Week 1 Understanding Different Battery Chemistry
| Types of lithium ion battery | chemical form | Anode material | Cathode materia | Anode reaction |
Cathode reaction |
overall reaction | Application |
|
Lithium cobalt oxide |
LiCoO2 | Graphite carbon | Lithium Titanium oxide | C6+e-+Li=LiC6 | LiCoO2=Li CoO2+Li+e- | LiCoO2+C6=CoO2+LiC6 | Mobile phone,Laptop |
| Lithium maganese oxide | LiMn2O4 | Graphite carbon | Lithium maganese oxide | Li+e-+C6=LiC6 |
LiMnO4=Li Mn2O4+Li+e- |
LiMn2O4+C6=LiC6+Mn2O4 | Power tools,medical device |
| Lithium nickel maganese cobalt oxide | LiNiMnCoO2 | Graphite carbon | Lithium nickel maganese cobalt oxide | Li+e-+C6=LiC6 | LiMO2=Li MO2+Li+e- | LiMO2+LiC6=LiMO2+C6 | E-bikes,Industrial tools |
| Lithium iron phosphate | LiFePO4 | Graphite carbon | Lithium iron phosphate | Li+e-+C6=LiC6 | LiFePO4=Li FePO4+Li+e- | LiFePO4+C6=LiC6+FePO4 | Power tools,Automotive Hybrid system |
| Lithium nickel cobalt aluminium oxide | LiNiCoAlO2 | Graphite carbon | Lithium nickel cobalt aluminium oxide | Li+e-+C6=LiC6 | LiNiCoAlO2=Li NiCoAlO2+Li+e- | C6+LiCoAlO2=LiC6+NiCoAlO2 | EV,medical device |
| Lithium titanium oxide | Li4Ti5O12 | Lithium Titanium oxide | Lithium nickel maganese cobalt oxide | Ti5O12+4Li+4e-=Li4Ti5O12 | 4LiMn2O4=4Mn2O4+4Li+4e- | Li4Ti5O12+4Mn2O4=4LiMn2O4+Ti5O12 | Electric power train |
2.Compare the differences between each type of Li+ion batteries based on their characteristics,
batterys are compared on many different parameters such as nominal voltages,weight of the battery,specific energy.
Lithium cobalt oxide,
Voltages nominal-3.70V
Typical poerating range-3.0V-4.2V
Specific energy(wh/kg)-150-200wh/kg
Charging rate-0.7-1c,charges to 4.20V
Discharging-1c
Life cycle-500-1000
Lithium nickel cobalt aluminum oxide,
Voltages nominal-3.70V
Typical poerating range-3.0V-4.2V
Specific energy(wh/kg)-200-260wh/kg
Charging rate-0.7-1c,charges to 4.20V
Discharging-1c
Life cycle-500
Lithium nickel maganese cobalt oxide,
Voltages nominal-3.70V
Typical poerating range-3.0V-4.2V
Specific energy(wh/kg)-150-220wh/kg
Charging rate-0.7-1c,charges to 4.20V
Discharging-1c,2c
Life cycle-1000-2000
Lithium iron phosphate,
Voltages nominal-3.30V
Typical poerating range-2.5V-3.6V
Specific energy(wh/kg)-90-120wh/kg
Charging rate-1c,charges to 3.60V
Discharging-1c,25c
Life cycle-5000-7000
Lithium titanate,
Voltages nominal-2.40V
Typical poerating range-1.8V-2.85V
Specific energy(wh/kg)-50-80wh/kg
Charging rate-1c,charges to 2.85V
Discharging-10c
Life cycle-3000-7000