The effect of ionomer loading on ultra-thin polymer electrolyte membrane fuel cell (PEMFC) electrodes fabricated using an inkjet printer is studied under a variety of temperatures and relative humidity conditions. Catalyst layer inks with varying amounts of Nafion were prepared and loaded in inkjet cartridges. The inks were then jetted on a Nafion membrane using an inkjet printer in order to produce fuel cell electrodes with low loadings. The Pt loading for the fabricated electrodes was estimated to be in the range of 0.009–0.01 mg/cm2 per printer pass. SEM imaging shows that the thickness of a catalyst layer fabricated using 10 passes is approximately 3 microns and the catalyst layer agglomerates are about 200nm in radius. In order to determine the optimal Nafion content for this fabrication method, the electrochemical active area and steady state performance for the fabricated catalyst coated membranes (CCMs) was measured and also compared to a conventional CCM fabricated using spray deposition. Results show that optimal performance is achieved with a 40wt% Nafion loading under the operating conditions tested. The improved performance can be attributed to decrease in cell resistance and increase in proton conductivity.
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ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2012 6th International Conference on Energy Sustainability
July 23–26, 2012
San Diego, California, USA
Conference Sponsors:
- Advanced Energy Systems Division
- Solar Energy Division
ISBN:
978-0-7918-4482-3
PROCEEDINGS PAPER
Effect of Ionomer Loading in Inket Printed Catalyst Coated Membranes on PEFC Performance
Shantanu Shukla,
Shantanu Shukla
University of Alberta, Edmonton, AB, Canada
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Kirstin Taufertshofer,
Kirstin Taufertshofer
University of Alberta, Edmonton, AB, Canada
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Subir Bhattacharjee,
Subir Bhattacharjee
University of Alberta, Edmonton, AB, Canada
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Marc Secanell,
Marc Secanell
University of Alberta, Edmonton, AB, Canada
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Ela Halliop,
Ela Halliop
Queen’s-RMC Fuel Cell Research Center, Kingston, ON, Canada
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Dzmitry Malevich,
Dzmitry Malevich
Queen’s-RMC Fuel Cell Research Center, Kingston, ON, Canada
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Kunal Karan
Kunal Karan
Queen’s-RMC Fuel Cell Research Center, Kingston, ON, Canada
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Shantanu Shukla
University of Alberta, Edmonton, AB, Canada
Kirstin Taufertshofer
University of Alberta, Edmonton, AB, Canada
Subir Bhattacharjee
University of Alberta, Edmonton, AB, Canada
Marc Secanell
University of Alberta, Edmonton, AB, Canada
Ela Halliop
Queen’s-RMC Fuel Cell Research Center, Kingston, ON, Canada
Dzmitry Malevich
Queen’s-RMC Fuel Cell Research Center, Kingston, ON, Canada
Kunal Karan
Queen’s-RMC Fuel Cell Research Center, Kingston, ON, Canada
Paper No:
FuelCell2012-91152, pp. 123-128; 6 pages
Published Online:
July 23, 2013
Citation
Shukla, S, Taufertshofer, K, Bhattacharjee, S, Secanell, M, Halliop, E, Malevich, D, & Karan, K. "Effect of Ionomer Loading in Inket Printed Catalyst Coated Membranes on PEFC Performance." Proceedings of the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2012 6th International Conference on Energy Sustainability. ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology. San Diego, California, USA. July 23–26, 2012. pp. 123-128. ASME. https://doi.org/10.1115/FuelCell2012-91152
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