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Дисертації з теми "Titanium anodes"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Ki, Jun-Wan. "Titanium Sponge on Titanium Substrate for Titanium Electrolytic Capacitor Anodes." Case Western Reserve University School of Graduate Studies / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=case1113244951.

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2

Ovalle, Alejandro. "Manganese titanium perovskites as anodes for solid oxide fuel cells." Thesis, St Andrews, 2008. http://hdl.handle.net/10023/567.

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3

Ehret, Steven J. "Instrumentation for anodization and in-situ testing of titanium alloys for capacitor anodes." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1311612394.

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4

Linnemann, J., J. Giorgio, K. Wagner, G. Mathieson, G. G. Wallace, and D. L. Officer. "A simple one step process for enhancement of titanium foil dye sensitised solar cell anodes." Royal Society of Chemistry, 2015. https://tud.qucosa.de/id/qucosa%3A36240.

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Анотація:

The photo-conversion efficiency and stability of back-illuminated dye sensitised solar cells with titanium foil based photoanodes are enhanced by a simple nitric acid treatment through which the foil is passivated. This treatment changes the morphology of the titanium foil and increases its electrochemical double layer capacitance.

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5

Modarres, Mohammad Hadi. "Reduced graphene oxide nanoparticle hybrids and their assembly for lithium-ion battery anodes." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/277144.

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Lithium-ion batteries (LIBs) are an integral part of consumer electronic devices and electric vehicles. There is a growing need for LIBs with higher capacity, rate performance and cycling stability. At the anode electrode these challenges are being addressed for instance by utilising materials with higher theoretical capacity compared to graphite (372 mAh/g) or by optimising the morphology of materials through nanostructuring of the electrode. In this thesis the former is investigated by synthesising a reduced graphene oxide (rGO) tin sulphide (SnS2) hybrid, and the latter by self-assembly of

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6

Wang, Yuan. "Improving the volumetric capacity of TiO₂ nanomaterials used as anodes in lithium-ion batteries." Thesis, University of St Andrews, 2015. http://hdl.handle.net/10023/6432.

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The experimental data presented in this thesis demonstrates the preparation and characterization of TiO₂ polymorphs (anatase and TiO₂-(B)) in the form of nanomaterials. The reduced dimension of the nanomaterials amplifies the properties compared to the bulk TiO₂; however, this is often at the cost of the tapped density. The anatase nanomaterials with pseudo-spherical nanoparticles of 5 to 70 nm in size were synthesized and their volumetric capacities compared. Both the gravimetric and volumetric capacity is higher for nanoparticles of less than 10 nm in diameter. The volumetric capacity is als

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7

Molchan, Tatsiana. "Generation of porous and nanotubular anodic films on titanium and titanium-aluminium alloy." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/generation-of-porous-and-nanotubular-anodic-films-on-titanium-and-titaniumaluminium-alloy(d20970de-6692-48e6-b5f6-3456bcec5e3e).html.

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This project was focused on the generation of porous and nanotubular anodic films on titanium and Ti-6wt.%Al alloy, and investigation of the key factors responsible for a transition between porous and nanotubular morphologies. Advanced analytical techniques were employed for characterisation of the anodic films, in particular scanning and transmission electron microscopies, including analytical transmission electron microscopy, Raman spectroscopy, nuclear reaction analysis, Rutherford backscattering spectroscopy and atomic force microscopy. Preparation of electron transparent sections for anal

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8

Abdullah, Hasan Zuhudi Materials Science &amp Engineering Faculty of Science UNSW. "Titanium surface modification by oxidation for biomedical application." Awarded By:University of New South Wales. Materials Science & Engineering, 2010. http://handle.unsw.edu.au/1959.4/44718.

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Surface modification is a process that is applied to the surfaces of titanium substrates in order to improve the biocompatibility after implanting in the body. Two methods were used in the present work: Anodisation and gel oxidation. Anodisation was performed at room temperature in strong mineral acids (sulphuric acid (H2SO4) and phosphoric acid (H3PO4)), an oxidising agent (hydrogen peroxide (H2O2)), mixed solutions of the preceding three, and a weak organic acid mixture (β-glycerophosphate + calcium acetate). The parameters used in anodisation were: Concentrations of the electrolytes, a

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9

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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10

Blackwood, D. J. "Anodic oxide films on titanium in acidic media." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374565.

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11

Hyde, Robert H. "Hollow-electrode pulsed plasma deposition of titanium and carbon thin films." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001856.

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12

Liu, Zuojia. "Surface treatment of titanium and its alloys for adhesion promotion." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/surface-treatment-of-titanium-and-its-alloys-for-adhesion-promotion(8a8e20d4-9cb2-439d-9d99-3b8d92b66393).html.

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The anodic films formed on CP-Ti in sulphuric and phosphoric acids using potentiodynamic polarization and potentiostatic anodizing were investigated. Single-barrier anodic films were created in sulphuric and phosphoric acids from 10 to 60 V. Oxygen evolution was initiated within both stages, leading to the suppression of current efficiency for the growth of anodic films. The crystalline phases assisted gas bubbles to develop within the film, resulting in the formation of the blister textures. The rupture of the anodic film was found from anodizing at 20 V in the sulphuric acid but occurred at

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13

Macák, Jan. "Growth of anodic self-organized titanium dioxide nanotube layers." kostenfrei, 2008. http://deposit.d-nb.de/cgi-bin/dokserv?idn=989229300.

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14

Buthelezi, Motlalepula Isaac. "Synthesis and properties of nanoparticulate titanium dioxide compounds." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_9038_1298632656.

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<p>An electrolytic cell was designed and constructed for the preparation of TiO2 nanotubes. Conditions of anodic oxidation were established to reproducibly prepare TiO2 nanotubes of average length 35-50 &mu<br>m vertically orientated relative to the plain of a pure titanium metal sheet. A non-aqueous solution of ethylene glycol containing small percentage of ammonium fluoride was used as the electrolyte with an applied voltage of 60 V. The morphology and dimensions of the nanotube arrays were studied by scanning (SEM) and transmission (TEM) electron microscopy. The effect of calcination under

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15

Chung, Min Kyong. "STUDY OF ANODIC OXIDE FILMS ON TITANIUM AND TITANIUM-ZIRCONIUM ALLOYS AND THEIR POTENTIAL FOR CAPACITIVE ENERGY STORAGE." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1441383577.

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16

Hu, Nan. "Surface modification and strengthening of titanium through application of anodic titanium dioxide nanotubes layers and use of high pressure torsion." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/403061/.

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Titanium and its alloys are widely used for fabricating biomedical implants, such as cardiovascular and hard tissue replacement devices, because of their superior mechanical properties, corrosion resistance and biocompatibility. However, the bulk and surface properties of Ti implants should be further improved to serve in the human body safely and reliably. In this study, bulk properties of Ti will be further improved through severe plastic deformation (SPD), which is a strengthening technique through grain refinement without introducing hazardous alloying elements. On the other hand, surface

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17

Zhou, Sa. "Nanonet-Based Materials for Advanced Energy Storage." Thesis, Boston College, 2012. http://hdl.handle.net/2345/3739.

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Thesis advisor: Dunwei Wang<br>When their electrodes are made of nanomaterials or materials with nanoscale features, devices for energy conversion and energy storage often exhibit new and improved properties. One of the main challenges in material science, however, is to synthesize these nanomaterials with designed functionality in a predictable way. This thesis presents our successes in synthesizing TiSi₂ nanostructures with various complexities using a chemical vapor deposition (CVD) method. Attention has been given to understanding the chemistry guiding the growth. The governing factor was

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18

Kyeremateng, Nana Amponsah. "Advanced materials based on titania nanotubes for the fabrication of high performance 3D li-ion microbatteries." Thesis, Aix-Marseille, 2012. http://www.theses.fr/2012AIXM4772/document.

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Le développement des dispositifs microélectroniques a dopé la recherche dans le domaine des microbatteries tout solide rechargeables. Mais actuellement, les performances de ces microbatteries élaborées par des technologies couche mince (2D) sont limitées et le passage à une géométrie 3D adoptant le concept “Li-ion” ou“rocking chair” est incontournable. Cette dernière condition implique de combiner des matériaux de cathode comme LiCoO2, LiMn2O4 or LiFePO4 avec des anodes pouvant réagir de manière réversible avec les ions lithium. Parmi tous les matériaux pouvant servir potentiellement d'anode,

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19

Yue, Junpei [Verfasser]. "Titanium-based anode materials for lithium ion batteries: crystallite size, porous structure and doping effects / Junpei Yue." Gießen : Universitätsbibliothek, 2016. http://d-nb.info/1111425914/34.

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20

Zhu, Xiaolong. "Nano hydroxyapatite collagen, nano hydroxyapatite and anodic oxides on titanium preparation, characterization and biological responses /." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=97407215X.

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21

Cridling, Quentin. "Influence of the substrate surface on optical properties and color of anodized titanium." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEM015.

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L’étude et le développement des matériaux goniochromes reste un challenge aussi bien pour la recherche scientifique que pour l’industrie. Dans le domaine industriel, le contrôle qualité de la couleur est rendu difficile par les effets colorés de ces matériaux. Le développement d’un étalon de matériaux goniochromes avec des effets colorés référencés pourrait permettre de simplifier ce control qualité de la couleur. Le challenge pour la recherche scientifique consiste à être capable de contrôler l’évolution de la couleur avec les conditions d’illumination et d’observation et de définir les géomé

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22

Pahwa, Saksham. "Titanium dioxide/ silicon oxycarbide hybrid polymer derived ceramic as high energy & power lithium ion battery anode material." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/20593.

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Master of Science<br>Mechanical and Nuclear Engineering<br>Kevin B. Lease<br>Gurpreet Singh<br>Energy has always been one of the most important factors in any type of human or industrial endeavor. Clean energy and alternative energy sources are slowly but steadily replacing fossil fuels, the over-dependence on which have led to many environmental and economic troubles over the past century. The main challenge that needs to be addressed in switching to clean energy is storing it for use in the electrical grid and transportation systems. Lithium ion batteries are currently one of the most promi

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23

Carobolante, João Pedro Aquiles [UNESP]. "Modificação da superfície da liga experimental Ti10Mo8Nb empregando oxidação anódica: estudos in vitro." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/150122.

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Submitted by João Pedro Aquiles Carobolante null (pedroacarobolante@gmail.com) on 2017-04-03T20:14:27Z No. of bitstreams: 1 Carobolante, J. P. A. - Dissertação.pdf: 4630427 bytes, checksum: a120cbf02bdf37df43d8f9878ea6e209 (MD5)<br>Approved for entry into archive by Luiz Galeffi (luizgaleffi@gmail.com) on 2017-04-11T20:41:33Z (GMT) No. of bitstreams: 1 carobolante_jpa_me_guara.pdf: 4630427 bytes, checksum: a120cbf02bdf37df43d8f9878ea6e209 (MD5)<br>Made available in DSpace on 2017-04-11T20:41:33Z (GMT). No. of bitstreams: 1 carobolante_jpa_me_guara.pdf: 4630427 bytes, checksum: a120cbf02bdf

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24

Valota, Anna Tiziana. "Anodic Titaniumn Oxide : from Metal Surface Preparation to self-ordered growth of Nanotubes." Thesis, University of Manchester, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.511933.

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25

Chen, Bo. "Growth of anodic alumina nanopores and titania nanotubes and their applications." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/49599.

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Anodic aluminum oxide (AAO) nanopores are excellent templates to fabricate different nanostructures. However, the pores are limited to a hexagonal arrangement with a domain size of a few micrometers. In this dissertation, focused ion beam (FIB) is used to create pre-patterned concaves to guide the anodization. Due to the advantage of FIB lithography, highly ordered AAO arrays with different arrangements, alternating diameters, and periodic pore densities are successfully achieved. Anodization window to fabricate ordered AAO is enlarged due to the FIB pre-pattern guidance. AAO has also been su

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26

Poláková, Kateřina. "Studium chování buněk na nanostrukturovaných TiO2 površích." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-242098.

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This thesis deals with the study of cells on nanostructured surfaces of titanium dioxide, which are produced by the electrochemical method called anodic oxidation. The theoretical part is formed by an overview of manufacturing nanostructured surfaces using anodic oxidation method. It mentions the influence of external factors on the geometric parameters of the structure and description of methods of characterization structures. Furthermore there is processed outline of use for biomedical application and the description of interaction of the cell with surface. The practical part includes descri

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27

Fais, Laiza Maria Grassi. "Topografia superficial e aderência de Streptococcus mutans no titânio após imersão e escovação com dentifrícios fluoretado e não-fluoretado simulando 10 anos de uso /." Araraquara : [s.n.], 2011. http://hdl.handle.net/11449/105492.

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Orientador: Gelson Luis Adabo<br>Banca: Luis Geraldo Vaz<br>Banca: Ligia Antunes Pereira Pinelli<br>Banca: Ricardo Faria Ribeiro<br>Banca: Sicknan Soares da Rocha<br>Resumo: Este estudo teve por objetivo avaliar a topografia e a aderência de Streptococcus mutans na superfície do titânio após procedimentos que simularam 10 anos de uso de dentifrícios fluoretado e não-fluoretado. Corpos-de-prova na forma de discos (6 mm Ø X 4 mm) de Ti-6Al-4V (Grupo L, N = 36) e de titânio comercialmente puro (Ti cp, Grupo T, N = 36) foram polidos metalograficamente e subdivididos em seis subgrupos (n=6) de acor

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28

MANCINI, Marilena. "Improved anodic materials for lithium-ion batteries: surface modification by metal deposition and electrochemical characterization of oxidized graphite and titanium dioxide electrodes." Doctoral thesis, Università degli Studi di Camerino, 2009. http://hdl.handle.net/11581/401752.

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The research work presented in this thesis has been carried out during my Ph.D. study at the Chemistry Department of Camerino University (Italy) and at the ''Centre for Solar Energy and Hydrogen Research Baden-Wa'¼rttemberg'' (ZSW) in Ulm, (Germany). [...] The thesis deals with the evaluation of the electrochemical performances of metal-modified anodes for lithium-ion batteries. The results obtained by using either partially oxidized graphite or TiO2 anatase as active materials for anode fabrication are presented. The obtained results have been the subject of the following scientific publicati

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29

Domingues, Danielle Duque. "Incorporação de óxido de ferro em superfície nanoporosa de TiO2 crescida sobre a liga Ti10Mo8Nb visando aplicação biomédica /." Guaratinguetá, 2019. http://hdl.handle.net/11449/183567.

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Orientador: Miguel Angel Ramirez Gil<br>Resumo: O titânio e as suas ligas são utilizados em aplicações biomédicas devido às suas excelentes propriedades, tais como resistência mecânica e biocompatibilidade. As técnicas de modificação de superfície são utilizadas nestas ligas para alterar as propriedades de superfície, aumentar a osseointegração e evitar falhas em implantes. Além destas técnicas, a incorporação de nanopartículas na superfície do implante têm sido grande aliada dos biomateriais, em especial às do óxido de ferro, devido às suas propriedades físico-químicas, sua biocompatibilidade

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30

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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31

Barraco, Giovanni. "Sviluppo e caratterizzazione microstrutturale e tribologica di rivestimenti su lega di titanio per applicazioni biomedicali." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9302/.

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Oggetto dello studio è stato lo sviluppo di rivestimenti con tecnica PEO (Plasma Electrolityc Ossidation) sulla lega di titanio Ti-6Al-4V, al fine di utilizzare questo materiale in sostituzione della lega CrCoMo nelle protesi d'anca e di ginocchio. Queste, ad oggi, sono le protesi articolari più diffuse e devono garantire contemporaneamente elevate prestazioni meccaniche (in particolare resistenza ad usura), affidabilità e biocompatibilità. La lega CrCoMo negli anni si è affermata nel campo protesico poiché è un materiale metallico avente elevata rigidezza abbinata a una buona resistenza a cor

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32

天, 張., and Tian Zhang. "Development of amorphous RuO2-Ta2O5/Ti anode for oxygen evolution in electrowinning." Thesis, https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB12928872/?lang=0, 2015. https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB12928872/?lang=0.

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The decrease in thermal decomposition temperature led to the amorphization of RuO2, and nano RuO2 particles were uniformly dispersed in amorphous Ta2O5 matrix. Such nano particles induced the increase in effective surface area for oxygen evolution and change in rate determining step, resulting in a significant decrease in oxygen overpotential. This excellent achievement induced a significant decrease in cell voltage of 0.7 V compared to lead alloy anodes and a voltage reduction of 37 % was achieved for copper electrowinning. Another distinct feature of the amorphous anodes is that nano RuO2 pa

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33

Fais, Laiza Maria Grassi [UNESP]. "Topografia superficial e aderência de Streptococcus mutans no titânio após imersão e escovação com dentifrícios fluoretado e não-fluoretado simulando 10 anos de uso." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/105492.

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Made available in DSpace on 2014-06-11T19:35:01Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-07-22Bitstream added on 2014-06-13T19:05:06Z : No. of bitstreams: 1 fais_lmg_dr_arafo.pdf: 1320806 bytes, checksum: dfb8b01ffa71b9d2ee3c8270fcb414b5 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Este estudo teve por objetivo avaliar a topografia e a aderência de Streptococcus mutans na superfície do titânio após procedimentos que simularam 10 anos de uso de dentifrícios fluoretado e não-fluoretado. Corpos-de-prova na forma de discos (6 mm Ø X 4 mm) de Ti-6A

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34

Nguyen, Phuong Khanh Quoc. "Cyclic Voltammetric and Square Wave Anodic Stripping Voltammetric Analysis of Lead and Cadmium Utilizing the Novel Titanium Dioxide/ Zirconium Dioxide/ Tween 80 Carbon Paste Composite Electrode." Wright State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=wright1386851133.

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35

Tiwari, Rajesh Kumar. "The Thermal Stability of Anodic Oxide Coatings - Strength and Durability of Adhesively Bonded Ti-6Al-4V Alloy." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/28528.

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The lap shear strength of chromic acid anodized, primed, Ti-6Al-4V alloy bonded with a high performance FM-5 polyimide adhesive has been investigated as a function of thermal treatment for selected times at various temperatures in air. The research findings indicate that the lap shear strength decreases with the increase in duration of the thermal treatment at constant temperature and with the increase in temperature at constant time. The bond fails increasingly in the oxide coating with increasing treatment temperature and time of treatment. Surface analysis results for debonded specimens

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36

Simpson, Zachary Ian. "Advanced Materials for Energy Conversion and Storage: Low-Temperature, Solid-State Conversion Reactions of Cuprous Sulfide and the Stabilization and Application of Titanium Disilicide as a Lithium-Ion Battery Anode Material." Thesis, Boston College, 2013. http://hdl.handle.net/2345/3042.

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Thesis advisor: Dunwei Wang<br>In this work, we present our findings regarding the low-temperature, solid-state conversion of Cu₂S nanowires to Cu₂S/Cu₅FeS₄ rod-in-tube structures, Cu₂S/ZnS segmented nanowires, and a full conversion of Cu₂S nanowires to ZnS nanowires. These conversion reactions occur at temperatures as low as 105 degrees Celsius, a much lower temperature than those required for reported solid-state reactions. The key feature of the Cu₂S nanowires that enables such low conversion temperatures is the high ionic diffusivity of the Cu⁺ within a stable S sublattice. The second port

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37

Starykevich, Maksim. "Electrosynthesis of 1-D metallic nanoparticles from DES using porous anodic templates." Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/21694.

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Doutoramento em Ciência e Engenharia de Materiais<br>O método de síntese de nanoparticulas 1-D assistido por um modelo tornou-se um tópico em voga na química após o desenvolvimento de filmes anódicos com poros bem ordenados. Contudo, a maioria dos trabalhos nesta área tem sido feita utilizando filmes porosos destacados devido à presença de uma barreira no fundo dos poros. No entanto, esta estratégia segue demasiados passos, o que aumenta o seu custo, torna mais difícil a execução e impõe várias limitações. Consequentemente, existe a necessidade de uma técnica que permita o enchimento (electrof

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38

Kawakami, Kenji. "Avaliação dos filmes oxidos crescidos anodicamente na liga Ti-6Al-7Nb, pela tecnica de impedancia eletroquimica, para aplicação como biomaterial." [s.n.], 1996. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263532.

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Orientador: Margarita Ballester F. Santos<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-07-22T11:08:57Z (GMT). No. of bitstreams: 1 Kawakami_Kenji_D.pdf: 19175620 bytes, checksum: b6a661ea70e2abc1018ffcac8a295caa (MD5) Previous issue date: 1996<br>Resumo: Não informado<br>Abstract: In this work is developped a procedure for evaluation of oxides films properties. Through Electrochemical Impedance Spectroscopy, by obtaining from Bode diagrams a capacitance and dissipation coefficient. It is proposed a mathematical

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39

Reichert, Judith. "„Charakterisierung eines Nukleinsäure-basierten Immobilisierungssystems zum Biosurface-Engineering“." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-115422.

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Im Rahmen dieser Arbeit wurde ein modulares Nukleinsäure-basiertes System zur Immobilisierung von verschiedenen bioaktiven Molekülen untersucht. Zur Verankerung nutzt das System komplementäre Nukleinsäurestränge. Einer der beiden Stränge wird durch anodische Polarisation partiell in die anodische Oxidschicht eingebaut, an den komplementären Strang wird das biologische Molekül konjugiert. Der Vorteil des hier weiter entwickelten Immobilisierungssystems bildet dessen Vielseitigkeit. Es kann auf alle titanbasierenden Implantate übertragen werden und dadurch, dass ein universelles Verankerungssyst

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40

Gonsalves, Silvio Henrique. "ESTUDO DE PROPRIEDADES TRIBO-MECÂNICAS DE SUPERFÍCIES DE TITÂNIO MODIFICADAS POR MÉTODOS FÍSICOS E QUÍMICOS." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2014. http://tede2.uepg.br/jspui/handle/prefix/919.

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Made available in DSpace on 2017-07-21T19:26:09Z (GMT). No. of bitstreams: 1 Silvio Henrique Gonsalves.pdf: 4373254 bytes, checksum: f02417e8e185f6b65f2673e04f0855f0 (MD5) Previous issue date: 2014-04-03<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Bioactive layers produced on titanium to induce osseointegration may not be mechanically stable and/or attend to the requirement for the bone-matching elastic modulus. The previous surface modification by ion nitriding can eventually improve adhesion and mechanical properties of such bioactive coatings. Titanium samples were D

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41

Смирнова, Олександра Юріївна. "Удосконалення технології формування оксидних шарів на сплаві титану ОТ4–0". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21923.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.17.03 – технічна електрохімія. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2016 р. Дисертація присвячена удосконаленню технології оксидування сплаву титану ОТ4–0 для створення матеріалів з протикорозійними та каталітичними властивостями. Обґрунтовано склад електролітів і експериментально визначено вплив режимів оксидування на склад, морфологію та властивості оксидних покриттів. Розроблено технологію мікродугового оксидування сплаву титану ОТ4–0 для одержання оксидних к

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Beutner, René. "Elektrochemisch gestützte Immobilisierung bioaktiver Moleküle an Titanoberflächen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-83794.

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Ein Schlüsselfeld der gegenwärtigen Biomaterialforschung ist die Modifizierung von Oberflächen mit Bestandteilen der extrazellulären Matrix (EZM) oder Molekülen, die bestimmte Funktionen nachahmen. Trotz einer Reihe positiver Ergebnisse in vitro und in vivo ist es mit den gegenwärtig zur Verfügung stehenden Immobilisierungsmethoden nicht möglich, unterschiedliche Komponenten in einem Prozessschritt zu immobilisieren, definierte Freisetzungscharakteristika für gleiche und/oder unterschiedliche Moleküle zu realisieren und die Beschichtung der Oberflächen nach Sterilisation der Implantate vorzune

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43

Смирнова, Олександра Юріївна. "Удосконалення технології формування оксидних шарів на сплаві титану ОТ4–0". Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21915.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.17.03 – технічна електрохімія. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2016 р. Дисертація присвячена удосконаленню технології оксидування сплаву титану ОТ4–0 для створення матеріалів з протикорозійними та каталітичними властивостями. Обґрунтовано склад електролітів і експериментально визначено вплив режимів оксидування на склад, морфологію та властивості оксидних покриттів. Розроблено технологію мікродугового оксидування сплаву титану ОТ4–0 для одержання оксидних к

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44

Ntunka, Mbuyu Germain. "Physical and electrochemical properties of coated titanium anodes." Thesis, 2008. http://hdl.handle.net/10539/5794.

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The service life and electrocatalytic activity of tantalum oxide/iridium oxide coated titanium plate and mesh anodes used in the electrolytic production of chromic acid were investigated by performing accelerated life tests, voltammetric and chronoamperometric measurements in chrome (VI) solutions. Experimental results showed that the service life for the coated mesh anode was 1059 hours, compared to 828 hours for the plate anode at a current density of 1.2 A cm-2. In addition, the coating failed earlier in higher chromic acid concentration. Physical analysis by SEM and EDS before and

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45

Msindo, Zvanaka Senzeni. "An investigation of the electrowinning of copper with dimensionally stable titanium anodes and conventional lead alloy anodes." Thesis, 2010. http://hdl.handle.net/10539/8729.

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The traditional anodes of choice in the electrowinning industry have been lead based anodes. However, these anodes display high energy consumption and low corrosion resistance during operation. These problems led to the investigation of other anode materials such as dimensionally stable anodes (DSAs), consisting of mixed metal oxide coatings on titanium or nickel substrates. In this study, electrochemical tests, physical characterisation techniques and electrowinning of copper from synthetic and industrial electrolytes were carried out on DSAs and lead anodes. These tests focused on stab

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46

Huang, Sheng-Fu, and 黃聖夫. "Electrochemical Impedance Study of Titanium Oxide Anodes of the Dye-Sensitized Solar Cells." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/6822h7.

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碩士<br>國立東華大學<br>材料科學與工程學系<br>102<br>We use two processes, spin-coating process and flat-flame chemical vapor deposition process, to prepare titanium oxide films as part of the electrochemical cell for the electrochemical impedance study. The cell consists of the titanium oxide film as working electrode, as well as the platinum as counter-electrode, and the electrolyte solution in between the two electrodes. By the electrochemical impedance study, we hope to answer what may cause the difference in solar cell efficiency of the dye-sensitized solar cells with anodes made of titanium oxide prepare

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47

WU, SHIH-WEI, and 吳世維. "Niobium Intercalated and Iron-Doped Titanium Oxide Nanobelts for Anodes in Dye-Sensitized Solar Cells." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/u327uf.

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48

Applestone, Danielle Salina. "Synthesis and characterization of nanocomposite alloy anodes for lithium-ion batteries." 2012. http://hdl.handle.net/2152/19566.

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Lithium-ion batteries are most commonly employed as power sources for portable electronic devices. Limited capacity, high cost, and safety problems associated with the commercially used graphite anode materials are hampering the use of lithium-ion batteries in larger-scale applications such as the electric vehicle. Nanocomposite alloys have shown promise as new anode materials because of their better safety due to higher operating potential, increased energy density, low cost, and straightforward synthesis as compared to graphite. The purpose of this dissertation is to investigate and understa

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Chaupatnaik, Anshuman. "Exploration of Ti-based Anodes for Rechargeable Alkali-ion Batteries And Hybrid-ion Capacitors." Thesis, 2021. https://etd.iisc.ac.in/handle/2005/5614.

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From 600 B.C. till 1700 A.D., electricity remained the least understood form of energy and was considered "Magical." In the 18th century A.D., the electricity that mysteriously struck Franklin as he arduously flew a kite directly into a thunderstorm was also thought to be "indwelling" inside all living beings by Galvani when he saw a dead frog's leg jolt upon scalpel touch. In this period, for the first time, electricity was bottled in its transient static (electronic) form inside a Leyden jar and in permanent (ionic) form between a "pile" of a brine-soaked copper-zinc discs, designed by a

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Hsin-YiWu and 吳信毅. "Titanium oxides as anode materials in lithium-ion batteries." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/4gs34p.

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博士<br>國立成功大學<br>材料科學及工程學系<br>104<br>TiO2(B) nanosheets exhibit a surface area of 100 m2 g-1, which is larger than those obtained by solid-state reaction. The capability of lithium-ion battery could be strongly enhanced by TiO2(B) nanosheets to yield a discharge capacity higher than 200 mAh g-1, even upon 25 cycles of 0.1 C discharge-charge operations, showing highly reversible capacity and good cycling stability with excellent capacity retention of 96% with water-based binder. The TiO2(B)/SnO2 composites show a higher reversible capacity and better durability than that of the pure TiO2(B) for

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