一种热色,粘弹性Nacre-like纳米复合材料用于平面电子的智能热管理
Jiemin Wang1, Tairan Yang2, Zequn Wang3
1College of Biomedical Engineering, Sichuan University, Chengdu, 610064, People's Republic of China.
Nano-micro letters
|July 5, 2023
概括
一种新的柔软的热色复合膜为灵活的电子产品提供了卓越的散热. 这种自我愈合的材料提供了高的导热性和粘附性,不需要接口材料,从而实现高效的冷却和视觉温度监测.
科学领域:
- 材料科学 材料科学 材料科学
- 热力工程是热力工程中的一个.
- 软电子是软电子的产品之一.
背景情况:
- 软和平面电子需要先进的散热器,具有高导热率,灵活性和自粘性.
- 类似纳克尔的复合材料提供良好的平面内散热,但缺乏粘性弹性,无法同时粘附和延伸.
- 现有的材料往往需要热接口材料,导致高的接口热阻抗.
研究的目的:
- 开发一种柔软的热色复合材料 (STC) 膜,用于灵活的电子产品中高效的散热.
- 为了同时实现高导热性,伸展性,自粘性和自我愈合性质.
- 通过视觉温度指示实现智能热管理.
主要方法:
- 一层层的软热色复合材料 (STC) 膜的制造.
- 热导电性,伸展性,粘合强度和自我愈合效率的表征.
- 评估STC膜作为软电子产品的自粘热散布器.
主要成果:
- 该STC膜表现出高的平面内导热率 (~30W m−1K−1) 和低的热接触电阻 (~12 mm2KW−1).
- 它表现出强大的附着力 (~4607 Jm-2) 和相当大的伸展性.
- 该材料表现出高效的冷却 (20°C下降与聚胺相比) 和有效的自我愈合能力.
结论:
- 开发的STC膜成功地作为软电子产品的自粘热散布器发挥作用.
- 它的独特特性,包括自我愈合和热色,使智能热管理和监控成为可能.
- 这种材料克服了传统散热器的局限性,为先进的灵活电子应用铺平了道路.
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