Nickel-cobalt-manganese for mobile battery cells

Introduction Nickel-cobalt-manganese in mobile battery cells comes in second: it's the battery used in what everyone thinks is the best power solution: the nickel-cobalt-manganese polymer battery, also known as the name of ternary material (LiNiCoMnO2).

Nickel-cobalt-manganese for mobile battery cells

Second: This is the battery cell used in what everyone thinks is the best power solution: the polymer battery cell.

Nickel-cobalt-manganese , also known as ternary material (LiNiCoMnO2), is a polymer. Lithium-ion battery type, the most common shape is a soft square shape. Note that lithium cobalt oxide can also be made into square shape, but it is hard after molding and can be distinguished by pinching it with hands.

With the popularity of smartphones, ternary materials have developed rapidly in the past two years and are used in more and more fields. It uses nickel salt, cobalt salt and manganese salt as raw materials, and the ratio of nickel, cobalt and manganese can be adjusted according to actual needs.

The battery with ternary material as the positive electrode is safer than the battery withu lithium cobalt oxide and has a longer service life than lithium cobalt oxide, reaching a service life of 500 times.

Main advantages: diversified volume, very wide range of use, difficult to explode, high safety factor.

Main disadvantages: higher price, environmental pollution after disposal, and poor high-current charging and discharging performance.

Polymer batteries are not divided into domestic, imported or dismantled batteries like 18650 batteries. They are divided into three grades, namely A grade, B grade and C grade

< p>Grade A Polymer. Battery Cells

Grade A polymer batteries are new polymer batteries of the highest quality. They are usually customized by battery manufacturers for customers. They have relatively high quality requirements and all parameters comply with the standards.s. without any anomaly. Generally, mobile power supplies from major manufacturers use A-grade batteries.

B-grade polymer batteries

During the production process of this type of batteries, for some reasons, Some products may have defects in appearance, capacity, voltage or other parameters. There are some problems, these products are called B products. Also, if the A grade battery cells have been in stock for too long, such as in the case of products that have not been shipped for 3-6 months, they are usually also called Grade B batteries. There is almost no difference between Product B and Product A in the first 1-2 months of use. After 2 months, the capacity and cycle times will decrease sharply

Product C polymer battery cells

This type of grade C battery cells are like the products disassembled cells of b18650 battery. These are generally obsolete batteries of very poor quality. They usually fail in terms of appearance, capacity, voltage and other indicators. Such products pose potential safety risks. The mobile power supplies they produce not only have capacity issues, but can also damage digital devices.

Of course, when you buy a mobile power supply, you can only know what type of battery cell is used, and you can only know whether it is a polymer or a lithium-ion 18650. . But we have no way of knowing the quality of the batteries used inside, and merchants certainly won't tell you if the batteries they use are substandard. They will definitely say that the batteries they use are new and of the best quality. But this is not the case. With the current chaos in the food marketmobile power supply, the best way to buy good quality mobile power is to buy a major brand. At the same time, do not trust those who offer low prices and high capacity.

The battery is Ternary lithium battery.

The full name of ternary lithium battery is “lithium ion secondary battery whose positive electrode material uses ternary polymers such as lithium-nickel-cobalt manganate or "lithium-nickel-cobalt aluminate", where ternary refers to It is a polymer containing three metallic elements: nickel (Ni), cobalt (Co), manganese (Mn) or aluminum (Al), which is used as positive electrode in ternary lithium batteries. Lithium refers to an electrolyte of which the electrolyte is mainly lithium hexafluorophosphate and the negative electrode material is generally graphite. Ternary lithium batteries prhave the advantages of high life, high energy density and high activity, but they also have the disadvantage of being prone to thermal failure, once overcharged they are prone to crystallization , battery separator puncture, short circuit or short circuit. generate a large amount of waste heat for combustion.

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