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Nanotechnology

Breakthrough in Nanoarchitectonics: Lanzhou University of Technology Researchers Develop High-Performance Carbon-Based Materials

Strategic Insights

— 2 min read

Researchers at Lanzhou University of Technology have made a significant breakthrough in the field of nanoarchitectonics, developing high-performance carbon-based materials that can be used as double-layer capacitors. According to a recent study published in the Journal of Electroanalytical Chemistry, the team created a series of porous carbon-based materials through a low-temperature pyrolysis strategy, which resulted in materials with sub-nanometer micropores and mesopores. These materials exhibited excellent storage capacity, with one sample, C-IPN700, showing a microporous specific surface area of up to 1168.268 m^2 g^-1 and a storage capacity of 358 F g^-1 at 0.5 A g^-1.

Key Takeaways:

  • The researchers developed a fully interpenetrating polymer network (IPN) precursor constructed with two molecular chains (o-Phenylenediamine-formaldehyde/potassium polyacrylate), which was then pyrolyzed at different temperatures to create a series of porous carbon-based materials.
  • The team discovered that the carbonization temperature had a significant impact on the structural evolution and electrochemical properties of the carbon materials, with the optimal temperature found to be 700 degrees C.
  • The resulting materials showed excellent storage capacity, with one sample, C-IPN700, exhibiting a microporous specific surface area of up to 1168.268 m^2 g^-1 and a storage capacity of 358 F g^-1 at 0.5 A g^-1.
  • The researchers also found that the materials showed high energy density, with C-IPN700 exhibiting an energy density of 9.72 Wh Kg^-1 at 125 W Kg^-1 power density when used as a symmetric device.
  • The team concluded that the developed carbon-based materials have high energy storage efficiency and are potential low-cost, easy-to-prepare low-temperature pyrolyzed carbon materials for double-layer capacitors.
  • The research was funded by the National Natural Science Foundation of China (NSFC), Key Talent Project of Gansu Province, Major Science and Technology Project of Gansu Province, and Innovation Driven Assistance Engineering Project of Gansu Association for Science and Technology.

Statistics:

  • The pyrolysis temperature range was 500-800 degrees C.
  • The optimal temperature for carbonization was found to be 700 degrees C.
  • The microporous specific surface area of C-IPN700 was up to 1168.268 m^2 g^-1.
  • The storage capacity of C-IPN700 was 358 F g^-1 at 0.5 A g^-1.
  • The energy density of C-IPN700 was 9.72 Wh Kg^-1 at 125 W Kg^-1 power density.
  • The materials showed high energy storage efficiency, with the coulomb efficiency close to 100% after 9000 long cycle tests.

Sources:

  • NewsRx. Researchers' Work from Lanzhou University of Technology Focuses on Nanoarchitectonics (Nanoarchitectonics of Fully Interpenetrating Polymers With Low-temperature Pyrolysis Modulation for Double Layer Capacitor). Nanotechnology Weekly. August 18, 2025; p 3508.
  • Journal of Electroanalytical Chemistry. Nanoarchitectonics of Fully Interpenetrating Polymers With Low-temperature Pyrolysis Modulation for Double Layer Capacitor. 2025;991.

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