Results 11 to 20 of about 6,448,936 (272)

A review of developments in electrodes for regenerative polymer electrolyte fuel cells [PDF]

open access: yes, 2006
The design of electrodes for unitised regenerative polymer electrolyte fuel cells (URFC) requires a delicate balancing of transport media. Gas transport, electrons and protons must be carefully optimised to provide efficient transport to and from the ...
Pettersson, J, Harrison, DJ, Ramsey, BJ
core   +6 more sources

The State of the Art in Fuel Cell Condition Monitoring and Maintenance [PDF]

open access: yes, 2010
Fuel cell vehicles are considered to be a viable solution to problems such as carbon emissions and fuel shortages for road transport. Proton Exchange Membrane (PEM) Fuel Cells are mainly used in this purpose because they can run at low temperatures and ...
Morris, Adrian   +3 more
core   +7 more sources

Study of a micro-structured PHE for the thermal management of a fuel cell [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Paras, SV   +3 more
core   +6 more sources

Fabrication of bifunctional membrane electrode assemblies for unitised regenerative polymer electrolyte fuel cells [PDF]

open access: yes, 2006
Bifunctional membrane electrode assemblies have been fabricated using a screen printing technique, which demonstrate a repeatable and stable operation to cell current and voltages.
Pettersson, J, Harrison, DJ, Ramsey, BJ
core   +1 more source

The effects of water and microstructure on the performance of polymer electrolyte fuel cells [PDF]

open access: yes, 2006
n this paper, we present a comprehensive non-isothermal, one-dimensional model of the cathode side of a Polymer Electrolyte Fuel Cell. We explicitly include the catalyst layer, gas diffusion layer and the membrane.
Shah, A.   +6 more
core   +1 more source

Experimental validation of equilibria in fuel cells with dead-ended anodes [PDF]

open access: yes, 2013
This paper investigates the nitrogen blanketing front during the dead-ended anode (DEA) operation of a PEM fuel cell. Surprisingly the dynamic evolution of nitrogen and water accumulation in the dead-ended anode (DEA) of a PEM fuel cell arrives to a ...
Anna G. Stefanopoulou   +9 more
core   +2 more sources

INVESTIGATION OF PEM FUEL CELL FOR AUTOMOTIVE USE

open access: yesInternational Islamic University Malaysia Engineering Journal, 2015
This paper provides a brief investigation on suitability of Proton-exchange  membrane fuel cells (PEMFCs) as the source of power for transportation purposes. Hydrogen is an attractive alternative transportation fuel.
A. K. M. Mohiuddin   +3 more
doaj   +1 more source

Initial conditioning of a polymer electrolyte fuel cells: The relationship between microstructure development and cell performance, investigated by small-angle neutron scattering

open access: yesResults in Physics, 2019
Real time in-situ observation by small-angle neutron scattering (SANS) was performed to observe the development of microstructure in a polyelectrolyte membrane packed in a polymer electrolyte fuel cell (PEFC) during initial conditioning. By utilizing the
Satoru Ueda   +2 more
doaj   +1 more source

The effect of porosity on performance of phosphoric acid doped polybenzimidazole polymer electrolyte membrane fuel cell

open access: yesEPJ Web of Conferences, 2016
A polybenzimidazole (PBI) based polymer electrolyte fuel cells, which called high temperature polymer electrolyte fuel cells (HT-PEMS), operate at higher temperatures (120-200°C) than conventional PEM fuel cells.
Celik Muhammet   +3 more
doaj   +1 more source

Lifetime Prediction of a Polymer Electrolyte Membrane Fuel Cell under Automotive Load Cycling Using a Physically-Based Catalyst Degradation Model

open access: yesEnergies, 2018
One of the bottlenecks hindering the usage of polymer electrolyte membrane fuel cell technology in automotive applications is the highly load-sensitive degradation of the cell components.
Manik Mayur   +3 more
doaj   +1 more source

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