Acetylene Black Battery Grade (Shawinigan-Type)
CAS Number: 1333-86-4
Battery-grade acetylene black (AB) has a highly crystalline graphitic microstructure and high purity (>99.5% carbon) with very low ash and sulfur content, making it ideal for demanding battery electrode applications. Its good electrical conductivity and moderate surface area balance performance with slurry processability.
Technical Specifications
| ash (%) | ≤0.05 |
| appearance | Black powder |
| S content (ppm) | ≤50 |
| carbon content (%) | ≥99.5 |
| BET surface area (m²/g) | 60–80 |
| DBP absorption (mL/100g) | 150–200 |
Applications
- Primary lithium battery (Li/MnO2) cathode conductive additive
- LFP cathode conductive agent alternative to C65
- Dry cell and alkaline battery electrode additive
- Electrochemical capacitor carbon additive
- Conductive polymer composite filler
Key Features
- Highest purity (>99.5% C) among commercial carbon blacks, minimizing electrode contamination
- Very low sulfur (<50 ppm) prevents H2S generation and copper corrosion in cells
- Semi-graphitic crystallinity provides better long-term electrochemical stability
- High compression density facilitates electrode calendering to target porosity
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