18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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Lithium battery steel shell/aluminum shell/cylinder/flexible packaging series

source:Industry News release time:2022-12-14 Hits:     Popular:AG11 battery

  603450 1200mAh 3.7V

  (1) Positive pole - the active material is generally lithium manganate or lithium cobalate, and lithium nickel cobalt manganate material. The electric bicycle generally uses lithium nickel cobalt manganate (commonly known as ternary) or ternary+a small amount of lithium manganate. Pure lithium manganate and lithium iron phosphate gradually fade out due to large volume, poor performance or high cost. The conductive collector uses electrolytic aluminum foil with a thickness of 10-20 microns.

  (2) Diaphragm - a specially formed polymer film with a microporous structure that allows lithium ions to pass through freely, while electrons cannot.

  (3) Negative electrode - the active material is graphite or carbon with approximate graphite structure. The conductive collector uses electrolytic copper foil with a thickness of 7-15 microns.

  (4) Organic electrolyte - carbonate solvent dissolved with lithium hexafluorophosphate, and gel electrolyte used for polymer.

  (5) Battery shell - divided into steel shell (rarely used for square type), aluminum shell, nickel plated iron shell (used for cylindrical battery), aluminum plastic film (soft package), etc., as well as the battery cap, which is also the positive and negative pole outlet of the battery


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