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

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

1,* , 1
,
2
,
3
,
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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Abstract

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 3.0).

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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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