Graphene aerogel stabilized phase change material for thermal energy storage
Phase change material (PCM) with thermal energy storage capacity has been a hot topic due to the advantages of satisfying the demand for energy storage, saving and conversion. In this work, graphene oxide (GO) was introduced to prepare a three-dimensional (3D) continuous network of graphene aerogel...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-12-01
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| Series: | Case Studies in Thermal Engineering |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X22007341 |
| _version_ | 1811207039916965888 |
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| author | Yajing Zhao Kai Zhang Xin Min Jun Xiao Ziling Xu Zhaohui Huang Yan'gai Liu Xiaowen Wu Minghao Fang |
| author_facet | Yajing Zhao Kai Zhang Xin Min Jun Xiao Ziling Xu Zhaohui Huang Yan'gai Liu Xiaowen Wu Minghao Fang |
| author_sort | Yajing Zhao |
| collection | DOAJ |
| description | Phase change material (PCM) with thermal energy storage capacity has been a hot topic due to the advantages of satisfying the demand for energy storage, saving and conversion. In this work, graphene oxide (GO) was introduced to prepare a three-dimensional (3D) continuous network of graphene aerogel (GA) via a simple hydrothermal process, and the GA was further employed to pack polyethylene glycols (PEG). Benefited from the abundant porous structure and high specific surface area, the mass fraction of PEG in the composite PCM was up to 96.0 wt%. Besides, the heat latent of the composite was 223.2 J/g, illustrating a high energy storage density. Moreover, due to the crosslinking graphene skeleton and its inherent high thermal conductivity, the heat transfer rate was enhanced to 116% of the pure PEG. This work could simultaneously solve the drawbacks of leakage and low thermal conductivity of PCM. And the composite PCM could be considered as a clean, energy-saving and recycled material in the application of building heat preservation. |
| first_indexed | 2024-04-12T03:57:02Z |
| format | Article |
| id | doaj.art-51e944fefe994d0385f385a57a1f6d46 |
| institution | Directory Open Access Journal |
| issn | 2214-157X |
| language | English |
| last_indexed | 2024-04-12T03:57:02Z |
| publishDate | 2022-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj.art-51e944fefe994d0385f385a57a1f6d462022-12-22T03:48:48ZengElsevierCase Studies in Thermal Engineering2214-157X2022-12-0140102497Graphene aerogel stabilized phase change material for thermal energy storageYajing Zhao0Kai Zhang1Xin Min2Jun Xiao3Ziling Xu4Zhaohui Huang5Yan'gai Liu6Xiaowen Wu7Minghao Fang8Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaBeijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaCorresponding author.; Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaBeijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaBeijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaBeijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaBeijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaBeijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaCorresponding author.; Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, PR ChinaPhase change material (PCM) with thermal energy storage capacity has been a hot topic due to the advantages of satisfying the demand for energy storage, saving and conversion. In this work, graphene oxide (GO) was introduced to prepare a three-dimensional (3D) continuous network of graphene aerogel (GA) via a simple hydrothermal process, and the GA was further employed to pack polyethylene glycols (PEG). Benefited from the abundant porous structure and high specific surface area, the mass fraction of PEG in the composite PCM was up to 96.0 wt%. Besides, the heat latent of the composite was 223.2 J/g, illustrating a high energy storage density. Moreover, due to the crosslinking graphene skeleton and its inherent high thermal conductivity, the heat transfer rate was enhanced to 116% of the pure PEG. This work could simultaneously solve the drawbacks of leakage and low thermal conductivity of PCM. And the composite PCM could be considered as a clean, energy-saving and recycled material in the application of building heat preservation.http://www.sciencedirect.com/science/article/pii/S2214157X22007341Graphene aerogelPolyethylene glycolsThree-dimensional porous structureThermal conductivityPhase change material |
| spellingShingle | Yajing Zhao Kai Zhang Xin Min Jun Xiao Ziling Xu Zhaohui Huang Yan'gai Liu Xiaowen Wu Minghao Fang Graphene aerogel stabilized phase change material for thermal energy storage Case Studies in Thermal Engineering Graphene aerogel Polyethylene glycols Three-dimensional porous structure Thermal conductivity Phase change material |
| title | Graphene aerogel stabilized phase change material for thermal energy storage |
| title_full | Graphene aerogel stabilized phase change material for thermal energy storage |
| title_fullStr | Graphene aerogel stabilized phase change material for thermal energy storage |
| title_full_unstemmed | Graphene aerogel stabilized phase change material for thermal energy storage |
| title_short | Graphene aerogel stabilized phase change material for thermal energy storage |
| title_sort | graphene aerogel stabilized phase change material for thermal energy storage |
| topic | Graphene aerogel Polyethylene glycols Three-dimensional porous structure Thermal conductivity Phase change material |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X22007341 |
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