Heat Transfer Performance Enhancement of Paraffin/Expanded Perlite Phase Change Composites with Graphene Nano-platelets

Paper


Ramakrishnan, Sayanthan, Wang, Xiaoming, Sanjayan, Jay and Wilson, John. 2017. "Heat Transfer Performance Enhancement of Paraffin/Expanded Perlite Phase Change Composites with Graphene Nano-platelets." 8th International Conference on Applied Energy (ICAE 2016) . Beijing, China 08 201 - 11 Oct 2016 Netherlands. Elsevier. https://doi.org/10.1016/j.egypro.2017.03.964
Paper/Presentation Title

Heat Transfer Performance Enhancement of Paraffin/Expanded Perlite Phase Change Composites with Graphene Nano-platelets

Presentation TypePaper
AuthorsRamakrishnan, Sayanthan, Wang, Xiaoming, Sanjayan, Jay and Wilson, John
Journal or Proceedings TitleEnergy Procedia
Journal Citation105, pp. 4866-4871
Number of Pages6
Year2017
PublisherElsevier
Place of PublicationNetherlands
ISSN1876-6102
ISBN9781510842373
Digital Object Identifier (DOI)https://doi.org/10.1016/j.egypro.2017.03.964
Web Address (URL) of Paperhttps://www.sciencedirect.com/science/article/pii/S1876610217310652
Web Address (URL) of Conference Proceedingshttps://www.sciencedirect.com/journal/energy-procedia/vol/105/suppl/C
Conference/Event8th International Conference on Applied Energy (ICAE 2016)
Event Details
8th International Conference on Applied Energy (ICAE 2016)
Parent
International Conference on Applied Energy
Delivery
In person
Event Date
08 Oct 0201 to end of 11 Oct 2016
Event Location
Beijing, China
AbstractThe efficiency of latent heat thermal energy storage systems is often limited by the low thermal conductivity of phase change materials (PCMs), which limits the heat transfer rate and energy storage efficiency. Therefore, this study investigates the performance enhancement of form-stable PCMs with the addition of exfoliated graphene nano-platelets (xGnP) as a heat transfer promoter. Experimental research was carried out on fabrication, characterization and testing the properties of paraffin/EP/xGnP composite PCMs. It was shown that the xGnP particles formed an interconnecting network inside the open pores of EP, which remarkably improved the thermal properties and thermal energy storage/retrieval properties of composite PCMs. For instance, in comparison with paraffin/EP composites, addition of 1% of xGnP increased the thermal conductivity by up to 49%. Thermal energy storage/release test also revealed that the paraffin/EP/xGnP composites reduced the heat storage/ release duration by up to 33%, compared to paraffin/EP composite PCM. The enhancement of thermal properties and thermal energy storage rate of paraffin/EP/xGnP composites is a promising way to achieve high energy storage efficiency in numerous latent heat thermal energy storage applications such as solar energy storage and energy conversation in buildings.
KeywordsPhase change materials (PCMs); exfoliated graphene nano-platelets (xGnP); heat transfer rate; energy storage
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020400505. Construction materials
Byline AffiliationsSwinburne University of Technology
Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia
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