Ultrahigh Thermal Conductivity of Assembled Aligned Multilayer Graphene/Epoxy Composite
Abstract
The exceptional thermal conductivity of graphene is expected to endow polymer composites with ultrahigh thermal conductivities, which can be even similar to those of some metals such as stainless steel and aluminum alloy. The thermal conductivities of composites prepared by dispersing multilayer graphene (MLG) in epoxy matrix increase only by an order of magnitude over the pure epoxy. However, the improvement has been limited since the large interfacial thermal resistance exists between graphene and the surrounding epoxy. We have reported an extraordinary increase in thermal conductivity of the MLG/epoxy composites through the fabrication of the vertically aligned and densely packed MLG in the epoxy matrix. The ultrahigh thermal conductivity of 33.54 W/(m K) has been achieved in the aligned MLG/epoxy composite (AG/E). The thermal conductivity of AG/E exhibits a positive temperature response related to the aligned structure while increasing the temperature from 40 °C to 90 °C.
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Although adequate additives can significantly improve thermal conductivity, thermal storage density is considerably reduced due to the occupation of additives inside original channels.
“Conversely, although adequate additives can significantly improve the thermal conductivity, the thermal storage density is considerably reduced due to the occupation of additives inside original channels.”
From Carbon-Based Composite Phase Change Materials for Thermal Energy Storage, Transfer, and Conversion (2021) · cites this paper as [202]
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Thermal Interface Materials: Historical Perspective, Status, and Future Directions
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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
Kholmanov, I., Kim, J., Ou, E., Ruoff, R. S., & Shi, L. (2015) · ACS Nano · doi:10.1021/acsnano.5b02917 · Cited by 341 · see citing works
Chen, X., Gao, H., Yang, M., Dong, W., Huang, X., Li, A., Dong, C., & Wang, G. (2018) · Nano Energy · doi:10.1016/j.nanoen.2018.03.075 · Cited by 250 · see citing works
- Authors
- Li, Q., Guo, Y., Li, W., Qiu, S., Zhu, C., Wei, X., Chen, M., Liu, C., Liao, S., Gong, Y., Mishra, A. K., & Liu, L.
- Affiliations
- Chinese Academy of Sciences (CN)
- Leibniz Institute of Polymer Research (DE)
- Corresponding author
- Liu, Liwei
- ORCID
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-07-29
- Volume
- 26
- Issue
- 15
- Pages
- 4459-4465
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2320128000
- Cited by
- 351
- References
- 1
- Citations by year
- 2026: 11 · 2025: 19 · 2024: 23 · 2023: 14 · 2022: 39 · 2021: 37 · 2020: 35 · 2019: 54 · 2018: 46 · 2017: 32 · 2016: 26 · 2015: 14
- FWCI
- 10.89
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Chemistry of Materials (publishedVersion)
- Funders
- Ministry of Science and Technology of the People's Republic of China (2010CB934700, 2012CB722708)
- National Natural Science Foundation of China (10834004, 51102273)
- Chinese Academy of Sciences (KGZD-EW-303)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
- Physical Sciences › Materials Science › Materials Chemistry › Carbon Nanotubes in Composites
- Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
- Keywords
- multilayer graphene, epoxy matrix, graphene/epoxy composites, thermal conductivity, interfacial thermal resistance, polymer composites, temperature-dependent thermal conductivity, thermal management
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