通过碳化聚合物/Kevlar/石墨烯氧化物@ZIF-67双向复杂气凝封装相变材料实现多种能量转换和电磁屏蔽
Tao Shi1, Xing Gao1, Huan Liu2
1State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
Nano-micro letters
|April 27, 2025
概括
一种新的"五合一"复合材料集成了磁热,电热,太阳热和热电能转换与电磁屏蔽. 这一创新提高了能源效率和储存,用于各种应用.
科学领域:
- 材料科学 材料科学 材料科学
- 能源工程 能源工程
- 纳米技术 纳米技术
背景情况:
- 传统的能源系统在效率和路径优化方面存在局限性.
- 需要多功能材料来实现先进的能源转换和管理.
研究的目的:
- 开发一个小说.
- 五合一"多功能相变复合材料.
- 将磁热,电热,太阳热和热电能转换与电磁屏蔽相结合.
- 为多用途应用优化能源转换路径和效率.
主要方法:
- 使用抛 (PW) 和碳化聚胺/Kevlar/石墨烯氧化物@ZIF-67复合气凝制造复合材料.
- 使用独特的双向多孔结构用于PW支.
- 高温碳化以结减少的氧化石墨烯和CoNC,以提高热和磁性质.
主要成果:
- 复合材料表现出极好的太阳能热,热电,电热和磁热能量转换.
- 在X频段实现了66.2dB的高电磁干扰屏蔽效率.
- 在多能转换过程中,明显著提高了热能储能能力.
结论:
- 开发的相变复合材料显示了有效利用太阳能和可持续发电的巨大潜力.
- 该材料在户外除冰,人体热疗法和电子设备保护等领域的应用是有前途的.
- 这种多功能材料通过提供集成的能量转换和屏蔽能力来解决传统能源系统的局限性.
相关概念视频
Capacitor With A Dielectric
3.8K
Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
3.8K
Dual Nature of Electromagnetic (EM) Radiation
1.8K
Electromagnetic (EM) radiation consists of electric and magnetic field components oscillating in planes perpendicular to each other and mutually perpendicular to radiation propagation through space. EM radiation can be classified as a wave, characterized by the properties of waves such as wavelength (denoted as λ) and frequency (represented by ν).
Wavelength is the distance between two consecutive peaks (the highest point) or troughs (the lowest point) in the wave. Frequency is the...
Wavelength is the distance between two consecutive peaks (the highest point) or troughs (the lowest point) in the wave. Frequency is the...
1.8K
Schottky Barrier Diode
239
Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...
239


