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Effect of non-active area on the performance of subgasketed MEAs in PEMFC

Subgaskets are usually applied to a catalyst-coated membrane (CCM) for the edge-protection of the electrolyte membrane and easy handling. They cover the peripheral region (non-active area) of CCM and have a defined window (active area) for accommodating the electrode. In this study, three subgaskete... Full description

Journal Title: International Journal of Hydrogen Energy Jun 1, 2013, Vol.38(18), pp.7400-7406
Main Author: Zhao, Xinsheng
Other Authors: Fu, Yongzhu , Li, Wei , Manthiram, Arumugam
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0360-3199 ; DOI: 10.1016/j.ijhydene.2013.03.160
Link: http://search.proquest.com/docview/1506408182/?pq-origsite=primo
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recordid: proquest1506408182
title: Effect of non-active area on the performance of subgasketed MEAs in PEMFC
format: Article
creator:
  • Zhao, Xinsheng
  • Fu, Yongzhu
  • Li, Wei
  • Manthiram, Arumugam
subjects:
  • Membranes
  • Electrolytic Cells
  • Fuel Cells
  • Guidelines
  • Electrodes
  • Low Currents
  • Catalysts
  • Crossovers
ispartof: International Journal of Hydrogen Energy, Jun 1, 2013, Vol.38(18), pp.7400-7406
description: Subgaskets are usually applied to a catalyst-coated membrane (CCM) for the edge-protection of the electrolyte membrane and easy handling. They cover the peripheral region (non-active area) of CCM and have a defined window (active area) for accommodating the electrode. In this study, three subgasketed CCMs with different configurations were designed with a laboratory-scale 5 cm2 fuel cell and the effects of the components underneath the subgaskets on the electrochemical properties of CCMs and cell performance were investigated by several electrochemical techniques. The results reveal that part of the catalyst layer under the subgaskets is activated for reaction area, leading to slightly higher electrochemical surface area (ESA), higher H2 crossover, and smaller shorting resistance. The non-active region of subgasketed CCM has little impact on proton resistance in the catalyst layer, oxygen reduction reaction (ORR) kinetics, and limiting current, but has adverse effects...
language: eng
source:
identifier: ISSN: 0360-3199 ; DOI: 10.1016/j.ijhydene.2013.03.160
fulltext: no_fulltext
issn:
  • 03603199
  • 0360-3199
url: Link


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titleEffect of non-active area on the performance of subgasketed MEAs in PEMFC
creatorZhao, Xinsheng ; Fu, Yongzhu ; Li, Wei ; Manthiram, Arumugam
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ispartofInternational Journal of Hydrogen Energy, Jun 1, 2013, Vol.38(18), pp.7400-7406
identifierISSN: 0360-3199 ; DOI: 10.1016/j.ijhydene.2013.03.160
subjectMembranes ; Electrolytic Cells ; Fuel Cells ; Guidelines ; Electrodes ; Low Currents ; Catalysts ; Crossovers
descriptionSubgaskets are usually applied to a catalyst-coated membrane (CCM) for the edge-protection of the electrolyte membrane and easy handling. They cover the peripheral region (non-active area) of CCM and have a defined window (active area) for accommodating the electrode. In this study, three subgasketed CCMs with different configurations were designed with a laboratory-scale 5 cm2 fuel cell and the effects of the components underneath the subgaskets on the electrochemical properties of CCMs and cell performance were investigated by several electrochemical techniques. The results reveal that part of the catalyst layer under the subgaskets is activated for reaction area, leading to slightly higher electrochemical surface area (ESA), higher H2 crossover, and smaller shorting resistance. The non-active region of subgasketed CCM has little impact on proton resistance in the catalyst layer, oxygen reduction reaction (ORR) kinetics, and limiting current, but has adverse effects...
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titleEffect of non-active area on the performance of subgasketed MEAs in PEMFC
descriptionSubgaskets are usually applied to a catalyst-coated membrane (CCM) for the edge-protection of the electrolyte membrane and easy handling. They cover the peripheral region (non-active area) of CCM and have a defined window (active area) for accommodating the electrode. In this study, three subgasketed CCMs with different configurations were designed with a laboratory-scale 5 cm2 fuel cell and the effects of the components underneath the subgaskets on the electrochemical properties of CCMs and cell performance were investigated by several electrochemical techniques. The results reveal that part of the catalyst layer under the subgaskets is activated for reaction area, leading to slightly higher electrochemical surface area (ESA), higher H2 crossover, and smaller shorting resistance. The non-active region of subgasketed CCM has little impact on proton resistance in the catalyst layer, oxygen reduction reaction (ORR) kinetics, and limiting current, but has adverse effects...
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abstractSubgaskets are usually applied to a catalyst-coated membrane (CCM) for the edge-protection of the electrolyte membrane and easy handling. They cover the peripheral region (non-active area) of CCM and have a defined window (active area) for accommodating the electrode. In this study, three subgasketed CCMs with different configurations were designed with a laboratory-scale 5 cm2 fuel cell and the effects of the components underneath the subgaskets on the electrochemical properties of CCMs and cell performance were investigated by several electrochemical techniques. The results reveal that part of the catalyst layer under the subgaskets is activated for reaction area, leading to slightly higher electrochemical surface area (ESA), higher H2 crossover, and smaller shorting resistance. The non-active region of subgasketed CCM has little impact on proton resistance in the catalyst layer, oxygen reduction reaction (ORR) kinetics, and limiting current, but has adverse effects...
doi10.1016/j.ijhydene.2013.03.160
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date2013-06-01