太赫兹辐射下Nafion®质子交换膜的定量视频速率水化成像

2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2019-10-21 DOI:10.1109/IRMMW-THz.2019.8874199

Décio F. Alves de Lima, R. Letizia, Richard Dawson, Hungyen Lin

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引用次数: 0

摘要

Nafion®聚合物膜是质子交换膜燃料电池(PEMFC)的主要电解质材料，需要充分的水合作用才能达到高质子导电性。与周围聚合物组件相比，液态水的太赫兹(THz)辐射衰减相对较高，因此可以观察到Nafion®膜中水积聚的对比。本文研究了一种用于Nafion®聚合物膜中液态水测绘和定量的小型太赫兹相机的可行性。

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Quantitative video-rate hydration imaging of Nafion® proton exchange membranes with THz radiation

Nafion® polymeric membranes are the prime electrolyte material for proton exchange membrane fuel cells (PEMFC), requiring adequate hydration in order to reach high proton conductivity. The relatively high attenuation of terahertz (THz) radiation of liquid water compared to the surrounding polymer assembly enables a contrast to be observed for inspecting water build-up in Nafion® membranes. This paper investigates the feasibility of a compact THz camera for liquid water mapping and quantification in Nafion® polymeric membrane.

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来源期刊

2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

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