dc.contributor.author | Hayat, Muhammad | |
dc.contributor.author | CHEN, Yong Kang | |
dc.contributor.author | Yang, Yongzhen | |
dc.contributor.author | Li, Liang | |
dc.contributor.author | Bevilacqua, Mose | |
dc.date.accessioned | 2023-12-11T12:30:04Z | |
dc.date.available | 2023-12-11T12:30:04Z | |
dc.date.issued | 2024-01-01 | |
dc.identifier.citation | Hayat , M , CHEN , Y K , Yang , Y , Li , L & Bevilacqua , M 2024 , ' Enhancing Thermal Energy Storage in Buildings with Novel Functionalised MWCNTs-Enhanced Phase Change Materials: Towards Efficient and Stable Solutions ' , Thermal Science and Engineering Progress , vol. 47 , 102313 , pp. 1-24 . https://doi.org/10.1016/j.tsep.2023.102313 | |
dc.identifier.issn | 2451-9049 | |
dc.identifier.other | ORCID: /0000-0002-7225-841X/work/148833809 | |
dc.identifier.uri | http://hdl.handle.net/2299/27278 | |
dc.description | © 2023 The Author(s). Published by Elsevier Ltd. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY), https://creativecommons.org/licenses/by/4.0/ | |
dc.description.abstract | Phase change materials (PCMs) are a promising panacea to tackle the intermittency of renewable energy sources, but their thermal performance is limited by low thermal conductivity (TC). This pioneering work investigates the potential of organic PCM-enriched surface-modified and un-modified multi-walled carbon nanotubes (MWCNTs) for low-temperature thermal energy storage (TES) applications. The functionalised and un-functionalised MWCNTs enhanced PCM have demonstrated a TC enhancement of 158 % and 147 %, respectively, at 25 °C. However, the TC value of the unmodified MWCNTs-based PCM dropped by 52.5 % after 48 h at 25 °C, while that of the functionalised MWCNTs-based PCM remained stable. A DSC analysis of up to 200 thermal cycles confirmed that the surface-modified and un-modified MWCNTs had no major effect on the peak melting and cooling temperatures of the nano-enhanced PCMs although a minor decrease of 7.5 % and 7.7 % in the melting and crystallisation enthalpies, respectively, was noticed with the inclusion of functionalised MWCNTs. Moreover, functionalised MWCNTs incorporated PCMs have led to increases in specific heat capacity by 23 % with an optimal melting enthalpy value of 229.7 J/g. In addition, no super-cooling, no phase segregation, and a small phase change temperature were noticed with these nano-enhanced PCMs. Finally, no chemical interaction from nano-PCMs was seen in the FT-IR spectra with the incorporation of both functionalised and un-treated MWCNTs. It is evident that the functionalised MWCNT-based PCM has better thermal stability and it offers a promising alternative for improving thermal storage and management capabilities in buildings, contributing to a sustainable and energy-efficient building design. | en |
dc.format.extent | 24 | |
dc.format.extent | 16069447 | |
dc.language.iso | eng | |
dc.relation.ispartof | Thermal Science and Engineering Progress | |
dc.subject | Functionalised MWCNTs | |
dc.subject | phase change material | |
dc.subject | thermal energy storage | |
dc.subject | latent heat | |
dc.subject | buildings | |
dc.subject | nanocomposites | |
dc.subject | Latent heat | |
dc.subject | Phase change material | |
dc.subject | Nanocomposites | |
dc.subject | Buildings | |
dc.subject | Thermal energy storage | |
dc.subject | Fluid Flow and Transfer Processes | |
dc.title | Enhancing Thermal Energy Storage in Buildings with Novel Functionalised MWCNTs-Enhanced Phase Change Materials: Towards Efficient and Stable Solutions | en |
dc.contributor.institution | Department of Engineering and Technology | |
dc.contributor.institution | School of Physics, Engineering & Computer Science | |
dc.contributor.institution | Centre for Engineering Research | |
dc.contributor.institution | Centre for Climate Change Research (C3R) | |
dc.contributor.institution | Centre for Future Societies Research | |
dc.contributor.institution | Energy and Sustainable Design Research Group | |
dc.contributor.institution | Materials and Structures | |
dc.description.status | Peer reviewed | |
dc.identifier.url | http://www.scopus.com/inward/record.url?scp=85179121799&partnerID=8YFLogxK | |
rioxxterms.versionofrecord | 10.1016/j.tsep.2023.102313 | |
rioxxterms.type | Journal Article/Review | |
herts.preservation.rarelyaccessed | true | |