1. Lithium-Ion Battery For Low Temperature Application Presentation

2. Lithium-ion Battery Advantages (Compare with Nickel Cadmium Battery）
High Energy Density
High Voltage
No Pollution
High Cycle Life
No Memory Effect
Environmental Benign
Fast Charge

3. Lithium-ion Battery Advantages
Lithium-ion battery is about half of Nickel Cadmium/Ni- MH battery’s weight with the same capacity.
Volume is about 40-50% of Nickel Cadmium, and 20-30% of Ni-MH。

4. Lithium-ion Battery Advantages
Single Lithium-ion battery has a voltage of 3.7V(average rate)
Single Lithium-ion battery has the capacity of three Nickel Cadmium batteries
3.7V
3.7V
Lithium-ion
Nickel Cadmium

5. Lithium-ion Battery Advantages
No pollution
Lithium-ion batteries do not contain harmful metals such as cadmium, lead, mercury, etc…
Nickel Cadmium
Lithium-ion
recyclabl e
recyclabl e
No pollution
Dangerous solid waste

6. Lithium-ion Battery Advantages
High Cycle Life
Nickel Cadmium
Lithium-ion
>1000 Cycles
300 Cycles

7. Lithium-ion Battery Advantages
No Memory Effect
When Nickel Cadmium battery charge/discharge, the battery capacity decreases. However, Lithium-ion has no such side effect.

8. Lithium-ion Battery Advantages
Fast Charge
Lithium-ion
Nickel cadmium
Fully charge in one to two hours under constant 4.2V

9. Lithium-ion Battery Advantages
High Rate Discharge
High Cycle Life
Environmental Safety
Work Under Extremely Low Temperature

10. Lithium-ion Battery Advantages
High Rate Discharge
Discharge rate of 30c
1.5 Ah cell can be discharged at 20A
Instantaneous pulse up to 50A discharge
Self - discharge rate≤0.5%

11. Product Application Case
s1p
s1p

12. Data Analysis 18650 Standard Model Size Height:65mm Diameter:18mm
Capacity:1500mAh
Operating Voltage:3.8V
Maximum operating current :20A
Plus current:40A
Discharge based on different temperature

13. Data Analysis-18650 3s1p pack continuous discharge
Performance test diagram
Temperature：-40±2℃
Pack is discharged with 2A at -40 ℃ (voltage limit 5V)

14. Data Analysis -18650 7s7p Pack Pulse Discharge
Performance test diagram
Temperature ：-40±2℃
Pulse Discharge Currents
1A,1s
15A,15s
1A,10s
Leave it for 10 minutes. Repeat the above process until voltage lower than 17.5 V.
Repeat 6 times

15. Data Analysis - 18240 3s1p Pack Pulse Discharge
Temperature ：25℃
Pulse Discharge Currents
0.35A,1s
5A,0.5s
Continuous discharge until voltage lower than 7.5 v
Performance test diagram

16. THE END