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What Are 26650 Batteries Made Of?
2022-03-10
26650 lithium-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 capacity of the battery. Various manufacturers are improving the overall voltage and capacity index of the battery through coating process, manufacturing process improvement, etc. Usually, the working voltage and theoretical gram capacity of various materials are as follows:
Lithium cobaltate 3.6V theoretical capacity is 274mAh/g
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, theoretical capacity is 170mAh/g
Various materials will determine the cycle life of the battery, and the manufacturing process of the battery manufacturer will also affect the lifetime.
Advantages of 26650 lithium iron phosphate battery
High energy density: theoretical specific capacity of 170 mAh/g, actual specific capacity ≥ 140 mAh/g (0.2C, 25℃)
High safety: It is the safest lithium-ion battery cathode material at present.
Non-polluting: does not contain any heavy metal elements that are harmful to human body.
Long cycle life: it can be charged and discharged more than 2000 times under 100% DOD condition.
Fast charging performance: lithium batteries with lithium iron phosphate cathode material can be charged using a large multiplier
Lithium cobaltate 3.6V theoretical capacity is 274mAh/g
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, theoretical capacity is 170mAh/g
Various materials will determine the cycle life of the battery, and the manufacturing process of the battery manufacturer will also affect the lifetime.
Advantages of 26650 lithium iron phosphate battery
High energy density: theoretical specific capacity of 170 mAh/g, actual specific capacity ≥ 140 mAh/g (0.2C, 25℃)
High safety: It is the safest lithium-ion battery cathode material at present.
Non-polluting: does not contain any heavy metal elements that are harmful to human body.
Long cycle life: it can be charged and discharged more than 2000 times under 100% DOD condition.
Fast charging performance: lithium batteries with lithium iron phosphate cathode material can be charged using a large multiplier
