Готові списки джерел за темами / Cathodes hybrides

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Добірка наукової літератури з теми "Cathodes hybrides"

Автор: Grafiati

Опубліковано: 11 січня 2025

Оновлено: 31 липня 2025

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Статті в журналах з теми "Cathodes hybrides"

Dolphijn, Guillaume, Fernand Gauthy, Alexandru Vlad, and Jean-François Gohy. "High Power Cathodes from Poly(2,2,6,6-Tetramethyl-1-Piperidinyloxy Methacrylate)/Li(NixMnyCoz)O2 Hybrid Composites." Polymers 13, no. 6 (2021): 986. http://dx.doi.org/10.3390/polym13060986.

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Lithium-ion batteries are today among the most efficient devices for electrochemical energy storage. However, an improvement of their performance is required to address the challenges of modern grid management, portable technology, and electric mobility. One of the most important limitations to solve is the slow kinetics of redox reactions associated to inorganic cathodic materials, directly impacting on the charging time and the power characteristics of the cells. In sharp contrast, redox polymers such as poly(2,2,6,6-tetramethyl-1-piperidinyloxy methacrylate) (PTMA) exhibit fast redox reacti

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Huang, Kevin. "Performance of Several Excellent Oxide-Based Intercalation Cathodes for Aqueous Zn-Ion Batteries." ECS Meeting Abstracts MA2023-01, no. 5 (2023): 921. http://dx.doi.org/10.1149/ma2023-015921mtgabs.

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Aqueous Zn-ion batteries (ZIBs) have garnered significant interest in recent years due to their advantages in safety, cost, and energy density, which make them suitable for large-scale stationary energy storage. Cathode materials have been a primary research focus in the early stage of ZIBs development since they are widely deemed a limiting factor to the performance. In general, good ZIB cathode materials are found in oxides with layered and open framework structures, and inorganic/organic hybrids, and follow mechanisms of “intercalation”, “conversion” or a combination of both to store Zn2+ a

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Choudhury, Soumyadip, Marco Zeiger, Pau Massuti-Ballester, et al. "Carbon onion–sulfur hybrid cathodes for lithium–sulfur batteries." Sustainable Energy & Fuels 1, no. 1 (2017): 84–94. http://dx.doi.org/10.1039/c6se00034g.

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Wong, Min Hao, Zixuan Zhang, Xianfeng Yang, Xiaojun Chen, and Jackie Y. Ying. "One-pot in situ redox synthesis of hexacyanoferrate/conductive polymer hybrids as lithium-ion battery cathodes." Chemical Communications 51, no. 71 (2015): 13674–77. http://dx.doi.org/10.1039/c5cc04694g.

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Edwards, Sean L., Ronen Fogel, Kudzai Mtambanengwe, Chamunorwa Togo, Richard Laubscher, and Janice L. Limson. "Metallophthalocyanine/carbon nanotube hybrids: extending applications to microbial fuel cells." Journal of Porphyrins and Phthalocyanines 16, no. 07n08 (2012): 917–26. http://dx.doi.org/10.1142/s1088424612501027.

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Pioneering work by Nyokong and others have highlighted the potential benefits for improved electron transfer processes and catalysis of hybrid configurations of metallophthalocyanines with carbon nanotubes. Here we examine the practical application of such hybrid configurations in an Enterobacter cloacae microbial fuel cell. Electrochemical investigations at glassy carbon electrodes (GCEs) showed that FePc and FePc :multiwalled carbon nanotube (MWCNT) hybrid surface modifications display significant oxygen reduction reaction electrocatalytic properties compared to either MWCNT-modified or bare

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Cuentas-Gallegos, A. K., R. Vijayaraghavan, M. Lira-Cantú, N. Casañ-Pastor, and P. Gómez-Romero. "Materiales híbridos basados en fosfato de vanadilo y polímeros conductores como cátodos en baterías reversibles de litio." Boletín de la Sociedad Española de Cerámica y Vidrio 43, no. 2 (2004): 429–33. http://dx.doi.org/10.3989/cyv.2004.v43.i2.545.

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Hu, Ting, Lie Chen, Kai Yuan, and Yiwang Chen. "Amphiphilic fullerene/ZnO hybrids as cathode buffer layers to improve charge selectivity of inverted polymer solar cells." Nanoscale 7, no. 20 (2015): 9194–203. http://dx.doi.org/10.1039/c5nr01456e.

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An, Meichun, Mohammad Abdul Aziz, and Yong Lak Joo. "Hybridization of Mesoporous Carbon and Iron Oxide for Better Mitigation of Polysulfide Shuttling in Li-S Batteries." ECS Meeting Abstracts MA2022-01, no. 7 (2022): 660. http://dx.doi.org/10.1149/ma2022-017660mtgabs.

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With a higher theoretical capacity, lithium-sulfur (Li-S) batteries have been considered as promising candidates for next-generation batteries. Due to the non-conducting nature of sulfur, however, lithium-sulfur batteries tend to exhibit poor performance at a high current rate (C-rate). Here we demonstrate that Fe3O4, synthesized from precursor iron (III) acetylacetonate (AAI), and mesoporous carbon material, Ketjen Black (KB), can be synergistically combined to enhance the electrochemical performance of lithium-sulfur batteries substantially. Instead of adding commercial magnetite particles i

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Cuentas-Gallegos, A. K., M. R. Palacín, M. T. Colomer, J. R. Jurado, and P. Gómez-Romero. "Estudios de materiales de cátodos híbridos y ánodos vítreos. Caracterización en celdas de ion litio." Boletín de la Sociedad Española de Cerámica y Vidrio 41, no. 1 (2002): 115–21. http://dx.doi.org/10.3989/cyv.2002.v41.i1.708.

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Yang, Yiqun, Kayla Strong, Gaind P. Pandey, and Lamartine Meda. "Nanostructured V2O5/Nitrogen-doped Graphene Hybrids for High Rate Lithium Storage." MRS Advances 3, no. 60 (2018): 3495–500. http://dx.doi.org/10.1557/adv.2018.424.

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ABSTRACTVanadium Pentoxide (V2O5) has been identified as a potential cathode material owning to its high specific capacity, theoretically, 441 mAh g-1 for 3Li+ ions insertion/extraction. However, the intrinsic drawbacks of V2O5, i.e. structural instability and poor electronic and ionic conductivity, greatly inhibit its application as a cathode. Here, we report a cetyltrimethylammonium bromide (CTAB)-assisted hydrothermal reaction to synthesize V2O5 nanoclusters. Unique aggregated fiber structure was obtained after annealing. To achieve a porous structure and increase the conductivity, nitrogen

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Дисертації з теми "Cathodes hybrides"

Adjez, Yanis. "Stimulation of Electrocatalytic Reduction of Nitrate by Immobilized Ionic Liquids." Electronic Thesis or Diss., Sorbonne université, 2024. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2024SORUS337.pdf.

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La pollution de l'eau par les nitrates représente un défi environnemental majeur et constitue l'une des dix violations les plus courantes de la qualité de l'eau dans le monde. Ce défi offre une opportunité pour l'économie circulaire, car l'électrolyse des nitrates a été proposée comme une méthode durable pour la valorisation des effluents contaminés par les nitrates grâce à la production décentralisée et simultanée d'ammoniac (un produit chimique de base). En particulier, la réduction électrochimique des nitrates (REN) est une stratégie prometteuse et durable pour résoudre le problème critique

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Moraw, Franz Christian. "Hybrid PEM fuel cell : redox cathode approach." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/7720.

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The proton exchange membrane fuel cell (PEMFC) is considered to be a promising power device with a broad range of applications. However, there are still a number of challenges especially concerning performance, cost, and reliability of these systems. The redox flow battery utilizes fundamentally simpler chemistry, but has limitations in terms of membranes/materials used in system construction and in terms of redox regeneration requirements. The hybridization of a PEMFC anode with a redox flow battery cathode, replacing the limiting oxygen electrode, leads to both advantages and compromises in

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Osiecki, Tomasz, Colin Gerstenberger, Holger Seidlitz, Alexander Hackert, and Lothar Kroll. "Behavior of Cathodic dip Paint Coated Fiber Reinforced Polymer/Metal Hybrids." Universitätsbibliothek Chemnitz, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-175536.

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Increasing mechanical, economic and environmental requirements lead to multi material designs, wherein different classes of materials and manufacturing processes are merged to realize lightweight components with a high level of functional integration. Particularly in automotive industry the use of corresponding technologies will rise in the near future, as they can provide a significant contribution to weight reduction, energy conservation and therefore to the protection of natural resources. Especially the use of continuous fiber reinforced polymers (FRP) with thermoplastic matrices offers ad

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Gustavsson, Lars-Erik. "Hollow Cathode Deposition of Thin Films." Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis : Universitetsbiblioteket [distributör], 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-6925.

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Söderström, Daniel. "Modelling and Applications of the Hollow Cathode Plasma." Doctoral thesis, Uppsala universitet, Elektricitetslära, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8747.

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This thesis presents experimental and modelling research on atmospheric pressure hollow cathodes and hollow electrodes. Experiments with the hybrid hollow electrode activated discharge (H-HEAD), which is a combination of a hollow cathode and a microwave plasma source, is presented. The experiments show that this source is able to produce long plasma columns in air and nitrogen at atmospheric pressure and at very low gas flow rates. Measurements of the vibrational temperature of the nitrogen molecules are also presented in this thesis. The vibrational temperature is an indication of the electro

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Ezzedine, Mariam. "Fabrication of hierarchical hybrid nanostructured electrodes based on nanoparticles decorated carbon nanotubes for Li-Ion batteries." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLX105/document.

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Cette thèse est consacrée à la fabrication ascendante (bottom-up) de matériaux nanostructurés hybrides hiérarchisés à base de nanotubes de carbone alignés verticalement (VACNTs) décorés par des nanoparticules (NPs). En fonction de leur utilisation comme cathode ou anode, des nanoparticules de soufre (S) ou silicium (Si) ont été déposées. En raison de leur structure unique et de leurs propriétés électroniques, les VACNTs agissent comme une matrice de support et un excellent collecteur de courant, améliorant ainsi les voies de transport électroniques et ioniques. La nanostructuration et le conta

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Holmes, Steven. "An investigation into the practical and theoretical aspects of hybrid cathodic protection." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/12280.

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Galvanic anode technology has in recent years come to the fore as a cost-effective method of successfully mitigating the corrosion of reinforcing steel in concrete structures. Developments in the field of cathodic protection have included the introduction of a novel Hybrid anode system, which uses the same sacrificial anode to pass a short-term impressed current before being connected to the steel directly to provide a long-term galvanic current. Galvanic and hybrid technologies are often seen as less powerful solutions in the treatment of reinforcement corrosion, and the test methodologies wh

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Myalo, Zolani. "Graphenised Lithium Iron Phosphate and Lithium Manganese Silicate Hybrid Cathode Systems for Lithium-Ion Batteries." University of the Western Cape, 2017. http://hdl.handle.net/11394/6036.

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Magister Scientiae - MSc (Chemistry)<br>This research was based on the development and characterization of graphenised lithium iron phosphate-lithium manganese silicate (LiFePO4-Li2MnSiO4) hybrid cathode materials for use in Li-ion batteries. Although previous studies have mainly focused on the use of a single cathode material, recent works have shown that a combination of two or more cathode materials provides better performances compared to a single cathode material. The LiFePO4- Li2MnSiO4 hybrid cathode material is composed of LiFePO4 and Li2MnSiO4. The Li2MnSiO4 contributes its high

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El, jouad Zouhair. "Réalisation et caractérisation des cellules photovoltaïques organiques." Thesis, Angers, 2016. http://www.theses.fr/2016ANGE0022/document.

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Cette thèse s’insère dans un projet d’élaboration et de caractérisation des cellules photovoltaïques organiques classiques et inverses, plus précisément il s’agit d’améliorer les performances des cellules via des couches tampons anodiques et cathodiques originales. Nous avons commencé d’améliorer les couches tampons cathodiques avec différents donneurs d’électrons: phtalocyanine de cuivre CuPc, subphtalocyanine SubPc et dérivés de thiophène organiques. Dans le premier cas de donneur d’électrons (CuPc), nous avons mis en évidence l’effet d’une fine couche d’un composé de césium, utilisée comme

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Vickers, Simon. "Particle in cell and hybrid simulations of the Z double-post-hole convolute cathode plasma evolution and dynamics." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/17874.

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The Z-accelerator at Sandia National Laboratories (SNL), is a high-current pulsed power machine used to drive a range of high energy density physics (HEDP) experiments [1]. To achieve peak currents of >20MA, in a rise time of ~100ns, the current is split over four levels of transmission line, before being added in parallel in a double-post-hole convolute (DPHC) and delivered to the load through a single inner magnetically insulated transmission line (MITL). The electric field on the cathode electrode, >107Vm-1, drives the desorption and ionisation of neutral contaminants to form a plasma from

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Частини книг з теми "Cathodes hybrides"

Wen, Zhenhai, Suqin Ci, and Junhong Chen. "Nanocarbon-Based Hybrids as Cathode Electrocatalysts for Microbial Fuel Cells." In Nanocarbons for Advanced Energy Conversion. Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527680016.ch8.

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Murugesan, Chinnasamy, Baskar Senthilkumar, Kriti Choudhary, and Prabeer Barpanda. "Cobalt–Phosphate-Based Insertion Material as a Multifunctional Cathode for Rechargeable Hybrid Sodium–Air Batteries." In Recent Research Trends in Energy Storage Devices. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6394-2_5.

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Godefroidt, Emile, Bjorn Van Belleghem, and Tim Soetens. "Effectiveness and Throwing Power of Hybrid Anode Cathodic Protection in Chloride Contaminated Reinforced Concrete." In RILEM Bookseries. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-75507-1_18.

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Goyal, Megha, and Tapas Kumar Mandal. "Influence of Different Precipitating Agents on the Synthesis of NiMn-LDHs Based Cathode Materials for High Performance Hybrid Devices." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1971-0_28.

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Parbey, Joseph, Fehrs Adu-Gyamfi, and Michael Gyan. "Progress in Cathode Materials for Methanol Fuel Cells." In Methanol Fuel - New Developments, Perspectives and Applications [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1003869.

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Methanol fuel cells are the most viable alternative to lithium-ion batteries for portable and other applications. The performance of methanol fuel cell depends in part on the microstructure, contact at the electrode-electrolyte interface, and oxygen reduction reactions (ORR) taking place at the cathode, which requires highly efficient cathode materials. The cathode materials have a significant impact on the performance of methanol fuel cells, making their selection and development an important field of research. This review paper provides a comprehensive overview of the progress made in cathod

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Rajpurohit, Praveen, and Manaswini Behera. "Light-assisted microbial electrochemical technologies for bioelectricity generation and product recovery." In Resource Recovery from Industrial Wastewater through Microbial Electrochemical Technologies. IWA Publishing, 2024. http://dx.doi.org/10.2166/9781789063813_0061.

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With the increase in demand for the improvement of microbial electrochemical technologies (METs) for bioelectricity generation and product recovery, light-assisted METs have developed as an option. The use of light helps in the electrohydrogenesis process at the cathode. Various variants of light-assisted METs employ photosynthetic bacteria/algae, anode and photocathode assembly, and so on. Microbial fuel cells (MFCs) using photosynthetic bacteria, bioelectrodes, and hybrids of photoelectrocatalytic cells (PECs) and MFCs show superior performance compared to individual MFCs. The dye-sensitized

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Pandey, Anant P., Jitendra K. Yadav, and Ambesh Dixit. "LiFePO4 as a Cathode Material." In Advancement in Oxide Utilization for Li Rechargeable Batteries. Royal Society of Chemistry, 2025. https://doi.org/10.1039/9781837673612-00318.

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The lower toxicity, affordable synthesis, and high cyclability make LiFePO4 (LFP) a promising material that has attracted considerable interest in Li-ion batteries (LIBs). These characteristics with high theoretical capacity ∼170 mA h g−1 make it the ideal cathode material, with a possibility of ultrafast charging/discharging. The benefits of choosing LFP include its cheap cost, extended cycle life, ability to handle high charge and discharge rates, and more interestingly its higher structural stability. The chapter discusses the intriguing progress made thus far using LFP as a cathode for cle

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Litovko, Iryna, Alexey Goncharov, Andrew Dobrovolskyi, and Iryna Naiko. "The Emerging Field Trends Erosion-Free Electric Hall Thrusters Systems." In Plasma Science and Technology [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99096.

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The Hall-type accelerator with closed Hall current and open (that is unbounded by metal or dielectric) walls was proposed and considered both theoretically and experimentally. The novelty of this accelerator is the use of a virtual parallel surface of the anode and the cathode due to the principle of equipotentialization of magnetic field lines, which allows to avoid sputtering of the cathode surface and preserve the dynamics of accelerated ions. The formation of the actual traction beam should be due to the acceleration of ions with the accumulated positive bulk charge. A two-dimensional hybr

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M. Orona-Hinojos, Jesus. "Innovative Double Cathode Configuration for Hybrid ECM + EDM Blue Arc Drilling." In Drilling Technology. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97547.

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Electrical discharge machining is a machining method generally used for machining hard metals, those that would be high cost or have poor performance to machine with other techniques using, e.g., lathes, drills, or conventional machining. Therefore, also known as thermal processes like EDM, Plasma or Laser cutting can be used in drilling operations with poor metallurgical quality on cutting edge and will be necessary complement with other processes such as electrochemical machining (ECM). Both ECM and EDM processes use electrical current under direct-current (DC) voltage to electrically power

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Arif, Khizra, Abdul Shakoor, Muhammad Awais, et al. "Graphene-based Materials for Electrochemical Energy Storage Devices-EESDs; Opportunities and Future Perspective." In The 2-Dimensional World of Graphene. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815238938124010011.

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The material's exciting properties, which have substantially expanded the field of study, include its enormous surface area, outstanding electrical conductivity, extreme thinness, amazing electron kinesis, and cutting-edge mechanical control. These topographies are largely active for various energy-storage devices (EESDs) such as supercapacitors, hybrid cathode and anode materials, lithium-sulfur batteries, lithiumion batteries, lithium-oxygen batteries, and sodium-ion batteries. The scalability, stability, and uniformity of nanomaterials made of carbon are essential for the development of gra

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Тези доповідей конференцій з теми "Cathodes hybrides"

Goff, Adam, Charles Sprinkle, Ben Pinkston, Fernando Farelas, and Ariel Farelas. "Lightweight Sol-Gel Coating to Mitigate Galvanic Corrosion." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18758.

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Abstract Galvanic corrosion on aircraft around mechanical fasteners represents a significant portion of total platform maintenance costs and contributes towards reduced operational readiness. Historical approaches to controlling galvanic corrosion involve protecting the anode (e.g. usually the aluminum airframe), but minimal efforts have been made at limiting the galvanic contribution at the cathode. There is a need to improve the galvanic corrosion control tool set across these platforms, and technologies that aid in controlling the available cathodic current density are a new approach. Luna

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Schrieber, C. F., Oronzio De Nora, and J. T. Reding. "Application Methods for Rapid Polarization of Offshore Structures." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90381.

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Abstract Rapid polarization of offshore structures relies upon taking advantage of a secondary effect of cathodic protection. Through this practice, calcareous or lime salt deposits form on the steel surface from the seawater environment. A variety of studies have been performed over the years to characterize the chemistry and cathodic protection conditions which produce the most desirable deposit.1-10 This work still continues. A properly applied deposit has the principal effect of reducing the overall current demand for cathodic protection. This paper presents weight loss, current density an

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Goodwin, Fred. "Next Generation Galvanic Anodes." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07868.

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Abstract Discrete galvanic anodes are used to minimize the ring/incipient/halo anode effect in concrete repairs relying on sacrificial corrosion of a more active metal than conventional reinforcing steel to provide continued protection. The demand for this protection changes with time based on the corrosion activity of the steel requiring protection. When the concrete is repaired, the repair material creates a strongly cathodic area within the repair that accelerates corrosion in the reinforcing steel immediately adjacent to the repair area known as the ring or incipient anode or halo effect.

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Duan, Yuxi, and Colette Brogna-Nichols. "Case Study of Hybrid Onshore-Offshore CP Life Extension Retrofit for East Texas Facility." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20974.

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Abstract Dock components of an East Texas oil and gas facility required a cathodic protection retrofit, however the scour in the area precluded traditional bottom-laid anode approaches. A pre-existing impressed current cathodic protection (ICCP) system protecting onshore assets was integrated with the offshore components to protect and extend the useful life of the associated facility docks and near-shore assets. Scour-protected bonds were used to integrate the onshore ICCP system to offshore assets, reducing the cathodic protection (CP) retrofit’s design footprint. Sacrificial anodes were ins

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Cantó, Jorge, Luis Enrique Arvizu, Lorenzo M. Martinez-dela-Escalera, et al. "Design of a Cathodic Protection System to Overcome a Galvanic Dissimilarity on Iconic Monument for Mexico’s 200 Year Independence Celebration." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01586.

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Abstract Mexico is celebrating two hundred years of independence and in commemoration; the Mexican government is building an iconic monument in the most important avenue in Mexico City. The Estela de Luz monument, which is set to last 200 years free of corrosion while serving as a reminder to the Mexican people of their struggle for independence, is already facing its first challenge. The artist and architects designed the structure using two different metals: Stainless Steel and Carbon Steel, therefore generating a galvanic pair which, if not mitigated, will induce a shortening of the life sp

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John, Gareth, David Buxton, and Ian Cotton. "Polarisation Modelling as Part of Galvanic Anode Upgrade of a Hybrid Offshore Cathodic Protection System." In CORROSION 2007. NACE International, 2007. https://doi.org/10.5006/c2007-07081.

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Abstract This paper describes the development of a computer model to evaluate the performance of replacement galvanic anodes for a 25-year old offshore North Sea platform. The platform had a hybrid cathodic protection system comprising impressed current anodes mounted around the structure as well as aluminum – zinc – indium galvanic anodes. Over a period of time a number of the impressed current anodes had failed which together with natural consumption of the galvanic anodes had started to result in under polarization for sections of the structure. Consequently a cathodic protection upgrade wa

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Jelinek, Jiri, Bente O. Herfjord, Terje J. Blakset, Harald Osvoll, and Derek Morton. "The Use of Cathodic Protection Current Density Surveys for Optimising Offshore Surveys and Anode Retrofit Design." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95320.

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Abstract CP retrofitting of offshore structures is a very cost intensive operation. The Claymore 'A' platform has a hybrid CP system and for several reasons, including high maintenance costs of the IC system, the number of IC anodes has been reduced and retrofitting of sacrificial anodes has been required. In order to optimize the retrofit work and reduce cost, CP computer modeling and CP surveys have been utilised. Both computer modeling and surveys confirmed very low current density levels for the platform below 20 mA/m2, considerably lower than traditional design rules. The computer model w

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Bailey, David M., Richard G. Lampo, Jorge Costa, Matt Miltenberger, and Thomas Tehada. "Impact and Corrosion Prevention Using Polymer Composite Wrapping and Galvanic Cathodic Protection System for Pilings at Kawaihae Harbor." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09513.

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Abstract Department of Defense piers and wharves, most of which are over 50 years old, are often supported by reinforced concrete piles. These piles, when exposed to seawater, can incur severe corrosion of the steel and concrete spalling. This type of damage contributes to an annual maintenance cost of $99M for the waterfront structures that they support. Fiber reinforced polymeric composite wrapping systems have been evolving and are now a viable solution to repair concrete structural piles. These wrap systems, in marine applications, have not proven to be completely successful since some FRP

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Keim, Walter, Roe Strommen, and Jiri Jelinek. "Computer Modelling Used in the Operation and Maintenance of Offshore Platform CP Systems." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88097.

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Abstract SUMMARY This paper presents results obtained using a computer program to evaluate the performance of a cathodic protection system of a North Sea platform. The CP software model package has been developed using potential and current density readings obtained from existing offshore structures. The data presented in this paper was obtained from a platform jacket protected by a hybrid CP system. The jacket showed good protection with areas of overprotection. This study examined the possibilities of avoiding overprotection and retrofitting sacrificial anodes to the pile sleeve area. A comp

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Peguero, Davie. "Reinforcement Assessment of Natural Gas Road Crossings Using Composites." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07575.

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Abstract In response to a recent change in class location along a section of a natural gas pipeline in Ontario, the authors conducted an analysis, according to CSA(1) Z662, to determine the revised maximum allowed operating pressure (MAOP).The change to a Class 2 location reduced the calculated MAOP from 802 psi (5530 kPa) to 767 psi (5288 kPa) for three road crossings. The reduction in the pipeline pressure due to these three small sections at road crossings prompted the search for a solution to reinforce the sections to prevent a pressure reduction along the entire length of line. In order t

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Звіти організацій з теми "Cathodes hybrides"

Lawson and Thompson. L52100 Hot-Spot Protection for Impressed Current Systems. Pipeline Research Council International, Inc. (PRCI), 2003. http://dx.doi.org/10.55274/r0010153.

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As pipeline coating and associated cathodic protection (CP) systems age, areas along the pipeline inevitably develop that fall below a prescribed CP criterion. In efforts to meet an adequate CP criterion, engineers often resort to supplementing their existing CP system with magnesium anodes at these "low" potential areas resulting in a "hybrid" cathodic protection system consisting of an impressed current CP system (ICCP) supplemented with magnesium (Mg) anodes. This often achieves the desired result i.e. the potential measured over the pipe becomes more negative. However, there remain several

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