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Procédé de réduction des dommages sur pile PEMFC liés au démarrages-arrêts

IP.com Disclosure Number: IPCOM000248959D
Publication Date: 2017-Jan-24
Document File: 3 page(s) / 73K

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The IP.com Prior Art Database

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1 TITRE

Procédé de réduction des dommages sur pile PEMFC liés au démarrages-arrêts.

2 BIBLIO

E. Brightman, G. Hinds In situ mapping of potential transients during start-up and shut-down of a PEMFC Journal of Power Sources 267 (2014) 160-170 (2014)

H. Tang, Z. Qi, M. Ramani, J.F. Elter PEM fuel cell cathode carbon corrosion due to the formation of air/fuel boundary at the anode Journal of Power Sources 158, 1306-1312 (2006)

H.J. Kim, S.J. Lim, J.W. Lee, I.G. Min, S.Y. Lee, E.A. Cho, I.H. Oh, J.H. Lee, S.C. Oh, T.W. Lim, T.H. Lim Development of shut-down process for a proton exchange membrane fuel cell Journal of Power Sources 180, 814-820 (2008)

A. Ohma, S. Yamamoto, K. Shinohara Membrane degradation mechanism during open-circuit voltage hold test Journal of Power Sources 182, 39-47 (2008)

Matsuzaki et al. Fuel cell system and method of shutting down the same US2006/0188765A1

J.H. Kim, E.A. Cho, J.H. Jang, H.J. Kim, T.H. Lim, I.H. Oh, J.J. Ko, S.C. Oh, Development of a durable PEMFC Startup Process by Applying a Dummy Load I. Electrochemical Study Journal of The Electrochemical Society 156(8) B955-B961 (2009)

N.Yousfi-Steiner, Ph. Moçotéguy, D. Candusso, D. Hissel A review on polymer electrolyte membrane fuel cell catalyst degradation and starvation issues: Causes, consequences and diagnostic for mitigation Journal of Power Sources 194, 130-145 (2009)

T.W. Patterson, R.M. Darling Damage to the Cathode Catalyst of a PEM Fuel Cell Caused by Localized Fuel Starvation Electrochemical and Solid-State Letters 9 (4) A183-A185 (2006)

J. Kim, J. Lee, G. Lee, Y. Tak Direct Relationship between Carbon Corrosion and Cathode Potential during Fuel Starvation in PEMFC ECS Transactions 16 (2) 961-968 (2008) T.R. Ralph, S. Hudson, D.P. Wilkinson Electrocatalyst stability in PEMFCs and the role of fuel starvation and cell reversal tolerant anodes ECS Transactions 1 (8) 67-84 (2006)

3 CONTEXTE

Les phases de démarrage après arrêt prolongé sont toujours dommageables pour une pile à combustible en raison de la présence d’un front air/H2 qui provoque de façon transitoire une montée du potentiel cathodique, responsable de la corrosion du carbone, support du catalyseur.

4 SOLUTIONS EXISTANTES

Le recours à des rési...