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HeatScopy - Visualizing the Structure of Phase Change Materials

Project description

Warming up to sustainable heat storage

Traditional heating systems rely on carbon-intensive energy sources. Seasonal and short-term heat storage using phase change materials (PCMs) offers a sustainable alternative, particularly with paraffin waxes showing promise. However, this is costly and difficult to scale. Bio-based PCMs, while cheaper, are often inconsistent, making their heat storage performance unpredictable. Supported by the Marie Skłodowska-Curie Actions programme, the HeatScopy project will develop advanced experimental methods to understand how mixture composition and heterogeneities affect PCM efficiency. Using techniques such as atomic force microscopy and nuclear magnetic resonance, researchers will analyse both conventional and plant-based waxes. This approach aims to create a workflow to optimise heat storage, thereby paving the way for greener, more affordable renewable heating solutions.

Objective

Seasonal and short-term heat storage with phase change materials (PCMs) represent a promising alternative to traditional carbon-intensive energy systems. They could reduce greenhouse emissions and provide sustainable renewable heating systems. Paraffin waxes have demonstrated potential for this purpose and fillers to enhance the thermal conductivity of waxes have been developed. However, these mixtures are expensive and unsustainable to upscale. Bio-based PCMs are cheaper, but often come with large heterogeneities, for which heat storage performance is difficult to predict. This study proposes the advancement of experimental methodologies to identify the impact of heterogeneities and mixture composition on phase change material performance for the development of sustainable products. An experimental approach is particularly beneficial, since computational techniques often require assumptions for high purity, which deviate significantly from the composition of naturally-occuring waxes. In this context, the proposed project will build on new experimental tools enabling to characterize heterogeneous and more complex mixtures, shed light on literature gaps about the mechanism of co-crystallization and speed up the selection of more sustainable and less costly PCMs. This study proposes to use atomic force microscopy, low field nuclear magnetic resonance, inverse gas chromatography and T-history, to reveal the mechanism behind the structural evolution during the phase change. A workflow will be developed using conventional paraffin wax and filler mixtures. Then, the established workflow will be applied to plant-based waxes, such as soy wax and coconut oil-based wax. The final goal is to predict heat storage performance of novel materials, from the evolution of structural features characterized experimentally. This workflow will facilitate the selection and testing for PCM to ensure optimal heat storage performance and a reduction in greenhouse emissions for heating.

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Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

TECHNISCHE UNIVERSITEIT EINDHOVEN
Net EU contribution
€ 217 076,16
Address
GROENE LOPER 3
5612 AE Eindhoven
Netherlands
Region
Zuid-Nederland Noord-Brabant Zuidoost-Noord-Brabant
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Partners (1)