Results 21 to 30 of about 10,810 (211)

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

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   +1 more source

Effect of Surface Roughness of Carbon Nanotube-based Catalyst Layer for Polymer Electrolyte Membrane Fuel Cell Performance

open access: yes, 2022
The effect of surface roughness of the catalyst layer (CL) based on carbon-nanotube (CNTs) in contact with polymer electrolyte membrane (PEM) in polymer electrolyte membrane fuel cell (PEMFC) was studied.
Samindi, Jayawickrama   +6 more
core   +1 more source

Enhanced Performance of the Solid Alkaline Fuel Cell Using PVA-KOH Membrane

open access: yesInternational Journal of Electrochemical Science, 2013
Poly(vinyl alcohol) (PVA) is a polyhydroxy polymer, which is very common in practical applications because of its easy preparation and biodegradability. In this work, the alkaline solid polymer electrolyte membrane, based on potassium hydroxide doped PVA,
Dragana L. Zugic   +4 more
doaj   +1 more source

Effect of Carbon Content on the Physical Properties of Carbon Composite Gas Diffusion Layer in PEMFCs

open access: yesInternational Journal of Electrochemical Science, 2012
Carbon composite gas diffusion layers (GDLs) containing carbon black and graphite for use in polymer electrolyte membrane fuel cells were prepared by a simple method. The physical properties of the carbon composite GDLs, such as air flux through a plane,
Choonsoo Han   +6 more
doaj   +1 more source

Data on fuel cell performance of Nafion® based hybrid composite membrane containing GO and dihydrogen phosphate functionalized ionic liquid at 70 °C under anhydrous condition

open access: yesData in Brief, 2018
This data provides the fuel cell performance of Nafion based hybrid membranes containing GO and dihydrogen phosphate functionalized ionic liquid (IL) at 70 °C under anhydrous condition.
Jatindranath Maiti   +3 more
doaj   +1 more source

Flooding and performance of polymer electrolyte fuel cell, investigated by small-angle neutron scattering, neutron radiography and segmented electrode

open access: yesResults in Physics, 2019
In order to elucidate the cell performance related to swelling or flooding of the polymer electrolyte membrane (Nafion®), we performed in-situ measurements of small-angle neutron scattering (SANS) and neutron radiography (NR) for a polymer electrolyte ...
Satoru Ueda   +2 more
doaj   +1 more source

Enzymatic Based Biocathode in a Polymer Electrolyte Membrane Fuel Cell.

open access: yesInternational Journal of Electrochemical Science, 2007
In this communication results of a fuel cell operating with a conventional platinum anode and a peroxidase based biochatode are presented. The biocathode was prepared with peroxidase extracted from vegetal tissue of brazilian zucchini, Cucurbirta pepo ...
Flavio Colmati   +4 more
doaj   +2 more sources

Effect of reduced graphene oxide (rGO) in chitosan/Pahae natural zeolite-based polymer electrolyte membranes for direct methanol fuel cell (DMFC) applications

open access: yesMaterials Science for Energy Technologies, 2023
The use of electrolyte membranes for fuel cell applications has grown rapidly, and one of the materials often developed is chitosan. In this study, polymer electrolyte membranes were successfully produced using chitosan and Pahae natural zeolite with the
Yuan Alfinsyah Sihombing   +3 more
doaj   +1 more source

Microstructure reconstruction and transport simulation in polymer electrolyte membrane fuel cells

open access: yes, 2022
S.219-253The polymer electrolyte fuel cell (PEFC) consists of disparate porous media microstructures, e.g. catalyst layer, microporous layer, gas diffusion layer, as the key components for achieving the desired performance attributes.
Mukherjee, P.P.   +4 more
core   +1 more source

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