Cited by 586Fuel Cells and Related MaterialsElectrocatalysts for Energy ConversionAdvancements in Solid Oxide Fuel Cells

The CO Poisoning Effect in PEMFCs Operational at Temperatures up to 200°C

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Li, Qingfeng, He, Ronghuan, Gao, Ji-An, Jensen, Jens Oluf, Bjerrum, Niels. J.·2003·Journal of The Electrochemical Society

Abstract

The CO poisoning effect on carbon-supported platinum catalysts (at a loading of 0.5 mg per electrode) in polymer electrolyte membrane fuel cells (PEMFCs) has been investigated in a temperature range from 125 to 200°C with the phosphoric acid-doped polybenzimidazole membranes as electrolyte. The effect is very temperature-dependent and can be sufficiently suppressed at elevated temperature. By defining the CO tolerance as a voltage loss less than 10 mV, it is evaluated that 3% CO in hydrogen can be tolerated at current densities up to at 200°C, while at 125°C 0.1% CO in hydrogen can be tolerated at current densities lower than For comparison, the tolerance is only 0.0025% CO (25 ppm) at 80°C at current densities up to The relative anode activity for hydrogen oxidation was calculated as a function of the CO concentration and temperature. The effect of in hydrogen was also studied. At 175°C, 25% in the fuel stream showed only the dilution effect. © 2003 The Electrochemical Society. All rights reserved.

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  1. [1]1. D. P. Wilkinson and D. Thompsett, in Proceedings of the Second International Symposium on New Materials for Fuel-Cell and Modern Battery Systems, O. Sa- vadogo and P. R. Roberge, Editors, p. 266, Montre ´al, Canada ͑1997͒.
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Authors
Li, Q., He, R., Gao, J.-A., Jensen, J. O., & Bjerrum, N. J.
Affiliations
Technical University of Denmark (DK)
Venue
Journal of The Electrochemical Society
Published
2003
Volume
150
Issue
12
Pages
A1599
ISSN
0013-4651 (ISSN-L)
OpenAlex
W2043904343
Cited by
586
References
33
Citations by year
2026: 14 · 2025: 19 · 2024: 23 · 2023: 27 · 2022: 19 · 2021: 22 · 2020: 32 · 2019: 20 · 2018: 30 · 2017: 26 · 2016: 35 · 2015: 35 · 2014: 36 · 2013: 38 · 2012: 36
FWCI
14.05
Type
journal article
Language
en
Open access
Locations
  • Journal of The Electrochemical Society (publishedVersion)
  • Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU) (submittedVersion, other-oa)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Materials Science › Materials Chemistry › Advancements in Solid Oxide Fuel Cells
Keywords
CO poisoning, proton exchange membrane fuel cells, carbon-supported platinum, high-temperature fuel cells, CO tolerance, operating temperature effects

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