Nanofiber Fuel Cell MEAs with a PtCo/C Cathode
Abstract
PtCo/C and Pt/C catalyst powders were incorporated into electrospun nanofiber and conventional sprayed cathode membrane-electrode-assemblies (MEAs) at a fixed electrode loading of 0.1 mgPt/cm2. The binder for PtCo/C nanofiber cathodes and Pt/C nanofiber anodes was a mixture of Nafion and poly(acrylic acid) (PAA), whereas the sprayed electrode MEAs utilized a neat Nafion binder. The structure of electrospun fibers was analyzed by scanning transmission electron microscopy (STEM) and energy-dispersive X-ray spectroscopy (EDS), which showed that the fibers were ~30% porous with a uniform distribution of catalyst and binder in the axial and radial fiber directions. The initial performance of nanofiber MEAs at 80°C was 20% better than the sprayed electrode MEA (a maximum power density of 1,045 mW/cm2 vs. 869 mW/cm2). The benefit of the nanofiber electrode morphology was most evident at end-of-test (after a metal dissolution accelerated stress test), where power densities dropped by only 8%, after 30,000 square wave voltage cycles (0.6 V to 0.95 V), as compared to a 35% drop in the maximum power for the sprayed electrode MEA. The use of a recovery protocol improved the initial performance of a nanofiber MEA by ~13%, to 1,070 mW/cm2 at 0.65 V, and increased the power after amore »
- Authors:
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Hydrogen Fuel Cell Technologies Office
- OSTI Identifier:
- 1508200
- Alternate Identifier(s):
- OSTI ID: 1525856; OSTI ID: 1531230
- Report Number(s):
- LA-UR-19-21920
Journal ID: ISSN 0013-4651; /jes/166/7/F3202.atom
- Grant/Contract Number:
- EE0007653; 89233218CNA000001; AC05-00OR22725
- Resource Type:
- Published Article
- Journal Name:
- Journal of the Electrochemical Society
- Additional Journal Information:
- Journal Name: Journal of the Electrochemical Society Journal Volume: 166 Journal Issue: 7; Journal ID: ISSN 0013-4651
- Publisher:
- The Electrochemical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; Energy Sciences; Fuel Cells - PEM; electrospinning
Citation Formats
Slack, J. J., Gumeci, C., Dale, N., Parrondo, J., Macauley, N., Mukundan, R., Cullen, D., Sneed, B., More, K., and Pintauro, P. N. Nanofiber Fuel Cell MEAs with a PtCo/C Cathode. United States: N. p., 2019.
Web. doi:10.1149/2.0151907jes.
Slack, J. J., Gumeci, C., Dale, N., Parrondo, J., Macauley, N., Mukundan, R., Cullen, D., Sneed, B., More, K., & Pintauro, P. N. Nanofiber Fuel Cell MEAs with a PtCo/C Cathode. United States. https://doi.org/10.1149/2.0151907jes
Slack, J. J., Gumeci, C., Dale, N., Parrondo, J., Macauley, N., Mukundan, R., Cullen, D., Sneed, B., More, K., and Pintauro, P. N. Mon .
"Nanofiber Fuel Cell MEAs with a PtCo/C Cathode". United States. https://doi.org/10.1149/2.0151907jes.
@article{osti_1508200,
title = {Nanofiber Fuel Cell MEAs with a PtCo/C Cathode},
author = {Slack, J. J. and Gumeci, C. and Dale, N. and Parrondo, J. and Macauley, N. and Mukundan, R. and Cullen, D. and Sneed, B. and More, K. and Pintauro, P. N.},
abstractNote = {PtCo/C and Pt/C catalyst powders were incorporated into electrospun nanofiber and conventional sprayed cathode membrane-electrode-assemblies (MEAs) at a fixed electrode loading of 0.1 mgPt/cm2. The binder for PtCo/C nanofiber cathodes and Pt/C nanofiber anodes was a mixture of Nafion and poly(acrylic acid) (PAA), whereas the sprayed electrode MEAs utilized a neat Nafion binder. The structure of electrospun fibers was analyzed by scanning transmission electron microscopy (STEM) and energy-dispersive X-ray spectroscopy (EDS), which showed that the fibers were ~30% porous with a uniform distribution of catalyst and binder in the axial and radial fiber directions. The initial performance of nanofiber MEAs at 80°C was 20% better than the sprayed electrode MEA (a maximum power density of 1,045 mW/cm2 vs. 869 mW/cm2). The benefit of the nanofiber electrode morphology was most evident at end-of-test (after a metal dissolution accelerated stress test), where power densities dropped by only 8%, after 30,000 square wave voltage cycles (0.6 V to 0.95 V), as compared to a 35% drop in the maximum power for the sprayed electrode MEA. The use of a recovery protocol improved the initial performance of a nanofiber MEA by ~13%, to 1,070 mW/cm2 at 0.65 V, and increased the power after a metal dissolution stress test by 5–10% (e.g. 840 mW/cm2 at 0.65 V after 30,000 voltage cycles). At rated power, the nanofiber MEA generated more than 1,000 mW/cm2 at 99°C and a pressure of 250 kPaabs. The high performance and durability of PtCo/C nanofiber cathode MEAs is due to the combined effects of a highly active cathode catalyst and the unique nanofiber electrode morphology, where there is a uniform distribution of catalyst and binder (no agglomeration) and short transport pathways across the submicron diameter fibers (which lowers gas transfer resistance and facilitates water removal from the cathode).},
doi = {10.1149/2.0151907jes},
journal = {Journal of the Electrochemical Society},
number = 7,
volume = 166,
place = {United States},
year = {2019},
month = {4}
}
https://doi.org/10.1149/2.0151907jes
Web of Science
Figures / Tables:

Works referenced in this record:
Analysis of electrochemical impedance spectroscopy in proton exchange membrane fuel cells
journal, January 2005
- Gomadam, Parthasarathy M.; Weidner, John W.
- International Journal of Energy Research, Vol. 29, Issue 12
Measurement of Catalyst Layer Electrolyte Resistance in PEFCs Using Electrochemical Impedance Spectroscopy
journal, January 2005
- Makharia, Rohit; Mathias, Mark F.; Baker, Daniel R.
- Journal of The Electrochemical Society, Vol. 152, Issue 5
Analysis of Reactant Gas Transport in Catalyst Layers; Effect of Pt-loadings
conference, January 2009
- Sakai, Kei; Sato, Kazuyuki; Mashio, Tetsuya
- 216th ECS Meeting, ECS Transactions
The Priority and Challenge of High-Power Performance of Low-Platinum Proton-Exchange Membrane Fuel Cells
journal, March 2016
- Kongkanand, Anusorn; Mathias, Mark F.
- The Journal of Physical Chemistry Letters, Vol. 7, Issue 7
Quantum jumps in the PEMFC science and technology from the 1960s to the year 2000
journal, December 2001
- Costamagna, Paola; Srinivasan, Supramaniam
- Journal of Power Sources, Vol. 102, Issue 1-2
Determination of Electrode Sheet Resistance in Cathode Catalyst Layer by AC Impedance
conference, January 2007
- Liu, Yuxiu; Murphy, Michael; Baker, Daniel
- 212th ECS Meeting, ECS Transactions
Power Output and Durability of Electrospun Fuel Cell Fiber Cathodes with PVDF and Nafion/PVDF Binders
journal, January 2016
- Brodt, Matthew; Wycisk, Ryszard; Dale, Nilesh
- Journal of The Electrochemical Society, Vol. 163, Issue 5
Analysis of Reactant Gas Transport in a Catalyst Layer
conference, January 2007
- Mashio, Tetsuya; Ohma, Atsushi; Yamamoto, Shinji
- 212th ECS Meeting, ECS Transactions
Measurement of Oxygen Transport Resistance in PEM Fuel Cells by Limiting Current Methods
journal, January 2009
- Baker, Daniel R.; Caulk, David A.; Neyerlin, Kenneth C.
- Journal of The Electrochemical Society, Vol. 156, Issue 9
The Impact of Platinum Loading on Oxygen Transport Resistance
journal, January 2012
- Greszler, Thomas A.; Caulk, David; Sinha, Puneet
- Journal of The Electrochemical Society, Vol. 159, Issue 12
Activity benchmarks and requirements for Pt, Pt-alloy, and non-Pt oxygen reduction catalysts for PEMFCs
journal, March 2005
- Gasteiger, Hubert A.; Kocha, Shyam S.; Sompalli, Bhaskar
- Applied Catalysis B: Environmental, Vol. 56, Issue 1-2, p. 9-35
Electrochemistry and the Future of the Automobile
journal, June 2010
- Wagner, Frederick T.; Lakshmanan, Balasubramanian; Mathias, Mark F.
- The Journal of Physical Chemistry Letters, Vol. 1, Issue 14
Catalyst Durability in PEM Fuel Cells with Low Platinum Loading
journal, January 2012
- Arisetty, S.; Wang, X.; Ahluwalia, R. K.
- Journal of The Electrochemical Society, Vol. 159, Issue 5
Analysis of proton exchange membrane fuel cell catalyst layers for reduction of platinum loading at Nissan
journal, December 2011
- Ohma, Atsushi; Mashio, Tetsuya; Sato, Kazuyuki
- Electrochimica Acta, Vol. 56, Issue 28
Effects of geometric and electronic factors on ORR activity of carbon supported Pt–Co electrocatalysts in PEM fuel cells
journal, September 2005
- Antolini, E.; Salgado, J.; Giz, M.
- International Journal of Hydrogen Energy, Vol. 30, Issue 11
The Impact of Platinum Reduction on Oxygen Transport in Proton Exchange Membrane Fuel Cells
journal, January 2014
- Fukuyama, Yosuke; Shiomi, Takeshi; Kotaka, Toshikazu
- Electrochimica Acta, Vol. 117
Fabrication, In-Situ Performance, and Durability of Nanofiber Fuel Cell Electrodes
journal, November 2014
- Brodt, Matthew; Han, Taehee; Dale, Nilesh
- Journal of The Electrochemical Society, Vol. 162, Issue 1
PtCo/C cathode catalyst for improved durability in PEMFCs
journal, June 2005
- Yu, Ping; Pemberton, Marianne; Plasse, Paul
- Journal of Power Sources, Vol. 144, Issue 1
Effect of different substrates, inks composition and rheology on coating deposition of microporous layer (MPL) for PEM-FCs
journal, September 2009
- Gallo Stampino, Paola; Cristiani, Cinzia; Dotelli, Giovanni
- Catalysis Today, Vol. 147
Pt-Based Core–Shell Catalyst Architectures for Oxygen Fuel Cell Electrodes
journal, September 2013
- Oezaslan, Mehtap; Hasché, Frédéric; Strasser, Peter
- The Journal of Physical Chemistry Letters, Vol. 4, Issue 19
Changes in electronic states of platinum–cobalt alloy catalyst for polymer electrolyte fuel cells by potential cycling
journal, October 2011
- Hidai, Shoichi; Kobayashi, Masaki; Niwa, Hideharu
- Journal of Power Sources, Vol. 196, Issue 20
Membrane and Catalyst Performance Targets for Automotive Fuel Cells by FCCJ Membrane, Catalyst, MEA WG
conference, January 2011
- Ohma, Atsushi; Shinohara, Kazuhiko; Iiyama, Akihiro
- 220th ECS Meeting, ECS Transactions
Suppression of oxygen reduction reaction activity on Pt-based electrocatalysts from ionomer incorporation
journal, September 2016
- Shinozaki, Kazuma; Morimoto, Yu; Pivovar, Bryan S.
- Journal of Power Sources, Vol. 325
Advanced Platinum Alloy Electrocatalysts for the Oxygen Reduction Reaction
journal, April 2012
- Wang, Chao; Markovic, Nenad M.; Stamenkovic, Vojislav R.
- ACS Catalysis, Vol. 2, Issue 5
Oxygen Reduction Reaction at Three-Phase Interfaces
journal, July 2010
- Subbaraman, Ram; Strmcnik, Dusan; Paulikas, Arvydas P.
- ChemPhysChem, Vol. 11, Issue 13
High-Performance Nanofiber Fuel Cell Electrodes
journal, November 2011
- Zhang, Wenjing; Pintauro, Peter N.
- ChemSusChem, Vol. 4, Issue 12
PEM fuel cell electrodes
journal, May 2004
- Litster, S.; McLean, G.
- Journal of Power Sources, Vol. 130, Issue 1-2
Nanofiber Electrodes with Low Platinum Loading for High Power Hydrogen/Air PEM Fuel Cells
journal, January 2013
- Brodt, Matthew; Wycisk, Ryszard; Pintauro, Peter N.
- Journal of The Electrochemical Society, Vol. 160, Issue 8
Quantum jumps in the PEMFC science and technology from the 1960s to the year 2000
journal, December 2001
- Costamagna, Paola; Srinivasan, Supramaniam
- Journal of Power Sources, Vol. 102, Issue 1-2