High-Surface-Area Activated Carbon

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High-Surface-Area Activated Carbon

The Importance of High-Surface-Area Materials

High-Surface-Area Activated Carbon

Supercapacitors have become a hot research topic in energy storage systems due to their fast charge and discharge speed and high power density. Carbon materials, especially sp2 hybrid carbon materials, have become important electrode materials for energy storage devices due to their special layered structure and large specific surface area. Carbon materials such as activated carbon, porous carbon, and graphene have been widely used in lithium ion batteries. Supercapacitors are currently made of carbon-based materials with a large specific surface area.

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Accelerate Research and Practice of High-Surface-Area Activated Carbon

Carbon materials have received extensive attention in gas storage, catalyst supports and electrode materials due to their high surface area, good electrical conductivity, proper pore size distribution (PSD), excellent physical and chemical stability, low cost and easy preparation. In particular, due to its high surface area (> 1000 m2/g), large pore volume (> 0.5 cm3/g), easy synthesis and relatively low price, activated carbons (ACs) are the most commonly used materials. The high specific surface area of ACs material causes its macroscopic appearance to be particularly fluffy. Adding a small amount will significantly improve the performance of downstream applications.

High-Surface-Area Activated CarbonFigure 1. Activated carbon fiber prepared from abundant sisal material has good application in supercapacitors. (Li M. L, et al. 2019)

High-Surface-Area Activated CarbonFigure 2. Carbonization of asphalt with potassium hydroxide (KOH) at high temperatures (>600 °C) yields porous carbon materials with high surface areas of up to 2780 m2/g. (Li M. L, et al. 2019)

Alfa Chemistry has the ability to produce activated carbon materials and other carbon materials with a specific surface area of more than 1000 m2/g. The prepared high-surface-area activated carbon and other carbon materials can be used for lithium battery supercapacitor electrodes and silicon carbon negative electrodes, thereby improving the overall performance of the battery.

What Can We Do?

  1. We provide customers with self-developed activated carbon materials and other carbon materials with a large specific surface area, and provide sufficient products according to demand.
  2. We can customize carbon materials with specific surface areas according to customers' requirements.
  3. We customize and design a complete high-surface-area activated carbon production line for customers.

Alfa Chemistry Services for High-Surface-Area Materials

High-Surface-Area Activated Carbon Preparation

Technology and Instrument Platform

Chemical vapor deposition (CVD), graphene modification, water vapor activation, CO2 activation, KOH activation and other technologies.

SEM, TEM, AFM, XPS, ICP-OES, ICP-MS, EDS, Raman spectroscopy, surface area and porosity analyzer and other detection platforms.


High-Surface-Area Activated Carbon


  1. Li M. L, et al. (2019). "Activated Carbon Fiber Derived from Sisal with Large Specific Surface Area for High-Performance Supercapacitors." ACS Sustainable Chemistry & Engineering. 7(5), 4716-4723.
  2. Jalilov A. S, et al. (2015). "Asphalt-derived high surface area activated porous carbons for carbon dioxide capture." ACS Applied Materials & Interfaces. 7(2), 1376-1382.
Our products are for research use only and cannot be used for any clinical purposes.

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