Results 1 to 10 of about 14,708 (307)
A Study of Effects of the Repetition of Assembly and the Addition of Activation on Electrochemical Characteristics of PEMFCs [PDF]
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
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A Study on Electrochemical Resistance Change through the Pressurization Process of MEA for PEMFC [PDF]
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
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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
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Advanced Materials in Polymer Electrolyte Fuel Cells [PDF]
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
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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
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Polymer-electrolyte membrane fuel cell [PDF]
The polymer electrolyte membrane fuel cell (PEMFC) also known as proton exchange membrane fuel cell, polymer electrolyte fuel cell (PEFC) and solid polymer fuel cell (SPFC) was first developed by General Electric in the USA in the 1960’s for use by NASA in their initial space applications.
K. S. Dhathathreyan, N. Rajalakshmi
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A Study on the Water Splitting using Polymer Electrolyte Membrane for producing Hydrogen and Oxygen
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
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Impact of catalyst layer morphology on the operation of high temperature PEM fuel cells
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
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The effects of water and microstructure on the performance of polymer electrolyte fuel cells [PDF]
n this paper, we present a comprehensive non-isothermal, one-dimensional model of the cathode side of a Polymer Electrolyte Fuel Cell. We explicitly include the catalyst layer, gas diffusion layer and the membrane.
Shah, A. +6 more
core +1 more source
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

