The Priority and Challenge of High-Power Performance of Low-Platinum Proton-Exchange Membrane Fuel Cells.
1
Fuel Cell Activities, General Motors Global Product Development, Pontiac, Michigan 48340, United States
|
Publication type: Journal Article
Publication date: 2016-03-11
scimago Q1
wos Q1
SJR: 1.394
CiteScore: 8.7
Impact factor: 4.6
ISSN: 19487185
PubMed ID:
26961326
Physical and Theoretical Chemistry
General Materials Science
Abstract
Substantial progress has been made in reducing proton-exchange membrane fuel cell (PEMFC) cathode platinum loadings from 0.4-0.8 mgPt/cm(2) to about 0.1 mgPt/cm(2). However, at this level of cathode Pt loading, large performance loss is observed at high-current density (>1 A/cm(2)), preventing a reduction in the overall stack cost. This next developmental step is being limited by the presence of a resistance term exhibited at these lower Pt loadings and apparently due to a phenomenon at or near the catalyst surface. This issue can be addressed through the design of catalysts with high and stable Pt dispersion as well as through development and implementation of ionomers designed to interact with Pt in a way that does not constrain oxygen reduction reaction rates. Extrapolating from progress made in past decades, we are optimistic that the concerted efforts of materials and electrode designers can resolve this issue, thus enabling a large step toward fuel cell vehicles that are affordable for the mass market.
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Kongkanand A., Mathias M. F. The Priority and Challenge of High-Power Performance of Low-Platinum Proton-Exchange Membrane Fuel Cells. // Journal of Physical Chemistry Letters. 2016. Vol. 7. No. 7. pp. 1127-1137.
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Kongkanand A., Mathias M. F. The Priority and Challenge of High-Power Performance of Low-Platinum Proton-Exchange Membrane Fuel Cells. // Journal of Physical Chemistry Letters. 2016. Vol. 7. No. 7. pp. 1127-1137.
Cite this
RIS
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TY - JOUR
DO - 10.1021/acs.jpclett.6b00216
UR - https://doi.org/10.1021/acs.jpclett.6b00216
TI - The Priority and Challenge of High-Power Performance of Low-Platinum Proton-Exchange Membrane Fuel Cells.
T2 - Journal of Physical Chemistry Letters
AU - Kongkanand, Anusorn
AU - Mathias, Mark F.
PY - 2016
DA - 2016/03/11
PB - American Chemical Society (ACS)
SP - 1127-1137
IS - 7
VL - 7
PMID - 26961326
SN - 1948-7185
ER -
Cite this
BibTex (up to 50 authors)
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@article{2016_Kongkanand,
author = {Anusorn Kongkanand and Mark F. Mathias},
title = {The Priority and Challenge of High-Power Performance of Low-Platinum Proton-Exchange Membrane Fuel Cells.},
journal = {Journal of Physical Chemistry Letters},
year = {2016},
volume = {7},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021/acs.jpclett.6b00216},
number = {7},
pages = {1127--1137},
doi = {10.1021/acs.jpclett.6b00216}
}
Cite this
MLA
Copy
Kongkanand, Anusorn, and Mark F. Mathias. “The Priority and Challenge of High-Power Performance of Low-Platinum Proton-Exchange Membrane Fuel Cells..” Journal of Physical Chemistry Letters, vol. 7, no. 7, Mar. 2016, pp. 1127-1137. https://doi.org/10.1021/acs.jpclett.6b00216.