Name |
Cathode |
Anode Material |
Chemical Reaction at Cathode(Discharge) |
Chemical Reaction at Anode(Discharge) |
Overall Reaction |
|
LCO(LiCo02) |
Lithium Cobalt Oxide |
Graphite Carbon |
Li1-xCo02 +xLi+ + x e- --> LiCo02 |
C6Li --> 6C + Li+ + e- |
C6+ LiCo02 --> LixC6+ Li1-xCoO2 |
|
LMO(LiMn204) |
Lithium Manganese Oxide |
Graphite Carbon |
Mn02 + Li+ + e- --> LiMn02 |
Li --> Li++ e- |
Li + Mn02 --> LiMn02 |
|
NCA(LiNiCoA102) |
Lithium Nickel Cobalt Aluminium Oxide |
Graphite Carbon |
NiCoAlO2+ Li+ + e- --> LiNiCoA102 |
CsLi --> 6C + Li+ + e- |
C6Li + NiCoA102 --> Li1-x NiCoAlO2 + LixC6 |
|
NMC(LiNiMnCo02) |
Lithium Nickel Manganese Cobalt Oxide |
Graphite Carbon |
Li 1-x (Ni 1-x-y MnxCoy )02+ xLi+ + x e- --> LiNiMnCo02 |
LixCn -->nC + xLi+ + x e- |
Li1-x(Ni1-x-y MnxCoy)02 + LixCn --> LiNiMnCoO2 +nC |
|
LEP(LiFePO4 |
Lithium Iron Phosphate |
Graphite Carbon |
Li 1-x FePo4+ xLi+ + x e-—>LiFePo4 |
LixC6 --> 6C + x Li+ + x e- |
C6 + LiFePo4 --> LixC6 + FePo4 |
|
LTO(Li2TiO3) |
Manganese Oxide |
Lithium Titanium Oxide |
4Li1-x Mn204 + 4Li+ + 4 e- --> 4LiMn204 |
Li7Ti5O12 --> TisO12 + 4Li+ + 4e- |
Li7TisO12+ 4Mn2O4 --> 4LiMn2O4+Ti5O12 |
Reference: