Conductive Carbon Black Super C45 Battery Grade
CAS Number: 1333-86-4
Super C45 carbon black is a medium-surface-area (BET ~45 m²/g) conductive additive offering a balance of conductivity and electrolyte absorption in cathode slurries. Its lower oil absorption versus C65 reduces slurry viscosity, making it preferred for high-solid-loading electrode formulations and high-speed coating lines.
Technical Specifications
| ash (%) | ≤0.1 |
| appearance | Black powder |
| moisture (%) | ≤0.1 |
| BET surface area (m²/g) | 40–50 |
| DBP absorption (mL/100g) | 140–170 |
| primary particle size (nm) | 40–55 |
Applications
- High-solid-loading cathode electrode (NMC/LFP) formulation
- High-speed slot-die coating slurry additive
- LFP power cathode conductive network
- Anode slurry co-conductive agent with CNT
- Thick electrode (>100 μm) formulation
Key Features
- Lower BET vs C65 reduces irreversible binder consumption in cathode slurries
- Moderate structure enables lower viscosity slurries for high-speed coating processes
- Consistent particle size distribution reduces coating defects and improves uniformity
- Ultra-low metal impurities (<10 ppm total metals) meets automotive cell specifications
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