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Battery Grade CMC

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.


CMC FOR BATTERY battery grade cmc battery Grade CMC (2)
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.

Get A Quote Now!

Guided by our core principles of "People-oriented, Survival by quality, Development by credibility", Sentai remains committed to delivering enhanced product quality and elevated customer service excellence.
We cordially welcome domestic and international clients, both longstanding partners and new collaborators, to visit our facilities and engage in technical exchange, jointly advancing innovation in cellulose derivative applications.

CONTACT US

Tel:+86-731-57788978
Email:stcmc@xtsentai.com
WhatsApp:+8613638427867
Add:No. 275, Yingchun Rd., Wujiaxiang Industrial Park, Yisuhe, Xiangtan, Hunan Province, China

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