Advanced durability tests for high temperature PEM fuel cells

Yukwon Jeon; Hyung Kwon Hwang; Jeongho Park; So Me Jeon; Yong Gun Shul

doi:10.1149/05801.1655ecst

Advanced durability tests for high temperature PEM fuel cells

Yukwon Jeon, Hyung Kwon Hwang, Jeongho Park, So Me Jeon, Yong Gun Shul

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Durability has been considered a fundamental issue for commercialization of polymer electrolyte membrane fuel cell (PEMFC). Especially, recent developments have tended to focus on the PEMFC operating at high temperature range (>120°C) and low relative humidity (<40% RH) because of simplified system and high efficiency. In this study, advanced protocols for durability test based on degradation of high temperature PEMFC are developed, which include accelerated life time (ALT) test to save the time as well as cost. The ALT durability test is compared with the general constant (0.6V) mode test to investigate the different degradation behavior. The electrochemical analyses of membrane electrode assembly (MEA) were confirmed by polarization curve and impedance spectroscopy.

Original language	English
Pages (from-to)	1655-1658
Number of pages	4
Journal	ECS Transactions
Volume	58
Issue number	1
DOIs	https://doi.org/10.1149/05801.1655ecst
Publication status	Published - 2013

All Science Journal Classification (ASJC) codes

Engineering(all)

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AU - Jeon, Yukwon

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PY - 2013

Y1 - 2013

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AB - Durability has been considered a fundamental issue for commercialization of polymer electrolyte membrane fuel cell (PEMFC). Especially, recent developments have tended to focus on the PEMFC operating at high temperature range (>120°C) and low relative humidity (<40% RH) because of simplified system and high efficiency. In this study, advanced protocols for durability test based on degradation of high temperature PEMFC are developed, which include accelerated life time (ALT) test to save the time as well as cost. The ALT durability test is compared with the general constant (0.6V) mode test to investigate the different degradation behavior. The electrochemical analyses of membrane electrode assembly (MEA) were confirmed by polarization curve and impedance spectroscopy.

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Advanced durability tests for high temperature PEM fuel cells

Abstract

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