Week 1 Understanding Different Battery Chemistry
Lithium ion Batteries are classified based on the Cathode Material. Following table gives the different types of Lithium Ion Batteries, Materials used and chemical reaction occurring at the Anode and Cathode.
|
Sl No |
Type of Lithium Ion Battery |
Cathode |
Anode |
Electrolyte |
Chemical Reaction |
|
1 |
Lithium Cobalt Oxide (LCO) |
LiCoO2 |
LiC6 |
LiPF6 in Ethylene Carbonate |
Anode: LixC6 → xLi+ + xe- + C6 |
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Cathode: Li1-xCoO2 + xLi+ + xe- → LiCoO2 |
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Redox Reaction: C6 + LiCoO2 ↔LiC6 + CoO2 |
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|
2 |
Lithium Manganese Oxide (LMO) |
LiMn2O4 |
LiC6 |
LiPF6 in Ethylene Carbonate |
Anode: LixC6 → xLi+ + xe- + C6 |
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Cathode: Li1-xMn2O4 + xLi+ + xe- → LiMn2O4 |
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Redox Reaction: C6 + LiMn2O4 ↔LiC6 + Mn2O4 |
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|
3 |
Lithium Nickel Cobalt Aluminium Oxide (NCA) |
LiNiCoAlO2 |
LiC6 |
LiPF6 in Ethylene Carbonate |
Anode: LixC6 → xLi+ + xe- + C6 |
|
Cathode: Li1-xNiCoAlO2 + xLi+ + xe- → LiNiCoAlO2 |
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Redox Reaction: C6 + LiNiCoAlO2 ↔LiC6 + NiCoAlO2 |
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4 |
Lithium Nickel Manganese Cobalt Oxide (NMC) |
LiNi0.8Mn0.1Co0.1O2 |
LiC6 |
LiPF6 in Ethylene Carbonate |
Anode: LixC6 → xLi+ + xe- + C6 |
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Cathode: Li1-xNi0.8Mn0.1Co0.1O2 + xLi+ + xe- → LiNi0.8Mn0.1Co0.1O2 |
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Redox Reaction: C6 + LiNi0.8Mn0.1Co0.1O2 ↔LiC6 + Ni0.8Mn0.1Co0.1O2 |
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|
5 |
Lithium Iron Phosphate (LFP) |
LiFePO4 |
LiC6 |
LiPF6 in Ethylene Carbonate |
Anode: LixC6 → xLi+ + xe- + C6 |
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Cathode: Li1-xFePO4 + xLi+ + xe- → LiFePO4 |
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Redox Reaction: C6 + LiFePO4 ↔LiC6 + FePO4 |
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6 |
Lithium Titanium Oxide (LTO) |
LiMn2O4 |
Li4Ti5O12 |
LiPF6 in Ethylene Carbonate |
Anode: Li4Ti5O12 → Ti5O12 + 4Li+ + 4e- |
|
Cathode: 4Li1-xMn2O4 + 4Li+ + 4e- → 4LiMn2O4 |
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Redox Reaction: Li4Ti5O12 + 4Mn2O4 ↔ 4LiMn2O4 + Ti5O12 |