Pt Nanoparticles Supported on Porous Antimony-Doped Tin Dioxide Aerogel As Cathode Material for Proton-Exchange Membrane Fuel Cells: Electrocatalytic Activity and Degradation Mechanism

Gwenn Cognard 1, * Guillaume Ozouf 2 Christian Beauger 2 Marian Chatenet 1 Frédéric Maillard 1
* Auteur correspondant
1 LEPMI - Laboratoire d'Electrochimie et de Physico-chimie des Matériaux et des Interfaces
2 PERSEE - Centre Procédés, Énergies Renouvelables, Systèmes Énergétiques
Abstract : Proton Exchange Membrane Fuel Cells (PEMFC) are high-efficiency energy converters that can be deployed for mobile, transport and stationary applications in an eco-friendly manner. Nevertheless, their large-scale development requires further improvements, specifically regarding their lifetime in operation1. In abnormal PEMFC operating conditions, e.g. start-up/shutdown events2 or localized fuel starvation3, the positive electrode may reach potentials of 1.5 V vs the reversible hydrogen electrode (RHE), which triggers extensive carbon support corrosion at the cathode side.
Keywords : Aerogel Fuel cell
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Communication dans un congrès
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https://hal-mines-paristech.archives-ouvertes.fr/hal-01427028
Contributeur : Magalie Prudon <>
Soumis le : jeudi 5 janvier 2017 - 15:31:15
Dernière modification le : lundi 12 novembre 2018 - 10:57:21
Document(s) archivé(s) le : jeudi 6 avril 2017 - 14:10:15

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Gwenn Cognard, Guillaume Ozouf, Christian Beauger, Marian Chatenet, Frédéric Maillard. Pt Nanoparticles Supported on Porous Antimony-Doped Tin Dioxide Aerogel As Cathode Material for Proton-Exchange Membrane Fuel Cells: Electrocatalytic Activity and Degradation Mechanism. ECS2016, The Electrochemical Society, May 2016, San Diego, United States. ⟨hal-01427028⟩

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