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Novel Activated Carbon for Supercapacitors – 50 g Package
Product Type: Supercapacitor Activated Carbon
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For material selection, package selection and specification confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
How does the pore size distribution between 2.4 and 3.2 nm affect the rate capability and energy density of supercapacitors using this activated carbon?
The 2.4–3.2 nm pore size (measured by BJH) places this carbon in the lower mesoporous range, which provides a favorable trade-off between high surface area (~2500 m²/g) and electrolyte ion accessibility. Pores at the lower end (2.4 nm) contribute to enhanced double-layer capacitance, while the upper end (3.2 nm) facilitates faster ion transport for improved rate capability, though the narrow distribution may limit performance with larger organic electrolyte ions. The high surface area and pore volume (0.3–0.7 cm³/g) together support both energy and power density.
How does the 99.9% purity and neutral pH (6.0–7.0) influence the electrochemical stability window and leakage current in supercapacitor devices?
The high purity (~99.9 wt% by EDS) minimizes metal contaminants and oxygen functional groups that can catalyze electrolyte decomposition, thereby widening the practical stability window and reducing self-discharge. The neutral pH (6.0–7.0) also avoids acidic or basic corrosion of aluminum current collectors, making this carbon compatible with both aqueous (e.g., 1 M H₂SO₄ or 1 M Na₂SO₄) and organic (e.g., TEABF₄ in acetonitrile) electrolytes commonly used in research supercapacitors.
What handling precautions are necessary when processing 1–10 µm activated carbon powder to avoid airborne contamination and ensure electrode homogeneity?
Due to the fine particle size (1–10 µm by SEM) and low apparent density (0.13–0.15 g/cm³), the powder is easily aerosolized and electrostatically charged. Handling should be performed in a fume hood or glovebox with proper grounding to prevent inhalation and cross-contamination. When preparing electrode slurries, the high specific surface area (~2500 m²/g) requires sufficient solvent and binder to achieve uniform dispersion, and the narrow pore size (2.4–3.2 nm) may necessitate vacuum degassing to ensure complete electrolyte wetting.
This activated carbon offers high surface area (~2500 m²/g) and optimized mesoporosity (2.4–3.2 nm) for supercapacitor electrodes, but its low apparent density (0.13–0.15 g/cm³) and broad particle size distribution (1–10 µm) require careful handling and additional processing for uniform electrode fabrication.
Positive
- High specific surface area: Surface area of ~2500 m²/g provides abundant active sites for electrochemical double-layer formation, directly enhancing specific capacitance in supercapacitor applications.
- Optimized mesoporous pore size: Pore size of 2.4–3.2 nm falls within the mesoporous range, facilitating rapid ion transport and efficient charge storage while maintaining high accessible surface area.
Trade-offs
- Low apparent density: Apparent density of 0.13–0.15 g/cm³ indicates a highly porous, lightweight powder that may be difficult to handle and requires careful compaction or binder optimization during electrode preparation.
- Broad particle size distribution: Particle size range of 1–10 µm (SEM) may lead to inconsistent packing and require additional sieving or milling to achieve uniform electrode films, especially in research-scale fabrication.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
