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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 21 for “"Interfacial resistance"”.
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The Effect of Molecular Properties on Interfacial Resistance
Made available in DSpace on 2014-12-05T17:15:14Z (GMT). No. of bitstreams: 1 0010548.pdf: 2845089 bytes, checksum: 50c035265cd0af8dba24eb2904602731 (MD5) Previous issue date: 1954
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Interfacial Resistance: Diffusion Into a Laminar Liquid-Liquid Jet
Made available in DSpace on 2015-05-12T21:38:34Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6507129.PDF: 3253182 bytes, checksum: 20a2961ab2b31cb3f8b9252f3555b043 (MD5) Previous issue date: 1965
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Diffusion Through the Liquid-Liquid Interface: Interfacial Resistance in Three-Component Systems
Made available in DSpace on 2014-12-08T23:18:09Z (GMT). No. of bitstreams: 1 6507180.pdf: 2904361 bytes, checksum: 226b1be5dd8333df62b53cd7dfdec165 (MD5) Previous issue date: 1965
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The effect of the positions and molecular weight of hydrophilic functional groups of surfactants on gas absorption rates
… solutions at different concentrations. Then the interfacial resistance for each solution was calculated. The results of the surfactants were compared with each other and were also compared with the results of lauryl diethanol amide previous investigated. The octanol with hydroxyl group at a …
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Theory and simulation of magnetism and spin transport in semiconductors
… TAKES INTO ACCOUNT THE EFFECTS OF INTERFACE RESISTANCE HAS BEEN PRESENTED. SPIN-INJECTION EFFICIENCY AND MAGNETORESISTANCE WHICH ARE THE KEY PARAMETERS IN ANY SPINTRONICS DEVICE ARE STUDIED IN DETAIL. IT WAS FOUND THAT INTERFACIAL RESISTANCE WHICH IS DUE TO SPIN-SELECTIVE TUNNEL BARRIER AT …
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Understanding and Controlling the Degradation Mechanisms at Cathode-Electrolyte Interfaces in All-Solid-State Lithium-Ion Batteries
… battery for good cyclability. In order to study interfacial stabilities we developed model system with thin film cathode. The cell design allowed characterization of the interface by interface-sensitive techniques without the needs of destructive techniques. We studied interfacial degradation …
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Effects of Ultrathin Interlayers on Thermal Boundary Conductance at Metal-Dielectric Interfaces
… contributions from the interface is crucial when interfacial resistance forms a significant fraction of the total thermal resistance of the device. In this thesis, we analyze the modification of thermal conductance at metal-dielectric interfaces by inserting few-nanometer thick metal interlayers. …
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Electrochemical kinetics of thin film vanadium pentoxide cathodes for lithium batteries
… were more vital to improving performance; (2) interfacial resistance and ohmic polarization were also dominant at the high current rates used (> 600 [mu]A/cm²) in addition to solid diffusion; and (3) optimization of thin film batteries requires that film thickness be < 500 nm to avoid …
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Transport properties of graphite-loaded composites in liquid and solid states
… aggregation of graphite flakes is tighter and interfacial resistance is smaller, while above the percolation threshold, the aggregation of graphite flakes becomes looser and interfacial resistance is larger. Next, we study rheological properties of graphite-loaded liquids. We observed …
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Transport and Structure in Fuel Cell Proton Exchange Membranes
… standard Nafion electrodes. Significantly higher interfacial resistance was measured for BPSH samples. Fluorine was introduced into the copolymer backbone by utilizing bisphenol-AF in the copolymer synthesis (6F copolymers). These 6F copolymers showed a markedly lower interfacial resistance with …
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Synthesis, characterization, and thermal properties of ceramic-fullerene thin films
… film conductivity due to the contact resistance between dispersed fullerenes and neighboring ZrO2 grains, and contributions of fullerenes and the affected grain boundary region to thermal conductivity reductions have been identified. Dispersed C60 is proposed to affect phonon …
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Lattice Vibration Study Of Silica Nanoparticle In Suspension
… of nanofluids depend on various parameters e.g. interfacial resistance, Brownian motion of particles, liquid layering at the solid-liquid interface and clustering of nanoparticles. In this work atomic scale simulation has been used to study possible mechanisms affecting the heat transfer …
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Graphene Decorated Substrates and Their Interfacial Characteristics
… different structures together with minimum interfacial resistance is one major challenge to almost all nanomaterials. The thesis demonstrates the growth of integrated graphene petals on carbon fibers and carbon nanotube arrays. Catalyst-free MPCVD synthesis of multi-layer graphene extensions …
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Modeling and Analysis of Advanced Thermoelectric Modules Considering Thermal Losses
… capture the contribution from thermal losses and interfacial resistance. Finite element simulation and multi-physics analysis were utilized in conjunction with an analytical model to examine the effects of different operating conditions and geometry on thermal losses within the TEG. A …
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Investigation of high-performance lithium-ion batteries based on highly conductive Li7La3Zr2O12 solid-state electrolyte and stable electrode-electrolyte interface
… interface stability and low resistance are important to their optimized electrochemical performance of lithium-ion batteries. The goal of this dissertation is to develop high-performance lithium-ion batteries based on LLZO solid-state electrolyte and stable/low resistance …
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The Electrochemistry of Ferrocenyl-thiolate Self-Assembled Monolayers for use in a Toll-like Receptor 4-based sensor
… Au surfaces. These SAMs possess a uniquely low interfacial resistance (? 1 k?) due to the presence of a Ferrocenyl-thiolate component, which mediates electron transfer from dissolved Fe(CN)64- to the underlying Au substrate. The work presented in this thesis focuses on the problem, and its …
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Ab initio investigations of solid electrolytes for lithium- and Sodium-ion batteries
… difficult in practice, often resulting in high interfacial resistance. As a result of these computational investigations, we report the prediction and synthesis of a new high performance sodium-ion conducting material: NaioSnP 2S 12, with room temperature ionic conductivity of 0.4 mS cm-1, which …
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MULTILAYER COMPOSITE SOLID ELECTROLYTES FOR LITHIUM ION BATTERIES
… coating methods. It was found that negligible interfacial resistance exist at LATP/LLT and SPE material. Also, an enhanced ionic conductivity was found for the bilayer of LATP/solvent casted SPE. This phenomenon was attributed to the formation of a composition region at the polymer/ceramic …
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Microcapsule-based strategies for enhanced performance of lithium-ion batteries
… rate capability of the battery due to increased interfacial resistance. In contrast, time release of microencapsulated VC increases discharge capacity 2.5 times at 5C-rate compared to the non-encapsulated VC system. In LMO/graphite batteries, the pouch cells with encapsulated VC also exhibit …
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Development and characterization of next generation batteries
… of all-solid-state Li−S battery is the poor interfacial properties at the solid electrolyte/electrode interfaces. In Chapter 3, the strategy of modifying the interface to develop high performance solid-state Li−S battery is discussed. The highly concentrated solvate solution was employed as …
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