Relevant bibliographies by topics / Membrane electrode assemblies (MEAs)

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Academic literature on the topic 'Membrane electrode assemblies (MEAs)'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Dissertations / Theses on the topic "Membrane electrode assemblies (MEAs)"

1

Fanapi, Nolubabalo Hopelorant. "Durability studies of membrane electrode assemblies for high temperature polymer electrolyte membrane fuel cells." University of the Western Cape, 2011. http://hdl.handle.net/11394/5416.

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>Magister Scientiae - MSc<br>Polymer electrolyte membrane fuel cells (PEMFCs) among other fuel cells are considered the best candidate for commercialization of portable and transportation applications because of their high energy conversion and low pollutant emission. Recently, there has been significant interest in high temperature polymer electrolyte membrane fuel cells (HT-PEMFCs), due to certain advantages such as simplified system and better tolerance to CO poisoning. Cost, durability and the reliability are delaying the commercialization of PEM fuel cell technology. Above all durability
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Flores, Hernández José Roberto. "Optimization of membrane-electrode assemblies for SPE water electrolysis by means of design of experiments /." Stuttgart : Fraunhofer-IRB-Verl, 2005. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=014175428&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Ecklund-Mitchell, Lars E. "Development of Thin CsHSO4 Membrane Electrode Assemblies for Electrolysis and Fuel Cell Applications." [Tampa, Fla] : University of South Florida, 2008. http://purl.fcla.edu/usf/dc/et/SFE0002627.

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Bonifacio, Rafael Nogueira. "Estudo e desenvolvimento de conjuntos membrana-eletrodos (MEA) para célula a combustível de eletrólito polimérico condutor de prótons (PEMFC) com eletrocatalisadores à base de paládio." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-09012014-144413/.

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Sistemas de PEMFC são capazes de gerar energia elétrica com alta eficiência e baixa ou nenhuma emissão de poluentes, porém questões de custo e durabilidade impedem sua ampla comercialização. Nesse trabalho foi desenvolvido um MEA com eletrocatalisadores à base de paládio. Foram sintetizados e caracterizados eletrocatalisadores Pd/C, Pt/C e Ligas PdPt/C com diferentes razões entre metais e carbono. Foi realizado um estudo da razão entre ionômero de Nafion e eletrocatalisador para formação de triplas fases reacionais de máximos desempenhos, criado um modelo matemático para transpor esse ajuste p
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Barron, Olivia. "Gas diffusion electrodes for high temperature polymer electrolyte membrane fuel cells membrane electrode assemblies." University of the Western Cape, 2014. http://hdl.handle.net/11394/4323.

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Philosophiae Doctor - PhD<br>The need for simplified polymer electrolyte membrane fuel cell (PEMFCs) systems, which do not require extensive fuel processing, has led to increased study in the field of high temperature polymer electrolyte membrane fuel cells (HT-PEMFCs) applications. Although these HT-PEMFCs can operate with less complex systems, they are not without their own challenges; challenges which are introduced due to their higher operation temperature. This study aims to address two of the main challenges associated with HT-PEMFCs; the need for alternative catalyst layer (CL) ionomers
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Liang, Zhenxing. "Preparation of high-durability membrane and electrode assemblies for direct methanol fuel cells /." View abstract or full-text, 2008. http://library.ust.hk/cgi/db/thesis.pl?MECH%202008%20LIANG.

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Sengul, Erce. "Preparation And Performance Of Membrane Electrode Assemblies With Nafion And Alternative Polymer Electrolyte Membranes." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12608734/index.pdf.

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Hydrogen and oxygen or air polymer electrolyte membrane fuel cell is one of the most promising electrical energy conversion devices for a sustainable future due to its high efficiency and zero emission. Membrane electrode assembly (MEA), in which electrochemical reactions occur, is stated to be the heart of the fuel cell. The aim of this study was to develop methods for preparation of MEA with alternative polymer electrolyte membranes and compare their performances with the conventional Nafion&reg<br>membrane. The alternative membranes were sulphonated polyether-etherketone (SPEEK), composite,
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Hall, Kwame (Kwame J. ). "An Investigation of Different Methods of Fabricating Membrane Electrode Assemblies for Methanol Fuel Cells." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54474.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 46).<br>Methanol fuel cells are electrochemical conversion devices that produce electricity from methanol fuel. The current process of fabricating membrane electrode assemblies (MEAs) is tedious and if it is not sufficiently controlled can be very imprecise. The optimization of this process is paramount to the commercialization and mass production of methanol fuel cells. In order to further understanding this process, M
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Pestrak, Michael Thomas. "The Effect of Catalyst Layer Cracks on the Mechanical Fatigue of Membrane Electrode Assemblies." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/35447.

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Mechanical fatigue testing has shown that MEAs (membrane electrode assemblies) fail at lower stresses than PEMs (proton exchange membranes) at comparable times under load. The failure of MEAs at lower stresses is influenced by the presence of mud cracks in the catalyst layers acting as stress concentrators. Fatigue testing of MEAs has shown that smaller-scale cracking occurs in the membrane within these mud cracks, leading to leaking during mechanical fatigue testing and the failure of the membrane. In addition, this testing of MEAs has further established that the cyclic pressurization pat
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von, Kraemer Sophie. "Membrane Electrode Assemblies Based on Hydrocarbon Ionomers and New Catalyst Supports for PEM Fuel Cells." Doctoral thesis, KTH, Tillämpad elektrokemi, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9208.

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The proton exchange membrane fuel cell (PEMFC) is a potential electrochemicalpower device for vehicles, auxiliary power units and small-scale power plants. In themembrane electrode assembly (MEA), which is the core of the PEMFC single cell,oxygen in air and hydrogen electrochemically react on separate sides of a membraneand electrical energy is generated. The main challenges of the technology are associatedwith cost and lifetime. To meet these demands, firstly, the component expensesought to be reduced. Secondly, enabling system operation at elevated temperatures,i.e. up to 120 °C, would decre
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