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Membranes
Special Issues
Advanced Research on Polymer Electrolytes for Membrane-Based Fuel Cells
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Advanced Research on Polymer Electrolytes for Membrane-Based Fuel Cells

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Applications".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1503

Special Issue Editors

Dr. Dengpan Dong

E-Mail Website
Guest Editor
Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
Interests: polymers electrolytes; membranes; fuel cells; molecular simulations
Special Issues, Collections and Topics in MDPI journals
Dr. Xiaoyu Wei

E-Mail Website
Guest Editor
Senior Materials Scientist, Bridgestone Americas Inc., Nashville, TN, USA
Interests: soft matter; polymers; membranes; energy storage; fuel cells

Special Issue Information

Dear Colleagues,

We are pleased to invite you submit your original research work to the upcoming Special Issue of Membranes, “Advanced Research on Polymer Electrolytes for Membrane-based Fuel Cells” Fuel cells are promising energy storage systems for the achievement of zero emissions in the coming future. Powered by hydrogen or alcohols, fuel cells convert chemical energy into electricity. However, large-scale commercial applications of fuel cells are experiencing drawbacks because of the limits in the fundamental studies, the discovery of cheap but efficient catalysts, and the large-scale manufacturing of chemically stable electrolytes, primarily in the form of membranes.

This Special Issue is dedicated to advancing research on all aspects of membranes electrolytes for fuel cells. Both experimental and theoretical studies are suitable as submissions.

Research areas may include (but are not limited to) the following topics:

  • Synthesis of materials for fuel cell membranes.
  • Anion-exchange membranes for fuel cells.
  • Proton-exchange membranes for fuel cells.
  • Theoretical studies and modelling of membranes at various scales.
  • Manufacturing of membranes materials at large scale.
  • Materials informatics for the discovery of novel material candidates.
  • Engineering applications of fuel cells driven by membranes.

We look forward to receiving your contributions.

Dr. Dengpan Dong
Dr. Xiaoyu Wei
Guest Editors

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. Membranes is an international peer-reviewed open access monthly 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

  • synthesis of materials for fuel cell membranes
  • anion-exchange membranes for fuel cells
  • proton-exchange membranes for fuel cells
  • theoretical studies and modelling of membranes at various scales
  • manufacturing of membranes materials at large scale
  • materials informatics for the discovery of novel material candidates
  • engineering applications of fuel cells driven by membranes

Published Papers (1 paper)

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Research

11 pages, 1906 KiB  
Article
Composite Membrane for Sodium Polysulfide Hybrid Redox Flow Batteries
by Michelle L. Lehmann, Ethan C. Self, Tomonori Saito and Guang Yang
Membranes 2023, 13(8), 700; https://doi.org/10.3390/membranes13080700 - 27 Jul 2023
Viewed by 1127
Abstract
Non-aqueous redox flow batteries (NARFBs) using earth-abundant materials, such as sodium and sulfur, are promising long-duration energy storage technologies. NARFBs utilize organic solvents, which enable higher operating voltages and potentially higher energy densities compared with their aqueous counterparts. Despite exciting progress throughout the [...] Read more.
Non-aqueous redox flow batteries (NARFBs) using earth-abundant materials, such as sodium and sulfur, are promising long-duration energy storage technologies. NARFBs utilize organic solvents, which enable higher operating voltages and potentially higher energy densities compared with their aqueous counterparts. Despite exciting progress throughout the past decade, the lack of low-cost membranes with adequate ionic conductivity and selectivity remains as one of the major bottlenecks of NARFBs. Here, we developed a composite membrane composed of a thin (<25 µm) Na+-Nafion coating on a porous polypropylene scaffold. The composite membrane significantly improves the electrochemical stability of Na+-Nafion against sodium metal, exhibiting stable Na symmetric cell performance for over 2300 h, while Na+-Nafion shorted by 445 h. Additionally, the composite membrane demonstrates a higher room temperature storage modulus than the porous polypropylene scaffold and Na+-Nafion separately while maintaining high Na+ conductivity (0.24 mS/cm at 20 °C). Our method shows that a composite membrane utilizing Na+-Nafion is a promising approach for sodium-based hybrid redox flow batteries. Full article
(This article belongs to the Special Issue Advanced Research on Polymer Electrolytes for Membrane-Based Fuel Cells)
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