Modified Phase Change Microcapsules with Calcium Carbonate and Graphene Oxide Shells for Enhanced Energy Storage and Leakage Prevention
Abstract
Environmentally friendly microencapsulated phase change materials (MEPCMs) with calcium carbonate (CaCO 3 ) shells were modified with graphene oxide (GO), and the effects of GO content and methodology on MEPCMs were examined. The core–shell structure of MEPCMs and crystal structure of CaCO 3 shells were confirmed by scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), and X-ray diffractometer (XRD). The thermal properties and stability of MEPCMs were investigated by differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA), suggesting that the addition of GO contributed to improving the heat storage capacity and thermal stability of MEPCMs. When the GO content was 1.0 wt %, the encapsulation ratio of MEPCMs was as high as 73.19%, and the leakage rate was reduced by 89.6% compared to the MEPCMs without GO. Furthermore, the thermal conductivity and mechanical properties of GO modified MEPCMs were improved significantly. The considerable latent heat storage, thermal stability, thermal conductivity, leakage - prevention, and mechanical properties of GO modified paraffin@CaCO 3 MEPCMs offer potential in green energy applications.
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When the GO content is 1.0 wt%, the encapsulation ratio of paraffin/CaCO3 MEPCMs reaches 73.19%.
“When the content of GO was 1.0 wt %, the encapsulation ratio of MEPCMs reached 73.19%.”
From Carbon-Based Composite Phase Change Materials for Thermal Energy Storage, Transfer, and Conversion (2021) · cites this paper as [110]
GO-modified paraffin/CaCO3 MEPCMs have a thermal conductivity of 0.88 W mK−1, while MEPCMs without GO have a thermal conductivity of 0.72 W mK−1.
“The thermal conductivity of GO‐modified MEPCMs was 0.88 W mK−1 while the thermal conductivity of MEPCMs without GO was 0.72 W mK−1.”
From Carbon-Based Composite Phase Change Materials for Thermal Energy Storage, Transfer, and Conversion (2021) · cites this paper as [110]
Cites
Tian, B., Yang, W., Luo, L., Wang, J., Zhang, K., Fan, J., Wu, J., & Xing, T. (2016) · Solar Energy · doi:10.1016/j.solener.2016.01.011 · Cited by 184 · see citing works
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Carbon-Based Composite Phase Change Materials for Thermal Energy Storage, Transfer, and Conversion
Chen, X., Cheng, P., Tang, Z., Xu, X., Gao, H., & Wang, G. (2021) · Advanced Science · doi:10.1002/advs.202001274 · Cited by 483 · see citing works
Allahbakhsh, A., & Arjmand, M. (2019) · Carbon · doi:10.1016/j.carbon.2019.04.009 · Cited by 180 · see citing works
- Authors
- Jiang, Z., Yang, W., He, F., Xie, C., Fan, J., Wu, J., & Zhang, K.
- Affiliations
- Southwest University of Science and Technology (CN)
- China Academy of Engineering Physics (CN)
- Corresponding author
- Yang, Wenbin
- Venue
- ACS Sustainable Chemistry & Engineering
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-03-06
- Volume
- 6
- Issue
- 4
- Pages
- 5182-5191
- ISSN
- 2168-0485 (ISSN-L)
- OpenAlex
- W2792683049
- Cited by
- 146
- References
- 1
- Citations by year
- 2026: 10 · 2025: 7 · 2024: 14 · 2023: 16 · 2022: 22 · 2021: 26 · 2020: 24 · 2019: 20 · 2018: 7
- FWCI
- 12.30
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ACS Sustainable Chemistry & Engineering (publishedVersion)
- Funders
- Department of Science and Technology of Sichuan Province (2017JY0149)
- Education Department of Sichuan Province (17TD0043)
- National Natural Science Foundation of China (U1730114, U1530102)
- Science and Technology Development Foundation, China Academy of Engineering Physics (xk201701)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Phase Change Materials Research
- Physical Sciences › Engineering › Mechanical Engineering › Adsorption and Cooling Systems
- Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
- Keywords
- microencapsulated phase change materials, calcium carbonate shell, graphene oxide, alkanes, core-shell microcapsules, thermal energy storage, leakage prevention, encapsulation efficiency, thermal stability, thermal conductivity, mechanical properties, latent heat storage
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