-The difference between pure cobalt cells and ternary cells

The difference between pure cobalt cells and ternary cells
author:enerbyte source:本站 click134 Release date: 2024-06-20 08:36:53
abstract:
A ternary polymer lithium battery refers to a lithium battery that uses nickel cobalt manganese oxide (Li (NiCoMn) O2) ternary cathode material as the positive electrode material. The ternary composite cathode material is made of nickel salt, cobalt salt, and manganese salt as raw materials, and the...

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A ternary polymer lithium battery refers to a lithium battery that uses nickel cobalt manganese oxide (Li (NiCoMn) O2) ternary cathode material as the positive electrode material. The ternary composite cathode material is made of nickel salt, cobalt salt, and manganese salt as raw materials, and the proportion of nickel cobalt manganese inside can be adjusted according to actual needs. Batteries with ternary materials as the positive electrode are relatively safe compared to lithium cobalt oxide batteries, but the voltage is too low. When used on mobile phones (the cut-off voltage of mobile phones is generally around 3.0V), there will be a clear feeling of insufficient capacity. [1]

A ternary polymer lithium battery refers to a lithium battery that uses lithium nickel cobalt manganese ternary cathode materials as the positive electrode material. There are many types of positive electrode materials for lithium-ion batteries, mainly lithium cobalt oxide, lithium manganese oxide, lithium nickel oxide, ternary materials, lithium iron phosphate, etc. At present, ternary battery cells have replaced the previously widely used lithium cobalt oxide battery cells and are widely used in the field of notebook batteries.

Nominal capacity: 1250mAh

Standard discharge continuous current: 0.2C

Maximum continuous discharge current: 1C

Discharge: -10~60 ℃

Product size: MAX9.5 * 35 * 52mm

Finished product internal resistance: ≤ 150m Ω

Lead wire model: National standard wire UL1007/24 #, wire length 55mm

Protection parameter: Overcharge protection voltage/4.325 ± 0.025V per string

Overdischarge protection voltage 2.5 ± 0.05V

Overcurrent value: 2-6A or 3-8A

A material that is relatively balanced in terms of capacity and safety, with better cycling performance than normal lithium cobalt oxide. In the early stage, due to technical reasons, its nominal voltage was only 3.5-3.6V, which was limited in terms of usage range. However, so far, with the continuous improvement of formula and structure, the nominal voltage of the battery has reached 3.7V, which has reached or exceeded the level of lithium cobalt oxide batteries in terms of capacity.

The world's top 5 battery cell brands, SANYO, PANASONIC, SONY, LG, and SAMSUNG, have launched ternary material batteries. A considerable number of notebook battery lines have replaced their previous lithium cobalt oxide batteries with ternary material batteries. In terms of cylindrical batteries, SANYO and SAMSUNG have completely ceased production of lithium cobalt oxide batteries and shifted to the manufacturing of ternary batteries. Currently, most small high rate power batteries at home and abroad use ternary cathode materials.


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