Results 71 to 80 of about 179,969 (212)

A multi-objective optimisation model for a general polymer electrolyte membrane fuel cell system [PDF]

open access: yes, 2010
This paper presents an optimisation model for a general polymer electrolyte membrane (PEM) fuel cell system Suitable for efficiency and size trade-offs investigation.
Ang, SMC, Brett, DJL, Fraga, ES
core  

Formation of the organic-inorganic proton exchange membrane

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2016
The use of electrolyzers for the low-temperature water electrolysis with the solid polymer membrane is perspective for production of hydrogen using renewable energy sources. However, the high cost of membrane materials obstructs the mass commissioning of
A.O. Maizelis   +2 more
doaj   +1 more source

Fabrication and Characterization of Sulfonated Polysulfone Membrane with Different Thicknesses for Proton Exchange Membrane Fuel Cell

open access: yesEngineering Perspective
Membranes play a critical role in the performance of proton exchange membrane fuel cells. Membrane thicknesses have positive and negative effects on the characteristics of proton exchange membranes.
İrem Tanış   +5 more
doaj   +1 more source

Membrane with internal passages to permit fluid flow and an electrochemical cell containing the same [PDF]

open access: yes, 1997
The invention provides an improved proton exchange membrane for use in electrochemical cells having internal passages parallel to the membrane surface, an apparatus and process for making the membrane, membrane and electrode assemblies fabricated using ...
Cisar, Alan J.   +3 more
core   +1 more source

Proton Exchange Membrane Fuel Cells

open access: yesPlatinum Metals Review, 1997
Proton exchange membrane fuel cells operating on hydrogen/air are being considered as high efficiency, low pollution power generators for stationary and transportation applications. There have been many successful demonstrations of this technology in recent years. However, to penetrate these markets the cost of the fuel cell stack must be reduced. This
openaire   +1 more source

Preparation and Proton Exchange Properties of GO Grafting modified Cross-linked Membranes

open access: yesInternational Journal of Electrochemical Science, 2018
The cross-linked membranes were prepared with DS 68% SPEEK and epoxy resin. Sulfonated graphite oxide was grafted into SPEEK main bonds to study the sulfonic acid groups on the impact of proton exchange properties. Using solartron electrochemical testing
Zhengping Zhao   +4 more
doaj   +1 more source

Design and development of proton exchange membrane (PEM) from synthetic rubber and carbon nanoballs for PEM fuel cell [PDF]

open access: yes, 2010
The need for an alternative source of energy is very urgent. The challenges are to develop a new technology that will produce an efficient and environmentally friendly source of energy other than fossil fuel.
Abdulkareem, Ambali Saka
core  

Current-induced membrane discharge [PDF]

open access: yes, 2012
Possible mechanisms for over-limiting current (OLC) through aqueous ion-exchange membranes (exceeding diffusion limitation) have been debated for half a century.
Andersen, M. B.   +5 more
core   +4 more sources

Influence of Silica/Sulfonated Polyether-Ether Ketone as Polymer Electrolyte Membrane for Hydrogen Fueled Proton Exchange Membrane Fuel Cells

open access: yesInternational Journal of Science and Engineering, 2011
The operation of non-humidified condition of proton exchange membrane fuel cell (PEMFC) using composite sPEEK-silica membrane is reported. Sulfonated membrane of PEEK is known as hydrocarbon polyelectrolyte membrane for PEMFC and direct methanol fuel ...
Sri Handayani   +1 more
doaj   +1 more source

A Review of Proton Exchange Membrane Degradation Pathways, Mechanisms, and Mitigation Strategies in a Fuel Cell

open access: yesEnergies
Proton exchange membrane fuel cells (PEMFCs) have the potential to tackle major challenges associated with fossil fuel-sourced energy consumption. Nafion, a perfluorosulfonic acid (PFSA) membrane that has high proton conductivity and good chemical ...
Dharmjeet Madhav   +5 more
doaj   +1 more source

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