Study of the Exchange Current Density for the Hydrogen Oxidation and Evolution Reactions
1
aGeneral Motors, Fuel Cell Activities, Honeoye Falls, New York 14472, USA
|
Publication type: Journal Article
Publication date: 2007-05-31
scimago Q1
wos Q2
SJR: 0.774
CiteScore: 6.1
Impact factor: 3.3
ISSN: 00134651, 19457111
Materials Chemistry
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Electrochemistry
Condensed Matter Physics
Renewable Energy, Sustainability and the Environment
Abstract
The exchange current density for the hydrogen oxidation/evolution reactions was determined in a proton exchange membrane fuel cell. Ultralow Pt-loaded electrodes (0.003 mg pt /cm 2 ) were used to obtain measurable kinetic overpotential signals (50 mV at 2 A/cm 2 ). Using a simple Butler-Volmer equation, the exchange current density and transfer coefficient were determined to lie within the range of 235-600 mA/cm 2 Pt and 0.5-1, respectively. Due to the fast kinetics, no measurable voltage losses are predicted for pure-H 2 /air proton exchange membrane fuel cell applications when lowering the anode Pt loadings from its current value of 0.4 mg pt /cm 2 to the automotive target of 0.05 mg pt /cm 2 .
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395
Total citations:
395
Citations from 2024:
49
(12.4%)
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GOST
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Neyerlin K. C. et al. Study of the Exchange Current Density for the Hydrogen Oxidation and Evolution Reactions // Journal of the Electrochemical Society. 2007. Vol. 154. No. 7. p. B631.
GOST all authors (up to 50)
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Neyerlin K. C., Gu W., Jorne J., Gasteiger H. Study of the Exchange Current Density for the Hydrogen Oxidation and Evolution Reactions // Journal of the Electrochemical Society. 2007. Vol. 154. No. 7. p. B631.
Cite this
RIS
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TY - JOUR
DO - 10.1149/1.2733987
UR - https://doi.org/10.1149/1.2733987
TI - Study of the Exchange Current Density for the Hydrogen Oxidation and Evolution Reactions
T2 - Journal of the Electrochemical Society
AU - Neyerlin, K. C.
AU - Gu, Wenbin
AU - Jorne, Jacob
AU - Gasteiger, Hubert
PY - 2007
DA - 2007/05/31
PB - The Electrochemical Society
SP - B631
IS - 7
VL - 154
SN - 0013-4651
SN - 1945-7111
ER -
Cite this
BibTex (up to 50 authors)
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@article{2007_Neyerlin,
author = {K. C. Neyerlin and Wenbin Gu and Jacob Jorne and Hubert Gasteiger},
title = {Study of the Exchange Current Density for the Hydrogen Oxidation and Evolution Reactions},
journal = {Journal of the Electrochemical Society},
year = {2007},
volume = {154},
publisher = {The Electrochemical Society},
month = {may},
url = {https://doi.org/10.1149/1.2733987},
number = {7},
pages = {B631},
doi = {10.1149/1.2733987}
}
Cite this
MLA
Copy
Neyerlin, K. C., et al. “Study of the Exchange Current Density for the Hydrogen Oxidation and Evolution Reactions.” Journal of the Electrochemical Society, vol. 154, no. 7, May. 2007, p. B631. https://doi.org/10.1149/1.2733987.