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Dissertations / Theses on the topic 'Anode oxidation'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Habibzadeh, Bahman. "Understanding the co oxidation in solid oxide fule cells using nickel patterned anode." College Park, Md.: University of Maryland, 2007. http://hdl.handle.net/1903/7714.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Dept. of Mechanical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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2

Siengchum, Tritti. "Electrochemical Oxidation of Methane on Ni-Doped Perovskite Anode Solid Oxide Fuel Cell." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1248205545.

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3

Guzman, Montanez Felipe. "Electrochemical and Photocatalytic Oxidation of Carbon and Hydrocarbons." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1259616984.

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4

賴慶才 and Hing-choi Lai. "Electrochemical studies of the lithium-aluminium anode in methyl acetate." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1986. http://hub.hku.hk/bib/B31207650.

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5

ZHANG, HAO. "ELECTROCHEMICAL DEGRADATION OF 4-CHLOROPHENOL." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1154119633.

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6

Nylén, Linda. "Critical potential and oxygen evolution of the chlorate anode." Licentiate thesis, KTH, Chemical Engineering and Technology, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3957.

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<p>In the chlorate process, natural convection arises thanks to the hydrogen evolving cathode. This increases the mass transport of the different species in the chlorate electrolyte. There is a strong connection between mass transport and the kinetics of the electrode reactions. A better knowledge about these phenomena and their interactions is desirable in order to understand e.g. the reasons for deactivation of anode coatings and what process conditions give the longest lifetime and the highest efficiency.</p><p>One of the aims of his work was to understand how the chlorate process has to be

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7

Thomason, Arthur Hugh. "Increasing the CO tolerance of PEM fuel cells via current pulsing and self-oxidation." Texas A&M University, 2004. http://hdl.handle.net/1969.1/260.

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An investigation was conducted to determine and compare the effect of cell current pulsing and "self-oxidation" in increasing the CO tolerance of a PEM fuel cell. The most effective pulsing parameter values were also determined. Current pulsing involves periodically demanding positive current pulses from the fuel cell to create an anode over-potential, while "self-oxidation" or sustained potential oscillations is achieved when the anode catalyst becomes so saturated with CO that the anode over-potential increases to a value at which CO is oxidized from the catalyst surface. The CO tolerance

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8

Sarver, Emily Allyn. "The Ferrous Regeneration Process for Use in Alternate Anode Reaction Technology in Copper Hydrometallurgy." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/34291.

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The Fe(II) regeneration process is an important aspect of Alternate Anode Reaction Technology (AART) using Fe(II)/Fe(III)-SO2 reactions for copper hydrometallurgy; however little has been done to study it specifically. The process regenerates Fe(II) via Fe(III) reduction by SO2(aq), catalyzed by activated carbon particles. To better understand and improve the process, two studies have been conducted with respect to variable factors and their affects on the regeneration. A study of fundamental kinetics confirms that the regeneration reaction is mass transfer-controlled, requiring adsorption

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9

Schattauer, Andreas. "Prozessentwicklung und Charakterisierung einer anodisch-keramisierten Al-Zylinderlaufbahn unter tribologischen Aspekten zur Reduzierung der CO2 - Emissionen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-23651.

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Die Anforderungen an die Verbrennungsmotoren im Hinblick auf Emissionen, Kraftstoffverbrauch und Leistungspotentiale sind in den letzten Jahren stark gestiegen. Die zunehmende Leistungsdichte, aufgrund eingesetzter Konzepte wie Downsizing und Aufladung, führt gerade an der Zylinderlaufbahn zu ansteigenden thermischen und mechanischen Belastungen. Aktuelle Konzepte, wie z.B. Aluminium-Silizium-Legierungen erreichen dabei ihre Belastungsgrenzen, so dass zur Absicherung der Funktion Grauguss - Legierungen in Buchsenform eingesetzt werden. Dies führt jedoch wiederum zu einem Motormehrgewicht mit

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10

Soma, Arpita. "Electrochemical oxidation of Phenol –A Comparative Study Using Pulsed and Non-pulsed Techniques." Cincinnati, Ohio : University of Cincinnati, 2009. http://rave.ohiolink.edu/etdc/view.cgi?acc_num=ucin1267718359.

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Thesis (M.S.)--University of Cincinnati, 2009.<br>Advisor: Margaret J. Kupferle. Title from electronic thesis title page (viewed Apr. 26, 2010) Includes abstract. Keywords: phenol; electrochemical oxidation; chlorate; boron doped diamond anode. Includes bibliographical references.

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11

Courtois, Julien. "Iridium-based bimetallic alloy catalysts for the ethanol oxidation reaction for fuel cells modeled by density functional theory." Digital WPI, 2013. https://digitalcommons.wpi.edu/etd-theses/295.

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Current ethanol oxidation catalysts in direct ethanol fuel cells (typically platinum-based) suffer from low conversion and are susceptible to CO poisoning. Therefore we determined to find viable alternative catalysts for ethanol oxidation based on iridium using density functional theory to model bimetallic alloy (111) surfaces. Iridium was alloyed with another transition metals M in an overlayer (one layer of metal M on top of bulk iridium) or subsurface configuration (M is inserted under the first layer of iridium). Complete oxidation of ethanol is limited by the breaking of strong C-C bonds,

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12

Bodén, Andreas. "The anode and the electrolyte in the MCFC." Doctoral thesis, KTH, Kemiteknik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4382.

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A goal of the Swedish government is to increase the usage of renewable fuels and biomass-based fuels. Fuel cells, and especially the MCFC, are useful for these types of fuels. The Swedish market may benefit from the MCFC in two ways: increased efficiency of the biofuels and also utilisation of produced heat in district heating. Most of the commercial MCFC systems today are optimised for use with methane. The possibility to utilise biomass in Sweden makes it important to study how the MCFC may be adapted or optimised for good performance and low degradation with gas produced from biomass or oth

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13

Olu, Pierre-Yves. "Etude de l'anode pour la pile à combustible directe aux borohydrures." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAI101/document.

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Le travail présenté dans cette thèse porte sur l'anode de la pile à combustible directe aux borohydrures (DBFC, selon l'acronyme anglais). Une première approche pour développer l'anode de la DBFC est d'étudier cette anode à l'intérieur du système global de la DBFC. Dans cette optique, des anodes composées des catalyseurs Pt/C et Pd/C ont été caractérisée en banc de test DBFC. D'autres facteurs ont aussi été étudiés, tels que la morphologie de l'anode et la stabilité des nanoparticules des catalyseurs.Le catalyseur d'anode de la DBFC doit idéalement exhiber une activité catalytique suffisante p

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14

Holze, Rudolf, and Yuping Wu. "Mild Preparation of Anode Materials for Lithim Ion Batteries: from Gas-Phase Oxidation to Salt-free Green Method." Universitätsbibliothek Chemnitz, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200901922.

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Natural graphite from cheap and abundant natural sources is an attractive anode material for lithium ion batteries. We report on modifications of such a common natural graphite, whose electrochemical performance is very poor, with solutions of (NH4)2S2O8, concentrated nitric acid, and green chemical solutions such of e.g. hydrogen peroxide and ceric sulfate. These treatments resulted in markedly im-proved electrochemical performance (reversible capacity, coulombic efficiency in the first cycle and cycling behavior). This is attributed to the effective removal of active defects, formation of a

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15

Hibino, Takashi, Mitsuru Sano, Masahiro Nagao, and Pilwon Heo. "A High-Performance Mo2C-ZrO2 Anode Catalyst for Intermediate-Temperature Fuel Cells." The Electrochemical Society, 2007. http://hdl.handle.net/2237/18429.

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16

Sun, Yuandong. "REDUCED SILICA GEL FOR SILICON ANODE BASED LI-ION BATTERY AND GOLD NANOPARTICLE AT MOLYBDENUM DISULFIDE PHOTO CATALYST FOR SELECTIVE OXIDATION REACTION." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1490479937863989.

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17

Gueneau, de Mussy Jean Paul. "Production and study of a Ti/Ti02/Noble metal anode." Doctoral thesis, Universite Libre de Bruxelles, 2002. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211348.

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<p align="justify">Plusieurs métaux de notre vie courante sont obtenus industriellement au moyen de procédés électrolytiques. Un des procédés les plus communs est l’électro-obtention de cuivre, dans lequel le métal est déposé à la cathode tandis que l'oxygène se dégage à l'anode. Généralement, en usine, plusieurs anodes et cathodes, ayant une surface de 1 m2 et séparées par plus ou moins 10 cm sont alternées dans une cellule contenant une solution d'acide sulfurique riche en sulfate de cuivre. En fonction des conditions d'utilisation, les cathodes sont remplacées, après un certain temps, par d

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18

Sano, Mitsuru, Takashi Hibino, and Atsuko Tomita. "Surface Modification of a Doped BaCeO3 to Function as an Electrolyte and as an Anode for SOFCs." The Electrochemical Society, 2005. http://hdl.handle.net/2237/18455.

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19

Ganiyu, Soliu. "Electrochemical Advanced Oxidation Processes for removal of Pharmaceuticals from water : Performance studies for sub-stoichiometric titanium oxide anode and hierarchical layered double hydroxide modified carbon felt cathode." Thesis, Paris Est, 2016. http://www.theses.fr/2016PESC1116/document.

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AbstractLes polluants émergents que sont les résidus de produits pharmaceutiques sont devenus une problématique majeure de par leur persistance et leur accumulation continue dans les différents compartiments de l’environnement. Leur élimination est un des challenges majeurs de ce siècle. Les procédés électrochimiques d’oxydation avancée (PEOA) tel que l’oxydation anodique (AO) et l’électro-Fenton (EF) ont démontré leur efficacité pour la dégradation et la minéralisation complète de cette classe de polluant. Un oxyde de titane sous-stœchiométrique déposé par plasma sur un alliage de titane a ét

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20

Madian, Mahmoud. "Fabrication and characterization of highly-ordered TiO2-CoO, CNTs@TiO2-CoO and TiO2-SnO2 nanotubes as novel anode materials in lithium ion batteries." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-232646.

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Developed rechargeable batteries are urgently required to make more efficient use of renewable energy sources to support our modern way of life. Among all battery types, lithium batteries have attracted the most attention because of the high energy density (both gravimetric and volumetric), long cycle life, reasonable production cost and the ease of manufacturing flexible designs. Indeed, electrode material characteristics need to be improved urgently to fulfil the requirements for high performance lithium ion batteries. TiO2-based anodes are highly promising materials for LIBs to replace carb

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21

Gadacz, Geoffroy. "Développement d'une anode cermet Ni-CGO pour une pile à combustible monochambre fonctionnant sous un mélange O2/C3H8." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2010. http://tel.archives-ouvertes.fr/tel-00484669.

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Cette étude est dédiée au développement d'une anode pour une pile à combustible SOFC monochambre. Ce dispositif ne présente pas de séparation physique entre les compartiments anodique et cathodique, contrairement à une pile conventionnelle. Un mélange contenant de l'oxygène et un hydrocarbure est directement injecté sur l'ensemble du dispositif comprenant électrolyte, anode et cathode. La cathode doit être sélective à la réduction de l'oxygène et l'anode à l'oxydation de l'hydrocarbure. Ce dispositif permet donc de s'affranchir des problèmes d'étanchéité des dispositifs conventionnels mais les

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22

Nylén, Linda. "Influence of the electrolyte on the electrode reactions in the chlorate process." Doctoral thesis, KTH, Tillämpad elektrokemi, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4681.

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The chlorate process is very energy intensive and a major part of the production costs are for electrical energy. Since the electricity prices are constantly increasing and may also vary periodically, the chlorate plants may be forced to adjust their production rate to the price at each moment in order to minimise their costs. Variation of current load requires increased knowledge regarding the electrode behaviour in a wide current range. In this thesis, the aim was to study the impact of the electrolyte on the electrode reactions in order to reduce the energy consumption. The work has mainly

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23

Weeks, Simon A. "Anodes for methanol oxidation." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.258023.

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24

Hartley, Matthew. "Boron-Doped Diamond Anodes for Electrochemical Oxidation of Wastewaters." Thesis, University of London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.522877.

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25

Souza, Fernanda de Lourdes. "Processos eletro-oxidativos aplicados à degradação de dimetil ftalato." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/75/75134/tde-30072013-092845/.

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Os ésteres de ácido ftálico são utilizados como aditivos na manufatura de plásticos e a contaminação do meio ambiente por esses compostos pode ocorrer por diferentes mecanismos. Dado o efeito destes no sistema endócrino de animais e seres humanos, efluentes contendo esses compostos sintéticos devem ser adequadamente tratados antes de qualquer descarte. Os tratamentos convencionais são ineficientes para tratar efluentes aquosos contendo esses ésteres e a oxidação eletroquímica tem sido utilizada como uma opção viável. Assim, neste trabalho foi estudada a degradação eletroquímica de dimetil ftal

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26

Tian, Yuan. "Fabrication and characterization of active and stable Ti/Si/BDD anodes for electro-oxidation /." View abstract or full-text, 2004. http://library.ust.hk/cgi/db/thesis.pl?EVNG%202004%20TIAN.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2004.<br>Includes bibliographical references (leaves 89-99). Also available in electronic version. Access restricted to campus users.

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27

Light, Nir. "Air plasma spraying of copper-based SOFC anodes for direct oxidation of hydrocarbon fuels." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42774.

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This thesis investigates the utilization of atmospheric plasma spraying (APS) utilizing a DC axial injection torch to produce porous composite SOFC anodes for direct oxidation of hydrocarbon fuels based on samaria doped ceria (SDC) or gadolinia doped ceria (GDC) and Cu or Cu-Co. Currently, these anodes are manufactured by multi-step wet ceramic processes, which makes them difficult to produce economically at moderate volumes. In contrast to wet ceramic processing, APS allows rapid, easy-to-automate processing and easy scale-up to mass production of SOFCs. The main challenge in producing these

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28

Spitzer, Marcos. "Eletroxidação de cloranfenicol e outros poluentes organicos utilizando reatores eletroquimicos, constituidos de anodos tipo DSA ou de diamante dopado com boro (DDB)." [s.n.], 2005. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265263.

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Orientador: Rodnei Bertazzoli<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-05T06:46:31Z (GMT). No. of bitstreams: 1 Spitzer_Marcos_D.pdf: 1019872 bytes, checksum: 57974ac02038eb53169c99987a119811 (MD5) Previous issue date: 2005<br>Resumo: O método de oxidação eletroquímica foi aplicado a soluções aquosas contendo cloranfenicol (CAP) e outros compostos orgânicos. Para isso, utilizou-se um anodo de óxido condutor, comercial, tipo DSA®, de composição 70TiO2-30RuO2 e um anodo de diamante dopado com boro (DDB) tip

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29

Monteil, Hélène. "Development and implementation of the Bio-electro-Fenton process : application to the removal of pharmaceuticals from water A review on efficiency and cost effectiveness of electro- and bio-electro-Fenton processes: application to the treatment of pharmaceutical pollutants in water. Efficient removal of diuretic hydrochlorothiazide from water by electro-Fenton process using BDD anode: a kinetic and degradation pathway study Electro-Fenton treatment of the widely used analgesic tramadol using BDD anode: a kinetic, energetic and degradation pathway study Efficiency of a new pilot scale continuous reactor for wastewater treatment by electrochemical advanced oxidation processes: influence of operating conditions and focus on hydrodynamics Electrochemical advanced oxidation processes combined with a biological treatment for wastewater treatment: a deep understanding on the influence of operating conditions and global efficiency." Thesis, Paris Est, 2019. http://www.theses.fr/2019PESC2045.

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Les procédés électrochimiques d'oxydation avancée constituent une technologie efficace pour traiter les produits pharmaceutiques car ils permettent la formation d'oxydants puissants tels que les radicaux hydroxyles capables d'éliminer presque tout type de contaminants organiques grâce à leur très haut pouvoir oxydant. Parmi eux, l’électro-Fenton et l’oxydation anodique sont des méthodes respectueuses de l'environnement car ils n'utilisent aucun réactif chimique (oxydation anodique) ou uniquement l'oxygène de l'air et des ions fer en tant que catalyseur (électro-Fenton).Dans cette thèse, quatre

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Sano, Mitsuru, Ushio Harada, Takashi Hibino, Atsuko Hashimoto, and Daisuke Hirabayashi. "Bi-Based Oxide Anodes for Direct Hydrocarbon SOFCs at Intermediate Temperatures." The Electrochemical Society, 2004. http://hdl.handle.net/2237/18432.

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SILVA, DIONISIO F. da. "Preparacao de eletrocatalisadores PtRu/C e PtSn/C utilizando feixe de eletrons para aplicacao como anodo na oxidacao direta de metanol e etanol em celulas a combustivel de baixa temperatura." reponame:Repositório Institucional do IPEN, 2009. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9475.

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Made available in DSpace on 2014-10-09T12:27:08Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:56:45Z (GMT). No. of bitstreams: 0<br>Tese (Doutoramento)<br>IPEN/T<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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Pipi, Angelo Ricardo Fávaro. "Oxidação dos herbicidas Diuron e Alaclor através de processos eletroquímicos oxidativos avançados utilizando ânodos: Ti/IrO2, Ti/RuO2, Pt e BDD." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/59/59138/tde-04072014-110134/.

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A degradação do herbicida Diuron comercial (Nortox SA) foi realizada utilizando os ânodos Ti/RuxTi(1-x)O2 e Ti/IrxTi(1-x)O2 (x = 0,3; 0,5 e 0,7). A investigação da degradação foi conduzida na presença e na ausência de cloreto. O estudo da remoção do herbicida em função da densidade de corrente na ausência de cloreto rendeu remoções de 41 e 49% de demanda química de oxigênio (DQO) e remoções de 10 e 14% de carbono orgânico total (COT) a 100 mA cm-2, respectivamente. Mantendo-se o tempo de eletrólise constante (4 h), a composição do ânodo Ti/Ru0,7Ti0,3O2 foi determinada como a mais ativa para re

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Di, Iglia Rosana Aparecida. "Remoção eletroquimica de fenol em efluentes aquosos utilizando celula de fluxo com anodo tridimensional do tipo ADE'Marca Registrada'." [s.n.], 2002. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265267.

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Orientador: Rodnei Bertazzoli<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-07T02:22:07Z (GMT). No. of bitstreams: 1 DiIglia_RosanaAparecida_D.pdf: 4710349 bytes, checksum: 37403e2c6d7327bc8bcf0db8ad4d116c (MD5) Previous issue date: 2002<br>Resumo: Os compostos fenólicos são amplamente utilizados, principalmente na produção de plásticos, resinas e na indústria petroquímica, gerando efluentes com alta toxicidade. Os tratamentos existentes, embora eficientes, demandam adição de grandes quantidades de reagentes,

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Steenken, Valentin [Verfasser], and Hoffmann M. [Akademischer Betreuer] J. "Oxidation of Ni-8YSZ anodes in Solid Oxide Fuel Cells - An "In status operandi" measurement method / Valentin Steenken ; Betreuer: M. J. Hoffmann." Karlsruhe : KIT-Bibliothek, 2019. http://d-nb.info/1187343277/34.

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You, Sheng Mu. "Metal organic frameworks as efficient photosensitizer for TiO₂ nanoarray anode and application to water splitting in PEC cells Fe/Ni Bimetallic organic framework deposited on TiO₂ nanotube array for enhancing higher and stable activity of oxygen evolution reaction Novel nano-architectured water splitting photoanodes based on TiO₂-nanorod mats surface sensitized by ZIF-67 coatings Surface sensitization of TiO₂ nanorod mats by electrodeposition of ZIF-67 for water photo-oxidation Electrochemically capacitive deionization of copper (II) using 3D hierarchically reduced graphene oxide architectures." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASF015.

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Les réserves de combustibles fossiles diminuent et leur utilisation illimitée depuis la révolution industrielle a généré de profonds changements du climat, notamment des cycles de la température atmosphérique. Stocker l'énergie solaire sous forme d'hydrogène produit par dissociation de l'eau est un moyen idéal pour combattre le réchauffement climatique. Les matériaux de la famille des «metal organic framework» (MOF) commencent à être utilisés comme photo-électrocatalyseurs, notamment pour la photo-dissociation de l'eau. Leur porosité extrêmement élevée et leur grande polyvalence, tant chimique

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Santiago, Aline Nogueira Alves. "Aplica??o do processo oxidativo avan?ado eletroqu?mico (POAE) mediante uso de reator filtro prensa do tipo eletr?lito polim?rico s?lido no tratamento de efluentes aquosos simulados contendo f?rmacos de relev?ncia ambiental." UFVJM, 2015. http://acervo.ufvjm.edu.br/jspui/handle/1/811.

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Submitted by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2016-01-06T16:33:02Z No. of bitstreams: 2 aline_nogueira_alves_santiago.pdf: 3992386 bytes, checksum: b8ec3c32c9f964b34275b2319b6b3edf (MD5) license_rdf: 22974 bytes, checksum: 99c771d9f0b9c46790009b9874d49253 (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2016-01-07T11:54:26Z (GMT) No. of bitstreams: 2 license_rdf: 22974 bytes, checksum: 99c771d9f0b9c46790009b9874d49253 (MD5) aline_nogueira_alves_santiago.pdf: 3992386 bytes, checksum: b8ec3c32c9f964b34275b2319b6b3edf (MD5)<br

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Mora, Gómez Julia. "Eliminación de contaminantes orgánicos emergentes mediante procesos electroquímicos de oxidación avanzada." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/158751.

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[ES] La presente Tesis Doctoral se centra en el estudio del comportamiento electroquímico de nuevos electrodos cerámicos basados en SnO2 dopado con Sb2O3. El estudio está orientado a la posterior aplicación de estos electrodos en procesos electroquímicos de oxidación avanzada. Inicialmente, se consideraron diferentes temperaturas de sinterización (entre 1050°C y 1250°C) y se observó que un aumento en la temperatura de sinterización favorecía la deposición del Sb2O3 en la superficie anódica, disminuyendo así la resistividad del electrodo. Posteriormente, se estudió el comportamiento electroquí

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Lee, Eungje. "Development of anode catalysts for direct alcohol fuel cells." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-08-1708.

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Direct alcohol fuel cells (DAFC) are attracting considerable interest to meet a variety of energy needs as they offer higher efficiency with less pollution compared to other conventional energy-conversion devices. However, the sluggish alcohol oxidation reaction kinetics and durability problems of the conventional Pt-Ru anode catalyst hamper the commercialization of the DAFC systems. With an aim to overcome these problems, there have been intensive efforts to alloy Pt-Ru with other metals. Although such strategies have led to some enhancement in activity, the durability problem caused by the i

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Wang, Wen-De, and 王文德. "THE INFLUENCES OF ANODE AND MEDIATOR ON THE ELECTROCHEMICAL OXIDATION OF CHOROPHENOLS." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/nxkv4j.

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碩士<br>輔英科技大學<br>環境工程衛生系碩士班<br>92<br>Destruction of chorophenols (2-chorophenol, 3-chorophenol, and 4-chorophenol) was conducted in aqueous solution using electrochemical oxidation method. Study of operating parameters including anode material, mediator and current density were conducted to investigate the influences on removal efficiency and reaction kinetics of the process. Experimental results show that Pt(Ⅱ) oxide and Pt(Ⅳ) oxide anodes exhibit good performance among the five studied electrodes, including Ir(Ⅲ) oxide, Pd(Ⅱ) oxide, Pt(Ⅱ) oxide, Pt(Ⅳ) oxide, and Ru(Ⅲ) oxide. It was also found

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CHEN, ZIH-JYUN, and 陳姿均. "Synthesis of Active Anode Based on Carbon Nanotube and Its Application on Electrochemical Oxidation." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/73927518315509286707.

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碩士<br>東海大學<br>環境科學與工程學系<br>104<br>Advanced oxidation processes (AOPs) have been broadly defined as oxidation processes involving intermediate generation of the hydroxyl radical. Electrooxidation is one of AOPs, and has been found useful in the treatment of non-biodegradable compounds. The advantages of this technology were that auxiliary chemicals are not necessary, lower operational risk and fast reaction rates. However, the cost and efficiency of EAOPs depended on current efficiency and the material of electrodes. Thus, anodes with high stability and performance are essential in oxidation

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詹駿卿. "Study of Ni-SDC anode for direct oxidation of methane in a solid-oxide fuel cell." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/11003249343064211888.

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Cuglietta, Mark. "The Fabrication of Direct Oxidation Solid Oxide Fuel Cell Anodes Using Atmospheric Plasma Spraying." Thesis, 2013. http://hdl.handle.net/1807/43496.

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Solid oxide fuel cells (SOFCs) that operate directly on hydrocarbon fuels eliminate the requirement for costly and complex external reforming systems. Atmospheric plasma spraying (APS) is an established manufacturing method that offers the potential to fabricate direct oxidation SOFC anodes in a single step, instead of the multiple steps currently required. Manufacturing by APS also allows the use of metal supports, which improve thermal shock resistance, allow rapid cell heat-up, and reduce total cost. In this study, direct oxidation SOFC anodes based on Cu and samaria-doped ceria (SDC) in co

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Madian, Mahmoud. "Fabrication and characterization of highly-ordered TiO2-CoO, CNTs@TiO2-CoO and TiO2-SnO2 nanotubes as novel anode materials in lithium ion batteries." Doctoral thesis, 2017. https://tud.qucosa.de/id/qucosa%3A30759.

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Developed rechargeable batteries are urgently required to make more efficient use of renewable energy sources to support our modern way of life. Among all battery types, lithium batteries have attracted the most attention because of the high energy density (both gravimetric and volumetric), long cycle life, reasonable production cost and the ease of manufacturing flexible designs. Indeed, electrode material characteristics need to be improved urgently to fulfil the requirements for high performance lithium ion batteries. TiO2-based anodes are highly promising materials for LIBs to replace carb

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Fernandes, Joana Cristina Taveira. "Water treatment with boron-doped diamond electrodes – A review on by-products formation." Master's thesis, 2021. http://hdl.handle.net/10362/118283.

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The formation and identification of by-products is crucial for understanding the possible environmental and public health risks of applying electrochemical advanced oxidation processes (EAOPs) in water treatment, involving boron-doped diamond (BDD) anodes. Despite the substantial research work concerning the use of BDD technology in water treatment review articles with a specific focus on by-products formation and their hazardous effects in the major environmental fields of application in water treatment are not available. This comprehensive review provides the current knowledge on

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Yao, Weifang. "Hydrogen and Carbon Monoixde Electrochemical Oxidation Reaction Kinetics on Solid Oxide Fuel Cell Anodes." Thesis, 2013. http://hdl.handle.net/10012/7772.

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Solid oxide fuel cells (SOFCs) are promising power generation devices due to its high efficiency and low pollutant emissions. SOFCs operate with a wide range of fuels from hydrogen (H2) to hydrocarbons, and are mainly intended for stationary power generation. Compared to combustion systems, SOFCs have significantly lower environmental impacts. However, the full scale commercialization of SOFCs is impeded by high cost and problems associated with long-term performance and durability. The cell performance can be affected by various internal losses, involving cathode, anode and electrolyte. Anodi

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Chung-Liang, Chen, and 陳政良. "Trends of Hydrogen Oxidation Reaction on Metal Anodes in SOFC application: A joint experimental and computational study." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/37931540847542866023.

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碩士<br>國立臺灣師範大學<br>化學系<br>100<br>The anodic reaction for hydrogen fuel (hydrogen oxidation reaction, HOR) for solid oxide fuel cell (SOFC) system has been experimentally and computationally investigated on the 3d (Co, Ni, Cu), 4d (Rh, Pd, Ag) and 5d (Ir, Pt, Au) transition metals. Experimentally, the electrolyte-supported SOFCs with anodes of Co/YSZ, Ni/YSZ, Cu/YSZ, Pd/YSZ, Ag/YSZ, Ir/YSZ, Pt/YSZ and Au/YSZ have been systematically fabricated by screen printing method. The fabricated fuel cells have been initially characterized from XRD, SEM and EDX to examine their chemical compositions and mi

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Kirton, Kerry. "An Investigation of the Use of Hybrid Suspension-solution Feedstock to Fabricate Direct-oxidation Nickel-Based Anodes (BaO-Ni-YSZ, CeO2-Ni-YSZ, Sn-Ni-YSZ) by Plasma Spraying." Thesis, 2012. http://hdl.handle.net/1807/33272.

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The reduction of manufacturing costs and the facilitation of direct-oxidation of hydrocarbon fuels have been identified as means of promoting the commercialization of the solid oxide fuel cell, a technology that offers both environmental and fuel conservation benefits compared to conventional energy conversion technologies. This research was conducted with the aim of realizing the production of direct-oxidation anodes using atmospheric plasma spraying, which has been identified as a fabrication technique that has the potential to reduce the manufacturing costs of solid oxide fuel cells. This

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