Synthesis and thermophysical characterization of fatty amides for thermal energy storage

Anna Canela-Xandri, Gemma Villorbina, Mercè Balcells, Xavier Fernández-Francos, Luisa F. Cabeza, Ramon Canela-Garayoa

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Nine monoamides were synthesized from carboxylic acids (C8–C18) and crude glycerol. The final monoamides were the result of a rearrangement of the acyl chain during the final hydrogenation process. The purity of the final compounds was determined by spectroscopic and mass spectrometry (MS) techniques. The thermophysical properties of solid monoamides were investigated to determine their capability to act as phase change materials (PCM) in thermal energy storage. Thermophysical properties were determined with a differential scanning calorimeter (DSC). The melting temperatures of the analyzed material ranged from 62.2 C to 116.4 C. The analyzed enthalpy of these monoamides ranged from 25.8 kJ/kg to 149.7 kJ/kg. Enthalpy values are analyzed considering the carbon chain and the formation of hydrogen bonds.

Idioma originalAnglès
Número d’article3777
Estat de la publicacióPublicada - 21 d’oct. 2019
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