Preparation and thermal conductivity of MXene/silicone rubber composites

CHEN Dejia; YAO Yanqing; ZHAO Jia; CHAI Chunpeng

doi:10.13801/j.cnki.fhclxb.20210528.001

Volume 39 Issue 3

Mar. 2021

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CHEN Dejia, YAO Yanqing, ZHAO Jia, et al. Preparation and thermal conductivity of MXene/silicone rubber composites[J]. Acta Materiae Compositae Sinica, 2022, 39(3): 1036-1043. doi: 10.13801/j.cnki.fhclxb.20210528.001

Citation:

CHEN Dejia, YAO Yanqing, ZHAO Jia, et al. Preparation and thermal conductivity of MXene/silicone rubber composites[J]. Acta Materiae Compositae Sinica, 2022, 39(3): 1036-1043. doi: 10.13801/j.cnki.fhclxb.20210528.001

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Preparation and thermal conductivity of MXene/silicone rubber composites

doi: 10.13801/j.cnki.fhclxb.20210528.001

School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

Received Date: 2021-04-06
Accepted Date: 2021-05-24
Rev Recd Date: 2021-05-14

Available Online: 2021-05-28

Publish Date: 2021-03-01

Abstract

Abstract

With the advent of 5G era, the heating power of various electronic components has increased significantly. Therefore, the problem of heat dissipation of electronic components and equipment needs to be solved urgently, which makes the demand for high thermal conductivity materials increasingly urgent. The two-dimensional MXene material (Ti₃C₂T_x) was prepared by chemical etching method, and the MXene/silicone rubber composites were obtained by using standard solution blending method. The effect of the addition amount of MXene on the thermal conductivity of the MXene/silicone rubber composites were studied. SEM and XRD were used to characterize the structure of MXene, and the mechanical properties, thermal conductivity and thermal stability of pure silicone rubber and the composites were tested. The results show that the classic accordion layered MXene is successfully prepared by chemical etch method. When the added MXene is 2.00wt%, the thermal conductivity of the composites is up to 1.32 W/(m·K), which is 4.55 times that of pure silicone rubber. At this time, the volume resistivity of the composites is reduced by 4 orders of magnitude. The mechanical properties and thermal stability of silicone rubber are also improved remarkably.
- MXene,
- silicone rubber,
- thermal conductivity,
- chemical etching,
- two-dimensional materials
Long Abstrsct
Innovation Points

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References(26)

References

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