Significant performance improvement for micro-thermoelectric energy generator based on system analysis

Significant performance improvement for micro-thermoelectric energy generator based on system analysis
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基于系统分析的微型温差发电器性能显着提升

DOI:
10.1016/j.ijepes.2014.12.039
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发表时间:
2015-05
影响因子:
5.2
通讯作者:
Li, Tie
Li, Tie
中科院分区:
工程技术2区
文献类型:
--
作者:
Gao, Xiuli;Feng, Fei;Wang, Yuelin;Li, Tie

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本研究提出了一种基于系统分析优化的高性能微型热电发电机(μ-TEG)。系统分析表明了热电偶尺寸和阵列密度的热匹配要求,以最大化输出功率。通过测量参考器件的性能,可以轻松导出各种应用环境的复杂热特性,这是热匹配的必要参数。针对不同应用的 CMOS-MEMS 制造的 μ-TEG 模块进一步证明了该效果。手表-TEG 应用产生 0.32 μW 输出功率,比报道的类似材料的手表-TEG 设备实现了三个数量级的改进。
This study presents a high-performance micro-thermoelectric generator (μ-TEG) optimized based on a system analysis. The system analysis indicates the thermal matching requirement for thermocouples dimension and array density to maximize the output power. With the measured performance of a reference device, the complicated thermal properties of various application environments can be easily derived, which are necessary parameters for thermal matching. The effect has been further proved by a CMOS-MEMS fabricated μ-TEG module for different applications. The wristwatch-TEG application produces 0.32 μW output power, realizing an improvement of three orders of magnitudes for the reported wristwatch-TEG device of the similar materials.
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