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Home > News of Winston Battery/LiFePO4>Cylindrical lithium ion batteries

Cylindrical lithium ion batteries



26650 lifepo4 battery


The cylindrical lithium batteries include lithium iron phosphate, lithium cobalt, lithium manganese, mixed cobalt manganese,
and ternary material systems. The shell is divided into a steel shell and a polymer shell, which have different advantages.


Cell Model

Nominal
Voltage

Nominal
Capacity

Charging
Temperature

Discharge
Temperature

Charging 
Current

Discharging Current

ICR18650
NMC

3.7V

2200mAh

0~45℃

-40℃~+60℃

2.2A (1C)

10A (5C)

ICR18650
NMC

3.7V

2500mAh

0~45℃

-40℃~+60℃

2.5A (1C)

25A (10C)

ICR18650
NMC

3.7V

3000mAh

0~45℃

-40℃~+60℃

3.0A (1C)

15A (5C)

ICR21700
NMC

3.7V

4000mAh

0~45℃

-40℃~+60℃

4.0A (1C)

40A (10C)

NCR18650B
 (NMC

3.6V

3350mAh

0~45℃

-20~60℃

1.625A

4.875A

INR18650-30Q
(NMC)

3.6V

3000mAh

0~45℃

-20~75℃

0.5C

15A

IFR26650
LiFePO4

3.2V

3200mAh

-20℃~+45℃

-40℃~+60℃

3.2A (1C)

10A(3C)

IFR32700 
(LiFePO4)

3.2V

5000mAh

-20℃~+45℃

-40℃~+60℃

5.0A (1C)

25A (5C)

IFR26650
 (LiFePO4)

3.2V

3000mAh

0~55℃

-20~60℃

3.0A (1C)

9A (3C


What is cylindrical batteries?

The cylindrical lithium batteries include lithium iron phosphate, lithium cobalt, lithium manganese, mixed cobalt manganese,
and ternary material systems. The shell is divided into a steel shell and a polymer shell, which have different advantages. 
At
present, the cylindrical batteries are mainly made of steel-shell cylindrical lithium iron phosphate materials. This kind of battery
has high
capacity, high output voltage, good charge and discharge cycle performance, stable output voltage, large current
discharge, safe to use, wide 
operating temperature range, and environmentally friendly, it is widely used in solar lamps, lawn
lamps, back-up energy, power tools and toy 
models.

The structure of cylindrical lithium ion batteries

The structure of a typical cylindrical battery includes: shell, cap, positive electrode, negative electrode, separator, electrolyte, PTC
element, gasket, safety valve, etc. Generally, the battery casing is the negative electrode of the battery, the cap is the positive
electrode of the battery, and the battery casing is made of nickel-plated steel.

cylindrical lithium battery


The advantages of cylindrical lithium ion batteries

Compared with soft packs and square lithium batteries, cylindrical lithium batteries have the longest development time, with higher
standardization, more mature technology, high yield and low cost.

· Mature production technology, low PACK cost, high battery product yield, and good heat dissipation performance
· Cylindrical batteries have formed a series of internationally unified standard specifications and models with mature technology and
  suitable for continuous mass production.
· The cylinder has a large specific surface area and a good heat dissipation effect.
· Cylindrical batteries are generally sealed batteries, and there are no maintenance problems during use.
· The battery shell has high withstand voltage, and there will be no phenomena such as square, flexible packaging battery expansion
   during use.


Next News: 400Ah and 700Ah Winston LiFeYPO4 Batteries shipped to Denmark

Previous: 4 units BYD B-Plus 2.56Kwh LiFePO4 Battery shipped to Australia

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