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首页> 外文期刊>International Journal of Heat and Mass Transfer >Thin film thermocouple fabrication and its application for real-time temperature measurement inside PEMFC
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Thin film thermocouple fabrication and its application for real-time temperature measurement inside PEMFC

机译：薄膜热电偶制造及其在PEMFC内部实时温度测量的应用

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摘要

Temperature distribution in proton exchange membrane fuel cell (PEMFC) is of great importance to water and thermal management. In this study, 25 mu m thick Type-T thin film thermocouples (TFTCs) were fabricated using micro-electro-mechanical system (MEMS) to realize the real-time measurement of temperature distribution inside PEMFC. Besides, fifteen sheathed thermocouples were used to measure the temperature distribution outside the cell. The effect of inserting TFTCs on the cell performance was confirmed to be negligible. The experimental results show that the embedded TFTCs can rapidly response to temperature regime while have a minimal interference to the performance of the fuel cell. The temperature variation of the inside TFTCs with current generally has the same trend with the outside sheathed thermocouples, but with a more frequent fluctuation due to their small thermal inertia and inside complex environment. In this work, the details of MEMS-based techniques of making TFTCs and measured distribution of inside cell temperature are provided. (C) 2019 Published by Elsevier Ltd.
机译：质子交换膜燃料电池（PEMFC）的温度分布非常重要，对水和热管理非常重要。在该研究中，使用微机电系统（MEMS）制造25μm厚的Type-T薄膜热电偶（TFTCS），以实现PEMFC内温度分布的实时测量。此外，使用十五个护套热电偶测量电池外的温度分布。将TFCS在细胞性能上插入TFCS对细胞性能的影响是可忽略不计的。实验结果表明，嵌入式TFCS可以迅速响应温度制度，同时对燃料电池的性能进行最小的干扰。具有电流的内部TFCS的温度变化通常具有与外侧护套热电偶相同的趋势，但由于其小的热惯性和内部复杂环境而具有更频繁的波动。在这项工作中，提供了制备TFCS的基于MEMS的技术的细节和测量细胞温度的测量分布。 （c）2019年由elestvier有限公司发布

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2019年第10期|1152-1158|共7页
  • 作者

    Tang Yu-Qing; Fang Wen-Zhen; Lin Hong; Tao Wen-Quan;

  • 作者单位

    Xi An Jiao Tong Univ Sch Energy & Power Engn Key Lab Thermofluid Sci & Engn MOE Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Sch Energy & Power Engn Key Lab Thermofluid Sci & Engn MOE Xian 710049 Shaanxi Peoples R China|Nanyang Technol Univ Sch Mech & Aerosp Engn Singapore 639798 Singapore;

    Xi An Jiao Tong Univ Sch Energy & Power Engn Key Lab Thermofluid Sci & Engn MOE Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Sch Energy & Power Engn Key Lab Thermofluid Sci & Engn MOE Xian 710049 Shaanxi Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    PEMFC; MEMS; Thin film thermocouple; Real-time temperature measurement;

    机译：PEMFC;MEMS;薄膜热电偶;实时温度测量;

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