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标准参考热电模块的开发:通过金属材料和几何热电腿形状提高耐用性和可重复性

EunA Koo¹, Hanhwi Jang², Yeon Sik Jung²

¹Korea Institute of Energy Research, 152 Gajeong-ro, Yuseong-gu, Daejeon 34129, Republic of Korea.

ACS applied materials & interfaces

|September 29, 2025

概括

一个新的标准参考热电模块 (SRTEM) 提高了测量可重复性. 这种新型模块提高了输出电压,并确保了可靠的热电评估的一致性能.

科学领域:

材料科学材料科学材料科学
固态物理固态物理
计量学计量学计量学

背景情况:

热电测量的可复制性和可比性对于研究至关重要.
目前的方法缺乏标准化的校准平台,阻碍了跨实验室验证.
在热电研究中,对可靠的标准模块的需求尚未得到满足.

研究的目的:

为可重复的热电测量开发一个标准的参考热电模块 (SRTEM).
为实验室提供一个校准平台,用于标准化热电测量.
为学术和工业使用建立一个科学验证的参考标准.

主要方法:

使用p型克罗梅尔和n型康斯坦坦或合金制造SRTEM.
采用"空洞的沙钟"腿形几何来增强热阻和输出电压.
采用金属对金属的直接粘合,使电接触稳定,电阻低.

主要成果:

该SRTEM实现了89mV的开放电路电压 (Voc),比传统模块提高了32.8%.
由于金属与金属的直接结合,证明了稳定的电接触与低电阻.
在300个热周期 (~210小时) 中保持一致的性能,没有降解.

结论:

该SRTEM作为一个可重现的校准平台用于热电测量.
开发的模块提供了增强的输出电压和长期性能稳定性.
该SRTEM为研究和工业中可靠的热电评估建立了新的标准.

关键词:

校准校准的时间腿的形状腿的形状标准参考热电模块 (SRTEM) 是一个标准参考热电模块.热电阻热电阻热电阻热电测量热电测量热电学热电学热电学

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