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Sensors 2016, 16(10), 1731;

In-Situ Measurement of High-Temperature Proton Exchange Membrane Fuel Cell Stack Using Flexible Five-in-One Micro-Sensor

Department of Mechanical Engineering, Yuan Ze Fuel Cell Center, Yuan Ze University, Taoyuan 320, Taiwan
Author to whom correspondence should be addressed.
Academic Editor: Stefano Mariani
Received: 10 June 2016 / Revised: 12 October 2016 / Accepted: 13 October 2016 / Published: 18 October 2016
(This article belongs to the Special Issue Modeling, Testing and Reliability Issues in MEMS Engineering)
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In the chemical reaction that proceeds in a high-temperature proton exchange membrane fuel cell stack (HT-PEMFC stack), the internal local temperature, voltage, pressure, flow and current nonuniformity may cause poor membrane material durability and nonuniform fuel distribution, thus influencing the performance and lifetime of the fuel cell stack. In this paper micro-electro-mechanical systems (MEMS) are utilized to develop a high-temperature electrochemical environment-resistant five-in-one micro-sensor embedded in the cathode channel plate of an HT-PEMFC stack, and materials and process parameters are appropriately selected to protect the micro-sensor against failure or destruction during long-term operation. In-situ measurement of the local temperature, voltage, pressure, flow and current distributions in the HT-PEMFC stack is carried out. This integrated micro-sensor has five functions, and is favorably characterized by small size, good acid resistance and temperature resistance, quick response, real-time measurement, and the goal is being able to be put in any place for measurement without affecting the performance of the battery. View Full-Text
Keywords: five-in-one micro-sensor; HT-PEMFC stack; in-situ measurement five-in-one micro-sensor; HT-PEMFC stack; in-situ measurement

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Lee, C.-Y.; Weng, F.-B.; Kuo, Y.-W.; Tsai, C.-H.; Cheng, Y.-T.; Cheng, C.-K.; Lin, J.-T. In-Situ Measurement of High-Temperature Proton Exchange Membrane Fuel Cell Stack Using Flexible Five-in-One Micro-Sensor. Sensors 2016, 16, 1731.

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