Results 1 to 10 of about 7,719 (160)

A Study of Effects of the Repetition of Assembly and the Addition of Activation on Electrochemical Characteristics of PEMFCs [PDF]

open access: yes한국정밀공학회지, 2023
In this study, the effects of repetition of assembly and disassembly of polymer electrolyte membrane fuel cells on electrochemical performance were systematically investigated.
Ji Woong Jeon   +9 more
doaj   +1 more source

Radiation-Grafted Polymer Electrolyte Membranes for Anhydrous Fuel Cell Operation [PDF]

open access: yesACS Polymers Au
Kevin R. Mecadon   +6 more
doaj   +2 more sources

A Study on Electrochemical Resistance Change through the Pressurization Process of MEA for PEMFC [PDF]

open access: yes한국정밀공학회지, 2023
In this study, the electrochemical characteristics of fuel cell were evaluated after applying a compressive load to the activation area of membrane electrode assembly (MEA) in polymer electrolyte membrane fuel cells. The effects of the pressed area under
Ye Rim Kwon   +8 more
doaj   +1 more source

Effect of Rotational Control for Accelerating Water Discharge on the Performance of a Circular Polymer Electrolyte Membrane Fuel Cell

open access: yesEnergies, 2022
Polymer electrolyte membrane fuel cells are emerging as an important research topic owing to increasingly intensified environmental pollution. The flow field pattern of the fuel cell controls the electrochemically uniform distribution and water flooding ...
Ji-Seong Kim   +4 more
doaj   +1 more source

Advanced Materials in Polymer Electrolyte Fuel Cells [PDF]

open access: yesMaterials, 2017
Polymer electrolyte fuel cells (PEFCs) have attracted much interest due to the need for an efficient, non-polluting power source with high energy density for vehicles in urban environments, as well as portable electronics [...]
David Sebastián, Vincenzo Baglio
openaire   +5 more sources

Non‐destructive platinum catalyst‐replenishment method for deteriorated polymer electrolyte membrane fuel cells

open access: yesEnergy Science & Engineering, 2022
A novel method for replenishing platinum catalysts on an electrolyte membrane of polymer electrolyte membrane fuel cell (PEMFC) is studied. The method injects electrocatalyst‐supplementing ink into a pre‐assembled fuel cell in a simple and non ...
Jaeyeon Kim   +8 more
doaj   +1 more source

A Study on the Water Splitting using Polymer Electrolyte Membrane for producing Hydrogen and Oxygen

open access: yesInternational Journal of Electrochemical Science, 2019
Hydrogen is expected to be the clean and sustainable fuel as well as the most promising energy carrier. Water splitting using polymer electrolyte membrane have studied numerically and experimentally for producing hydrogen and oxygen by electrolysis in ...
Chang-Hoon Je, Hyung-Man Kim
doaj   +1 more source

Impact of catalyst layer morphology on the operation of high temperature PEM fuel cells

open access: yesJournal of Power Sources Advances, 2021
Electrochemical impedance spectroscopy (EIS) is a well-established method to analyze a polymer electrolyte membrane fuel cell (PEMFC). However, without further data processing, the impedance spectrum yields only qualitative insight into the mechanism and
N. Bevilacqua   +6 more
doaj   +1 more source

Al2O3 Disk Supported Si3N4 Hydrogen Purification Membrane for Low Temperature Polymer Electrolyte Membrane Fuel Cells

open access: yesMembranes, 2013
Reformate gas, a commonly employed fuel for polymer electrolyte membrane fuel cells (PEMFCs), contains carbon monoxide, which poisons Pt-containing anodes in such devices. A novel, low-cost mesoporous Si3N4 selective gas separation material was tested as
Xiaoteng Liu   +4 more
doaj   +1 more source

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