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相关概念视频

Non-ohmic Devices00:51

Non-ohmic Devices

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In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
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Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation
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基于GeTe的先进热电:从性能优化到设备的路径绘制.

Yang Jin1,2,3, Yuting Qiu4, Caofeng Pan3

  • 1School of Materials Science and Engineering, Beihang University, Beijing, 100191, China.

Advanced materials (Deerfield Beach, Fla.)
|April 9, 2025
PubMed
概括
此摘要是机器生成的。

telluride (GeTe) 是一个有前途的热电材料用于能量转换. 研究评论研究评论 GeTeTe

关键词:
标签: 大家来了设备设备的设备设备的设备.性能优化 优化 性能优化热电材料是一种热电材料.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 固态物理 固态物理

背景情况:

  • 热电 (TE) 材料相互转换热和电,对于制冷和发电至关重要.
  • 化 (GeTe) 是一种具有卓越性能的杰出TE材料,吸引了大量的研究兴趣.

研究的目的:

  • 审查基于GeTe的热电材料的研究进展.
  • 详细阐述GeTe.Te的内在特性和优化策略.
  • 从GeTe材料优化到设备集成的发展路径.

主要方法:

  • 审查内在的特性:晶体结构,带结构和微观结构.
  • 优化合成过程以防止Ge沉和声子散射.
  • 通过兴奋剂,合金和利用相位过渡来提高热电性能.

主要成果:

  • 通过其结构性和电子性质,GeTe的潜力得到了阐述.
  • 合成优化和材料增强策略提高了TE的性能.
  • 介绍了GeTe热电设备集成方面的进展.

结论:

  • GeTe是一种具有可调节性质的非常有前途的热电材料.
  • 确定了基于GeTe的热电材料的进一步研究方向和挑战.
  • 提出了未来开发GeTe热电材料和设备的路线图.