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• Chan, P
• Lee, C
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• Chan, P
• Lee, C
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• Chan, P
• Lee, C

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Sensors 2010, 10(12), 11605-11617; doi:10.3390/s101211605

Article

Use of Multi-Functional Flexible Micro-Sensors for in situ Measurement of Temperature, Voltage and Fuel Flow in a Proton Exchange Membrane Fuel Cell

Chi-Yuan Lee* , Pin-Cheng Chan and Chung-Ju Lee

Department of Mechanical Engineering, Yuan Ze Fuel Cell Center, Yuan Ze University, Taoyuan, Taiwan

* Author to whom correspondence should be addressed.

Received: 12 November 2010; in revised form: 9 December 2010 / Accepted: 14 December 2010 / Published: 20 December 2010

(This article belongs to the Section Physical Sensors)

Download PDF Full-Text [666 KB, uploaded 20 December 2010 15:21 CET]

Abstract: Temperature, voltage and fuel flow distribution all contribute considerably to fuel cell performance. Conventional methods cannot accurately determine parameter changes inside a fuel cell. This investigation developed flexible and multi-functional micro sensors on a 40 μm-thick stainless steel foil substrate by using micro-electro-mechanical systems (MEMS) and embedded them in a proton exchange membrane fuel cell (PEMFC) to measure the temperature, voltage and flow. Users can monitor and control in situ the temperature, voltage and fuel flow distribution in the cell. Thereby, both fuel cell performance and lifetime can be increased.

Keywords: multi-functional flexible micro-sensors; in situ; PEMFC

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