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Cited by 376

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Platinum dissolution and deposition in the polymer electrolyte membrane of a PEM fuel cell as studied by potential cycling

Yasuda, Kazuaki, Taniguchi, Akira, Akita, Tomoki, Ioroi, Tsutomu, Siroma, Zyun·2006·Phys. Chem. Chem. Phys.

Abstract

The behavior of platinum dissolution and deposition in the polymer electrolyte membrane of a membrane-electrode-assembly (MEA) for a proton-exchange membrane fuel cell (PEMFC) was studied using potential cycling experiment and high-resolution transmission electron microscopy (HRTEM). The electrochemically active surface area decreased depending on the cycle number and the upper potential limit. Platinum deposition was observed in the polymer electrolyte membrane near a cathode catalyst layer. Platinum deposition was accelerated by the presence of hydrogen transported through the membrane from an anode compartment. Platinum was transported across the membrane and deposited on the anode layer in the absence of hydrogen in the anode compartment. This deposition was also affected by the presence of oxygen in the cathode compartment.

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Crossref · 10.1039/b514342j

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Metadata

Authors
Yasuda, K., Taniguchi, A., Akita, T., Ioroi, T., & Siroma, Z.
Venue
Phys. Chem. Chem. Phys.
Published
2006
Volume
8
Issue
6
Pages
746-752
ISSN
  • 1463-9076 (ISSN-L)
  • 1463-9084
OpenAlex
W2010576058
Cited by
376
References
1
FWCI
13.03
Type
journal article
Language
en
Open access
closed

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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