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Proton Exchange Membrane Fuel Cells 2022
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Proton Exchange Membrane Fuel Cells 2022

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D2: Electrochem: Batteries, Fuel Cells, Capacitors".

Deadline for manuscript submissions: closed (15 December 2022) | Viewed by 5990

Special Issue Editor

Dr. Vladimir Gurau

E-Mail Website1 Website2
Guest Editor
Robotics Process Development Laboratory (RPDL), Department of Manufacturing Engineering, Georgia Southern University, Statesboro, GA 30458, USA
Interests: industrial robots; autonomous vehicles; machine vision; machine learning; advanced manufacturing; fuel cells; renewable energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fuel cells are key elements for building a competitive, secure and sustainable clean energy economy. The broad range of benefits to the environment, economy and energy security that fuel cells offer include reduced oil consumption, reduced greenhouse gas emissions, reduced pollution, highly efficient energy conversion and highly reliable grid support.

Proton Exchange Membrane Fuel Cells, also known as Polymer Electrolyte Membrane Fuels Cells (PEMFC) accounted for over 67.7% of the fuel cells market in 2019 and are widely used in automotive, stationary and portable applications such as forklifts, automobiles, telecommunications, primary power systems, and backup power systems.

To address the needs in today’s fuel cell industry, this Special Issue on PEMFCs focuses on research related to:

  • PEMFC systems applications
  • PEMFC hybrid power systems
  • Innovative and alternative materials for PEMFCs
  • PEMFC designs
  • PEMFC characterization methods
  • Air, heat, and water management for PEMFCs
  • Numerical modeling and simulations of PEMFC systems
  • PEMFC system integration
  • Industrial production technologies for PEMFCs
  • Operating strategies for PEMFCs
  • Methods and strategies for PEMFC material quality control
  • PEMFC material durability and reliability

Prof. Dr. Vladimir Gurau
Guest Editor

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Keywords

  • PEMFCs
  • Automotive, stationary and portable applications
  • Hybrid power systems
  • Production technology
  • Numerical simulations
  • Modeling
  • Fuel cell characterization
  • Materials and components for fuel cells
  • Thermal and water management
  • System integration

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Published Papers (2 papers)

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Research

33 pages, 25515 KiB  
Article
Simulation of Mass and Heat Transfer in an Evaporatively Cooled PEM Fuel Cell
by Robert Herrendörfer, Magali Cochet and Jürgen O. Schumacher
Energies 2022, 15(8), 2734; https://doi.org/10.3390/en15082734 - 8 Apr 2022
Cited by 5 | Viewed by 2820
Abstract
Evaporative cooling is a promising concept to improve proton exchange membrane fuel cells. While the particular concept based on gas diffusion layers (GDLs) modified with hydrophilic lines (HPILs) has recently been demonstrated, there is a lack in the understanding of the mass and [...] Read more.
Evaporative cooling is a promising concept to improve proton exchange membrane fuel cells. While the particular concept based on gas diffusion layers (GDLs) modified with hydrophilic lines (HPILs) has recently been demonstrated, there is a lack in the understanding of the mass and heat transport processes. We have developed a 3-D, non-isothermal, macro-homogeneous numerical model focusing on one interface between a HPIL and an anode gas flow channel (AGFC). In the base case model, water evaporates within a thin film adjacent to the interfaces of the HPIL with the AGFC and with the hydrophobic anode GDL. The largest part of the generated water vapor leaves the cell via the AGFC. The transport to the cathode side is shown to be partly limited by the ab-/desorption into/from the membrane. The cooling due to the latent heat has a strong effect on the local evaporation rate. An increase of the mass transfer coefficient for evaporation leads to a transport limited regime inside the MEA while the transport via the AGFC is limited by evaporation kinetics. Full article
(This article belongs to the Special Issue Proton Exchange Membrane Fuel Cells 2022)
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16 pages, 7150 KiB  
Article
Electrosynthesis and Characterization of Novel CNx-HMMT Supported Pd Nanocomposite Material for Methanol Electro-Oxidation
by Faizah Altaf, Rohama Gill, Patrizia Bocchetta, Rida Batool, Muhammad Usman Hameed, Ghazanfar Abbas and Karl Jacob
Energies 2021, 14(12), 3578; https://doi.org/10.3390/en14123578 - 16 Jun 2021
Cited by 2 | Viewed by 2125
Abstract
In the current research work, palladium (Pd) nanoparticles were electrochemically deposited on a nitrogen doped montmorillonite (CNx-MMT) support using the underpotential deposition (UPD) method. The prepared Pd based composite electrode was studied as an electrocatalyst for methanol fuel oxidation. The catalysts and the [...] Read more.
In the current research work, palladium (Pd) nanoparticles were electrochemically deposited on a nitrogen doped montmorillonite (CNx-MMT) support using the underpotential deposition (UPD) method. The prepared Pd based composite electrode was studied as an electrocatalyst for methanol fuel oxidation. The catalysts and the supporting materials montmorillonite, acid activated montmorillonite, and nitrogen doped montmorillonite (MMT, HMMT and CNx-HMMT) were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDS) and electrochemical characterization by cyclic voltammetry (CV). The results indicated that Pd supported on CNx-HMMT possesses enhanced electrocatalytic activity and stability compared to commercial Pd/C, which was attributed to its higher electrochemical surface area (ECSA) (23.00 m2 g−1). The results demonstrated the potential application of novel Pd/CNx-HMMT composite nanomaterial as electrocatalysts for methanol electrooxidation in direct methanol fuel cells (DMFCs). Full article
(This article belongs to the Special Issue Proton Exchange Membrane Fuel Cells 2022)
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