俄罗斯方块式堆叠工艺，以调整碳纤维支架的方向，以实现高效散热

IF 31.6 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Nano-Micro Letters Pub Date : 2023-06-07 DOI:10.1007/s40820-023-01119-0

Shida Han, Yuan Ji, Qi Zhang, Hong Wu, Shaoyun Guo, Jianhui Qiu, Fengshun Zhang

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引用次数: 1

摘要

采用磁场辅助的俄罗斯方块式堆砌碳化工艺制备了水平排列、对角排列和垂直排列结构的碳纤维支架。所得的CF支架/聚二甲基硅氧烷复合材料在纤维取向方向上具有超高的导热系数(> 40 W m−1 K−1)。不同排列方向的纤维可以通过多次堆叠和碳化工艺组合在一起，从而实现沿定制路径的高效传热。

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Tetris-Style Stacking Process to Tailor the Orientation of Carbon Fiber Scaffolds for Efficient Heat Dissipation

Highlights

Carbon fiber (CF) scaffolds with horizontally aligned, diagonally aligned and vertically aligned structure were fabricated via magnetic field-assisted Tetris-style stacking and carbonization process.
The obtained CF scaffolds/ polydimethylsiloxane composites showed ultrahigh thermal conductivity (above 40 W m⁻¹ K⁻¹) in the fiber alignment direction.
Fibers with different alignment direction can be combined by multiple stacking and carbonization process, allowing for the efficient heat transfer along customized paths.

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来源期刊

Nano-Micro Letters NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

42.40

自引率

4.90%

发文量

715

审稿时长

13 weeks

期刊介绍： Nano-Micro Letters is a peer-reviewed, international, interdisciplinary and open-access journal that focus on science, experiments, engineering, technologies and applications of nano- or microscale structure and system in physics, chemistry, biology, material science, pharmacy and their expanding interfaces with at least one dimension ranging from a few sub-nanometers to a few hundreds of micrometers. Especially, emphasize the bottom-up approach in the length scale from nano to micro since the key for nanotechnology to reach industrial applications is to assemble, to modify, and to control nanostructure in micro scale. The aim is to provide a publishing platform crossing the boundaries, from nano to micro, and from science to technologies.