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September 10, 2025

Investigation on the Synthesis, Characterization and Performance Analysis of a Hybrid Shape Stabilized Phase Change Material for Enhanced Thermal Energy Storage

PRP. K. RemyaKannur University MMM.S. ManjuGovernment College Kodanchery

Key Points

The optimized hybrid SSPCM shows a thermal conductivity of 0.746 W/mK and an enthalpy of fusion of 241 J/g, indicating impressive performance.
Characterization techniques like scanning electron microscopy and differential scanning calorimetry reveal structural stability and thermal behaviors of the material.
The novel SSPCM achieved an 8°C temperature reduction on an aluminum surface compared to setups without phase change materials.
Integration of n-eicosane with a graphene/MXene foam matrix enhances both thermal management and energy storage in electronic applications.

Abstract

ABSTRACT Phase change materials (PCMs) are used for effective thermal management in electronic devices. This study introduces a hybrid shape‐stabilized phase change material (SSPCM) that combines n‐eicosane as the PCM with a porous graphene/MXene foam matrix, encapsulated in a thermally enhanced epoxy resin. This composite demonstrates excellent thermal conductivity, structural stability, and minimal leakage. Characterization was conducted using scanning electron microscopy, x‐ray diffraction, Fourier‐transform infrared spectroscopy, and Raman spectroscopy, while differential scanning calorimetry was used to assess thermal behaviors. The optimized hybrid SSPCM, comprised of a graphene sponge with 40% n‐eicosane, achieved remarkable properties with an enthalpy of fusion of 241 J/g and a thermal conductivity of 0.746 W/mK, demonstrating minimal leakage and high thermal stability throughout repeated test cycles. The implementation of this novel SSPCM resulted in an 8°C reduction in temperature compared to an electronic heating scenario without PCM on an aluminum (Al) surface.

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