Method for improving morphology of continuously produced NCM precursor material
A precursor and morphology technology, applied in the direction of active material electrodes, structural parts, electrical components, etc., can solve the problems of difficult process particle size and shape control, wide particle size distribution of NCM precursors, and low production efficiency, achieving high efficiency and stability Excellent particle size distribution, product particle size and morphology indicators, and fast lifting speed
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0021] see Figure 1-3 , the present invention provides a technical solution: a method for improving the appearance of NCM precursor materials for continuous production, the equipment used in the method for improving the appearance of NCM precursor materials for continuous production includes: main kettle, auxiliary kettle, thickener, Inlet pipe, air inlet pipe and stirring device, the method for improving the morphology of NCM precursor material for continuous production comprises the steps:
[0022] S1: Check the airtightness of the reactor and supporting equipment, and after confirming that the airtightness of the device is good, use 0.20m 3 / h into N2 protective gas;
[0023] S2: Turn on the stirring frequency of the main tank to 120r / min, add the bottom solution (pure water or mother liquor) to 0.8m, raise the temperature to 50°C, add ammonia water to a concentration of 0.38mol / L, add liquid alkali until the pH is controlled at 12.2-12.4, Turn on the metal material liqu...
Embodiment 2
[0029] A method for improving the morphology of NCM precursor materials for continuous production, the equipment used in the method for improving the morphology of NCM precursor materials for continuous production includes: main kettle, auxiliary kettle, thickener, liquid inlet pipeline, inlet pipeline and stirring Device, the method for improving the morphology of the NCM precursor material for continuous production comprises the steps:
[0030] S1: Check the airtightness of the reactor and supporting equipment, and after confirming that the airtightness of the device is good, use 0.25m 3 / h into N2 protective gas;
[0031] S2: Turn on the stirring frequency of the main tank to 110r / min, add the bottom liquid (pure water or mother liquor) to 0.8m, raise the temperature to 52°C, add ammonia water to a concentration of 0.40mol / L, add liquid alkali until the pH is controlled at 11.0-11.2, Turn on the metal material liquid feed pump, adjust the flow rate to 250L / h, the reaction ...
Embodiment 3
[0037] A method for improving the morphology of NCM precursor materials for continuous production, the equipment used in the method for improving the morphology of NCM precursor materials for continuous production includes: main kettle, auxiliary kettle, thickener, liquid inlet pipeline, inlet pipeline and stirring Device, the method for improving the morphology of the NCM precursor material for continuous production comprises the steps:
[0038] S1: Check the airtightness of the reactor and supporting equipment, and after confirming that the airtightness of the device is good, use 0.25m 3 / h into N2 protective gas;
[0039] S2: Turn on the stirring frequency of the main tank to 100r / min, add the bottom solution (pure water or mother liquor) to 0.8m, raise the temperature to 52°C, add ammonia water to a concentration of 0.42mol / L, add liquid alkali until the pH is controlled at 11.8-12.0, Turn on the metal material liquid feed pump, adjust the flow rate to 300L / h, the reactio...
PUM
| Property | Measurement | Unit |
|---|---|---|
| pore size | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More