Fabrication of novel binderless anode via electrophoretic deposition for HT-PEMFC

Jabbari, Zeinab; Nassernejad, Bahram; Fallah, Narges; Javanbakht, Mehran; Afsham, Neda

doi:10.1080/02670844.2019.1597426

Cited by 10 publications

(5 citation statements)

References 20 publications

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“…This study demonstrated a pathway and methodology to improve MEA performance by optimizing ionomer composition, structure, and networks in the catalytic layer. The electrophoretic deposition (EPD) method, with considerable results in fabricating the gas diffusion electrode (GDE) in the absence of the binder for membrane–electrode assemblies (MEAs) in PEMFC operating at 140 °C, is presented in this article [ 312 ].…”

Section: Membrane–electrode Assembly (Mea): Preparation and Characterizationmentioning

confidence: 99%

Proton Exchange Membrane Fuel Cells (PEMFCs): Advances and Challenges

Tellez-Cruz¹,

et al. 2021

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The study of the electrochemical catalyst conversion of renewable electricity and carbon oxides into chemical fuels attracts a great deal of attention by different researchers. The main role of this process is in mitigating the worldwide energy crisis through a closed technological carbon cycle, where chemical fuels, such as hydrogen, are stored and reconverted to electricity via electrochemical reaction processes in fuel cells. The scientific community focuses its efforts on the development of high-performance polymeric membranes together with nanomaterials with high catalytic activity and stability in order to reduce the platinum group metal applied as a cathode to build stacks of proton exchange membrane fuel cells (PEMFCs) to work at low and moderate temperatures. The design of new conductive membranes and nanoparticles (NPs) whose morphology directly affects their catalytic properties is of utmost importance. Nanoparticle morphologies, like cubes, octahedrons, icosahedrons, bipyramids, plates, and polyhedrons, among others, are widely studied for catalysis applications. The recent progress around the high catalytic activity has focused on the stabilizing agents and their potential impact on nanomaterial synthesis to induce changes in the morphology of NPs.

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Section: Membrane–electrode Assembly (Mea): Preparation and Characterizationmentioning

confidence: 99%

Proton Exchange Membrane Fuel Cells (PEMFCs): Advances and Challenges

Tellez-Cruz¹,

et al. 2021

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“…[493][494][495][496][497][498][499] Cross-sectional SEM is a useful technique to assess membrane and electrode thickness, pore size distribution, catalyst location, catalyst layer structure and defects. 70,103,127,161,378,380,488,489,[493][494][495][499][500][501] For HT-PEMFCs this has been shown to be useful for tracking acid loss out of the membrane via thickness changes. 380 Crosssectional SEM has also been shown to signicantly improve understanding of structural degradation during ASTs by observing the direct impact of the MEA thickness, pore structure, catalyst migration and support degradation.…”

Section: Scanning Electron Microscopymentioning

confidence: 99%

Challenges and opportunities for characterisation of high-temperature polymer electrolyte membrane fuel cells: a review

Zucconi,

Hack,

Stocker

et al. 2024

J. Mater. Chem. A

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“…Binderless catalyst layer: interestingly, acceptable performance has been reported by using catalyst layers without any binder or filler, creating a PA interface between the membrane and catalyst layer using the capillary force within the catalyst layer [283,295,308,309]. Promising durability was achieved at 0.2 A cm −2 in HT-PEMFCs [295], with 900 h stability at 0.2 A cm −2 , and the high loading used (0.96 mg Pt cm −2 ) may have created a barrier to PA leaching.…”

Section: Pa Diffusion In the Electrodementioning

confidence: 99%

Overcoming the Electrode Challenges of High-Temperature Proton Exchange Membrane Fuel Cells

Meyer

Yang

Cheng

et al. 2023

Electrochem. Energy Rev.

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Proton exchange membrane fuel cells (PEMFCs) are becoming a major part of a greener and more sustainable future. However, the costs of high-purity hydrogen and noble metal catalysts alongside the complexity of the PEMFC system severely hamper their commercialization. Operating PEMFCs at high temperatures (HT-PEMFCs, above 120 °C) brings several advantages, such as increased tolerance to contaminants, more affordable catalysts, and operations without liquid water, hence considerably simplifying the system. While recent progresses in proton exchange membranes for HT-PEMFCs have made this technology more viable, the HT-PEMFC viscous acid electrolyte lowers the active site utilization by unevenly diffusing into the catalyst layer while it acutely poisons the catalytic sites. In recent years, the synthesis of platinum group metal (PGM) and PGM-free catalysts with higher acid tolerance and phosphate-promoted oxygen reduction reaction, in conjunction with the design of catalyst layers with improved acid distribution and more triple-phase boundaries, has provided great opportunities for more efficient HT-PEMFCs. The progress in these two interconnected fields is reviewed here, with recommendations for the most promising routes worthy of further investigation. Using these approaches, the performance and durability of HT-PEMFCs will be significantly improved.

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Fabrication of novel binderless anode via electrophoretic deposition for HT-PEMFC

Cited by 10 publications

References 20 publications

Proton Exchange Membrane Fuel Cells (PEMFCs): Advances and Challenges

Proton Exchange Membrane Fuel Cells (PEMFCs): Advances and Challenges

Challenges and opportunities for characterisation of high-temperature polymer electrolyte membrane fuel cells: a review

Overcoming the Electrode Challenges of High-Temperature Proton Exchange Membrane Fuel Cells

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