Electrochemical characterization of MEAs with different Pt-loading for the efficient use of Pt

K. Uda, Z. Noda, K. Sasaki, A. Hayashi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

In this study, designing polymer electrolyte fuel cells (PEFCs) with low Pt-loading is aimed in order to reduce Pt usage in PEFC and further spread this technology. With the use of a standard catalyst, TEC10E50E, and a common spray printing method, membrane electrode assemblies (MEAs) were prepared with various cathode Pt-loading. Then, a correlation between cathode Pt-loading and MEA performance was evaluated. By analyzing each overvoltage factor, the correspondence of activation overvoltage to cathode Pt-loading was evaluated, and the minimum requirement of Pt-loading was determined to 0.15 mgPt/cm2 in this study. Moreover, a correlation between concentration overvoltage and the amount of carbon in the cathode was also found. Sufficient thickness of cathode layers was realized as a requirement to reduce concentration overvoltage. Finally, cathode layers were designed with low Pt-loading but with extra carbon to increase cathode thickness.

Original languageEnglish
Title of host publicationECS Transactions
EditorsP. A. Shirvanian, V. Ramani, Y.-T. Kim, H. A. Gasteiger, K. Shinohara, K. E. Ayers, B. S. Pivovar, D. J. Jones, H. Uchida, K. A. Perry, S. Mitsushima, H. Xu, T. J. Schmidt, J. M. Fenton, T. F. Fuller, P. Strasser, F. Buechi, K. E. Swider-Lyons, R. A. Mantz, S. Narayan, P. N. Pintauro, C. Coutanceau, A. Z. Weber
PublisherElectrochemical Society Inc.
Pages789-799
Number of pages11
Edition8
ISBN (Electronic)9781607685395
DOIs
Publication statusPublished - Jan 1 2017
EventSymposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting - National Harbor, United States
Duration: Oct 1 2017Oct 5 2017

Publication series

NameECS Transactions
Number8
Volume80
ISSN (Print)1938-6737
ISSN (Electronic)1938-5862

Other

OtherSymposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting
CountryUnited States
CityNational Harbor
Period10/1/1710/5/17

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All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Uda, K., Noda, Z., Sasaki, K., & Hayashi, A. (2017). Electrochemical characterization of MEAs with different Pt-loading for the efficient use of Pt. In P. A. Shirvanian, V. Ramani, Y-T. Kim, H. A. Gasteiger, K. Shinohara, K. E. Ayers, B. S. Pivovar, D. J. Jones, H. Uchida, K. A. Perry, S. Mitsushima, H. Xu, T. J. Schmidt, J. M. Fenton, T. F. Fuller, P. Strasser, F. Buechi, K. E. Swider-Lyons, R. A. Mantz, S. Narayan, P. N. Pintauro, C. Coutanceau, ... A. Z. Weber (Eds.), ECS Transactions (8 ed., pp. 789-799). (ECS Transactions; Vol. 80, No. 8). Electrochemical Society Inc.. https://doi.org/10.1149/08008.0789ecst