Self-heating function of carbon nanofiber cement pastes


  • O. Galao Universidad de Alicante
  • F. J. Baeza Universidad de Alicante
  • E. Zornoza Universidad de Alicante
  • P. Garcés Universidad de Alicante



Cement, Carbon nanofibers, Self-heating


The viability of carbon nanofiber (CNF) composites incement matrices as a self-heating material is reported in this paper. This functional application would allow the use of CNF cement composites as a heating element in buildings, or for deicing pavements of civil engineering transport infrastructures, such as highways or airport runways. Cement pastes with the addition of different CNF dosages (from 0 to 5% by cement mass) have been prepared. Afterwards, tests were run at different fixed voltages (50, 100 and 150V), and the temperature of the specimens was registered. Also the possibility of using a casting method like shotcrete, instead of just pouring the fresh mix into the mild (with no system’s efficiency loss expected) was studied. Temperatures up to 138 °C were registered during shotcrete-5% CNF cement paste tests (showing initial 10 °C/min heating rates). However a minimum voltage was required in order to achieve a proper system functioning.


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How to Cite

Galao, O., Baeza, F. J., Zornoza, E., & Garcés, P. (2014). Self-heating function of carbon nanofiber cement pastes. Materiales De Construcción, 64(314), e015.



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