Results 41 to 50 of about 10,810 (211)
The influence of impurities in high temperature polymer electrolyte membrane fuel cells performance [PDF]
, 2016 This work investigates the influence of carbon dioxide and non-reacted methanol, present in the reformate stream obtained via methanol steam reforming, in the performance of high temperature polymer electrolyte membrane fuel cells (HT-PEMFC), operating ...
Paulo Ribeirinha +3 more
core +1 more source
Ionomer migration within PEMFC catalyst layers induced by humidity changes
Electrochemistry Communications, 2019 The degradation of the membrane electrode assembly, originating from microstructural changes in the catalyst layer, inhibits the commercialization of polymer electrolyte membrane fuel cell.
Yan Yin +7 more
doaj +1 more source
Current Density Performances in Poly Ether Ether Keton Membrane for Direct Methanol Fuel Cells [PDF]
, 2012 The objective of this study focuses on the characterization of poly ether ether ketone (PEEK) membranes for direct methanol fuel cells (DMFC) application. The PEEK membrane was modified with sulfonation in NMP solvent.
E. L. , Dewi +5 more
core
Catalytic activity of carbon-supported iridium oxide for oxygen reduction reaction as a Pt-free catalyst in polymer electrolyte fuel cell [PDF]
, 2011 Iridium oxide supported on Vulcan XC-72 carbon black (IrO_2/C) as a cathode catalyst for polymer electrolyte fuel cell (PEFC) has been characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD) measurement.
H. Yugami +7 more
core +1 more source
Polymer blend nanocomposites for polymer electrolyte membrane fuel cell (PEMFC) applications [PDF]
, 2023 This chapter introduces polymer blend nanocomposites for polymer electrolyte membrane fuel cell (PEMFC) applications, beginning with a brief introduction to the fuel cell (FC) principle. Overviews of the working principles, the equations of the governing
Siti Maznah, Kabeb +1 more
core +1 more source
Initial conditioning of Polymer Eelectrolyte Membrane fuel cell by temperature and potential cycling
Acta Chimica Slovenica, 2014 Polymer electrolyte membrane fuel cells need initial conditioning, activation or break-in the first time they are operated after being assembled. During this period performance of the fuel cell improves until it reaches its nominal performance. The exact
Dario Bezmalinović +2 more
doaj +1 more source
Membranes, 2012 Low cost, durable, and selective membranes with high ionic conductivity are a priority need for wide-spread adoption of polymer electrolyte membrane fuel cells (PEMFCs) and direct methanol fuel cells (DMFCs).
Dimitrios C. Papageorgopoulos +10 more
doaj +1 more source
Nanomaterials and Nanotechnology, 2020 Developing low cost and highly active fuel cell is one of the high-priority research directions for fuel cell commercialization, whereas durable electrodes and electrolyte membranes are keys for its optimization. Herein, a novel nanocomposite electrolyte
MH Gouda +5 more
doaj +1 more source
Membranes, 2021 Increasing world energy demand and the rapid depletion of fossil fuels has initiated explorations for sustainable and green energy sources. High-temperature polymer electrolyte membrane fuel cells (HT-PEMFCs) are viewed as promising materials in fuel ...
Leong Kok Seng +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