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Étude expérimentale sur les propriétés des sorbants composites pour des paires actives à sorption d’eau triphasique.

Experimental investigation on properties of composite sorbents for three-phase sorption-water working pairs.

Auteurs : LIU J. Y., WANG J. Y., WANG R. Z.

Type d'article : Article, Article de la RIF

Résumé

LiCl/H2O and CaCl2/H2O show a great potential for sorption air-to-water and thermal energy storage (TES) with their large water sorption capacity. A concept of three-phase composite solid-liquid/gas sorption is proposed by using activated carbon fiber (ACF) felt as a porous host matrix to combine with LiCl and CaCl2. Samples with different proportions of salts and varied mass ratios between LiCl and CaCl2 are developed, and thermal conductivity, sorption kinetics and simultaneous thermal analysis (STA) are experimentally investigated. Results reveal that ACF is a better choice of matrix because water uptake and energy storage density of aforementioned samples are greatly increased. It appears that the composite sorbent of ALiCa30(3:1) is a promising material for sorption air-to-water and TES, with water uptake of 2.98?g?g-1 at 25?°C and 90% relative humidity, mass energy storage density of 0.41 kWh?kg-1 and volume energy storage density of 223 kWh?m-3.

Documents disponibles

Format PDF

Pages : 51-59

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Experimental investigation on properties of composite sorbents for three-phase sorption-water working pairs.
  • Identifiant de la fiche : 30022487
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 83
  • Date d'édition : 11/2017
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2017.07.007

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