Two of the largest barriers to PEMFC commercialization are the materials costs for individual components, especially platinum catalyst, and the fact that few large-scale manufacturing capabilities currently exist. This paper focuses on the development of a testbed which will be used for evaluating coating technologies for use in the manufacture of polymer electrolyte membrane (PEM) fuel cell electrodes. More specifically, the focus is on diffusion electrode architecture, in which the catalyst layer is applied to a gas diffusion layer (GDL) rather than on the membrane. These electrodes are used for both low- and high-temperature PEM fuel cells. A flexible web coating testbed has been designed and built to allow for testing of different gas diffusion electrode (GDE) and GDL deposition methods. This testbed, which is approximately two meters in length, includes a variety of both coating and drying capabilities as well as additional space for quality measurement and control system testing. Testbed capabilities and planned experimentation is discussed in detail. In the future, various non-contact deposition methods for the microlayer and catalyst inks will be investigated (e.g., direct spray, ultrasonic spray) to determine those that will provide higher throughput and repeatability through increased process control capability, while improving electrode performance.
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ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology
June 14–16, 2010
Brooklyn, New York, USA
Conference Sponsors:
- Advanced Energy Systems Division
ISBN:
978-0-7918-4405-2
PROCEEDINGS PAPER
Development of a PEM Fuel Cell Electrode Coating Testbed
Casey J. Hoffman,
Casey J. Hoffman
Rensselaer Polytechnic Institute, Troy, NY
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Daniel F. Walczyk
Daniel F. Walczyk
Rensselaer Polytechnic Institute, Troy, NY
Search for other works by this author on:
Casey J. Hoffman
Rensselaer Polytechnic Institute, Troy, NY
Daniel F. Walczyk
Rensselaer Polytechnic Institute, Troy, NY
Paper No:
FuelCell2010-33256, pp. 537-543; 7 pages
Published Online:
December 3, 2010
Citation
Hoffman, CJ, & Walczyk, DF. "Development of a PEM Fuel Cell Electrode Coating Testbed." Proceedings of the ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASME 2010 8th International Fuel Cell Science, Engineering and Technology Conference: Volume 2. Brooklyn, New York, USA. June 14–16, 2010. pp. 537-543. ASME. https://doi.org/10.1115/FuelCell2010-33256
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