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Polymers
Special Issues
Polymer Electrolytes and Catalyst Binders
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Polymer Electrolytes and Catalyst Binders

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (30 March 2022) | Viewed by 2350

Special Issue Editor

Prof. Dr. Chang Hyun Lee

E-Mail Website
Guest Editor
Department of Energy Engineering, Dankook University, Gyeonggi-do 448-701, Republic of Korea
Interests: electrochemical hydrogen generation (PEM water electrolysis; alkaline water electrolysis; AEM water electrolysis and anhydrous ammonia electrolysis) and Electrochemical Power Generation (PEFC, AEMFC, and so on)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The proposed Special Issue is about polymer electrolyte membranes and catalyst binders used for fuel cells or water electrolysis applications. It includes their design, synthesis, and physical or chemical modification to improve their electrochemical performance and/or to extend their service life. Furthermore, the Special Issue deals with organic, inorganic, and hybrid additives to satisfy these requirements.

Prof. Dr. Chang Hyun Lee
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Polymer electrolyte membranes
  • Catalyst binders
  • Ionomers
  • Polymer electrolyte membrane fuel cells
  • Polymer electrolyte membrane water electrolysis

Published Papers (1 paper)

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Research

9 pages, 13082 KiB  
Article
Dynamic Mechanical Fatigue Behavior of Polymer Electrolyte Membranes for Fuel Cell Electric Vehicles Using a Gas Pressure-Loaded Blister
by Jun Hyun Lim, Jian Hou and Chang Hyun Lee
Polymers 2021, 13(23), 4177; https://0-doi-org.brum.beds.ac.uk/10.3390/polym13234177 - 29 Nov 2021
Cited by 4 | Viewed by 1777
Abstract
This study reports on an innovative press-loaded blister hybrid system equipped with gas-chromatography (PBS-GC) that is designed to evaluate the mechanical fatigue of two representative types of commercial Nafion membranes under relevant PEMFC operating conditions (e.g., simultaneously controlling temperature and humidity). The influences [...] Read more.
This study reports on an innovative press-loaded blister hybrid system equipped with gas-chromatography (PBS-GC) that is designed to evaluate the mechanical fatigue of two representative types of commercial Nafion membranes under relevant PEMFC operating conditions (e.g., simultaneously controlling temperature and humidity). The influences of various applied pressures (50 kPa, 100 kPa, etc.) and blistering gas types (hydrogen, oxygen, etc.) on the mechanical resistance loss are systematically investigated. The results evidently indicate that hydrogen gas is a more effective blistering gas for inducing dynamic mechanical losses of PEM. The changes in proton conductivity are also measured before and after hydrogen gas pressure-loaded blistering. After performing the mechanical aging test, a decrease in proton conductivity was confirmed, which was also interpreted using small angle X-ray scattering (SAXS) analysis. Finally, an accelerated dynamic mechanical aging test is performed using the homemade PBS-GC system, where the hydrogen permeability rate increases significantly when the membrane is pressure-loaded blistering for 10 min, suggesting notable mechanical fatigue of the PEM. In summary, this PBS-GC system developed in-house clearly demonstrates its capability of screening and characterizing various membrane candidates in a relatively short period of time (<1.5 h at 50 kPa versus 200 h). Full article
(This article belongs to the Special Issue Polymer Electrolytes and Catalyst Binders)
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