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Дисертації з теми "Full cell process"

Автор: Grafiati
Опубліковано: 3 червня 2025
Оновлено: 31 липня 2025

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1

Trinh, Gina. "Novel regulator of tumour cell invasion:effect of Down-regulated renal cell carcinoma on cytoskeletal remodeling process." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110515.

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Анотація:
DRR has been shown to be a novel regulator of malignant glial cell invasion. Isolated from a screen for up-regulated genes in hyper-invasive cells, DRR is expressed in the peripheral regions of high grade gliomas (Le et al., 2010). In culture, DRR+ cells have significantly enhanced invasion (3D collagen, 2D wound healing assays) and their motility is characterized by elongated, mesenchymal-like shape with rapidly extending/retracting protrusions. The study of malignant cell invasion is multi-faceted; one aspect of this dysregulated process involves cytoskeletal remodeling to promote motility.
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2

Ayachi, Boubakeur. "Towards full sputtering deposition process for CIGS solar cell fabrication : from single thin film deposition up to device characterization." Thesis, Lille 1, 2016. http://www.theses.fr/2016LIL10150/document.

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Анотація:
De nos jours, et après plus de quatre décennies de recherche et développement de la technologie CIS, une concurrence directe avec la technologie silicium est toujours loin d'être gagnée; néanmoins, il existe certains marchés de niche où la technologie silicium ne peut pas être utilisée ou est moins appropriée. Les procédés de fabrication actuels présentent certains inconvénients: (i) certain(e)s matériaux et/ou techniques utilisé(e)s ont une forte empreinte environnementale, (ii) certains matériaux alternatifs développés sont coûteux, (iii) certaines techniques utilisées ne sont pas facilement
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3

Bittira, Bindu. "Bone marrow stromal cells in the tissue repair process following myocardial infarction." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32763.

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Marrow stromal cells (MSCs) are pluripotent stem cells which may participate in the repair of damaged organs. We tested the hypothesis that MSCs can be recruited to the heart upon myocardial infarction, and play pathophysiological roles in the subsequent healing and adaptation process. An animal model was created with labeled MSCs in its bone marrow and then a myocardial infarction produced. Donor MSCs from isogenic Lewis rats were harvested, multiplied in culture and labelled. Labelled cells were intravenously injected into the recipient rats and one week later upon the engraftment of these l
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4

Rahman, Md Majibur. "Changes in the yeast Saccaromyces cerivisae cell wall associated with autolysis in a simulated industrial process and study of the activity of related enzymes." Thesis, University of Strathclyde, 1991. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=21163.

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Анотація:
Although production of yeast autolysates is of considerable commercial importance, to date little has appeared in the published literature on the autolysis process. Yeast autolysates are widely used in the food industry because of their flavouring and taste-enhancing potential and for their nutritional benefit. Compounds arising from breakdown of proteins and nucleic acids and their derivitive nucleotides and amino acids, and lipid degradation are of primary importance as flavourings. In developing countries vitamins, and proteins, are of significance in enhancing nutritional value of foodstuf
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5

Gallagher, Paul. "Molding process development for fuel cell components." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11472.

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6

Lowrie, Fiona Louise. "Mechanical properties of a solid oxide fuel cell electrolyte." Thesis, Imperial College London, 1996. http://hdl.handle.net/10044/1/8664.

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7

Koslowske, Mark T. "A process based cost model for multi-layer ceramic manufacturing of solid oxide fuel cells." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0810103-173353.

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Анотація:
Thesis (M.S.)--Worcester Polytechnic Institute.<br>Keywords: process based cost model; cost model; fuel cell; PBCM; multi-layer ceramics; sofc; solid oxide fuel cell. Includes bibliographical references.
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8

Cameli, Fabio. "Microbial Fuel Cell for Waste Water Treatment." Thesis, KTH, Skolan för kemivetenskap (CHE), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-183074.

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Анотація:
Microbial Fuel Cell is a novel technology that can be used for a waste water treatment in order to simultaneously remove carbonaceous matter and nitrogen while producing electrical power. Even if it is not an established technology so far, MFC could be a cost effective option for waste water treatment and the major challenge of this process will be the device scale-up. Exoelectrogenic bacteria are capable of converting the chemical energy of organic matter into electrical energy by transferring the electrons produced in the oxidation to the anode electrode. This project focused on developing a
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9

Woodward, Heather Kathleen. "A performance based, multi-process cost model for solid oxide fuel cells." Link to electronic thesis, 2003. http://www.wpi.edu/Pubs/ETD/Available/etd-0428103-235205.

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Анотація:
Thesis (M.S.)--Worcester Polytechnic Institute.<br>Keywords: Solid oxide fuel cell; SOFC; cost model; sputtering; tape casting; screen printing; performance model; process yield model. Includes bibliographical references (p. 93).
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10

Hartono, Benny [Verfasser]. "Process Design Concepts for Wood-fed Fuel Cell Power Plants / Benny Hartono." München : Verlag Dr. Hut, 2013. http://d-nb.info/1045987980/34.

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11

Rezaei, Niya Seyed Mohammad. "Process modeling of impedance characteristics of proton exchange membrane fuel cells." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/53653.

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Анотація:
The impedance characteristics of proton exchange membrane (PEM) fuel cells are studied and analyzed in this thesis. The modeling approaches presented in literature are thoroughly reviewed and categorized as the measurement-modeling and process-modeling approaches. In the former category, a hypothetical equivalent circuit which has the impedance characteristics similar to measured impedances is presented. Since the equivalent circuit is not directly resulted from the physical and chemical properties of the PEM fuel cells, the majority of the measurement-modeling approaches lead to dubious concl
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12

ZURLO, FRANCESCA. "Perovskite electrodes for intermediate temperature solid oxide fuel cells." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2014. http://hdl.handle.net/2108/203058.

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Анотація:
The aim of this work was to investigate innovative „cobalt-free‟ electrode materials for the application in Solid Oxide Fuel Cells (SOFC) in the intermediate temperature (IT) range. Since the well-known La1-xSrxFe0.8Co0.2O3-δ (LSCF), Co-containing cathode material, suffers of problem of Co diffusion between electrode-electrolyte interface, the substitution with Cu can represent a solution to this problem. The study was focused on lanthanum strontium ferrite oxides (LSF) that where doped with copper or tantalum in the B site. The crystal structure of La1-xSrxFe1-yTayO3±δ (LSFT) and La1-xSrxFe0.
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13

Eisele, Prescott L. "Characterization of material behavior during the manufacturing process of a co-extruded solid oxide fuel cell." Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-04072004-004054/unrestricted/Eisele%5FPrescott%5FL%5F200405%5FMS.pdf.

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Анотація:
Thesis (M.S.)--Engineering, Georgia Institute of Technology, 2004.<br>McDowell, David, Committee Chair; Neu, Richard, Committee Member; Lee, Jim, Committee Member; Cochran, Joe, Committee Member. Includes bibliographical references (leaves 159-162).
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14

Eisele, Prescott L. (Prescott Lawrence). "Characterization of material behavior during the manufacturing process of a co-extruded solid oxide fuel cell." Thesis, Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5157.

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Анотація:
Recent developments in powder metal oxide processing have enabled co-extrusion of a honeycomb structure with alternating layers of metal and ceramic. Such a structure is envisioned for use as a Solid Oxide Fuel Cell (SOFC) if defects can be minimized during the manufacturing process. The two dissimilar materials tend to shrink at different rates during hydrogen reduction and sintering, inducing internal stresses that lead to structural defects such as cracks, or high residual stresses. The objective of this thesis is to characterize the shrinkage and relaxation mechanisms inherent in both t
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15

Didari, Sima. "Virtual modeling of a manufacturing process to construct complex composite materials of tailored properties." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53410.

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Анотація:
Fibrous porous media are widely used in various industries such as biomedical engineering, textiles, paper, and alternative energy. Often these porous materials are formed into composite materials, using subsequent manufacturing steps, to improve their properties. There is a strong correlation between system performance and the transport and mechanical properties of the porous media, in raw or composite form. However, these properties depend on the final pore structure of the material. Thus, the ability to manufacture fibrous porous media
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16

Tsuji, Yoichiro. "Study on thin film fabrication process and electrode reaction analysis for high efficiency solid oxide fuel cell." Kyoto University, 2020. http://hdl.handle.net/2433/259755.

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Анотація:
Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第22859号<br>人博第967号<br>新制||人||229(附属図書館)<br>2020||人博||967(吉田南総合図書館)<br>京都大学大学院人間・環境学研究科相関環境学専攻<br>(主査)教授 内本 喜晴, 教授 吉田 寿雄, 准教授 戸﨑 充男<br>学位規則第4条第1項該当
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17

Bulusu, Seshu Periah. "Comparison of the efficiency of a thermo-chemical process to that of a fuel cell process when both involve the same chemical reaction." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1554.

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18

Demchyna, O. I., I. Yu Yevchuk, and R. Y. Musiy. "Nanostructed Organic-inorganic Composite for Application in Fuel Cells and Solar Collectors." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35382.

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Анотація:
The paper describes the synthesis of nanostructed organic-inorganic composites using sol-gel technique. The presence of sulfocontaining monomer (3-sulfopropyl acrylate potassium salt) in obtained comonomer provides its proton conductive properties. Proton conductivity depending on temperature was determined by means of impedance spectrometry. Nanostructed organic-inorganic composites have been applied for obtaining thermoabsorbing coatings for solar collectors. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35382
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19

Fillman, Benny. "System studies of MCFC power plants." Licentiate thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-419.

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20

MIGLIAVACCA, PAOLO OTTONE. "Processi innovativi e relazioni interorganizzative nella configurazione di un settore emergente: il network del fuel cell." Doctoral thesis, Università Cattolica del Sacro Cuore, 2008. http://hdl.handle.net/10280/221.

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Анотація:
Avvalendosi di una prospettiva di network, il presente lavoro di ricerca pone al centro della propria analisi gli accordi inter-organizzativi sottostanti un'innovazione dall'evidente connotazione radicale: la fuel cell technology. Lo studio proposto consta di tre fasi esplorative interdipendenti. In primo luogo, attraverso interviste a manager di aziende coinvolte, è definito un modello interpretativo che consenta di distinguere i diversi attori del network in classi di organizzazioni similari. In conformità a tale modello, il primo obiettivo della ricerca è rilevare la presenza di pattern rel
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21

MIGLIAVACCA, PAOLO OTTONE. "Processi innovativi e relazioni interorganizzative nella configurazione di un settore emergente: il network del fuel cell." Doctoral thesis, Università Cattolica del Sacro Cuore, 2008. http://hdl.handle.net/10280/221.

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Анотація:
Avvalendosi di una prospettiva di network, il presente lavoro di ricerca pone al centro della propria analisi gli accordi inter-organizzativi sottostanti un'innovazione dall'evidente connotazione radicale: la fuel cell technology. Lo studio proposto consta di tre fasi esplorative interdipendenti. In primo luogo, attraverso interviste a manager di aziende coinvolte, è definito un modello interpretativo che consenta di distinguere i diversi attori del network in classi di organizzazioni similari. In conformità a tale modello, il primo obiettivo della ricerca è rilevare la presenza di pattern rel
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22

Shao, Qian. "Coupling fluid flow, heat and mass transfer with thermo-mechanical process : application to cracked solid oxide fuel cell." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAH008/document.

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Au cours des dernières décennies, les piles à combustible à oxyde solide sont devenues un dispositif prometteur de conversion d’énergie. Ceci est dû principalement à leur efficacité de conversion d’énergie, leur flexibilité du choix du carburant et leurs faibles émissions de polluants. Cependant, la température de fonctionnement élevée de cette variante de piles à combustible induit divers problèmes d’endommagement et de fissuration. Par conséquent, l’optimisation de leur durée de vie reste un problème à résoudre. Dans cette thèse, une approche numérique combinant la méthode des éléments finis
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23

Shirley, Alexander. "A transient steam reforming process to produce hydrogen from methane for use in fuel cells." Thesis, University of Bath, 2005. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414790.

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24

McGee, Seán. "Thermal energy management and chemical reaction investigation of micro-proton exchange membrane fuel cell and fuel cell system using finite element modelling." Thesis, KTH, Kraft- och värmeteknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173001.

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Анотація:
Fuel cell systems are becoming more commonplace as a power generation method and are being researched, developed, and explored for commercial use, including portable fuel cells that appear in laptops, phones, and of course, chargers. This thesis examines a model constructed on inspiration from the myFC PowerTrekk, a portable fuel cell charger, using COMSOL Multiphysics, a finite element analysis software. As an educational tool and in the form of zero-dimensional, two-dimensional, and three-dimensional models, an investigation was completed into the geometric construction, air conditions and c
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25

Ramasubramanian, Kartik. "CO2 (H2S)-SELECTIVE MEMBRANES FOR FUEL CELL HYDROGEN PURIFICATION AND FLUE GAS CARBON CAPTURE:AN EXPERIMENTAL AND PROCESS MODELING STUDY." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374193903.

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26

Javu, Bulelwa Patricia. "Multi-component Platinum Group Metals for the methanol electro-oxidation process." University of the Western Cape, 2018. http://hdl.handle.net/11394/6571.

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Анотація:
>Magister Scientiae - MSc<br>The purpose of this study was to develop a high performance-lower cost catalyst to be applied in Direct Methanol Fuel Cells (DMFC). The study also aimed to prepare plurimetallic supported platinum (Pt), platinum-ruthenium (PtRu), platinum-ruthenium-vanadium (PtRuV) and platinum ruthenium-vanadium-iron (PtRuVFe) upon multi-walled carbon nanotube (MWCNT) as well as upon multiwalled carbon nanotube-titanium oxide (MWCNT/TiO2) supports. Platinum is very active but prone to poisoning by carbon monoxide (CO), which may be present in the fuel used in fuel cells. Th
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27

Bonnin, Egilda Purusha. "Electrolysis of Ammonia Effluents: A Remediation Process with Co-generation of Hydrogen." Ohio : Ohio University, 2006. http://www.ohiolink.edu/etd/view.cgi?ohiou1156435340.

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28

Hill, Theresa Y. "Understanding Drop-on-Demand Inkjet Process Characteristics in the Application of Printing Micro Solid Oxide Fuel Cells." Wright State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=wright156167105938597.

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29

Tse, Laam Angela. "Membrane Electrode Assembly (MEA) Design for Power Density Enhancement of Direct Methanol Fuel Cells (DMFCs)." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/11522.

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Анотація:
Micro-direct methanol fuel cells (micro-DMFC) can be the power supply solution for the next generation of handheld devices. The applications of the micro-DMFCs require them to have high compactness, high performance, light weight, and long life. The major goal of this research project is to enhance the volumetric power density of direct methanol fuel cells (DMFCs). A performance roadmap has been formulated and showed that patterning the planar membrane electrode assembly (MEA) to 2-D and 3-D corrugated manifolds can greatly increase the power generation with very modest overall volume incre
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30

Saglietti, Guilherme Gonçalves de Aquino. "Investigação do processo de metanação de CO em ânodos de células a combustível PEMFC." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/75/75134/tde-05072013-090633/.

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Анотація:
Neste trabalho foi estudada a reação de metanação do CO em catalisador de Ru/C e sua aplicação em purificação de hidrogênio para utilização em célula a combustível. Tendo como meta a otimização da produção de metano em baixas temperaturas foram preparados materiais de RuxPd(1-x)/C, que também foram tratados termicamente em atmosfera úmida e redutora. Ao final do estudo com CO, também foi investigado o efeito da presença de CO2 no fluxo de hidrogênio, tal qual num sistema real utilizando-se gás de síntese. Os dados obtidos por espectroscopia de energia dispersiva de Raio-X (EDX) mostraram uma b
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31

Slováček, Adam. "Návrh energetických systémů využívajících vodík jako palivo." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230615.

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Анотація:
Purpose of this thesis is wisdom accumulation from current area of energetic use of hydrogen and future systems. In overview is presented possible processes where dominate steam methane reforming. In main part of thesis, steam methane reforming will be analyzed and electrolysis also. Actual results will be discussed. Next part is about energetic use of hydrogen based on thermochemical properties and safety. Used of hydrogen will be divided to areas thermal generation as burner‘s section, electric generation as fuel cell‘s section, mechanical energy as combustion engine’s section and finally ch
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32

EGUTE, NAYARA dos S. "Estudo do processo para a aceleracao da geracao de amonia a partir de residuos avicolas visando a producao de hidrogenio." reponame:Repositório Institucional do IPEN, 2010. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9615.

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Made available in DSpace on 2014-10-09T12:28:41Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:57:28Z (GMT). No. of bitstreams: 0<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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33

Turan, Cabir. "Investigations on the Effect of Manufacturing on the Contact Resistance Behavior of Metallic Bipolar Plates for Polymer Electrolyte Membrane Fuel Cells." VCU Scholars Compass, 2011. http://scholarscompass.vcu.edu/etd/2629.

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Анотація:
Polymer electrolyte membrane fuel cells (PEMFCs) have emerged as a strong and promising candidate to replace internal combustion engines (ICE) due their high efficiency, high power density and near-zero hazardous emissions. However, their commercialization waits for solutions to bring about significant cost-reductions and significant durability for given power densities. Bipolar plate (BPP) with its multi-faceted functions is one of the essential components of the PEMFC stacks. Stainless steel alloys are considered promising materials of choice for bipolar plate (BPP) applications in polymer e
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34

BONIFACIO, RAFAEL N. "Desenvolvimento de processo de produção de conjuntos eletrodo-membrana-eletrodo para células a combustível baseadas no uso de membrana polimérica condutora de protons (PEMFC) por impressão a tela." reponame:Repositório Institucional do IPEN, 2010. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9520.

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Made available in DSpace on 2014-10-09T12:27:35Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:07:28Z (GMT). No. of bitstreams: 0<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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35

Lucio, Fernando Carmona Simões. "Atividade eletrocatalítica de pós-ultrafinos de Pt(1-y) SnyOz preparados pelo processo Pechini para oxidação de etanol." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/59/59138/tde-11072008-095143/.

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Анотація:
Neste trabalho foi desenvolvido um método de preparação de eletrocatalisadores de Platina e Estanho suportados em carbono para a oxidação de etanol. Este método utiliza a decomposição térmica de precursores poliméricos, conhecido como método Pechini, para a produção de pós com tamanho de partículas da ordem de nanômetros. Foram preparados diversos catalisadores variando-se a proporção entre platina e estanho, e a proporção entre metal e carbono. Os eletrocatalisadores foram caracterizados por técnicas de Espectroscopia de Energia Dispersiva de raios X (EDX), Difração de raios X (DRX) e Microsc
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36

de, Carvalho Tomás Eduarda M. S. "Characterisation of the ceria and yttria co-doped scandia zirconia, produced by an innovative sol-gel and combustion process." Thesis, University of St Andrews, 2010. http://hdl.handle.net/10023/931.

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Анотація:
In the last decade new materials appeared that are candidates to be used as an electrolyte in a Solid Oxide Fuel Cell, SOFC. Some materials show high ionic conductivity but lack in important properties, such as mechanical stability or chemical compatibility with other materials in the fuel cell. Scandia Stabilised Zirconia, SSZ, became a possibility when the scandia price dropped with the opening of the Chinese and Russian markets. In the starting system Ce[subscript(x)]Y[subscript(0.2-x)]Sc₀.₆Zr₃.₂O[subscript(8-δ)], (0≤x≤0.2), scandia is introduced to improve conductivity and stabilise the c
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37

von, Unwerth Thomas, and Welf-Guntram Drossel. "FC³ - 1st Fuel Cell Conference Chemnitz 2019 - Saubere Antriebe. Effizient Produziert.: Wissenschaftliche Beiträge und Präsentationen der ersten Brennstoffzellenkonferenz am 26. und 27. November 2019 in Chemnitz." Universitätsverlag Chemnitz, 2019. https://monarch.qucosa.de/id/qucosa%3A35720.

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Анотація:
Die erste Chemnitzer Brennstoffzellenkonferenz wurde vom Innovationscluster HZwo und dem Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU durchgeführt. Ausgewählte Fachbeiträge und Präsentationen werden in Form eines Tagungsbandes veröffentlicht.<br>The first fuel cell conference was initiated by the innovation cluster HZwo and the Fraunhofer Institute for Machine Tools and Forming Technology. Selected lectures and presentations are published in the conference proceedings.
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ANTONIASSI, RODOLFO M. "Preparação de nanopartículas de platina com diferentes morfologias nos materiais Pt/C e PtSnO2/C para aplicação como ânodo em células a combústível de etanol direto." reponame:Repositório Institucional do IPEN, 2017. http://repositorio.ipen.br:8080/xmlui/handle/123456789/28036.

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Анотація:
Submitted by Pedro Silva Filho (pfsilva@ipen.br) on 2017-11-22T16:42:40Z No. of bitstreams: 0<br>Made available in DSpace on 2017-11-22T16:42:40Z (GMT). No. of bitstreams: 0<br>Neste trabalho foi estudado o efeito da adição de íons haletos (Cl-, Br- e I-) sobre a morfologia das nanopartículas de Pt na produção de catalisadores de Pt/C e PtSnO2/C. Foi desenvolvida uma metodologia de síntese simples capaz de produzir nanopartículas de Pt predominantemente cúbicas com orientação preferencial Pt(100), diretamente suportadas em carbono sem o uso de agentes estabilizantes. Brometo de potássio foi u
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39

Egute, Nayara dos Santos. "Estudo do processo para a aceleração da geração de amônia a partir de resíduos avícolas visando à produção de hidrogênio." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-12082011-155529/.

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Анотація:
O hidrogênio, utilizado em células a combustível, pode ser produzido a partir de diferentes espécies químicas, entre elas a amônia. O gás amônia como matéria prima para produção de H2 tem sido utilizado devido ao seu alto conteúdo energético e de hidrogênio, pela sua facilidade de decomposição, grande disponibilidade, baixo custo, pelas baixas pressões de armazenamento e pelos subprodutos do processamento serem ambientalmente corretos. Uma das fontes de amônia são os sistemas produtivos de frango de corte e ovos. Nesses sistemas a amônia é gerada a partir da decomposição do ácido úrico encontr
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40

DRESCH, MAURO A. "Sintese e caracaterizacao eletroquimica de membranas hibridas nafion-SiOsub(2) para aplicacao como eletrolito polimerico em celulas a combustivel tipo PEM." reponame:Repositório Institucional do IPEN, 2009. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9477.

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Анотація:
Made available in DSpace on 2014-10-09T12:27:09Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:56:18Z (GMT). No. of bitstreams: 0<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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COSTA, LUZIA B. O. "Avaliação do ciclo de vida da produção de biogás via estação de tratamento de esgoto e uso em célula a combustível de óxido sólido." reponame:Repositório Institucional do IPEN, 2012. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10102.

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Анотація:
Made available in DSpace on 2014-10-09T12:34:47Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:03:29Z (GMT). No. of bitstreams: 0<br>Dissertação (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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DRESCH, MAURO A. "Aplicação de catalisadores PtSn/C e membranas Nafion-SiOsub(2) em células a combustível de etanol direto em elevadas temperaturas." reponame:Repositório Institucional do IPEN, 2014. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10633.

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Анотація:
Made available in DSpace on 2014-10-09T12:42:37Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:01:33Z (GMT). No. of bitstreams: 0<br>Tese (Doutorado em Tecnologia Nuclear)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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Vilà-Rovira, Albert. "Integrating computational fluid dynamics and biological model to assess wastewater reactor design." Doctoral thesis, Universitat de Girona, 2017. http://hdl.handle.net/10803/461774.

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Анотація:
This doctoral thesis has integrated biological models (activated sludge models “ASM”) with simulation tools of computational fluid dynamics “CFD”, and has applied them to the design of two advanced technologies for wastewater treatment: “Microbial Fuel Cells” and the “Anammox” process. Wastewater treatments based on Microbial Fuel Cells use the catalytic bioelectrochemical activity of certain microorganisms to oxidise organic compounds and produce electricity without needing additional chemical compounds. In Anammox process (Anaerobic Ammonium Oxidation) microorganisms also play a main role in
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Franco, Alejandro A. "A multiscale modeling framework for the transient analysis of PEM Fuel Cells - From the fundamentals to the engineering practice." Habilitation à diriger des recherches, Université Claude Bernard - Lyon I, 2010. http://tel.archives-ouvertes.fr/tel-00740967.

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Анотація:
In recent years, Polymer Electrolyte Membrane Fuel Cells (PEMFC) have attracted much attention due to their potential as a clean power source for many applications, including automotive, portable and stationary devices. This resulted in a tremendous technological progress, such as the development of new membranes and electro-catalysts or the improvement of electrode structures. However, in order to compete within the most attractive markets, the PEMFC technologies did not reach all the required characteristics yet, in particular in terms of cost and durability.Because of the strong coupling be
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PEREIRA, CLOTILDE C. "Desenvolvimento de membranas aniônicas obtidas por enxertia via irradiação para aplicação em células a combustível alcalinas." reponame:Repositório Institucional do IPEN, 2017. http://repositorio.ipen.br:8080/xmlui/handle/123456789/27979.

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Анотація:
Submitted by Marco Antonio Oliveira da Silva (maosilva@ipen.br) on 2017-11-09T12:16:30Z No. of bitstreams: 0<br>Made available in DSpace on 2017-11-09T12:16:30Z (GMT). No. of bitstreams: 0<br>As membranas de troca aniônica são uma alternativa promissora para o desenvolvimento de eletrólitos mais eficientes para células a combustível alcalinas. Em geral, as membranas de troca aniônica são ionômeros capazes de conduzir íons hidroxila devido aos grupos quaternário de amônio e têm como característica elevado pH equivalente. Com o objetivo de desenvolver membranas aniônicas química e termicamente e
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46

Bonifacio, Rafael Nogueira. "Desenvolvimento de processo de produção de conjuntos eletrodo-membrana-eletrodo para células a combustível baseadas no uso de membrana polimérica condutora de prótons (PEMFC) por impressão a tela." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-29082011-151940/.

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Анотація:
Energia é um recurso que historicamente apresenta tendência de crescimento de demanda. Projeções indicam que, para suprir as necessidades energéticas do futuro, será necessário um uso massivo do hidrogênio como combustível. O uso de sistemas de célula a combustível baseada no uso de membrana polimérica condutora de prótons (PEMFC) tem características que permitem sua aplicação para geração de energia elétrica em aplicações estacionárias, automotivas e portáteis. O uso de hidrogênio como combustível para PEMFC apresenta a vantagem de resultar em baixa emissão de poluentes quando comparado às do
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47

Gloaguen, François. "Etude et développement de plaques composites bipolaires pour piles à combustible." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00961189.

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Анотація:
Cette thèse a pour but de contribuer à la mise au point et le développement, de plaques mono ou bipolaires composites pour piles à combustibles à membranes échangeuses de protons (ou PEMFC). Les plaques mono ou bipolaires (selon le type de refroidissement choisi) sont un élément essentiel au fonctionnement des piles car elles l'alimentent en gaz réactifs (hydrogène et oxygène de l'air), assurent la tenue mécanique des cellules, la séparation des compartiments anodique et cathodique, le collectage des électrons, et l'évacuation des " sous-produits " eau et chaleur. L'optimisation des propriétés
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48

Ayoub, Jamil Mahmoud Said. "Preparação de eletrocatalisadores PtSb2O5.SnO2 suportados em carbono e ATO pelo método da redução por álcool para oxidação eletroquímica do etanol." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-15042013-092732/.

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Анотація:
Os eletrocatalisadores PtSn / C-ATO com Pt e Sn com diferentes relações atômicas (90:10, 70:30 e 50:50) foram preparados em uma única etapa pelo processo de redução por álcool usando H2PtCl6.6H2O e SnCl2.2H2O como fontes de metais e etileno glicol como solvente e agente redutor e de uma mistura física de carbono Vulcan XC72 (85% em peso) e ATO(Sb2O5.SnO2) (15% em peso) como o suporte (C-ATO). Os materiais obtidos foram caracterizados por difração de raios X (DRX) e microscopia eletrônica de transmissão (MET). A atividade catalítica para oxidação eletroquímica do etanol em meio ácido foi invest
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49

Pene, Serigne Daouda. "Études prédictives des processus de vieillissement des piles à combustible à membrane d'échange de protons par approche hybride." Electronic Thesis or Diss., Université de Toulouse (2023-....), 2024. http://www.theses.fr/2024TLSEP146.

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Анотація:
De manière à satisfaire à des exigences de plus en plus strictes en termes d’émissions de CO2, la pile à combustible (PàC) est considérée comme une technologie prometteuse pour la décarbonation du transport, notamment pour la mobilité lourde. Cependant, les obstacles liés à la durabilité des PàC restent une préoccupation majeure pour une adoption à grande échelle de cette technologie. La durabilité des PàC dépend principalement des dégradations rencontrées lors de son utilisation. Par conséquent, les mécanismes de prédiction du vieillissement doivent être intégrés aux stratégies de contrôle.An
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50

Wagner, Katharina. "An Extension to Endoreversible Thermodynamics for Multi-Extensity Fluxes and Chemical Reaction Processes." Doctoral thesis, Universitätsbibliothek Chemnitz, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-146781.

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Анотація:
In this thesis extensions to the formalism of endoreversible thermodynamics for multi-extensity fluxes and chemical reactions are introduced. These extensions make it possible to model a great variety of systems which could not be investigated with standard endoreversible thermodynamics. Multi-extensity fluxes are important when studying processes with matter fluxes or processes in which volume and entropy are exchanged between subsystems. For including reversible as well as irreversible chemical reaction processes a new type of subsystems is introduced - the so called reactor. It is similar t
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