Ternary materials for lithium ion batteries

Ternary materials for lithium-ion batteries are lithium ion battery technology in the development of a new type of cathode materials for lithium-ion batteries, because of its comparative advantage, ternary lithium-ion battery materials showed broad prospects on the application in the market.
Cathode material for lithium-ion battery from lithium to lithium cobalt oxide, manganese oxide, ternary material into three types (In addition to the dynamic type of lithium iron phosphate), So-called ternary materials for lithium-ion batteries is nickel, cobalt, and manganese salts as raw material, nickel and cobalt and manganese are three elements (ternary) battery cathode materials made of mixed in different proportions. 
The advantages of lithium cobalt oxide significantly, but the high price of Cobalt metal, has the advantages of lithium manganese oxide ratio performance, low cost, high temperature resistance and poor performance, ternary material for lithium-ion battery is integrated the advantages of both aimed at the highest ratio of cost and performance.
Ternary lithium battery materials are divided into two stages, the first stage is the precursor preparation of ternary materials, including the synthesis of mixture of nickel, cobalt and manganese ions, and precipitants of mixed liquid precipitation reactions and aged, washed, filtered, dry second stage is preparation of ternary lithium-ion battery materials, including lithium salt and mixing, milling and interning process of precursor.
According to the three elements in the mixed in varying proportions, at present, the commercialization of ternary materials for lithium-ion batteries are: (1)1LiNi1/3Co1/3Mn1/3O2、(2LiNi0.4)Co(0.2)Mn(0.4)O23LiNi(0.5)Co(0.2)Mn(0.3)O2.
Among them, the first is the best, in this ternary materials for lithium-ion batteries at different temperature and structural changes of magnification smaller, has better stability, because the replaced part with a nickel-manganese-cobalt materials, which has a comparative cost advantage, but LiNi(0.4)Co(0.2)Mn(0.4)O2LiNi(0.5)Co(0.2)Mn(0.3)O2 because of less cobalt prices cheaper, but the disadvantage is that stability decreases, are also part of the nickel to trivalent form, poorly controlled more easily absorb water, also affect the stability of batteries. 
Overall, the comparative advantages of ternary materials for lithium-ion batteries: high capacity, long cycle life, good safety performance, low price, which comes from the synergy of the three elements: cobalt caution mixture can be reduced, stability of layered structure; nickel can improve the capacity of and manganese can reduce costs and increase security.
Since the technology is still in development, current ternary materials for lithium-ion batteries also have two disadvantages: first are the relatively low platforms, the second is the first low efficiency. However, attracted by the strong comparative advantage, a growing number of battery suppliers became interested in ternary lithium-ion battery materials, preparing or had already begun to ternary materials of lithium battery manufacturer.
Person: Tim.lee
Company: Dongguan Large Electronics Co., Ltd
Add: Block A, Gaosheng Technology Zone, Nancheng District, Dongguan City, Guangdong Province, CN
Tel: 86-769-23182621
Email: Tim.lee@largepower.cn


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