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February 8, 2026Journal of Sol-Gel Science and TechnologyOpen Access

Similarities and differences between tannin- and resorcinol-based carbon aerogels: nitrogen-doping, electrical conductivity, and performance in a Zn-based electrochemical cell

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Authors

JKJessica KrönerDeutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)DSDaniela SöllingerUniversity of SalzburgAKAnn-Kathrin KoopmannUniversity of Salzburg

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Implication

Comparative study reveals differences in conductivity and performance of tannin versus resorcinol-based carbon aerogels, indicating potential for energy applications.

Key Points

  • The study aims to compare tannin- and resorcinol-based carbon aerogels regarding their properties and performance in energy applications.
  • Compared properties of tannin- and resorcinol-based carbon aerogels
  • Analyzed electrical conductivity and morphology of the aerogels
  • Evaluated performance in a Zn-based electrochemical cell
  • Nitrogen-doped aerogels exhibit both pyridinic and pyrrolic functional groups
  • Resorcinol-based aerogels show nearly double the electrical conductivity of tannin-based variants
  • Non-doped aerogels achieve the highest capacitance at 239 F·g –1
  • Material costs of tannin-based electrodes are lower than resorcinol-based ones

Cite This Study

Kröner et al. (2026) studied this question.

synapsesocial.com/papers/6988277b0fc35cd7a8846432https://doi.org/10.1007/s10971-025-07050-7
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