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May 9, 2026International Journal of RefrigerationOpen Access

Pickering anhydrous emulsions as heat transfer fluids with cold energy storage characteristics for refrigeration and freezing

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Authors

ATAdrián Tenorio-AlfonsoCDClara Delgado-SánchezAGAntonio GuerreroUniversidad de Sevilla

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Implication

Randomized trial evaluates thermal performance of Pickering emulsions in refrigeration, suggesting effective cold energy storage solutions.

Key Points

  • The research aims to explore the potential of Pickering emulsions as heat transfer fluids with efficient cold energy storage characteristics.
  • Formulated Pickering emulsions with polyethylene glycol 400, D-limonene, and silica nanoparticles.
  • Characterized emulsions through calorimetry, thermal conductivity, rheology, and optical microscopy measurements.
  • Analyzed heat-transfer effectiveness and energy-storage capacity at various temperatures.
  • Emulsions demonstrated stable sub-zero phase-change transitions with a minimum of 0.05 wt.% silica for stability.
  • PCEs achieved up to 2.4-fold higher cumulative volumetric enthalpy changes compared to commercial refrigerants.
  • Lightly stabilized formulations offered optimal heat-transfer effectiveness, indicating suitability for ultra-low-temperature refrigeration.

Cite This Study

Tenorio-Alfonso et al. (2026) studied this question.

synapsesocial.com/papers/69fececcb9154b0b8287608ehttps://doi.org/10.1016/j.ijrefrig.2026.106967
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