Battery powder materials
Conductive Carbon Black Super P Li Battery Grade Conductive Additive Powder for Lithium Ion Electrodes
Item Number : CL24
Price varies based on specs and customizations
- BET Specific Surface Area
- 62 ± 5 m²/g (Typical: 63 m²/g)
- Absorption Value (DBP)
- 32 ± 2 mL/5g (Typical: 31.5 mL/5g)
- Trace Iron (Fe) Content
- Max 10 ppm (Typical: 2.1 ppm)
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Product Overview
This high-purity conductive carbon black powder serves as an industry-standard conductive additive engineered specifically for energy storage systems and high-rate electrochemical applications. By forming an interconnected, three-dimensional electron-transport network across cathode and anode matrices, the material drastically reduces internal cell impedance, enhances rate capability, and maximizes active material utilization in advanced secondary batteries.
Optimized for both commercial cell manufacturing and laboratory research, this conductive additive is universally compatible with common battery chemistries, including lithium iron phosphate (LFP), nickel manganese cobalt oxides (NMC), lithium cobalt oxide (LCO), lithium titanate (LTO), and silicon-graphite composite anodes. Beyond standard lithium-ion systems, the powder is extensively adopted across supercapacitors, sodium-ion cells, solid-state batteries, and specialty conductive polymer compounds.
Manufactured under tight quality standards, the material features an exceptionally low metallic impurity profile, strictly controlled volatile content, and minimal moisture levels. These characteristics ensure chemical passivity against electrolyte decomposition, eliminate local micro-shorting hazards, and provide consistent rheological behavior during electrode slurry processing, yielding uniform coating morphology and long-term cycling stability.
Key Features
- Optimized Specific Surface Area: Features a balanced BET surface area of 62 ± 5 m²/g (typical value 63 m²/g), providing the ideal compromise between extensive conductive contact area and manageable binder consumption without causing slurry gelation.
- Controlled Aggregate Structure: Exhibiting a specialized branched chain architecture with an absorption value of 32 ± 2 mL/5g, this additive establishes robust long-range electron percolation paths throughout the electrode layer even at minimal loading fractions.
- Ultra-Low Metallic Impurity Profile: Controlled to a rigorous specification of under 10 ppm iron (typical 2.1 ppm) and under 0.1 ppm nickel, minimizing the risk of dendritic micro-shorting, excessive self-discharge, and unwanted catalytic breakdown of liquid electrolytes.
- Minimal Moisture and Volatiles: With moisture content limited to ≤0.1% (standard max 0.3%) and volatile fractions below 0.11% (standard max 0.15%), the powder eliminates unwanted side reactions during high-voltage operation and prevents degassing during high-temperature cell aging.
- Favorable Alkaline pH Chemistry: Operating within an alkaline range of pH 8 to 11 (typical 9.2), this material helps buffer acidic trace components, preventing current collector corrosion and maintaining the chemical integrity of PVDF and water-based binder networks.
- Low Bulk Density for Rapid Dispersion: Engineered with a controlled loose bulk density of 160 ± 20 kg/m³, the powder breaks down rapidly under standard planetary or high-shear mixing, avoiding recalcitrant agglomerates and ensuring homogeneous distribution.
- Broad Rheological Compatibility: Seamlessly incorporates into both non-aqueous (N-methyl-2-pyrrolidone / PVDF) and aqueous (water / SBR-CMC / polyacrylic acid) slurry systems with stable viscosity profiles and resistance to shear thinning breakdown.
- High-Rate Electronic Transport: Delivers low contact resistance across active material grain boundaries, dramatically improving C-rate discharge performance and low-temperature kinetic responsiveness in high-power battery designs.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Lithium-Ion Battery Cathodes | Blended with active materials such as NMC811, LFP, and LCO in slurry formulations alongside PVDF binder. | Forms a continuous conductive matrix that reduces cathode polarization and optimizes rate capability during rapid discharge. |
| Silicon-Graphite Anodes | Formulated into high-capacity composite anodes subject to significant volumetric expansion during lithiation. | Maintains continuous electrical contact across expanding silicon particles, mitigating capacity fade over prolonged cycling. |
| Next-Generation Solid-State Batteries | Distributed into solid composite cathode matrices alongside solid electrolytes (sulfide, oxide, or polymer types). | Lowers interparticle contact resistance across rigid solid-solid interfaces without degrading electrochemical stability windows. |
| Sodium-Ion and Potassium-Ion Cells | Used as the primary conductive agent for hard carbon anodes and layered oxide / Prussian blue analogue cathodes. | Accommodates larger ionic radii insertion dynamics by ensuring fast electron exchange at the active material interface. |
| Electrochemical Supercapacitors | Compounded with high-surface-area activated carbon or pseudocapacitive metal oxides on aluminum current collectors. | Lowers equivalent series resistance (ESR) and improves high-frequency response in pulse-power energy storage systems. |
| Primary Lithium Battery Chemistries | Incorporated into lithium-manganese dioxide (Li-MnO2) and lithium-thionyl chloride (Li-SOCl2) cell formulations. | Prevents cathode passivation and maximizes pulse current discharge reliability over multi-year operational lifespans. |
| Conductive Polymers and Antistatic Coatings | Compounded into thermoplastic elastomers, epoxy matrices, and ESD-safe packaging films. | Imparts permanent antistatic properties and electrostatic dissipation capability at low percolation thresholds without compromising mechanical strength. |
| Fuel Cell Catalyst Layers | Dispersed alongside platinum-group metal catalysts in proton exchange membrane (PEM) electrode layers. | Enhances catalyst layer electronic conductivity and mass transport porosity for optimized oxygen reduction reaction kinetics. |
Technical Specifications
| Parameter | Unit | Specification Standard | Typical Value (Item Code: CL24) |
|---|---|---|---|
| Apparent Bulk Density | kg/m³ | 160 ± 20 | 160 |
| Specific Absorption (DBP) | mL / 5g | 32 ± 2 | 31.5 |
| BET Specific Surface Area | m²/g | 62 ± 5 | 63 |
| Moisture Content | wt% | Max 0.3 | 0.10 |
| Total Sulfur (S) | wt% | Max 0.03 | 0.009 |
| Volatile Matter | wt% | Max 0.15 | 0.11 |
| Total Ash Content | wt% | Max 0.05 | 0.01 |
| Trace Iron (Fe) | ppm | Max 10 | 2.1 |
| Trace Nickel (Ni) | ppm | — | 0.1 |
| pH Value | — | 8.0 – 11.0 | 9.2 |
Why Choose This Product
- Exceptional Batch-to-Batch Uniformity: Synthesized under tightly regulated thermal cracking conditions to ensure identical surface area, structure, and chemical purity across production lots, eliminating variations in slurry viscosity and coating thickness.
- Critical Metallic Contaminant Control: Rigorous purification protocols limit transition metal impurities like iron and nickel to sub-ppm thresholds, preventing cell micro-shorting and catastrophic self-discharge in critical industrial and automotive battery cells.
- High Structural Efficiency at Low Additive Loadings: The specialized branched carbon aggregate morphology creates resilient conductive pathways at lower weight percentages, preserving higher active material mass ratios for maximum cell energy density.
- Full Slurry Chemistry Versatility: Demonstrated chemical compatibility with both organic NMP-based systems and green, aqueous binder platforms ensures effortless integration into existing commercial electrode casting production lines.
Contact our technical sales team today to request volume pricing, sample lots, or comprehensive application support for your energy storage manufacturing requirements.
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