RESEARCH ON TEMPERATURE MONITORING TECHNOLOGY OF PEMFC BASED ON FIBER BRAGG GRATING SENSOR

Liu Kangjie; Chen Tao; Zhang Cheng; Liu Shihua; Song Han

doi:10.19912/j.0254-0096.tynxb.2020-1057

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (6) : 546-550. DOI: 10.19912/j.0254-0096.tynxb.2020-1057

RESEARCH ON TEMPERATURE MONITORING TECHNOLOGY OF PEMFC BASED ON FIBER BRAGG GRATING SENSOR

Liu Kangjie¹, Chen Tao¹, Zhang Cheng¹, Liu Shihua², Song Han¹

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Abstract

In this paper, the fiber bragg grating（FBG） sensing technology is employed to realize the real-time monitoring of the temperature inside fuel cell. The real-time temperature changes under different current conditions are measured by the FBG sensors sealed and embedded in the cathode flow field plate of PEMFC. Results show that the FBG sensors can obtain the real-time in-situ temperature of multiple points inside PEMFC, and with the step change of current density, the temperature also presents a step change. Besides, the temperature can be reduced when the cathode use a large amount of gas supply. The method provides a technical reference and implementation scheme for in-situ monitoring of internal state parameters of PEMFC.

Key words

proton exchange membrane fuel cell / fiber bragg grating monitoring / temperature field / current density

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Liu Kangjie, Chen Tao, Zhang Cheng, Liu Shihua, Song Han. RESEARCH ON TEMPERATURE MONITORING TECHNOLOGY OF PEMFC BASED ON FIBER BRAGG GRATING SENSOR[J]. Acta Energiae Solaris Sinica. 2022, 43(6): 546-550 https://doi.org/10.19912/j.0254-0096.tynxb.2020-1057

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