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VL-2230 is a highly efficient functional dispersant. With a small addition amount (0.03%-0.08%), it has excellent effects in reducing viscosity, stabilizing viscosity and enhancing solid content. When applied to the dispersion of lithium iron phosphate and carbon materials in the cathode of lithium batteries, it can significantly reduce the viscosity of the lithium iron phosphate slurry, increase the solid content of the slurry and improve the storage stability of the slurry.
Working Mechanism
VL-2230 is a high-molecular polymer dispersant. Amide-modified polymer structure solvents can rapidly wet the positive electrode and conductive agent. Meanwhile, the nitrogen-containing groups carry lone pairs of electrons, and the carbon coating on the surface forms local large π bonds that rapidly adsorb and anchor on the surface of the positive electrode and the conductive agent. Through steric hindrance and electrostatic repulsion effects, it effectively stabilizes the particles. Avoid the secondary agglomeration of particles and achieve a stable adhesion effect.
Technical Specifications
| Technical Specifications of Cathode Dispersant VL-2230 | ||
| physical property | Unit | Numerical value |
| Appearance | \ | Colorless or pale yellow transparent liquid |
| Solid Content | % | 17.00-19.00 |
| Viscosity | mPa.s | ≤3000 |
| pH | \ | 10-14 |
| Moisture content | % | ≤1.0 |
Product Advantages
1. The addition amount is small (0.03%-0.08%), effectively improving the wetting performance and the dispersion performance of the slurry;
2. Reduce the viscosity of LFP cathode slurry, improve the fluidity and viscosity stability of the slurry;
3. Increase the solid content of LFP slurry (by 3% to 5%) to improve processing performance.
4. Low resistivity and excellent electrochemical performance.
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