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September 24, 2025Fullerenes Nanotubes and Carbon Nanostructures

High thermal conductivity biomass-derived carbon by K 2 FeO 4 activation for thermal energy storage

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Authors

XLXiaohua LiUniversity of South ChinaHCHonglei ChenJiangsu UniversitySSShanshan ShaoJiangsu University

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Implication

Activation with K2FeO4 improves thermal conductivity and energy retention in biochar-based PCMs.

Key Points

  • Biochar composites exhibit a significant thermal conductivity of 0.449 W/(m·K), enhancing energy storage efficiency.
  • At a carbonization temperature of 800 °C and a K2FeO4 ratio of 1:1, biochar achieves a specific surface area of 1463.85 m2/g.
  • The biochar/PEG composite demonstrates a loading rate of 74.8% and a melting enthalpy of 120.7 J/g, indicating excellent thermal performance.
  • K2FeO4 activation effectively addresses issues of PCM leakage and low thermal conductivity in energy storage applications.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68d6e16f8b2b6861e4c40208https://doi.org/10.1080/1536383x.2025.2559706
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