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Relevant bibliographies by topics / Chemistry, Organic. Electrolysis / Dissertations / Theses

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Dissertations / Theses on the topic 'Chemistry, Organic. Electrolysis'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Consult the top 15 dissertations / theses for your research on the topic 'Chemistry, Organic. Electrolysis.'

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1

Batchelor-McAuley, Christopher. "Multi-electron transfer to and from organic molecules." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:14f0d2d6-da21-4041-9a5a-e0186fb36239.

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Herein, the influence of protonation and adsorption upon the redox and electrocatalysis of quinone species - specifically anthraquinone derivatives – is investigated. Through the comparison of the measured rate constants of one-electron reductions of a family of quinones in acetonitrile at both graphite and gold electrodes, it was confirmed that the redox potential indirectly influences the rate of electron transfer in a manner consistent with the potential-dependence of the density of states. In aqueous media, the voltammetric response of both anthraquione-2-sulfonate (AQMS) and anthraquinone

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2

Kelly, Michael Jon. "Hybrid ferrocene-based systems." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:fd46594d-98d6-4f8a-a6ab-eb5ee74ba7f3.

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This thesis explores the capacity of sterically and electronically unsaturated boranes to bind substrates of biological and environmental interest, and transduce such binding events into a photo-physical and/or electrochemical response, hence reporting the presence of these substrates. Chapter three details the synthesis of a range of novel ferrocenyl boranes featuring either a proximal hydrogen-bond donor or a second Lewis acidic centre. These novel boranes were shown to be competent at binding both cyanide and fluoride anions, with the role played by a proximal hydrogen-bond donor or a secon

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3

Binding, Samantha Carys. "Synthesis and characterisation of permethylpentalene complexes and permethylpentalene derivatives." Thesis, University of Oxford, 2015. http://ora.ox.ac.uk/objects/uuid:7855e90d-7ce9-42eb-b962-b68606ade746.

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This thesis expands the scope for using the permethylpentalene ligand and its precursors in the synthesis of organometallic complexes. <strong>Chapter one</strong> begins with a brief review of linked metallocenes, with which multimetallic compounds bridged by pentalene ligands have often been compared, followed by a comprehensive review of the routes used to make pentalenes and substituted pentalenes. Organometallic compounds of pentalenes are introduced, with a focus on bimetallic systems. <strong>Chapter two</strong> explores the diversification of substituents added to the permethylpentale

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4

Sarmouk, Khiredine. "Graft copolymers and polymer electrolytes based on polyethers." Thesis, University of Aberdeen, 1990. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602307.

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This thesis is concerned with the preparation, characterisation and applications of butyl rubber (BR) with poly(tetrahydrofuran) (PTHF) and polymer electrolytes based on polyethers. The first part of this thesis is concerned with the preparation of rubber-PTHF graft copolymers by a cationic "grafting-from" reaction initiated by silver perchlorate at allylic bromine sites on the rubber. In order to optimise the content of grafted PTHF a series of experiments was carried out, in which reaction variables such as reaction temperature and time, and ratio of silver salt to active Br, were changed sy

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5

Kirkaldy, Niall. "Exploring organic, redox-active materials for electrolytic hydrogen production and electrochemical energy storage." Thesis, University of Glasgow, 2018. http://theses.gla.ac.uk/30842/.

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Proton exchange membrane electrolysers (PEMEs) constitute the state-of-the-art in electrolytic water splitting, capable of producing H2 at high current density and efficiency. However, when operating at low current or under increased pressure, H2 and O2 can cross through the membrane which separates the electrodes, creating a potentially explosive gas mixture and reducing the efficiency. Electron-coupled proton buffers (ECPBs) provide a solution to the issues of gas crossover in electrolytic water splitting, by breaking up the oxygen and hydrogen evolution reactions (OER and HER) into two sepa

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6

Campion, Christopher Lawrence. "An analysis of the thermal decomposition reactions of organic electrolytes used in lithium-ion batteries /." View online ; access limited to URI, 2005. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3186896.

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7

Singh, Kulveer. "Structure-function studies of the oxidoreductase bilirubin oxidase from Myrothecium verrucaria using an electrochemical quartz crystal microbalance with dissipation." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:0376cc7e-f572-4e0c-96f0-43b0b4b91d99.

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This thesis presents the development and redesign of a commercial electrochemical quartz crystal microbalance with dissipation (E–QCM–D). This was used to study factors affecting the efficiency of the four electron reduction catalysed by the fuel cell enzyme bilirubin oxidase from Myrothecium verrucaria immobilised on thiol modified gold surfaces. Within this thesis, the E–QCM–D was used to show that application of a constant potential to bilirubin oxidase adsorbed to thiol-modified gold surfaces causes activity loss that can be attributed to a change in structural arrangement. Varying the loa

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8

Alshahrani, Rasha. "Liquid Organic Electrolytes: Blends of Low Molecular Weight Methoxyoligooxyethylene (MPEGs)/LiTFSI Salt." DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 2017. http://digitalcommons.auctr.edu/cauetds/111.

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Blends containing methoxyoligooxyethyleneglycol (MPEGs) (MW 350 and 550) and bis(trifluoromethane)sulfonimide lithium (LiTFSI) salt were prepared by solution blending process using tetrahydrofuran (THF) as a solvent. The ionic conductivity of the blends of different compositions were determined at four temperatures i.e. 25°C, 40°C, 60°C and 70°C. A maximum ionic conductivity value of 3.9x10-3 S cm-1 at 25°C was obtained for the blends containing MPEG-350 at an ethylene oxide to lithium salt ratio of 1:10. The ionic conductivity increases with increasing temperature and shows that the ion trans

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9

Bamford, David. "The local free volume and its correlation with the structural, chemical and dynamic properties of branched polymers, polymer electrolytes, highly oriented polyethylene fibres and other polymers." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251091.

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10

Huang, Junhua 1973. "A study of plastic crystals as novel solid state electrolytes." Monash University, School of Chemistry, 2003. http://arrow.monash.edu.au/hdl/1959.1/5522.

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11

Nunes, de Oliveira Heitor Fernando [Verfasser], Roberto [Akademischer Betreuer] Rinaldi, and Martin [Akademischer Betreuer] Muhler. "Organic solutions of ionic liquids and aqueous solutions of electrolytes as solvents for cellulose chemistry / Heitor Fernando Nunes de Oliveira. Gutachter: Roberto Rinaldi ; Martin Muhler." Bochum : Ruhr-Universität Bochum, 2016. http://d-nb.info/1095884328/34.

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12

Siqueira, Leonardo José Amaral de. "Dinâmica molecular de eletrólitos poliméricos." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/46/46132/tde-19092017-180510/.

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Simulação de Dinâmica Molecular (MD) foi utilizada para se explorar propriedades estruturais e dinâmicas de eletrólitos poliméricos, poli(oxietileno), PEO, PEO-LiClO4 em três concentrações de sal e em duas temperaturas (373 e 500 K), visando contribuir para o entendimento do mecanismo pelo qual os íons são transportados na matriz polimérica. Nas simulações MD foi utilizado um modelo de átomos unidos para o PEO. O modelo do PEO (32 cadeias de PEO com peso molecular de 1175) foi validado pela comparação do fator de estrutura estático, S(k), calculado com o obtido por espectroscopia de espalhamen

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13

Assis, Lucas Marinho Nobrega de. "Dispositivos eletrocrômicos com azul da Prússia e eletrólitos sólidos poliméricos." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/75/75134/tde-09082016-143409/.

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Este trabalho apresenta os resultados do preparo e caracterização de dispositivos eletrocrômicos (ECD - electrochromic devices) contendo filmes finos de azul da Prússia (PB) como camada eletrocrômica, CeO2-TiO2 como contra-eletrodo e eletrólitos à base de polímeros contendo glicerol, formaldeído e γ-butirolactona. Os filmes finos de azul da Prússia foram preparados pelo método de eletrodeposição galvanostática e usados para montagem de dispositivos eletrocrômicos com eletrólitos de composição polimérica variada. Os filmes finos foram caracterizados através de medidas de densidade de carg

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14

Singh, Thokchom Joykumar. "Investigations Of Poly(Ethylene Glycol)- Based Solid Polymer And Nanocomposite Electrolytes." Thesis, 2004. http://etd.iisc.ernet.in/handle/2005/1323.

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15

Behera, Girish Chandra. "Optimization Of The Melt-Transetherification Polycondensation Route To Polyethers And Its Utilization For The Study Of Hyperbranched Polymers." Thesis, 2005. http://etd.iisc.ernet.in/handle/2005/1513.

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