Investigation of Heat Transfer Characteristics of Al2O3-Embedded Magnesium Nitrate Hexahydrate-Based Nanocomposites for Thermal Energy Storage

  • Neeraj Gupta
  • Vivek Kumar
  • Hrishikesh Dhasmana
  • Avshish Kumar
  • Prashant Shukla
  • Amit KumarEmail author
  • Abhishek Verma
  • S. K. Dhawan
  • Vinod Kumar Jain
Conference paper
Part of the Springer Proceedings in Energy book series (SPE)


Phase change materials (PCMs) have been widely investigated as latent heat energy storage medium for effective thermal management. Presently, PCM nanocomposites have been prepared by dispersing aluminum dioxide (Al2O3) nanoparticles (NPs), which act as thermally conductive nanofillers, in molten magnesium nitrate hexahydrate (Mg(NO3)2·6H2O), an inorganic salt hydrate. Al2O3 NPs with mass fractions of 0.5, 1.0 and 1.5 wt% have been dispersed in liquid PCM to obtain PCM nanocomposites, which are used to study the heat transfer properties. The morphology of the Al2O3 NPs, PCM and PCM nanocomposites has been studied by scanning electron microscopy (SEM). Fourier-transform infrared spectroscopy (FTIR) analysis was carried out to investigate the interaction between Al2O3 and PCM in PCM nanocomposite. The melting (charging) and solidification (discharging) characteristics of the PCM nanocomposites have been recorded and analyzed. The experimental results clearly showed that the rate of melting and solidification of PCM nanocomposite increases by 15% and 38%, respectively, with an increase in the mass fraction (1.5 wt%) of nanofillers as compared to the pristine PCM. The observed reduction in heat release time confirmed the effective enhancement of thermal conductivity in Al2O3-PCM nanocomposite samples as compared to the pristine PCM. The prepared PCM nanocomposites displayed superior heat transfer capability, making it a potential candidate for thermal energy storage.


Phase change material (PCM) Nanoparticles Thermal energy storage Heat transfer 



We thank Dr. Ashok K. Chauhan, Founder President of Amity University, for his continuous support and also thank other members of the AIARS (M&D) Group, Amity University, Noida, for their support.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Neeraj Gupta
    • 1
  • Vivek Kumar
    • 1
  • Hrishikesh Dhasmana
    • 1
  • Avshish Kumar
    • 1
  • Prashant Shukla
    • 1
  • Amit Kumar
    • 1
    • 2
    Email author
  • Abhishek Verma
    • 1
  • S. K. Dhawan
    • 3
  • Vinod Kumar Jain
    • 1
  1. 1.Amity Institute of Advanced Research and Studies (Materials and Devices), Amity UniversityNoidaIndia
  2. 2.School of Engineering and TechnologyCentral University of HaryanaMahendergarhIndia
  3. 3.Division of Materials Physics and EngineeringNational Physical LaboratoryNew DelhiIndia

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