Chemistry Comparison

- Lithium Cobalt (LiCoO2)

- Lithium Manganese Oxide (LiMn2O4)

- Lithium Nickel Manganese Cobalt (LiNiMnCoO2)

- Lithium Ferrous Phosphate (LiFePO4)


Cell Chemistries LiCoO2 LiMn2O4 LiNiMnCoO2 LiFePO4
Rate Voltage
3.7V
3.8V
3.6V
3.2V
Charging Voltage
4.2V
4.2V
4.2V
3.7V
Dischargiing end Voltage
3.0V
2.5V
2.5V
2.0V
Energy Density (Wh/L)
447
253
327
222
Energy Density (Wh/Kg)
140-145
105-115
140-155
90-110
Cycle Life
>700
>500
>700
>1800
Self-Discharge Rate (Month)
1%
5%
1%
0.05%
High Temperature Performance
(55+/-2 )
Good
Acceptable
Good
Excellent
Low Temperature Performance
(-20+/-2 )
Good
Good
Good
Good
High-rate Discharge (10C)
N/A
Good
Good
Excellent
Safety & Environmental Concern
Bad
Good
Good
Excellent