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[PDF] Top 20 Pore network model of the cathode catalyst layer of proton exchange membrane fuel cells: Analysis of water management and electrical performance

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Pore network model of the cathode catalyst layer of proton exchange membrane fuel cells: Analysis of water management and electrical performance

Pore network model of the cathode catalyst layer of proton exchange membrane fuel cells: Analysis of water management and electrical performance

... A pore network modeling approach is developed to study multiphase transport phenomena inside a porous structure representative of the Cathode Catalyst Layer (CCL) ... Voir le document complet

12

Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cells

Pore network modelling of condensation in gas diffusion layers of proton exchange membrane fuel cells

... account the impact of liquid water on thermal conductivity and the consideration of the latent heat ...Since the gas mixture on the cathode side is ... Voir le document complet

12

Liquid water in cathode gas diffusion layers of PEM fuel cells:Identification of various pore filling regimes from pore network simulations

Liquid water in cathode gas diffusion layers of PEM fuel cells:Identification of various pore filling regimes from pore network simulations

... A pore network model (PNM) aiming at simulating the liquid water pore filling in the cathode gas diffu- sion layer (GDL) in an operating PEM–fuel cell ... Voir le document complet

15

Numerical predictions of transport phenomena in a proton exchange membrane fuel cell

Numerical predictions of transport phenomena in a proton exchange membrane fuel cell

... models and numerical analysis of PEM fuel cells play an important role in understanding the physicochemical phe- nomena and in improving or optimizing PEM fuel cell ... Voir le document complet

7

Impact of non-uniform wettability in the condensation and condensationliquid water intrusion regimes in the cathode gas diffusion layer of proton exchange membrane fuel cell

Impact of non-uniform wettability in the condensation and condensationliquid water intrusion regimes in the cathode gas diffusion layer of proton exchange membrane fuel cell

... Introduction Water management and performance degradation are two major issues for the improvement of Proton exchange membrane (PEM) fuel cells ... Voir le document complet

11

Numerical analysis of water transport through the membrane electrolyte assembly of a polymer exchange membrane fuel cell

Numerical analysis of water transport through the membrane electrolyte assembly of a polymer exchange membrane fuel cell

... Keywords: proton exchange membrane fuel cell, membrane electrolyte assembly, water transport, fuel cell model, net water transport coefficient 1 Introduction ... Voir le document complet

15

Influence of wettability on liquid water transport in gas diffusion layer of proton exchange membrane fuel cells (PEMFC)

Influence of wettability on liquid water transport in gas diffusion layer of proton exchange membrane fuel cells (PEMFC)

... ABSTRACT Water management is a key factor that limits PEFC’s ...from pore-scale simulations of water invasion in a model fibrous ...explore the influence of contact ... Voir le document complet

8

Performance loss of proton exchange membrane fuel cell due to hydrophobicity loss in gas diffusion layer: Analysis by multiscale approach combining pore network and performance modelling

Performance loss of proton exchange membrane fuel cell due to hydrophobicity loss in gas diffusion layer: Analysis by multiscale approach combining pore network and performance modelling

... Estimation of degradation rate of performance The above results clearly show that loss of performance of PEMFC is more than likely when hydrophobicity of GDL ... Voir le document complet

15

Impact of non-uniform wettability in the condensation and condensationliquid water intrusion regimes in the cathode gas diffusion layer of proton exchange membrane fuel cell

Impact of non-uniform wettability in the condensation and condensationliquid water intrusion regimes in the cathode gas diffusion layer of proton exchange membrane fuel cell

... Introduction Water management and performance degradation are two major issues for the improvement of Proton exchange membrane (PEM) fuel cells ... Voir le document complet

10

Modeling an ordered nanostructured cathode catalyst layer for proton exchange membrane fuel cells

Modeling an ordered nanostructured cathode catalyst layer for proton exchange membrane fuel cells

... Variations of activation overpotential (a) and ohmic overpotential (b) in an ordered nanostructured CCL with current density at different CNT ...mathematical model of an ordered nanostructured ... Voir le document complet

14

Proton Exchange Membrane Fuel Cell Operation and Degradation in Short-Circuit

Proton Exchange Membrane Fuel Cell Operation and Degradation in Short-Circuit

... Conclusions The paper presents a simulation study about the hybridization of UC and FCS without using power ...electronics. The passive hybridization is studied to recharge the ... Voir le document complet

18

Effect of the TiO2 phase and loading on oxygen reduction reaction activity of PtCo/C catalysts in proton exchange membrane fuel cells

Effect of the TiO2 phase and loading on oxygen reduction reaction activity of PtCo/C catalysts in proton exchange membrane fuel cells

... from the H 2 stripping method in N 2 - saturated ...Initially, the catalyst ink prepared as described in section ...on the GDL substrate, cut as a square sheet with a dimension of 1×1 ... Voir le document complet

10

Synthesis of Pt/Carbon Xerogel Electrocatalysts for Proton Exchange Membrane Fuel Cells (PEMFC): Effect of the Reduction Procedure

Synthesis of Pt/Carbon Xerogel Electrocatalysts for Proton Exchange Membrane Fuel Cells (PEMFC): Effect of the Reduction Procedure

... Proton exchange membrane fuel cell (PEMFC) catalysts are generally made of carbon black- supported Pt-based ...amount of chemical impurities, are essentially microporous, ... Voir le document complet

1

Designing the 3D Architecture of PGM-Free Cathodes for H 2 /Air Proton Exchange Membrane Fuel Cells

Designing the 3D Architecture of PGM-Free Cathodes for H 2 /Air Proton Exchange Membrane Fuel Cells

... hosts of FeN x sites formed during pyrolysis, 17, 19 and the use of microporous Zn-based metal organic frameworks (in particular, ZIF-8) as a dual carbon and nitrogen source was ... Voir le document complet

36

Contribution of nanoclays to the barrier properties of a model proton exchange membrane for fuel cell application

Contribution of nanoclays to the barrier properties of a model proton exchange membrane for fuel cell application

... to the decrease of methanol permeability (88%) is more likely related to the reduced water uptake of PVOH composite ...Addition of Cloisite Na + and PWA to PVOH has an ... Voir le document complet

9

Membrane patterned by pulsed laser micromachining for proton exchange membrane fuel cell with sputtered ultra-low catalyst loadings

Membrane patterned by pulsed laser micromachining for proton exchange membrane fuel cell with sputtered ultra-low catalyst loadings

... Introduction Proton exchange membrane fuel cells (PEMFC) are attracting increasing research interest as they have a great potential as clean-energy power sources for portable, ... Voir le document complet

25

Proton exchange membrane fuel cell behavioral model suitable for prognostics.

Proton exchange membrane fuel cell behavioral model suitable for prognostics.

... postpone the end of life, the development of Prognostics and Health Management (PHM) seems to be an adapted ...solution. The part of PHM that is highlighted here ... Voir le document complet

34

A review on performance degradation of proton exchange membrane fuel cells during startup and shutdown processes : causes, consequences, and mitigation strategies

A review on performance degradation of proton exchange membrane fuel cells during startup and shutdown processes : causes, consequences, and mitigation strategies

... A fuel cell is an electrochemical device that can directly con- vert hydrogen energy to ...Among the various types of fuel cell, the proton exchange membrane ... Voir le document complet

15

Synthesis and characterization of Pt-Co/carbon xerogel electrocatalysts for Proton Exchange Membrane Fuel Cells (PEMFC)

Synthesis and characterization of Pt-Co/carbon xerogel electrocatalysts for Proton Exchange Membrane Fuel Cells (PEMFC)

... Synthesis and characterization of Pt-Co/carbon xerogel electrocatalysts for Proton Exchange Membrane Fuel Cells (PEMFC) ...b,c and N. Job a a Laboratory of ... Voir le document complet

1

Synthesis, characterization, and durability study of PtCo hollow nanoparticles deposited on carbon xerogel as electrocatalysts for Proton Exchange Membrane Fuel Cells

Synthesis, characterization, and durability study of PtCo hollow nanoparticles deposited on carbon xerogel as electrocatalysts for Proton Exchange Membrane Fuel Cells

... nathalie.job@ulg.ac.be Proton exchange membrane fuel cell (PEMFC) catalysts are generally made of carbon black (CB)-supported platinum-based nanoparticles, and the PEMFC ... Voir le document complet

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