[PDF] Top 20 Development of new catalysts for proton exchange membrane fuel cells (PEMFCs)
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Development of new catalysts for proton exchange membrane fuel cells (PEMFCs)
... cathode catalysts often consist of Pt nanoparticles sup- ported on a high surface area carbon ...cost of PEMFCs is mainly due to the large amount of Pt needed to accelerate the sluggish oxygen ... Voir le document complet
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Comprehensive study on non-precious metal catalysts for proton exchange membrane fuel cells (PEMFCs).
... issue of platinum group metal (PGM)-free catalysts for proton exchange membrane fuel cells (PEMFCs) over the past ...cathode for PEMFCs, we demonstrate that ... Voir le document complet
184
New manufacturing process for cost reduction and durability improvement of proton exchange membrane fuel cells
... PEM Fuel Cells Cost and Durability technology barriers The main objective is the development of a breakthrough high-volume manufacturing process for the production of advanced ... Voir le document complet
29
Design of Pt/carbon xerogel catalysts for PEM fuel cells
... design of efficient catalytic layers of proton exchange membrane fuel cells (PEMFCs) requires the preparation of highly-loaded and highly-dispersed Pt/C ... Voir le document complet
18
Synthesis, characterization, and durability study of PtCo hollow nanoparticles deposited on carbon xerogel as electrocatalysts for Proton Exchange Membrane Fuel Cells
... challenge for the extensive worldwide commercialization of PEMFCs is the stability of the ...stability of the Pt-based nanoparticles, as shown in ...lifetime of PEMFCs [5]. A way to ... Voir le document complet
3
Global Parameters Sensitivity Analysis and Development of a Two-Dimensional Real-Time Model of Proton-Exchange-Membrane Fuel Cells
... One of the major challenges of PEMFC is the design of appropriate control strategies and auxiliaries to achieve its optimal working modes (cooling circuit, humidifier, air compressor, power ... Voir le document complet
35
Synthesis and characterization of Pt-Co/carbon xerogel electrocatalysts for Proton Exchange Membrane Fuel Cells (PEMFC)
... characterization of Pt-Co/carbon xerogel electrocatalysts for Proton Exchange Membrane Fuel Cells (PEMFC) ...Laboratory of Chemical Engineering – Nanomaterials, ... Voir le document complet
1
Accelerated lifetime testing for proton exchange membrane fuel cells using extremely high temperature and unusually high load
... protocols for accelerated fuel cell ...Department of Energy (DOE) has suggested several methods for stress-testing the durability of key fuel cell components such as ... Voir le document complet
6
Influence of wettability on liquid water transport in gas diffusion layer of proton exchange membrane fuel cells (PEMFC)
... step of the invasion, we determine the “critical” invasion curvature radius of each interfacial ...burst of the meniscus when the local capillary pressure exceeds the maximum local capillary pressure ... Voir le document complet
8
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 subsequently shown to result ... Voir le document complet
36
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 ...properties for electrocatalysis: they may contain high ... Voir le document complet
1
Blend membranes based on sulfonated poly(ether ether ketone) and polysulfone bearing benzimidazole side groups for proton exchange membrane fuel cells
... blend membrane based on sulfonated poly(ether ether ketone) (SPEEK) and polysulfone bearing benzimidazole side groups has been synthesized, characterized, and evaluated in proton exchange ... Voir le document complet
6
Power for Aircraft Emergencies : A Hybrid Proton-Exchange Membrane H2/O2 Fuel Cell and Ultracapacitor System
... Fuel Cells and Aircraft in the context of the More electric aircraft (Weimer 1993), one of the concepts supported by the european More open electrical technologies project, the electrical ... Voir le document complet
15
Effect of the TiO2 phase and loading on oxygen reduction reaction activity of PtCo/C catalysts in proton exchange membrane fuel cells
... value for the as-prepared PtCo/C catalysts (Table 1) was smaller than that of the commercial Pt/C ...the for- mation of a PtCo alloy due to the particle substitution of Pt by Co ... Voir le document complet
10
Modelling and numerical simulation of water transfer in Proton Exchange Membrane Fuel Cells
... Presentation of the MIPNM can be present almost everywhere, both below the ribs and below the channels ...[24] for the intermediate temperature of 60 ◦ C indicate a strong influence of the ... Voir le document complet
183
Proton exchange membranes modified with sulfonated silica nanoparticles for direct methanol fuel cells
... states of water molecules associated with the hydrophilic sPPEK polymer and silica-SO 3 H particles are also of ...the membrane can be divided broadly into two groups of bound water and free ... Voir le document complet
9
Sulfonated poly(phthalazinone ether ketone) for proton exchange membranes in direct methanol fuel cells
... methanol fuel cell; Permeation; Swelling; Proton exchange membrane; Polarization curve ...methanol fuel cell (DMFC) is one of the most attrac- tive future power sources ... Voir le document complet
8
Contribution of nanoclays to the barrier properties of a model proton exchange membrane for fuel cell application
... University of Liège, Sart Tilman, B-4000 Liège, Belgium Abstract Direct methanol fuel cells (DMFCs) that use a proton exchange membrane (PEM) as electrolyte, is a promising ... Voir le document complet
9
Experimental observations of microstructure changes in the catalyst layers of proton exchange membrane fuel cells under wet-dry cycles
... magnifications of SEM images indicate the agglomerate size is hardly affected by the water flow-through tests (See ...lack of ionomer hydration and dehydration within the agglomerates, the well-bonded ... Voir le document complet
10
Membrane patterned by pulsed laser micromachining for proton exchange membrane fuel cell with sputtered ultra-low catalyst loadings
... introduction of the rough thin film of Nafion or by subjecting the membrane to plasma/ion bombardment, no regular or ordered patterns are formed and the surface of the membrane ... Voir le document complet
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