Themed collection Fuel cells – Topic Highlight
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On the water transport mechanism through the microporous layers of operando polymer electrolyte fuel cells probed directly by X-ray tomographic microscopy
Water distribution in the microporous layer (MPL) and the gas diffusion layer (GDL) substrate during PEFC operation at different conditions is quantitatively measured by X-ray tomographic microscopy (XTM) with time resolution down to a few seconds to probe the underlying water transport mechanism.
Energy Adv., 2023,2, 1447-1463
https://doi.org/10.1039/D3YA00189J
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Which insights can gas diffusion electrode half-cell experiments give into activity trends and transport phenomena of membrane electrode assemblies?
This work highlights how the different environment of the catalyst in GDE and MEA evaluation results in different trends of catalyst layer activity towards the oxygen reduction reaction being observed with both techniques.
Energy Adv., 2023,2, 854-863
https://doi.org/10.1039/D3YA00055A
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Sulfonated polythiophene-interfaced graphene for water-redispersible graphene powder with high conductivity and electrocatalytic activity
The surface of pristine graphene is engineered toward hydrophilicity by interfacing with amphiphilic PTEBS molecules, creating a new class of water-redispersible graphene with high conductivity and electrocatalytic activity for energy applications.
Energy Adv., 2023,2, 365-374
https://doi.org/10.1039/D2YA00298A
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Effect of membrane mechanics on AEM fuel cell performance
This work underscores the relationship between the mechanical properties of anion exchange membranes and pH, which together can have a profound effect on the power output of the fuel cells.
Energy Adv., 2023,2, 113-122
https://doi.org/10.1039/D2YA00207H
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Improvement on the electrochemical performance by morphology control of nanostructured La0.6Sr0.4CoO3−δ-Gd0.1Ce0.9O1.95 cathodes for IT-SOFC
Spherical GDC particles favour high number of electrochemical reaction sites (ers) and the breathing structure for fast ionic conduction in LSC phase, driven by the indirect modification of the cobalt's chemical speciation in LSC.
Energy Adv., 2022,1, 344-356
https://doi.org/10.1039/D2YA00085G
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Dynamic acoustic emission analysis of polymer electrolyte membrane fuel cells
This study measures acoustic activity from a PEM fuel cell as a dynamic response during potentiostatic and galvanostatic operations of the cell.
Energy Adv., 2022,1, 258-268
https://doi.org/10.1039/D2YA00037G
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An aromatic ionomer in the anode catalyst layer improves the start-up durability of polymer electrolyte fuel cells
The sulfonated polyphenylene ionomer, SPP-QP, being used as the anode binder, improves the durability of polymer electrolyte fuel cells in the gas exchange cycle test simulating start-up conditions.
Energy Adv., 2022,1, 38-44
https://doi.org/10.1039/D1YA00024A
About this collection
Energy Advances features cutting-edge science at the forefront of energy technology with a particular focus on emerging materials and methods. This collection highlights some of our recent publications on fuel cell technologies.
Our multidisciplinary journal publishes research across a broad scope of energy topics. To contribute your work, please visit our submission platform.