Results 11 to 20 of about 51,688 (302)

INVESTIGATION OF PEM FUEL CELL FOR AUTOMOTIVE USE

International 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, Ataur Rahman, Mohamed Fadhil Chemani, Mohd Baihaqi Zakaria   +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

Results 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, Satoshi Koizumi, Yasuyuki Tsutsumi   +2 more
doaj   +1 more source

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

, 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 ...
Chen, Jixin, Matsuura, Toyoaki, Siegel, Jason B., Stefanopoulou, Anna G., Yeşilyurt, Serhat   +4 more
core   +1 more source

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

EPJ 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, Genc Gamze, Elden Gulsah, Yapici Huseyin   +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

Energies, 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, Mathias Gerard, Pascal Schott, Wolfgang G. Bessler   +3 more
doaj   +1 more source

PEFC: Stacks, Systems, and Applications

CHIMIA, 2004
This article gives an overview on the research and development activities pursued in the area of polymer electrolyte fuel cell stacks and systems in Switzerland in 2004.
Felix N. Büchi, Jean-François Affolter, Stefan Camenzind, Niels Chmielewski, Philipp Dietrich, Michael Höckel, Martin Ruge, Marco Santis   +7 more
doaj   +1 more source

Ion exchange membranes based upon crosslinked sulfonated polyethersulfone for electrochemical applications [PDF]

, 2013
Synthesis and characterization of new ion exchange membranes made from chlorosulfonated polyethersul- fone (SO2Cl-PES) crosslinked by polyaminated crosslinking reagents have been performed.
FAUVARQUE, J.F, MABROUK, Walid, MATOUSSI, F., OGIER, Lionel, SOLLOGOUB, Cyrille, VIDAL, Serge   +5 more
core   +6 more sources

Composite nanostructured solid-acid fuel-cell electrodes via electrospray deposition [PDF]

, 2010
Stable, porous, nanostructured composite electrodes were successfully fabricated via the inexpensive and scalable method of electrospray deposition, in which a dissolved solute is deposited onto a substrate using an electric field to drive droplet ...
Brunelli, Nicholas A., Giapis, Konstantinos P., Haile, Sossina M., Louie, Mary W., Varga, Áron   +4 more
core   +1 more source

Synergistic Mn-Co catalyst outperforms Pt on high-rate oxygen reduction for alkaline polymer electrolyte fuel cells

Nature Communications, 2019
Alkaline polymer electrolyte fuel cells are promising power sources, but performance is limited by catalytic activity. Here the authors report a non-precious metal-based catalyst for electrocatalytic oxygen reduction that imparts outstanding fuel cell ...
Ying Wang, Yao Yang, Shuangfeng Jia, Xiaoming Wang, Kangjie Lyu, Yanqiu Peng, He Zheng, Xing Wei, Huan Ren, Li Xiao, Jianbo Wang, David A. Muller, Héctor D. Abruña, Bing Joe Hwang, Juntao Lu, Lin Zhuang   +15 more
doaj   +1 more source

Electrocatalytic asymmetric hydrogenation of α,β-unsaturated acids in a PEM reactor with cinchona-modified palladium catalysts

Electrochemistry Communications, 2020
We have developed an electrocatalytic asymmetric hydrogenation reaction using a proton-exchange membrane (PEM) reactor that employs a polymer electrolyte fuel cell and industrial electrolysis technologies.
Atsushi Fukazawa, Kenta Tanaka, Yasushi Hashimoto, Yasushi Sato, Mahito Atobe   +4 more
doaj   +1 more source