High-temperature stability nickel cobalt lithium manganate composite electrode as well as preparation method and application thereof
A nickel-cobalt lithium manganate, high-temperature stability technology, applied in battery electrodes, circuits, electrical components, etc., can solve the problems of poor high stability and insufficient compaction density, and achieve small particle size, adjustable particle size, and particle size. uniform effect
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Embodiment 1
[0023] A preparation method of a high temperature stable nickel cobalt lithium manganate composite electrode, comprising the following steps:
[0024] S1. Lithium acetate, nickel sulfate, cobalt sulfate and manganese sulfate are mixed with mol ratio 1:0.47:0.2:033 to obtain mixture, in parts by weight, get 20 parts of mixtures and add in 100 parts of water to dissolve and obtain water phase;
[0025] S2. in parts by weight, get 100 parts of liquid paraffin and 10 parts of emulsifiers and mix, then add in the reaction vessel and stir with a rotating speed of 450r / min, then slowly add 10 parts of water phase to the reaction vessel, then add to the reactor Ammonia gas was continuously fed into the bottom, and after 12 hours of reaction, the precursor was obtained by filtration. The precursor was dried, and then calcined at 550 °C for 10 hours under the protection of inert gas to obtain a ternary compound;
[0026] S3. In parts by weight, add 0.7 part of aluminum nitrate to 10 par...
Embodiment 2
[0030] A preparation method of a high temperature stable nickel cobalt lithium manganate composite electrode, comprising the following steps:
[0031] S1. Lithium acetate, nickel sulfate, cobalt sulfate and manganese sulfate are mixed with mol ratio 1:0.47:0.2:033 to obtain mixture, in parts by weight, get 26 parts of mixtures and add in 100 parts of water and dissolve to obtain water phase;
[0032] S2. in parts by weight, get 100 parts of cyclohexane and 8 parts of emulsifiers and mix, then add in the reaction vessel and stir with a rotating speed of 600r / min, then slowly add 15 parts of water in the reaction vessel, then add to the reaction vessel Ammonia gas was continuously fed into the bottom of the vessel, and after 12 hours of reaction, the precursor was obtained by filtration, dried, and then calcined at 530 °C for 9 hours under the protection of inert gas to obtain a ternary compound;
[0033] S3. In parts by weight, add 0.7 part of aluminum nitrate to 10 parts of wa...
Embodiment 3
[0037] A preparation method of a high temperature stable nickel cobalt lithium manganate composite electrode, comprising the following steps:
[0038] S1. Lithium acetate, nickel sulfate, cobalt sulfate and manganese sulfate are mixed with mol ratio 1:0.47:0.2:033 to obtain a mixture, in parts by weight, get 30 parts of mixtures and add in 100 parts of water and dissolve to obtain a water phase;
[0039] S2. in parts by weight, get 100 parts of kerosene and 12 parts of emulsifiers and mix, then add to the reaction vessel and stir at a rotating speed of 300r / min, then slowly add 13 parts of water phase to the reaction vessel, then to the bottom of the reactor Ammonia gas was continuously introduced, and the precursor was obtained by filtration after reaction for 12 hours. The precursor was dried, and then calcined at 540 °C for 8 hours under the protection of inert gas to obtain a ternary complex;
[0040] S3. In parts by weight, add 0.7 part of aluminum nitrate to 10 parts of ...
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