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Applied Sciences
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High Temperature Polymer Electrolyte Fuel Cells
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High Temperature Polymer Electrolyte Fuel Cells

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (30 June 2019) | Viewed by 2888

Special Issue Editors

Prof. Søren Knudsen Kær

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Guest Editor
The Faculty of Engineering and Science, Department of Energy Technology, Fluid Mechanics and Combustion, Aalborg University, 9220 Aalborg, Denmark
Dr. Samuel Simon Araya

E-Mail Website
Guest Editor
Department of Energy Technology, Aalborg University, Fredrik Bajers Vej 5, 9100 Aalborg, Denmark
Interests: PEM fuel cells; PEM water electrolysis; methanol reforming; energy technology; hydrogen
Special Issues, Collections and Topics in MDPI journals
Dr. Fan Zhou

E-Mail Website
Guest Editor
The Faculty of Engineering and Science, Department of Energy Technology, Fluid Mechanics and Combustion, Aalborg University, 9220 Aalborg, Denmark

Special Issue Information

Dear Colleagues,

You are welcome to contribute to this Special Issue “High Temperature Polymer Electrolyte Fuel Cells” in Applied Science, which will focus on different aspect of the HT-PEM fuel cell, ranging from molecular basis to the application in system, such as road vehicles and stationary power plants. All researchers having research interest in the following topics:

  • MEA synthesis and manufacturing
  • Novel materials
  • Phosphoric acid distribution and migration
  • Electrochemical characterization
  • Degradation and lifetime
  • Fault identification and diagnosis
  • System and application
  • Numerical simulation

of HT-PEM fuel cell are encouraged to submit their papers to this Special Issue.

Prof. Søren Knudsen Kær
Dr. Samuel Simon Araya
Dr. Fan Zhou
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. Applied Sciences 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 2400 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

  • HT-PEM fuel cell
  • phosphoric acid
  • fuel cell characterization
  • degradation
  • numerical simulation

Published Papers (1 paper)

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Research

16 pages, 867 KiB  
Article
Stochastic Analysis of the Gas Flow at the Gas Diffusion Layer/Channel Interface of a High-Temperature Polymer Electrolyte Fuel Cell
by Dieter Froning, Junliang Yu, Uwe Reimer and Werner Lehnert
Appl. Sci. 2018, 8(12), 2536; https://doi.org/10.3390/app8122536 - 07 Dec 2018
Cited by 5 | Viewed by 2529
Abstract
Gas diffusion layers (GDLs) play a significant role in the efficient operation of high-temperature polymer electrolyte fuel cells. They connect the electrodes to the gas channels of the bipolar plate by porous material with a meso-scale geometric structure. The electrodes must be sufficiently [...] Read more.
Gas diffusion layers (GDLs) play a significant role in the efficient operation of high-temperature polymer electrolyte fuel cells. They connect the electrodes to the gas channels of the bipolar plate by porous material with a meso-scale geometric structure. The electrodes must be sufficiently supplied by gases from the channels to operate fuel cells efficiently. Furthermore, reaction products must be transported in the other direction. The gas transport is simulated in the through-plane direction of the GDL, and its microstructure created by a stochastic model is equivalent to the structure of real GDL material. Continuum approaches in cell-scale simulations have model parameters for porous regions that can be taken from effective properties calculated from the meso-scale simulation results, as one feature of multi-scale simulations. Another significant issue in multi-scale simulations is the interface between two regions. The focus is on the gas flow at the interface between GDL and the gas channel, which is analyzed using statistical methods. Quantitative relationships between functionality and microstructure can be detected. With this approach, virtual GDL materials can possibly be designed with improved transport properties. The evaluation of the surface flow with stochastic methods offers substantiated benefits that are suitable for connecting the meso-scale to larger spatial scales. Full article
(This article belongs to the Special Issue High Temperature Polymer Electrolyte Fuel Cells)
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