Abstract
The effect of perfluorosulfonated ionomer loading in carbon-based colloidal inks is investigated under static and dynamic operating conditions. The results show that both the solvent-type and polymer loading play a role in ink stability, aggregation, and aging. Dynamic light scattering and shear and creep rheological experiments show that the addition of a polymer to carbon inks can act as a stabilizing agent which increases steric repulsion and decreases the inks overall viscosity. As the polymer loading is increased above 30wt% a decrease of approximately 30 MPa-1 in compliance is observed. A decrease in compliance at high polymer loading suggests weak interactions between the underlying carbon materials and indicates that a critical polymer loadings may exist for different shear processing routes.
Original language | English |
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Title of host publication | ECS Transactions |
Editors | D. J. Jones, F. Buechi, K. E. Swider-Lyons, P. N. Pintauro, H. Uchida, T. J. Schmidt, B. S. Pivovar, H. A. Gasteiger, A. Z. Weber, P. A. Shirvanian, J. M. Fenton, T. F. Fuller, K. Shinohara, K. A. Perry, P. Strasser, C. Coutanceau, S. Mitsushima, R. A. Mantz, S. Narayan, V. Ramani, K. E. Ayers, Y.-T. Kim, H. Xu |
Publisher | Electrochemical Society Inc. |
Pages | 301-307 |
Number of pages | 7 |
Edition | 8 |
ISBN (Electronic) | 9781607688259 |
ISBN (Print) | 9781623324773 |
DOIs | |
State | Published - 2017 |
Externally published | Yes |
Event | Symposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting - National Harbor, United States Duration: Oct 1 2017 → Oct 5 2017 |
Publication series
Name | ECS Transactions |
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Number | 8 |
Volume | 80 |
ISSN (Print) | 1938-6737 |
ISSN (Electronic) | 1938-5862 |
Conference
Conference | Symposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting |
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Country/Territory | United States |
City | National Harbor |
Period | 10/1/17 → 10/5/17 |
Funding
This work is based on work supported by the National Science Foundation under Grant No. 1727863. K.B.H and M.B.D acknowledge support from Vanderbilt Start-Up Grants, and K.B.H acknowledges support from the Ralph E. Powe Junior Faculty Enhancement Award from ORAU.