核心外工程填充器克服了电热导电性交易
PeiChi Liao1, Haichang Guo1, Hongyu Niu1
1School of Materials Science and Engineering, Peking University, Beijing 100871, China.
ACS nano
|October 24, 2024
概括
研究人员开发了新的核心填充剂,以管理电子产品中的热量. 这些材料具有高导热性和电绝缘性,性能优于先进电子包装的商业选择.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 电气工程 电气工程
背景情况:
- 现代电子产品需要具有可调节电特性 (导电性,介电性,绝缘性) 的热管理材料.
- 一个关键的挑战是现有材料中高热导率和高电导率之间的权衡.
- 电绝缘,但高导热的材料很少,限制了各种电子应用.
研究的目的:
- 为了克服热管理材料中的电热导电性权衡.
- 开发一种多功能且强大的方法,用于制备工程核心填充剂.
- 创建先进的复合材料,用于电子包装中的热管理.
主要方法:
- 基于Facile Pechini的方法用于合成多个核心 (金属) /外 (金属氧化物) 工程填充剂.
- 其中包括氧化涂层和氧化涂层银 (Ag) 微球.
- 这种方法与超快的焦尔加热处理相结合,可用于各种填充剂大小的多功能,包括大型填充剂.
主要成果:
- 合成的核心外填充剂,当合成环氧复合材料时,呈现出高同位热导率 (大约3.8W m-1K-1).
- 这些复合材料保持了高电阻 (大约1012 Ω cm) 和良好的流动性.
- 与商业导热包装材料相比,由此产生的复合材料显示出优异的散热能力.
结论:
- 开发的核心外填充器使得能够创建具有受控电性能的导热复合材料.
- 这种方法为新兴的电子包装应用提供了强大的解决方案,需要高效的热管理.
- 展示的应用包括电路板和电池的热管理,突出实用的实用性.
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