多功能超水型Ti3C2TxMXene/PMMA薄膜具有可靠的抗/脱冰和EMI屏蔽性能
Siyu Liu1, Weiyu Wang1, Zhongzheng Zhu1
1State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
ACS applied materials & interfaces
|February 3, 2026
概括
一种新的Ti3C2Tx MXene/PMMA薄膜为寒冷环境的电子产品提供了结合的抗结冰,脱冰和电磁干扰 (EMI) 屏蔽. 这种超疏水性材料有效地防止和去除冰以最小的能量,确保设备的可靠性.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 表面科学是一门学科.
背景情况:
- 在极寒的电子设备需要电磁干扰 (EMI) 屏蔽和防冰/脱冰. 现有的材料往往缺乏集成的功能.
- 对于结合这些能力的多功能保护材料的需求在户外基站和极地无人机等应用中很高.
研究的目的:
- 开发一种新型薄膜材料,集成超性,抗结冰性,脱冰性和EMI屏蔽性.
- 为了研究Ti3C2Tx MXene/poly(methyl methacrylate) (PMMA) 复合膜的结构性质关系,用于极寒应用.
主要方法:
- 通过静电力制造使用Ti3C2Tx MXene片和PMMA微球的多功能薄膜.
- 在模拟的寒冷和潮湿条件下,表征表面形态,疏水性 (水接触角度),光吸收性和抗结冰/脱冰性能.
- 在X频段对电磁干扰屏蔽效率 (EMI SE) 的评估.
主要成果:
- Ti3C2Tx MXene/PMMA 薄膜表现出超性 (155.6°接触角度) 和高光吸收性 (89.56%).
- 该膜表现出有效的抗结冰和脱冰能力,在最小的能量投入下,在1000多秒内保持无冰状态.
- 获得了优异的EMI屏蔽性能,EMI SE为54.2dB,厚度为35±7μm.
结论:
- 开发的Ti3C2Tx MXene/PMMA薄膜成功地集成了防冰/脱冰和EMI屏蔽功能.
- 这种材料为提高在极寒环境中运行的电子设备的可靠性提供了有希望的解决方案.
- 理性设计为创造高要求应用的先进多功能材料提供了一条途径.
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