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All basic information of 26650 battery
2022-03-10
26650 lithium battery is a type of cylindrical lithium battery, suitable for special equipment, medical equipment, instrumentation, electric tools, transportation and logistics, security monitoring, exploration and mapping, etc. 26650 lithium battery size: 26mm diameter, 65mm length.
1、26650 lithium battery advantages
26650 lithium battery energy density, low self-discharge rate, stable charging and discharging performance, no memory effect, does not decompose when exposed to heat, high safety performance, long life cycle, high voltage, can be used in series or in parallel to combine into 26650 lithium battery pack, environmental protection and pollution-free.
2、Single 26650 lithium battery
26650 lithium battery is mainly divided into two kinds of ordinary materials and lithium iron phosphate materials
Common materials
Voltage: 26650 lithium battery nominal voltage 3.6V, fully charged voltage 4.2V, discharge cut-off voltage: 3.0V
Capacity: 26650 Li-ion battery capacity capacity includes 2800mAh, 3000mAh, 3200mAh, 3400mAh, 3600mAh, 3800mAh, 4000mAh and many other capacity segments.
Lithium iron phosphate material
Voltage: 26650 Li-ion battery nominal voltage 3.2V, fully charged voltage 3.65V, discharge cut-off voltage: 2.0V
Capacity: 26650 Li-ion battery capacity is generally in 4500mAh, 5000mAh, 5500mAh, 6000mAh relatively more.
26650 Li-ion battery cathode material
Lithium manganate 3.7V with a theoretical capacity of 148mAh/g
Ordinary material 3.65V with theoretical capacity of 278mAh/g
Lithium iron phosphate 3.2V with theoretical capacity of 170mAh/g
The various materials will determine the cycle life of the battery, and the manufacturing level of the battery manufacturer will also affect the life.
1、26650 lithium battery advantages
26650 lithium battery energy density, low self-discharge rate, stable charging and discharging performance, no memory effect, does not decompose when exposed to heat, high safety performance, long life cycle, high voltage, can be used in series or in parallel to combine into 26650 lithium battery pack, environmental protection and pollution-free.
2、Single 26650 lithium battery
26650 lithium battery is mainly divided into two kinds of ordinary materials and lithium iron phosphate materials
Common materials
Voltage: 26650 lithium battery nominal voltage 3.6V, fully charged voltage 4.2V, discharge cut-off voltage: 3.0V
Capacity: 26650 Li-ion battery capacity capacity includes 2800mAh, 3000mAh, 3200mAh, 3400mAh, 3600mAh, 3800mAh, 4000mAh and many other capacity segments.
Lithium iron phosphate material
Voltage: 26650 Li-ion battery nominal voltage 3.2V, fully charged voltage 3.65V, discharge cut-off voltage: 2.0V
Capacity: 26650 Li-ion battery capacity is generally in 4500mAh, 5000mAh, 5500mAh, 6000mAh relatively more.
26650 Li-ion battery cathode material
26650 Li-ion battery cathode materials include lithium cobaltate, lithium manganate, nickel cobalt aluminum, nickel cobalt manganese, lithium iron phosphate, etc. The material system determines the working voltage and unit capacity of the battery, and various material manufacturers and cell manufacturers improve the overall battery voltage and capacity index by mixing special substances in the material, coating process, manufacturing process improvement, etc. Normally, the working voltage and theoretical gram capacity of various materials are as follows:
Lithium manganate 3.7V with a theoretical capacity of 148mAh/g
Ordinary material 3.65V with theoretical capacity of 278mAh/g
Lithium iron phosphate 3.2V with theoretical capacity of 170mAh/g
The various materials will determine the cycle life of the battery, and the manufacturing level of the battery manufacturer will also affect the life.
