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基于碳纤维的复合材料的"三合一"多尺度结构设计,用于个人电磁保护和热管理

Ming Zhou¹, Shujuan Tan², Jingwen Wang¹

¹College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, No. 29 Yudao Street, Nanjing, 210016, People's Republic of China.

Nano-micro letters

|July 10, 2023

概括

研究人员为可穿戴设备开发了一种灵活的复合材料,增强了热管理和电磁干扰 (EMI) 屏蔽. 这种材料结合了碳纤维,聚氨酸和银纳米线,以提高舒适性和安全性.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
可穿戴技术可穿戴技术

背景情况:

可穿戴设备需要有效的热管理和电磁干扰 (EMI) 屏蔽,以提高人类的舒适性和安全性.
开发能够整合这些特性的多功能材料是可穿戴技术的一个重大挑战.

研究的目的:

设计和制造一种新的多功能可穿戴复合材料.
为了增强单一材料的热绝缘,保温和EMI屏蔽能力.
调查复合材料的结构属性关系,用于先进的可穿戴应用.

主要方法:

使用碳纤维 (CF),聚亚尼林 (PANI) 和银纳米线 (Ag NWs) 制造一个"分支-树干"互锁的微/纳米结构.
利用聚多巴胺 (PDA) 在 PANI (分支) 和 CF (干) 之间进行牢固的附着.
机械性能,导热率,辐射率,EMI屏蔽和焦尔加热性能的表征.

主要成果:

复合材料表现出增强的机械性能,拉力应力为1.2 MPa,与原始材料相比增加了六倍.
由于协同作用的低导热率和辐射率,证明了出色的绝热和保温.
在低应用电压下显著提高了EMI屏蔽效率和朱尔加热性能.

结论:

"三合一"的多尺度设计有效地整合了CF,PANI和Ag NWs的特性.
开发的复合材料为可穿戴电磁保护和热能管理提供了一个有前途的战略.
这项工作突出了合理利用一维材料用于先进的可穿戴设备应用的潜力.

关键词:

碳纤维是一种碳纤维.电磁屏蔽是一种电磁屏蔽.多个尺度的设计设计.一维材料是一维材料.热管理是一种热管理.

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