Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 61 for “"electrochemical measurements"”.
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Electrochemical measurements to support energy transition: water electrolysers characterization
L'abstract è presente nell'allegato / the abstract is in the attachment
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Corrosion Studies of Molten Chloride Salt: Electrochemical Measurements and Forced Flow Loop Tests
… in chloride molten salt environments, employing electrochemical techniques and a forced convection loop. It explores corrosion thermodynamic properties, electrochemical corrosion kinetics, and flow-induced dynamic corrosion. The study developed a novel electrochemical method for measuring …
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Electrochemical Studies at High Pressure
… and application of a methodology that permits electrochemical measurements at high pressure. The utilization of this methodology has proven useful in the characterization of various systems and processes as briefly outlined below.
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Coupling Raman spectroscopy and scanning electrochemical microscopy for spectroelectrochemical analysis of electrode interfaces
… causes variation in the reactivity across the electrochemically active surface. Bulk electrochemical measurements are unable to parse out the contributions to different structural motifs and how they affect surface processes, leaving the spatial correlation between structure and reactivity …
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The Effect of Lead on Dealloying and Stress Corrosion Cracking (SCC) of Ni-Cr-Fe Alloys in Boiling Caustic Environments
… to study dealloying. Flat samples were used for electrochemical measurements, and SS 316L was used in some tests to evaluate the effect of Mo addition and subtle changes in Ni content. Twisted and U-bend samples of SS 304L were used to evaluate the effect of stress on dealloying and SCC. All …
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Investigating the nature of passive films on austenitic stainless steels
… and photocurrent spectroscopy coupled with electrochemical measurements.
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ELECTRODE AND MEMBRANE MODIFICATION OF DIFFERENT REDOX FLOW BATTERIES
… both ZBFB and VFB system. Single cell testing, electrochemical measurements and SEM were done to analyze the mechanism behind it.
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Microinvasive probes for the longitudinal interrogation of neural dynamics
… treat certain neurological diseases. Existing electrochemical probes experience signal degradation and have not been reported to remain viable after 4 months of implantation. Chronic inflammatory and foreign body responses due to large implanted device size and mechanical mismatch are believed …
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Synthesis, characterization and catalytic investigations of Pt-based binary (bimetallic) and ternary (trimetallic) nanoparticles
… (ORR) functionality of these nanoparticles, electrochemical measurements were conducted, including cyclic voltammetry (CV), carbon monoxide stripping voltammetry (CO-stripping) and rotating disk electrode measurements (RDE). These measurements determined (a) electrochemical surface area, (b) …
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Experimental investigation of new coating methods for 3D-printed cathodes for hydrogen production
… electrodeposition. The results are obtained from electrochemical measurements and hydrogen production testing. The electrochemical activity of the electrodes is improved with the addition of catalysts. Higher current densities are obtained at the same potential for electrodes with more metal …
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The Kinetics and Thermodynamics of Oxygen in Nickel, Palladium, and Niobium-Vanadium Solid Solutions (Diffusion, Solubility, Electrochemistry)
Solid-state electrochemical measurements using alternative experimental procedures were made with the double cell Ni + NiO(VBAR)ZrO(,2) + Y(,2)O(,3)(VBAR)Ni or Pd(VBAR)ZrO(,2) + Y(,2)O(,3)(VBAR)Ni + NiO to determine the kinetic and thermodynamic functions of oxygen in solid nickel and palladium. …
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C2- and C3-Symmetric Meta-substituted Thienyl Benzenes: A Comparative Synthetic and Structural Study
… (UV-visible absorption and fluorescence) and electrochemical measurements. The anodic peak potentials (Epa) obtained for these compounds do not correlate with their σm Hammett parameters.
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Advanced Carbon Materials Based Electrodes for High Performance Symmetric Supercapacitors
… extraordinary stability in harsh electrolyte and electrochemical performance owing to its physical and chemical properties. In addition, porous structure originated from activation, excellent electrical conductivity, sustainability, wide availability and low cost further offering the improvement …
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Nanotexturisation of gold surfaces and its application to neural implants
… by impedance spectroscopy and complementary electrochemical measurements. It showed that the interface impedance could be decreased significantly by up to a magnitude of scale with the surface modifications. In addition a porous columnar form of sputtered gold was found that also showed …
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Myoglobin Microsperes and Metalloporphyrin -Peptide Complexes
… to the heme, producing only a low spin complex. Electrochemical measurements of the E1/2 of the FeIII(coproporphyrin-I) complexes of these peptides are all a fairly low potentials, ranging from -215 to -252 mV vs. NHE at pH 7. Addition of salt contacts to the design, resulted in the production of …
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Estudo do mecanismo de corrosão pelo CO2 em aço carbono via técnicas eletroquímicas em condições que incluem alta pressão e temperatura
… of carbon steel was investigated through measurements of electrochemical impedance, local pH and mass loss tests. Tests under high partial pressure of CO2were carried out in order to increase the dissolved CO2concentration, allowing to evaluate the possible influence of this gas on steel …
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The corrosion of CoCrMo alloys for biomedical applications
… out to investigate the feasibility of taking electrochemical measurements from hip resurfacing joints whilst articulating in a hip simulator. In this study, the effect of ‘as-cast’ and ‘double heat-treated’ CoCrMo alloys were compared for microstructure and corrosion behaviour differences …
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Corrosion behaviour of welded joints within chloride and chloride/CO[2] environments.
Electrochemical measurements and metallographic studies were performed on welded carbon steel pipeline materials. Corrosion tests were performed within naturally chloride solution with and without CO[2] additions at ambient temperature. The pH within different environments, chloride solution alone …
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Polarization, passivation, intercalation, and generation: an examination of In-Situ and Ex-Situ analytical techniques for the study of carbon anode materials for the electrochemical generation of elemental fluorine.
… materials for their use as electrodes in the electrochemical generation of elemental fluorine. An experimental apparatus was designed and constructed to melt and maintain the temperature of the KF·2HF electrolyte in a suitable range for electrochemical measurements. An electrochemical cell was …
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The slurry erosive-corrosive wear of a selection of aliminium alloys, particulate reinforced aluminium metal matrix composites and a selection of steels
… A corrosion cell was developed to allow in situ electrochemical measurements to be made. The addition of corrosive ions to the distilled water results in increased material removal rates, increasing by as much as 40% for some of the aluminium alloys and 41%for the 304 stainless steel. The …
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