The method for preparing PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC field of aluminum-doped lithium nickel cobalt acid belongs to the technical field of lithium battery cathode material. It is characterized by the following steps: In the first step, soluble salt solution of nickel and cobalt, ammonia and alkali solution are added to the reaction kettle at the same time for co-precipitation reaction, and the nickel-cobalt hydroxide precursor is synthesized by controlling the process parameters in the preparation process.
In the second step, the nickel cobalt hydroxide precursor obtained in the first step is washed to a certain condition, and then soluble aluminum salt solution is added to it to control the process parameters during the reaction process, and the hydroxide precursor of nickel cobalt aluminum is synthesized. In the third step, the hydroxide precursor of nickel-cobalt-aluminum is evenly mixed with the LITHIUM source and sintered at 650-850℃ for 5-20 hours to obtain the aluminum-doped lithium nickel-cobaltate cathode MATERIAL, and the PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC magnetic removal is carried out.
The preparation method of PTMS LITHIUM COBALT ACID MATERIAL MAGNETIC can effectively control the shape, particle size and composition of the precursor, which is conducive to improving the performance of the anode material. The preparation process is simple, the cost is low, and the industrial production is easy. Nickel-cobalt-aluminum lithium battery, as a ternary lithium-ion battery, has been widely concerned because of its high energy density and cycle life.
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