Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Laure Guetaz"'
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Akademický článek
Scalable Sacrificial Templating to Increase Porosity and Platinum Utilisation in Graphene-Based Polymer Electrolyte Fuel Cell Electrodes
Autor: Theo A. M. Suter, Adam J. Clancy, Noelia Rubio Carrero, Marie Heitzmann, Laure Guetaz, Paul R. Shearing, Cecilia Mattevi, Gérard Gebel, Christopher A. Howard, Milo S. P. Shaffer, Paul F. McMillan, Dan J. L. Brett
Publikováno v: Nanomaterials, Vol 11, Iss 10, p 2530 (2021)
Polymer electrolyte fuel cells hold great promise for a range of applications but require advances in durability for widespread commercial uptake. Corrosion of the carbon support is one of the main degradation pathways; hence, corrosion-resilient gra
Externí odkaz: https://doaj.org/article/e39a640b71304d468223ef60e41bdc09
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2
Advanced nanoscale characterizations of solid oxide cell electrodes
Autor: Giuseppe Sassone, Ozden Celikbilek, Maxime Hubert, Katherine Develos Bagarinao, Thomas David, Laure Guetaz, Isabelle Martin, Julie Villanova, Lea Rorato, Bertrand Morel, Aline Léon, Jérôme Laurencin
Publikováno v: ECS Transactions
ECS Transactions, 2023, 111 (6), pp.885-898. ⟨10.1149/11106.0885ecst⟩
Solid oxide cells (SOCs) have attracted a growing attention thanks to their high efficiency and ability to operate in both electrolysis (SOEC) and fuel cell (SOFC) modes. Despite its great potential, the current SOC technology faces significant cell
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ee5fc04fa5dd0207c12a22f4e463e59
https://hal.science/hal-04164685/document
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3
Physicochemical properties evolution of cathodic catalyst layer and cell performance improvement during PEMFC start-up with mitigation strategies
Autor: Timothée Drugeot, Fabrice Micoud, Eric Pinton, Jean-Philippe Poirot, Sébastien Rosini, Laure Guetaz, Lucas Poupin, Yann Bultel
Publikováno v: 32nd ISE Topical Meeting
32nd ISE Topical Meeting, Jun 2022, Stockholm, Sweden
HAL
International audience; Proton Exchange Membrane Fuel Cell is a promising technology to power electric vehicle. To mass-market, one of the technological limitations to overcome concerns improvements in durability[1]. Degradation mechanisms during rea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::15a54786c918693cc7818994142150c7
https://cea.hal.science/cea-03735813
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5
Optimization of Transports in a Proton-Exchange Membrane Fuel Cell Cathode Catalyst Layer at High Current Densities: A Coupled Modeling/Imaging Approach
Autor: Laure Guetaz, Mathias Gerard, M. Barreiros Salvado, Pascal Schott, Yann Bultel
Publikováno v: Journal of The Electrochemical Society
Journal of The Electrochemical Society, 2021, 168 (8), pp.084507. ⟨10.1149/1945-7111/ac1a84⟩
For PEMFC to attain sustainable commercialization, the amount of platinum (catalyst used in conventional PEMFCs) must be significantly reduced, while the performance must be improved. At high current densities, it is found that the nature of the loss
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ba2abb1bfbba269e93730e39b4d55b9
https://hal.science/hal-03698725
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6
Towards the understanding of transport limitations in a proton-exchange membrane fuel cell catalyst layer: Performing agglomerate scale direct numerical simulations on electron-microscopy-based geometries
Autor: Y. Bultel, M. Barreiros Salvado, Laure Guetaz, T. David, Mathias Gerard, Pascal Schott
Publikováno v: Journal of Power Sources
Journal of Power Sources, 2021, 482, pp.228893-. ⟨10.1016/j.jpowsour.2020.228893⟩
Journal of Power Sources, Elsevier, 2021, 482, pp.228893-. ⟨10.1016/j.jpowsour.2020.228893⟩
Improving the cathode catalyst layer design requires understanding the sources of transport limitations in proton-exchange membrane fuel cells. For the purpose, a framework consisting on an electron microscopy characterization setup in couple with a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54aaf0254208aa2ed505bfd5feb38a51
https://hal.science/hal-03492780/file/S0378775320311952.pdf
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7
Spacers to Improve Performance and Porosity of Graphene Based Polymer Electrolyte Fuel Cells
Autor: Theo Suter, Adam Clancy, Noelia Rubio Carrero, Marie Heitzmann, Laure Guetaz, Milo Shaffer, Christopher A. Howard, Paul F. McMillan, Dan Brett
Publikováno v: ECS Meeting Abstracts. :1105-1105
Fuel Cell are energy generation alternatives to the traditional fossil fuel dependant transport and energy sectors. A typical polymer electrolyte membrane fuel cell (PEMFC) generates power from the electrochemical reaction between hydrogen and oxygen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::63cb8025d8d3785bba5df6ca62c3da63
https://doi.org/10.1149/ma2020-0271105mtgabs
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Towards Estimating the Effect of SO3- Adsorption on the ORR in Pt (111)
Autor: Mathias Gerard, Yann Bultel, Miguel Barreiros Salvado, Pascal Schott, Laure Guetaz
Publikováno v: ECS Meeting Abstracts. :2618-2618
Optimizing proton exchange membrane fuel cells (PEMFC) performance is crucial in order to attain sustainable commercialization. A major part of the issue involves understanding the role of Nafion in the catalyst layer. Nafion’s behavior on bulk mod
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0397820092e4b9c44d740d59b945c097
https://doi.org/10.1149/ma2020-01462618mtgabs
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9
Optimization of Transports in a PEMFC Catalyst Layer at High Current Densities: Coupled Modeling/Imaging Approach
Autor: Pascal Schott, Miguel Barreiros Salvado, Yann Bultel, Mathias Gerard, Laure Guetaz
Publikováno v: ECS Meeting Abstracts. :2737-2737
Decreasing the cost of proton exchange membrane fuel cells (PEMFC) is vital for the realization of the fuel cell vehicle market. For this challenge, it is essential not only to still reduce the electrode platinum loading but also to maintain a high p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e7d2793ca7e12d75942d0c7fdc62903
https://doi.org/10.1149/ma2020-01492737mtgabs
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10
Measurement of protonic resistance of catalyst layers as a tool for degradation monitoring
Autor: G. Maranzana, Thomas Gaumont, Joël Pauchet, Jérôme Dillet, Sophie Didierjean, Laure Guetaz, Olivier Lottin
Publikováno v: International Journal of Hydrogen Energy
International Journal of Hydrogen Energy, 2017, 42 (3), pp.1800-1812. ⟨10.1016/j.ijhydene.2016.10.035⟩
International Journal of Hydrogen Energy, Elsevier, 2017, 42 (3), pp.1800-1812. ⟨10.1016/j.ijhydene.2016.10.035⟩
EFC2015 European Fuel Cell Technology & Applications Conference-Piero Lunghi Conference
EFC2015 European Fuel Cell Technology & Applications Conference-Piero Lunghi Conference, Dec 2015, Naples, Italy. ⟨10.1016/j.ijhydene.2016.10.035⟩
International audience; The ionic resistance of a PEM fuel cell catalyst layer, as well as the double layer capacity and the high frequency resistance are estimated from the impedance spectra of H 2 /N 2 operated cell, thanks to a volumetric electrod
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db8b57d529aa787f85db9fbe29d3f043
https://hal.science/hal-01744069/document
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