Battery-Grade Carboxymethyl Cellulose (CMC)
High-Performance Binder for Lithium-Ion Battery Electrodes
Revolutionizing Battery Performance
Sentai Bio-Tech’s battery-grade CMC is an ultra-pure, anionic polymer engineered as a critical binder for lithium-ion battery electrodes. With exceptional adhesion, electrolyte stability, and eco-friendly properties, it enables next-generation energy storage solutions for EVs, consumer electronics, and renewable energy systems.
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| Cmc For Battery | Battery Grade Cmc | battery Grade CMC |
Key Advantages in Battery Manufacturing
Superior Electrode Integrity
• Forms strong, flexible bonds between active materials (e.g., Si-anodes, NMC cathodes) and current collectors, reducing cracking during charge cycles.
• Enhances mechanical strength by 40% vs. traditional binders, extending cycle life.
Optimized Ionic Conductivity
• Minimal impedance with electrolyte (EC/DMC solvents), enabling faster ion transfer and improved rate capability.
• Uniform distribution of conductive additives (e.g., carbon black).
Eco-Efficient Processing
• Water-soluble: Replaces toxic NMP solvents used with PVDF binders, slashing VOC emissions and costs.
• Low ash content (<0.1%): Prevents side reactions in cells.
Electrochemical Stability
• Withstands voltages up to 4.5 V vs. Li/Li⁺ and temperatures from -20°C to 80°C.
• Inhibits electrolyte decomposition at high voltages.
Technical Specifications



Applications in Battery Systems
1. Anode Binder
• Silicon-Dominant Anodes: Accommodates >300% volume expansion.
• Graphite Anodes: Enhances adhesion and reduces delamination.
2. Cathode Binder
• High-Ni NMC/LFP: Stabilizes structure during deep cycling.
• Sulfur Cathodes: Mitigates polysulfide shuttling.
3. Solid-State Batteries
• Compatible with ceramic/polymer hybrid electrolytes.
Certifications & Compliance
• ISO 9001: Quality Management
• IATF 16949: Automotive Quality Management Systems
• lSO 14001: Environmental Management
Why Sentai’s Battery-Grade CMC?
✅ Ultra-Low Impurities – Maximizes cell energy density and longevity.
✅ Custom Formulations – Tailored viscosity, DS, and particle size for specific electrode designs.
✅ Supply Chain Security – 10,000-ton annual capacity, global logistics.
✅ R&D Partnership – Sentai in accordance with the production processes of the battery industry and the specific performance requirements of product use, collaborates with universities and specialized chemical energy laboratories for continuous research and development. This collaboration aims to improve and introduce new generations of battery-grade products.
✅ Replace Imported CMC – The product has the characteristics of low additive amount, good stability, and excellent processing performance. Through application testing and comparison with imported CMC used by domestic battery industry users, it is evident that our company's product offers a high cost-performance ratio and demonstrates excellent performance in use.
Performance Comparison
Property | Sentai CMC | Conventional PVDF |
Solvent | Water | Toxic NMP |
Processing Cost | 30% lower | High VOC handling |
Adhesion Strength | 18–22 N/m | 12–15 N/m |
Cycle Life (Si-anode) | +200 cycles | Baseline |
Power the Future with Sentai!
Elevate your battery performance with our cutting-edge CMC technology. Request samples and technical data today.
