Characterization method for dispersibility of battery conductive paste

Characterization method of battery conductive paste dispersibility_analytical method

The particle surface property analyzer analyzes the dispersibility by the specific surface area of ​​the particles in a solvent. The larger the specific surface area, the better the dispersibility, and the specific surface area refers to the total area (wet specific surface area) in contact with the solvent. The method can also monitor the dispersibility of the particles in real time, and the performance of the dispersant can be evaluated by this method to optimize the formulation of the slurry.
The specific surface area of ​​the battery material is particularly important. The specific surface area has a great influence on the preparation of the slurry and the coating of the pole piece, and has a great influence on the first coulombic efficiency and cycle performance of the battery. The porosity is also important for high rate charge and discharge. The effect, ultimately affecting the cycle life of the battery (such as graphite specific surface area is too large, resulting in excessive capacity loss for the first time, reducing the service life. And the addition of more binder, resulting in increased internal resistance)

energy

The manufacturing process of the battery pack;

The performance of solar cell photosensitive particles;

Fuel cell production cost control

Application case - graphene dispersion effect test

This method can effectively evaluate the dispersion effect of the dispersant on a specific substance.

Specific surface area test use and function: It can quickly measure and analyze the surface of particles as small as nanometer size in suspension.
Main properties of particle surface analyzer:
1) The sample does not need to be diluted and no pretreatment is required;
2) directly measuring the contact area of ​​the material with the liquid in the suspended state;
3) The measurement results are obtained in a few minutes;
4) High degree of automation, easy to use, no training required.