PVDF Binder NMP-Based (Cathode Grade)
CAS Number: 24937-79-9
NMP-soluble polyvinylidene fluoride (PVDF) binder is the industry standard for NMC, NCA, LCO, and LFP cathode slurry formulation, providing excellent adhesion to aluminum current collectors, chemical resistance to electrolyte solvents, and electrochemical stability up to 4.6V. High molecular weight grades offer superior cohesive strength in thick electrode coatings.
Technical Specifications
| appearance | White powder |
| purity (%) | ≥99.5 |
| F content (%) | 59.4–59.6 |
| moisture (ppm) | ≤500 |
| molecular weight (g/mol) | 800,000–1,200,000 |
| viscosity (mPa·s, 5% in NMP) | 800–2500 |
Applications
- NMC/NCA/LCO/LFP cathode slurry binder
- High-energy-density thick electrode formulation
- Separator PVDF coating for wettability improvement
- Anode binder for LTO batteries
- Solid-state battery electrode binder
Key Features
- High Mw (800K–1.2M g/mol) provides superior cohesive strength for thick cathode coatings
- Excellent electrochemical stability up to 4.6V, compatible with high-voltage NMC811
- Low moisture content prevents NMP absorption and viscosity drift during slurry mixing
- Multiple viscosity grades available for customized electrode loading optimization
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