Battery Grade CMC is a high-purity cellulose derivative serving as a critical binder and thickener in advanced battery formulations.
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Engineered to enhance electrode performance and electrochemical stability, this grade enables longer cycle life and improved safety in lithium-ion, lead-acid, and next-generation battery systems. Its ultra-low impurity profile prevents unwanted reactions at electrode interfaces, while its unique molecular structure balances adhesion strength with ionic conductivity. Compliant with strict electronic material standards, it supports the production of high-energy-density batteries for automotive, consumer electronics, and energy storage applications.
Parameter | Specification |
Appearance | White ultra-fine powder |
Viscosity (1% solution, 25°C) | 2000–6000 mPa·s |
Degree of Substitution (DS) | 0.8–1.0 |
Purity (dry basis) | ≥99.9% |
Metallic Impurities | ≤5 ppm (Fe, Cu, Ni total) |
Moisture Content | ≤5.0% |
pH Value (1% solution) | 6.0–7.0 |
Ultra-High Purity: ≥99.9% purity and ≤5 ppm metallic impurities prevent electrode corrosion and capacity fade, extending battery cycle life by 20–30%.
Electrochemical Stability: Maintains structural integrity in organic electrolytes, withstanding voltages up to 4.5V without degradation.
Optimal Binder Strength: Balances electrode cohesion with flexibility, reducing active material shedding during charge-discharge cycles.
Ionic Conductivity Enhancement: Facilitates lithium-ion transport through electrode networks, improving rate capability in high-power applications.
Lithium-Ion Batteries: Acts as a binder in both anode (graphite) and cathode (NCM, LFP) formulations, improving electrode integrity.
Lead-Acid Batteries: Enhances paste stability and plate adhesion, extending service life in automotive and stationary storage systems.
Solid-State Batteries: Supports electrolyte dispersion and interface bonding in next-generation battery architectures.
Q: How does Battery Grade CMC interact with other battery additives?
A: It exhibits excellent compatibility with SBR latex, carbon black, and ceramic coatings, forming synergistic networks that enhance performance.
Q: What impact does moisture content have on battery performance?
A: The ≤5.0% moisture specification prevents gas evolution during battery formation, critical for maintaining cell safety and capacity.
