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.
Results
Showing 1 to 20 of 57 for “"Anode material"”.
-
Anode Material Testing for Marine Sediment Microbial Fuel Cells
… difference. The fuel cell is comprised of an anode buried in the sediment and a cathode that is held in the overlying water column. The process of electron transfer to the anode is catalyzed by anaerobic bacteria in the sediment. The anaerobic bacteria have that are able to catalyze the …
-
A layered sodium titanate as promising anode material for sodium ion batteries
… low cost of sodium source. Although some cathode materials with desirable electrochemical properties have been proposed, it's quite challenging to develop suitable anode materials with high energy density and good cyclability for sodium ion batteries. Herein, we report a layered material, …
-
The influence of inert anode material and electrolyte composition on the electrochemical production of oxygen from molten oxides
… and the preliminary development of an inert anode, as well as investigations into the mechanism of the oxygen evolution reaction. Various elements have been considered with the platinum group metals possessing the best combination of physical properties to serve as the inert anode. Cyclic …
-
Structural evolution of α-Fe2O3 nanowires during lithiation/delithiation and electrochemical property improvement
… great potential in lithium ion battery area as anode material, due to high capacity, elemental abundance, low cost and biocompatibility. Its reaction with lithium ion is accepted as conversion reaction. In this paper, single crystal α-Fe2O3 nanowires were prepared by an electrical resistive …
-
Evaluation of Yttrium-Doped SrTiO₃ as a Solid Oxide Fuel Cell Anode
… with a view to establishing their potential as anode materials for solid oxide fuel cells (SOFCs). The structure, microstructure, electrical conductivity, reduction-oxidation behavior, phase stability, compatibility with electrolytes, and performance in SOFC operation were assessed.</p> …
-
Lithium Storage Mechanisms and Electrochemical Behavior of Molybdenum Disulfide
… molybdenum disulfide (MoS2) when utilized as an anode material in Li-ion batteries, particularly focusing on the intriguing phenomenon of extra capacity observed beyond theoretical expectations and the unique discharge curve of the first cycle. Employing a robust suite of advanced …
-
A Study of Plasma Ignition Enhancement for Aeroramp Injectors in Supersonic Combustion Applications
… several key investigations were made of the anode material, anode geometry, and spectrographic analysis of different light hydrocarbon fuels and inert feedstocks, all aimed at increasing the ignition potential of the plasma torch. Investigations of the anode material demonstrated the …
-
Environmentally friendly baths for Cu-Sn co-electrodeposition: cyanide-free aqueous bath and deep eutectic solvents
… bath stability can be realized by replacement on anode material and utilization of pulse current. Contrary to that, research on electrodeposition from deep eutectic system was quite new and few relevant studies can be referred especially in the field of alloys. As a result, this work started from …
-
Microrecycling of Batteries and Carbon-Containing Waste for Manufacturing Different Materials
… a battery, graphite has been widely used as the anode material in Li-ion batteries. However, it fails to deliver satisfactory performance in Na-ion batteries. Moreover, the soaring demand for graphite has led to its classification as a critical mineral. Consequently, identifying alternative …
-
Candidate anode materials for iron production by molten oxide electrolysis
… oxygen gas, as well as iron and silicon raw materials on the Moon. MOE produces iron by electrolysis of an iron oxide containing electrolyte. The electrolysis results in the production of pure iron metal at the cathode and pure oxygen gas at the anode. Because of the low vapor pressure of the …
-
Studies of bronze electrodeposition.
… electrolyses at various bath temperatures and anode and cathode current densities under galvanostatic conditions. The results from these tests have been interpreted and a set of optimum bath conditions has been decided upon to achieve deposits of a desired composition and properties. Further …
-
The Development of M3+-Doped Mesoporous Ti4O7 Electrode for Pharmaceutical Degradation in Fresh Human Urine
An ideal electrode material for pharmaceutical degradation should be efficient, low-cost, and stable. However, none of the well-studied anode material has a lifetime of more than 400 hours. In this work, we fabricate metal with valence number three (M3+) doped-mesoporous Ti4O7 planner electrodes. …
-
Organic macromolecular architectures for non-aqueous redox flow batteries
… and polymer architectures to create redox active materials. Here we attempt to produce an all-organic polymer battery in solution state using inexpensive Celgard separators to compete with experiencing large crossover. Our first example of such a material utilized viologen pendant groups as the …
-
Nano-Silicon/graphene Composite Anodes For Enhanced Performance Lithium Ion Batteries
… insufficient. Recently, the most promising anode material to substitute the traditional graphite is Si. As an anode Si has low discharge potential and theoretical the highest known theoretical capacity (>10 fold of graphite). However, due to the increased accommodated Li+ during …
-
A study of electrochemical hypochlorite cells
… as a function of hydrodynamics and electrode material has been studied over a range of conditions. In this, the electrolytic generation of Sodium Hypochlorite (NaOC1) using an undivided cell in a closed-loop experimental equipment was carried out under galvanostatic conditions (ie at constant …
-
The Local Structure of Sodium-Ion Anodes During Electrochemical Reactions
… of sodium-ion technology is to find a suitable anode material. This search is hampered owing to major gaps in our understanding of how these systems work. The major objective of this thesis is to gain a better understanding of the mechanisms by which sodium inserts into different anode …
-
Coupled mechanochemical theories for reacting systems with application to nanovoid nucleation and Li-ion batteries
… at the void surface.</p> <p>Si is a promising anode material for Li-ion batteries, since it absorbs large amounts of Li. However, insertion of Li leads to 334 % of volumetric expansion, huge stresses, and fracture; it can be suppressed by utilizing nanoscale anode structures. Continuum …
-
Conversion of Switchgrass into Functional Carbon Materials and Food Emulsifiers
… convert switchgrass into hard carbon, a carbon material with disordered structures, and used as an anode material in sodium-ion batteries. The produced hard carbon showed an exceptional battery performance with high storage capacity and excellent cycling stability over time. Furthermore, we …
-
A Single-Frequency Impedance Diagnostic for State of Health Determination in Li-ion 4P1S Battery Packs
… the battery was generated, and it indicated the anode material was aging faster than the SEI layer, the opposite of normal cell degradation. A post-mortem analysis of cells from three configurations (baseline, single-cell, and parallel-cell) supported the modeling, as physical damage to the …
-
Effects of Water-Soluble Binders on Direct Ink Writing Silicon Anode in Lithium-Ion Batteries
… in the performance of a Li-ion battery is the anode material. The current anode material that is commonly being used in the present market is graphite on copper foil, which is effective but is expensive, has limited availability, and the theoretical specific capacity is only 327 mAh/g. Studying …
Page 1 of 3