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Showing 1 to 20 of 163 for “"ionic conductivity"”.

  1. Ionic Conductivity in Non-Ionic Compounds

    Avala, Usha Kranthi

    … objective of this work is to investigate the ionic conductivity of the drugs under certain conditions and also to compare the ionic conductivities of drugs determined by single surface sensors and parallel plate sensors. The ionic conductivity of various materials at their pre-melt and melt …

    wku-diss Repository record

  2. Ionic Conductivity and Diffusion in Silver-Bromide

    Miller, Allan StephenUniversity of Illinois at Urbana-Champaign2015

    Made available in DSpace on 2015-05-12T17:03:34Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 0023356.PDF: 2911524 bytes, checksum: 2bc51ed796596603cf681719a86071ec (MD5) Previous issue date: 1957

    uiuc Repository record

  3. Ionic conductivity transitions in antiperovskite ionic conductors

    Li, YiliangMassachusetts Institute of Technology2022

    … cycling efficiency. However, the relatively low ionic conductivity of most solid state electrolytes has been considered as the major challenge. Antiperovskite(AP) electrolytes are recently developed solid state electrolyte with enhanced ionic conductivity. AP materials also provide an ideal …

    mit Repository record

  4. Ionic Conductivity and Diffusion in Cesium-Bromide and Cesium-Iodide

    Lynch, David WilliamUniversity of Illinois at Urbana-Champaign2015

    Made available in DSpace on 2015-05-12T17:12:14Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 5900539.PDF: 2413049 bytes, checksum: e23ed105bf548d598b448f5d0a780422 (MD5) Previous issue date: 1958

    uiuc Repository record

  5. Design of high-ionic conductivity electrodes for direct methanol fuel cells

    Schrauth, Anthony JMassachusetts Institute of Technology2011

    … which large amounts of catalyst can compromise ionic resistance and fuel transport within the electrode. This design flaw is confirmed experimentally using cyclic voltammetry and impedance spectroscopy. Tests of standard electrodes show that they have a maximum Nafion content of about 30% Nafion …

    mit Repository record

  6. The Effect of Hydrostatic Pressure on Ionic Conductivity in Some Alkali-Halides

    Pierce, Camden BallardUniversity of Illinois at Urbana-Champaign2015

    Made available in DSpace on 2015-05-12T17:12:22Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 6100185.PDF: 3246387 bytes, checksum: de0d57e6a94f3cf2b76f777346d71d68 (MD5) Previous issue date: 1960

    uiuc Repository record

  7. Structure and Ionic Conductivity Properties of Ionic Liquid@Metal—Organic Framework Composites

    Tuffnell, Joshua MarkUniversity of Cambridge2023

    IL@MOF (IL: ionic liquid; MOF: metal-organic framework) materials have been proposed as a candidate for solid-state electrolytes, combining the inherent non-flammability, high ionic conductivity, and high thermal and chemical stability of the ionic liquid with the host-guest interactions of the …

    cambridge Repository record

  8. Ionic conductivity and exchange current density of non-aqueous lithium polysulfide electrolyte

    Pan, Menghsuan SamMassachusetts Institute of Technology2015

    … In particular, we systematically investigate the ionic conductivity and exchange current density at the electrode surface with lithium polysulfide solutions of varying concentration and in differing solvents which solvent molecules of different sizes. Ionic conductivities are measured using a …

    mit Repository record

  9. Molecular mechanics of DNA bricks: in situ structure, mechanical properties and ionic conductivity

    Slone, Scott Michael LouisUniversity of Illinois at Urbana-Champaign2017

    … compare the structure, mechanical properties and ionic conductivity of DNA brick and DNA origami objects different only by internal connectivity of their consistituent DNA strands. In comparison to equivalent DNA origami objects, the DNA brick objects were found to be less rigid and less dense and …

    uiuc Repository record

  10. Effect of Pressure on Ionic Conductivity in Rubidium-Silver-Iodide and Silver-Iodide

    Allen, Paul ClementUniversity of Illinois at Urbana-Champaign2015

    Made available in DSpace on 2015-05-13T15:22:07Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7803926.PDF: 2526423 bytes, checksum: c8945014cd9dc2204a01efee70d59a1c (MD5) Previous issue date: 1977

    uiuc Repository record

  11. Effect of pressure on ionic conductivity in rubidium silver iodide and silver iodide

    Allen, Paul Clement2011

    The effect of pressure on the ionic conductivity of RbAg4I5 and AgI has been measured, using single crystals and polycrystalline samples, up to pressures of 6 kbar. The activation volumes for motion in cr-RbAg4I5 and B-RbAgI5, respectively, are -0.4 ±.2 cm3/mole and -0.2 ±.l cm3/mole. In 4a-AgI, …

    uiuc Repository record

  12. Structure of cathode-electrolyte interfaces and correlation with ionic conductivity in Solid Oxide Fuel Cell devices

    CHIARA, ALESSANDROUniversità degli studi di Catania2021

    A multiple analysis approach has been used in order to investigate the chemical compatibility between different promising cathode and electrolyte materials for It-SOFC (Intermediate Temperature-Solid Oxide Fuel Cell) application, in order to evaluate how the chemical reactivity can affect the fuel …

    catania Repository record

  13. The Effect of Hydrostatic Pressure on The Ionic Conductivity of Some Crystals With The Fluorite Structure

    Oberschmidt, James MichaelUniversity of Illinois at Urbana-Champaign2015

    The effect of hydrostatic pressure on the ionic conductivity of CaF(,2), SrF(,2), BaF(,2), CdF(,2, )SrC(, 2), PbF(,2), PbC (,2), PbBr(,2) and PbI(,2) has been studied for pressures up to 0.6 GPa and temperatures up to near the melting point. The activation volumes for extrinsic vacancy motion were …

    uiuc Repository record

  14. The effect of hydrostatic pressure on the ionic conductivity of some crystals with the flourite structure

    Oberschmidt, James Michael2011

    The effect of hydrostatic pressure on the ionic conductivity of CaF2 SrF2 BaF2 CdF2 SrCl2 PbF2 PbCl2 PbBr2 and PbI2 has been studied for pressures up to 0.6 GPa and temperatures up to near the melting point. The activation volumes for extrinsic vacancy motion were obtained from the effect of …

    uiuc Repository record

  15. A study of the synthesis, structure, and ionic conductivity of sodium and lithium lanthanide pyrosilicates, A3LnSi2O7

    Hodkinson, JackUniversity of Cambridge2019

    In this thesis the synthesis, structure, and ionic conductivity of the sodium and lithium lanthanide pyrosilicates, A3LnSi2O7 (A = Li, Na; Ln = Gd-Er, Y), are reported. The Na- silicates, Na3LnSi2O7, were made by the ceramic method. The meta-stable Li-silicates, Li3LnSi2O7, were formed by a molten …

    cambridge Repository record

  16. Influence of lattice dynamics on the ionic conductivity and stability of solid-state lithium-ion conductors

    Muy, SokseihaMassachusetts Institute of Technology2018

    … to overcome these challenges. However, the ionic conductivity and especially (electro)chemical stability of many solid electrolytes are still problematic. The focus of this thesis is on ionic mobility and stability of solid-state Li-ion conductor and descriptors that correlates with these …

    mit Repository record

  17. An electrochemical study on the ionic conductivity of ceramic electrolyte La1-2SrxCo3-yMyO3-sigma oxide and its Pd/Ag compsites

    CATHY MON2004

    … that possess excellent electronic and oxygen anionic conductivity. Such mixed-conductivity is the essential property that the cathode material of solid oxide fuel cell (SOFC) and the electrochemical oxygen separation membrane must have. The oxides were synthesized via combustion of their …

    nus Repository record

  18. Investigation into the impact of grain boundaries, film interface, and crystallographic orientation on the ionic conductivity of thin film gadolinium-doped ceria

    Swanson, Matthew M.

    mtu Repository record

  19. Fast ion conduction in solid electrolyte materials: An investigation of the relationship between lattice dynamics, geometric frustration induced disorder, and ionic conductivity

    Gustafson, WilliamUniversity of Illinois at Urbana-Champaign2020

    The student, William Gustafson, accepted the attached license on 2020-07-21 at 14:32.

    uiuc Repository record

  20. Accelerating Polymer Electrolyte Discovery with Machine Learning

    Bradford, GabrielMassachusetts Institute of Technology2022

    … However, SPEs suffer from significantly lower ionic conductivity than liquid electrolytes, limiting their adoption in functional devices. To facilitate more rapid discovery of high ionic conductivity SPEs, we developed a chemistry-informed machine learning model that accurately predicts ionic …

    mit Repository record

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