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Description:

We prepared ultra-thin PFSA/PFSA-vinylon/PFSA laminated electrolyte membranes (thickness = 10 μm) for fuel cells without using a reinforcing material. Nafion and Aquivion solutions were used as PFSA polymers. Vinylon was synthesized by formalizing polyvinyl alcohol. From the current-voltage measurements using ultra-thin PFSA/PFSA-vinylon/PFSA membranes, the cell resistances are significantly lower than that using a 50 μm Nafion membrane. A high current density was obtained under both low- and high-humidity conditions. Ultra-thin PFSA/PFSA-vinylon/PFSA laminated membranes will help to further improve the performance of PEMFCs.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: PFSA ionomers, PFSA-vinylon, lamination, THIN membrane, fuel cells

Date published: 2020-08-03

Publisher: MDPI AG

Journal:

• Polymers (ISSN: 20734360) vol. 12 issue. 8 p. 1730-1735

Funding:

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.3390/polym12081730

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Updated at: 2024-01-05 22:13:15 +0900

Published on MDR: 2023-03-29 10:28:21 +0900