PVDF Binder (HSV900)

Description

1. Product Overview

The PVDF Binder (HSV900) is a high-purity polyvinylidene fluoride homopolymer engineered specifically for use as an electrode binder in lithium-ion battery manufacturing. Its primary industrial application lies in binding cathode active materials—such as NMC, LCO, and LFP—to current collectors in high-energy storage systems. The key value proposition is superior electrochemical stability, adhesion strength, and slurry processability, directly enabling higher energy density and longer cycle life. Strategically, HSV900 is a critical enabler for the EV and stationary storage megatrends, where binder consistency directly impacts cell rejection rates and overall battery performance.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Polyvinylidene fluoride homopolymer (PVDF), solvent-soluble grade

• Purity Level: ≥99.9% (low residual monomer, low metal ion content: Fe, Na, K, Ca each <5 ppm)

• Physical Form: White free-flowing powder

• Particle Size (D50): 2–5 µm (optimized for rapid dissolution in NMP)

• Density: 1.77–1.79 g/cm³

• Inherent Viscosity (IV): 0.95–1.15 dL/g in DMAc at 25°C

• Melting Point: 165–172°C

• Moisture Content: <0.08% (Karl Fischer)

• Packaging Options: 20 kg moisture-barrier bags (inner aluminum foil + PE), palletized and heat-shrink wrapped; 400 kg big bags available for high-volume lines

• Shelf Life: 24 months from manufacture when stored in original sealed packaging at <40°C / <60% RH

3. Core Industrial Applications

• Primary Industry: Advanced lithium-ion battery manufacturing (EV, consumer electronics, grid storage)

• Specific Use Cases:

  • Cathode slurries for NMC811, NCA, LFP, and LCO systems

  • High-voltage cathodes (≥4.3V) requiring oxidation resistance

  • Thick electrode coatings (>100 µm) demanding peel strength

• Performance Advantages vs. Alternatives (e.g., SBR/CMC, lower-viscosity PVDF grades):

  • Higher adhesion strength – Reduces delamination during calendering and cycling

  • Lower swelling in electrolyte – Maintains mechanical integrity over >2,000 cycles

  • Wider electrochemical window – Stable up to 5.0V vs. Li/Li⁺

• Efficiency/Cost Advantage: Enables lower binder loading (1.0–1.8 wt% vs. 2.5–3.0% for generic PVDF), reducing per-cell material cost while boosting energy density by 3–5%.

4. Competitive Advantages

• Quality Consistency: Batch-to-batch viscosity variation <±5% (ISO 9001:2025 certified; each batch includes FTIR and GPC traceability)

• Supply Reliability: Dual-source manufacturing (Asia + Europe) with 3-month rolling buffer stock in regional hubs (NL, SG, US)

• Logistics Capability: Ambient-temperature safe shipping; UN-certified packaging; 48-hour dispatch for contract customers

• Price Competitiveness: Tier-1 performance at 8–12% below incumbent premium brands (e.g., Arkema HSV900 equivalent pricing)

• Sustainability: Production uses 35% renewable energy; recyclable packaging; full REACH and RoHS compliance with PFAS use disclosure

• Technical Support: Free slurry rheology optimization guide + application engineer access via B2B portal; SDS, TDS, and COA downloadable in 12 languages

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 1 MT (metric ton)

• BULK 20MT Loading Capacity: 20 MT per standard 20-ft dry container (1,000 × 20 kg bags, palletized, 18 pallets/container)

• Lead Time: 15 days ex-warehouse (regional hub); 30 days FOB origin for non-contract orders

• Incoterms supported: EXW, FOB, CIF, DDP (subject to volume)