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Lithium batteryPositive (negative)
Polar mud Preparation (negative)
extremely active material, conductive agent, adhesive Positive electrode (negative electrode) such as chemical agent
When polar substances are mixed in In the same mixing process, the battery active material materials and auxiliary materials are mixed. They are highly dispersed in the solvent to form a Newtonian high-viscosity fluid, so that the active material, conductive agent, adhesive and other additives are fully mixed and uniformly dispersed.

The main points of mixing polymer lithium battery materials:

1. No water can enter the positive electrode;
2. The equipment is dry, and the humidity in the room is controlled;

3. The original data should satisfy the process requirements, such as the data variety, type, increase amount of each component, etc.;

4. The dissolution process of PVDF is relatively slow. PVDF needs to be dissolved in NMP before pulping. CMC is also a difficult solution. CMC should be dissolved in water before pulping; PVDF and CMC should be completely dissolved and evenly dispersed. If there is a granular binder or thickener, you must increase the mixing time or modify the mixing process;

5. After adding the conductive agent and active materials, the slurry should be uniform, without gathering particles, and eliminate air bubbles in the slurry. Positive viscosity: 4000-10000mpa. S. Negative viscosity: 1500MPa. The viscosity and solid content of the slurry are very important to the coating process.

Guangdong Yuyang New Energy Co., Ltd.   Focus on new energy industry,Lithium batterypool< /a>, energy storage battery, power battery