Battery Binder CMC Materials – C3000
PRODUCT PARAMETERS
Description
Battery Binder CMC C3000 – High-Purity Carboxymethyl Cellulose for Li-Ion & Supercapacitor Research
The binder is an inactive yet essential component in lithium-ion battery electrodes. Its primary function is to bond the electrode active material, conductive agent, and current collector together, ensuring overall connectivity and reducing electrode impedance. This contributes directly to battery performance, cycle life, and safety.
CMC C3000 is a high-purity sodium carboxymethyl cellulose (CMC) binder specifically designed for battery research and development. It is widely used in the preparation of anodes and cathodes for lithium-ion batteries and supercapacitors, particularly in water-based electrode slurries.
Key Features:
- High Purity: ≥99.5% purity ensures minimal contamination and consistent electrochemical performance.
- Low Impurity Content: Strictly controlled levels of arsenic, heavy metals, lead, and mercury.
- Optimal Viscosity: 3000–4000 mPa·s (1% water solution, 25°C) provides excellent binding and coating properties.
- Controlled pH: 6.5–8.0 (1% water solution) suitable for stable slurry preparation.
- Low Sodium Chloride: ≤0.40% NaCl content prevents corrosion issues.
- Consistent Quality: Manufactured under strict quality control with comprehensive test methods.
Typical Applications:
- Lithium-ion battery anode binder (often combined with SBR)
- Lithium-ion battery cathode binder for specific formulations
- Supercapacitor electrode preparation
- Water-based electrode slurry systems
- Laboratory R&D of new electrode materials and formulations
Technical Specifications – CMC C3000
| Item | Unit | Min. Value | Max. Value | Test Method |
|---|---|---|---|---|
| Purity (in dry condition) | % | 99.5 | – | CE-55.4 |
| Arsenic | ppm | – | 0.2 | CE-93.1 |
| Heavy Metal Content | ppm | – | 10.0 | CE-93.1 |
| Lead Content | ppm | – | 2.0 | CE-93.1 |
| Mercury Content | ppm | – | 1.0 | CE-93.1 |
| Water Content (in bag) | % | – | 8.0 | CE-7.1 |
| Sodium Carboxy Acetic Acid | % | – | 0.40 | CE-50.1 |
| pH (1% water solution) | – | 6.5 | 8.0 | CE-8.1 |
| Plate Test | CFU/g | – | 1000 | CE-92.1 |
| Sodium Chloride Content | % | – | 0.40 | CE-15.5 |
| Na Content | % | 6.5 | 9.5 | CE-59.5 |
| Replacement | – | 0.65 | 0.85 | CE-28.4 |
| Sulfate | % | 20.0 | 33.3 | CE-66.1 |
| Total Salt Content (dry condition) | % | – | 0.50 | CE-15.4 |
| Viscosity (25°C, dry condition, 1% solution) | mPa·s | 3000 | 4000 | CE-5.15 |
| Viscosity (LVT viscometer, #4 rotor, 30 rpm) | mPa·s | 3000 | 4000 | CE-5.15 |
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