碳纤维/聚合物复合材料热导率近十年研究进展

谢世红; 高洁; 宁来元; 郑可; 马永; 于盛旺; 贺志勇

doi:10.13801/j.cnki.fhclxb.20230714.001

碳纤维/聚合物复合材料热导率近十年研究进展

doi: 10.13801/j.cnki.fhclxb.20230714.001

1.
太原理工大学　材料科学与工程学院，太原 030024
2.
丰联科光电(洛阳)股份有限公司，洛阳 471031

基金项目: 国家自然科学基金(51901154)；山西省高等学校科技成果转化培育资助项目(2020CG011)；山西省自然科学基金项目(202103021223096)；山西省“1331 工程”提质增效项目

详细信息

通讯作者:
高洁，博士，副教授，硕士生导师，研究方向为金刚石热管理、金刚石耐磨工具　E-mail: gaojie01@tyut.edu.cn

中图分类号: TB333；TB34
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出版历程
- 收稿日期: 2023-05-10
- 修回日期: 2023-06-23
- 录用日期: 2023-07-06
- 网络出版日期: 2023-07-17
- 刊出日期: 2024-02-01

Research progress on thermal conductivity of carbon fiber/polymer composites in recent ten years

1.
Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
2.
Fonlink Photoelectric (Luoyang) CO., LTD., Luoyang 471031, China

Funds: National Natural Science Foundation of China (51901154); Science and Technology Achievement Transformation and Cultivation Project of Shanxi (2020CG011); Shanxi Provincial Natural Science Foundation (202103021223096); Fund for Shanxi "1331 Project"

摘要

摘要: 本文综述了过去十年间在提升碳纤维增强聚合物(CFRP)复合材料热导性能方面取得的进展。具体从聚合物复合材料的导热原理入手，重点分析了碳纤维(CFs)自身对CFRP复合材料热导率的影响，包括含量、长度、取向等。此外，综述了提升CFRP复合材料热导率的4种方法，包括CFs表面改性、CFs定向处理、加入导热填料及构建三维连续导热通道等策略对改善CFRP复合材料热导率的作用。最后进行了展望，将CFs同向排列并与多种形状尺寸的高热导率填料耦合构建连续的导热通道，制备低负载填料、高热导率的CFRP复合材料将成为未来的研究方向，为下一代导热材料的开发和优化提供指导。
- CFRP复合材料 /
- 导热填料 /
- 定向CFs /
- 碳纤维表面改性 /
- 三维导热通路 /
- 热导率 /
- 研究进展
Abstract: In this paper, the progress made by researchers in improving the thermal conductivity of carbon fiber-reinforced polymer (CFRP) composites in the past decade is summarized. Based on the principle of thermal conductivity of polymer composites, this paper focuses on the analysis of the influence of carbon fiber (CFs) on the thermal conductivity of CFRP composites, including content, length, and orientation. In addition, four methods to improve the thermal conductivity of CFRP composites are summarized, including surface modification of CFs, directional treatment of CFs, adding thermal conductive fillers and designing three-dimensional continuous thermal channels, which have an impact on the thermal conductivity of CFRP composites. Finally, the prospect of carbon fibers arranged in the same direction and combined with high thermal conductivity fillers with different shapes and sizes to construct continuous thermal conduction channels is prospected. The preparation of CFRP composites with low filling content and high thermal conductivity will become the research direction in the future, which will provide guidance for the development and optimization of the next generation of thermal conductivity materials.
- CFRP composites /
- thermal conductive filler /
- directional CFs /
- surface modification of CFs /
- 3D thermal conductive paths /
- thermal conductivity /
- research progress

HTML全文

图 1 材料内部热流分布：(a) 纯聚合物；(b) 加入导热填料的碳纤维增强聚合物(CFRP)复合材料；(c) 碳纤维(CFs)与其他填料构成三维连续导热通路的CFRP复合材料；(d) CFs同向排列的CFRP复合材料；(e) 部分聚合物和导热填料的热导率^{[13, 19]}；(f) 不同类型填料CFRP复合材料热导率；(g) 构建三维导热网络CFRP复合材料热导率与未构建连续导热通路的CFRP复合材料热导率增长率对比；(h) CFs同向排列的CFRP复合材料热导率与CFs随机分散的CFRP复合材料热导率提升率对比

G—Graphene; CNT—Carbon nanotube; BN—Boron nitride; AlN—Aluminium nitride; GP—Graphite; PP—Polypropylene; PDMS—Polydimethylsiloxane; EP—Epoxy resin; PF—Phenolic resin; PMMA—Polymethyl methacrylate; CE—Cyanate ester resin; PA-6—Polyamide-6; LDPE—Low density polyethylene; HDPE—High density polyethylene; CC—Carbon felt; C—Carbon; GO—Graphene oxide; PBO—Poly-p-phenylene benzobisoxazole; 3D-CFs/EP—Three dimensional and vertically aligned CFs/EP; o-MCFs/SR—Oriented magnetic carbon fibers/silicone rubber

Figure 1. Internal heat flux of pure polymers (a), carbon fiber-reinforced polymer (CFRP) composites with added thermally conductive fillers (b), CFRP composites composed of 3D continuous heat conduction channels formed by carbon fiber (CFs) and other fillers (c) and CFRP composites with CFs arranged in the same direction (d); (e) Thermal conductivity of a part of the polymers and thermally conductive fillers^{[13, 19]}; (f) Thermal conductivity of CFRP composites with different types of fillers; (g) Comparison of the growth rate of thermal conductivity in CFRP composites with a 3D thermal conductivity network versus CFRP composites lacking a continuous thermal conductivity path; (h) Thermal conductivity of CFRP composites arranged in the same direction and improvement rate compared with randomly distributed CFs

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图 2 (a) CFs含量对CFRP复合材料热导率的影响；(b)不同表面改性方法处理的CFRP复合材料热导率与没有表面改性的CFRP热导率增长百分比对比

Figure 2. (a) Effect of CFs content on the thermal conductivity of CFRP composites; (b) Percentage increase in thermal conductivity of CFRP composites treated with different surface modification methods compared to CFRP without surface modification

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图 3 颗粒填料(a)、线状填料(b)、片状填料(c)和混合填料(d)增强CFRP复合材料热传导机制

Figure 3. Illustrates the enhanced heat conduction mechanism of CFRP composites through the incorporation of particulate fillers (a), one-dimensional fillers (b), two-dimensional fillers (c), and mixed fillers (d)

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