Search Results - "Dillet, J."

Local potential evolutions during proton exchange membrane fuel cell operation with dead-ended anode – Part I: Impact of water diffusion and nitrogen crossover by Abbou, S., Dillet, J., Maranzana, G., Didierjean, S., Lottin, O.

“…Operating a PEMFC with a dead-ended anode may lead to local fuel-starvation because of water and possibly nitrogen accumulation in the anode compartment. In…”
Get full text

Local potential evolutions during proton exchange membrane fuel cell operation with dead-ended anode – Part II: Aging mitigation strategies based on water management and nitrogen crossover by Abbou, S., Dillet, J., Maranzana, G., Didierjean, S., Lottin, O.

“…Proton exchange membrane (PEM) fuel cells operate with dead-ended anode in order to reduce system cost and complexity when compared with hydrogen…”
Get full text

Operating heterogeneities within a direct borohydride fuel cell by Ould-Amara, S., Dillet, J., Didierjean, S., Chatenet, M., Maranzana, G.

“…This paper presents an analysis of the operation of a direct borohydride fuel cell fed with an alkaline solution of sodium borohydride as the fuel and pure…”
Get full text

Feasibility of Hydrogen Compression in an Electrochemical System: Focus on Water Transport Mechanisms by Sdanghi, G., Dillet, J., Didierjean, S., Fierro, V., Maranzana, G.

“…In this study, the behavior of an electrochemical hydrogen compressor (EHC) able to compress hydrogen up to 32 bar was investigated. The current density…”
Get full text

Thermal and water transfer in PEMFCs: Investigating the role of the microporous layer by Thomas, A., Maranzana, G., Didierjean, S., Dillet, J., Lottin, O.

“…The objective of this work was to investigate experimentally the effects of the microporous layer (MPL) within a PEMFC. The experiments consisted in measuring,…”
Get full text

Spatially resolved degradation during startup and shutdown in polymer electrolyte membrane fuel cell operation by Komini Babu, S., Spernjak, D., Dillet, J., Lamibrac, A., Maranzana, G., Didierjean, S., Lottin, O., Borup, R.L., Mukundan, R.

“…•Degradation due air/air operation due to startup and shutdown in fuel cell studied.•The effect of platinum loading, and carbon support material is studied.•A…”
Get full text

Measuring electro-osmotic drag coefficients in PFSA membranes without any diffusion assumption by Sellin, R.C., Mozet, K., Ménage, A., Dillet, J., Didierjean, S., Maranzana, G.

“…An original set-up derived from the now standard hydrogen pump set-up is presented. The system enables isolation of the electro-osmosis as the lone macroscopic…”
Get full text

Experimental characterization of internal currents during the start-up of a proton exchange membrane fuel cell by Lamibrac, A., Maranzana, G., Lottin, O., Dillet, J., Mainka, J., Didierjean, S., Thomas, A., Moyne, C.

“…► Local current densities were used to estimate carbon oxidation during PEMFC start-up. ► Start-ups under air and nitrogen were compared to isolate carbon…”
Get full text

Measurement of protonic resistance of catalyst layers as a tool for degradation monitoring by Gaumont, T., Maranzana, G., Lottin, O., Dillet, J., Didierjean, S., Pauchet, J., Guétaz, L.

“…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…”
Get full text

Impact of flow rates and electrode specifications on degradations during repeated startups and shutdowns in polymer-electrolyte membrane fuel cells by Dillet, J., Spernjak, D., Lamibrac, A., Maranzana, G., Mukundan, R., Fairweather, J., Didierjean, S., Borup, R.L., Lottin, O.

“…Separate testing protocols for fuel cell startup (SU) and shutdown (SD) are developed to distinguish between the effects of SU and SD on performance…”
Get full text

On the estimation of high frequency parameters of Proton Exchange Membrane Fuel Cells via Electrochemical Impedance Spectroscopy by Mainka, J., Maranzana, G., Dillet, J., Didierjean, S., Lottin, O.

“…This paper is a discussion on the estimation of impedance parameters of H2/air fed Proton Exchange Membrane Fuel Cells (PEMFC). The impedance model corresponds…”
Get full text

Perfluorosulfonic acid membrane degradation in the hydrogen inlet region: A macroscopic approach by De Moor, G., Bas, C., Charvin, N., Dillet, J., Maranzana, G., Lottin, O., Caqué, N., Rossinot, E., Flandin, L.

“…This study focuses on the characterization of two complete stacks of a proton exchange membrane fuel cell that have operated in stationary mode for 12,860 h…”
Get full text

Spatially resolved degradation during startup and shutdown in polymer electrolyte membrane fuel cell operation by Komini Babu, Siddharth, Spernjak, Dusan, Dillet, J., Lamibrac, A., Maranzana, G., Didierjean, S., Lottin, O., Borup, Rodney L., Mukundan, Rangachary

“…Polymer electrolyte membrane fuel cells have durability limitations associated with the startup and shutdown of the fuel cell, which is critical for real-world…”
Get full text

A Common Multiscale Feature of the Deformation Mechanisms of a Semicrystalline Polymer by Farge, L, André, S, Meneau, F, Dillet, J, Cunat, C

“…The deformation mechanisms of a semicrystalline polymer (SCP) subjected to tensile loading were experimentally studied from nano to micro and macro length…”
Get full text

Thermal Effect on Water Transport in Proton Exchange Membrane Fuel Cell by Thomas, A., Maranzana, G., Didierjean, S., Dillet, J., Lottin, O.

“…Adequate water management is critical in proton exchange membrane fuel cells for improving performance and durability. In this paper, we present results of…”
Get full text

Direct Hybridization of Polymer Exchange Membrane Surface Fuel Cell with Small Aqueous Supercapacitors by Ait Hammou Taleb, S., Brown, D., Dillet, J., Guillemet, P., Mainka, J., Crosnier, O., Douard, C., Athouël, L., Brousse, T., Lottin, O.

“…The high power density of polymer exchange membrane fuel cells (PEMFCs) and hydrogen storage may be significantly hampered by the size and weight of the…”
Get full text

One-dimensional Model of Oxygen Transport Impedance Accounting for Convection Perpendicular to the Electrode by Mainka, J., Maranzana, G., Thomas, A., Dillet, J., Didierjean, S., Lottin, O.

“…A one‐dimensional (1D) model of oxygen transport in the diffusion media of proton exchange membrane fuel cells (PEMFC) is presented, which considers convection…”
Get full text

Characterization of the mesostructure of HDPE under "in situ" uniaxial tensile test by incoherent polarized steady-light transport by Blaise, A., Baravian, C., Dillet, J., Michot, L.J., André, S.

“…This study presents quantitative results related to in situ investigation of the microstructural evolutions of high‐density polyethylene with deformation…”
Get full text

Fast optical sizing without dilution by Parker, A., Baravian, C., Caton, F., Dillet, J., Mougel, J.

“…Particle size is a key characteristic of colloidal dispersions. Small-angle light scattering, the standard measurement method, requires extensive sample…”
Get full text

Steady light diffusion application to rheology: a new tool for the characterization of concentrated suspensions by BARAVIAN, Christophe, CATON, Francois, DILLET, Jérome

“…We present new developments of steady light diffusion applied to rheology. Though many techniques allow the structural investigation of diluted or transparent…”
Get full text