Results 21 to 30 of about 51,688 (302)
Subfreezing operation of polymer electrolyte fuel cells: Ice formation and cell performance loss [PDF]
, 2012 In this work, we investigate the cold-start operation of polymer electrolyte fuel cells (PEFCs) through high-resolution neutron radiography, experimental testing, theoretical evaluation, and comparison with model prediction.
Borup, RL +4 more
core +2 more sources
Real-time monitoring of proton exchange membrane fuel cell stack failure [PDF]
, 2016 Uneven pressure drops in a 75-cell 9.5-kWe proton exchange membrane fuel cell stack with a U-shaped flow configuration have been shown to cause localised flooding.
Brandon, NP +5 more
core +2 more sources
Journal of Thermal Science and Technology, 2009 In a polymer electrolyte fuel cell (PEFC), the current density through the polymer electrolyte membrane (PEM) is distributed along the electrode on the membrane electrode assembly (MEA).
Yasuo YOKOUCHI +3 more
doaj +1 more source
Modeling and simulations of deformation and transport in PEM fuel cells [PDF]
, 2008 Performance degradation and durability of PEM fuel cells depend strongly upon transport and deformation characteristics of their components especially the polymer membrane.
Yesilyurt, Serhat, Yeşilyurt, Serhat
core +1 more source
Results 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
Temperature Control for a 5 kW Water-Cooled PEM Fuel Cell System for a Household Application
IEEE Access, 2019 Temperature control is indispensable for polymer electrolyte membrane fuel cell (PEMFC) systems to ensure its safety and efficiency when working continuously.
Wen-Jiang Zou, Young-Bae Kim
doaj +1 more source
Modelling and Simulation of a Hydrogen-Based Hybrid Energy Storage System with a Switching Algorithm
World Electric Vehicle Journal, 2022 Currently, transitioning from fossil fuels to renewable sources of energy is needed, considering the impact of climate change on the globe. From this point of view, there is a need for development in several stages such as storage, transmission, and ...
Vishal Ram +2 more
doaj +1 more source
Chemical Engineering Journal Advances, 2022 : Among all fuel cells, proton exchange membrane fuel cells (PEMFCs) are appealing energy conversion devices in portable and transportation applications because of their higher efficiency, excellent ability to reduce air pollution, lightweight ...
Tushar Kanti Maiti +6 more
doaj +1 more source
Biomimetic flow fields for proton exchange membrane fuel cells: A review of design trends [PDF]
, 2020 Bipolar Plate design is one of the most active research fields in Polymer Electrolyte Membrane Fuel Cells (PEMFCs) development. Bipolar Plates are key components for ensuring an appropriate water management within the cell, preventing flooding and ...
Arredondo, C. H. +3 more
core
Enzymatic Based Biocathode in a Polymer Electrolyte Membrane Fuel Cell.
International 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