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

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

doi:10.1149/08008.0789ecst

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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 language	English
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	789-799
Number of pages	11
Edition	8
ISBN (Electronic)	9781607688259
ISBN (Print)	9781623324773
DOIs	https://doi.org/10.1149/08008.0789ecst
Publication status	Published - 2017
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
Number	8
Volume	80
ISSN (Print)	1938-6737
ISSN (Electronic)	1938-5862

Other

Other	Symposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting
Country/Territory	United States
City	National Harbor
Period	10/1/17 → 10/5/17

All Science Journal Classification (ASJC) codes

General Engineering

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10.1149/08008.0789ecst

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Uda, K., Noda, Z., Sasaki, K., & Hayashi, A. (2017). Electrochemical characterization of MEAs with different Pt-loading for the efficient use of Pt. In 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 (Eds.), ECS Transactions (8 ed., pp. 789-799). (ECS Transactions; Vol. 80, No. 8). Electrochemical Society Inc.. https://doi.org/10.1149/08008.0789ecst

Electrochemical characterization of MEAs with different Pt-loading for the efficient use of Pt. / Uda, K.; Noda, Z.; Sasaki, K. et al.
ECS Transactions. ed. / 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. 8. ed. Electrochemical Society Inc., 2017. p. 789-799 (ECS Transactions; Vol. 80, No. 8).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Uda, K, Noda, Z , Sasaki, K & Hayashi, A 2017, Electrochemical characterization of MEAs with different Pt-loading for the efficient use of Pt. in DJ Jones, F Buechi, KE Swider-Lyons, PN Pintauro, H Uchida, TJ Schmidt, BS Pivovar, HA Gasteiger, AZ Weber, PA Shirvanian, JM Fenton, TF Fuller, K Shinohara, KA Perry, P Strasser, C Coutanceau, S Mitsushima, RA Mantz, S Narayan, V Ramani, KE Ayers, Y-T Kim & H Xu (eds), ECS Transactions. 8 edn, ECS Transactions, no. 8, vol. 80, Electrochemical Society Inc., pp. 789-799, Symposium on Polymer Electrolyte Fuel Cells 17, PEFC 2017 - 232nd ECS Meeting, National Harbor, United States, 10/1/17. https://doi.org/10.1149/08008.0789ecst

Uda K, Noda Z , Sasaki K , Hayashi A. Electrochemical characterization of MEAs with different Pt-loading for the efficient use of Pt. In Jones DJ, Buechi F, Swider-Lyons KE, Pintauro PN, Uchida H, Schmidt TJ, Pivovar BS, Gasteiger HA, Weber AZ, Shirvanian PA, Fenton JM, Fuller TF, Shinohara K, Perry KA, Strasser P, Coutanceau C, Mitsushima S, Mantz RA, Narayan S, Ramani V, Ayers KE, Kim YT, Xu H, editors, ECS Transactions. 8 ed. Electrochemical Society Inc. 2017. p. 789-799. (ECS Transactions; 8). doi: 10.1149/08008.0789ecst

Uda, K. ; Noda, Z. ; Sasaki, K. et al. / Electrochemical characterization of MEAs with different Pt-loading for the efficient use of Pt. ECS Transactions. editor / 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. 8. ed. Electrochemical Society Inc., 2017. pp. 789-799 (ECS Transactions; 8).

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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.",

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

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