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Sensors 2009, 9(3), 1423-1432; doi:10.3390/s90301423

Real Time Monitoring of Temperature of a Micro Proton Exchange Membrane Fuel Cell

1,* , 1
1 and 1
1 Department of Mechanical Engineering, Yuan Ze Fuel Cell Center, Yuan Ze University, Taoyuan, Taiwan, R.O.C. 2 Department of Mechanical and Electro-Mechanical Engineering, National ILan University, ILan, Taiwan, R.O.C. 3 Department of Mechanical Engineering, National Taiwan University, Taipei, Taiwan, R.O.C.
* Author to whom correspondence should be addressed.
Received: 3 February 2009 / Revised: 27 February 2009 / Accepted: 2 March 2009 / Published: 3 March 2009
(This article belongs to the Section Chemical Sensors)
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Silicon micro-hole arrays (Si-MHA) were fabricated as a gas diffusion layer (GDL) in a micro fuel cell using the micro-electro-mechanical-systems (MEMS) fabrication technique. The resistance temperature detector (RTD) sensor was integrated with the GDL on a bipolar plate to measure the temperature inside the fuel cell. Experimental results demonstrate that temperature was generally linearly related to resistance and that accuracy and sensitivity were within 0.5 °C and 1.68×10-3/°C, respectively. The best experimental performance was 9.37 mW/cm2 at an H2/O2 dry gas flow rate of 30/30 SCCM. Fuel cell temperature during operation was 27 °C, as measured using thermocouples in contact with the backside of the electrode. Fuel cell operating temperature measured in situ was 30.5 °C.
Keywords: Si-MHA; MEMS; micro fuel cell; GDL; RTD sensor Si-MHA; MEMS; micro fuel cell; GDL; RTD sensor
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Lee, C.-Y.; Lee, S.-J.; Hu, Y.-C.; Shih, W.-P.; Fan, W.-Y.; Chuang, C.-W. Real Time Monitoring of Temperature of a Micro Proton Exchange Membrane Fuel Cell. Sensors 2009, 9, 1423-1432.

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