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  • 1
    facet.materialart.
    Unknown
    Study, selection, and preparation of solid cationic conductors (1974)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Crystal chemical principles and transport theory have been used to predict structures and specific compounds which might find application as solid electrolytes in rechargeable high energy and high power density batteries operating at temperatures less than 200 C. Structures with 1-, 2-, and 3-dimensional channels were synthesized and screened by nuclear magnetic resonance, dielectric loss, and conductivity. There is significant conductivity at room temperature in some of the materials but none attain a level that is comparable to beta-alumina. Microwave and fast pulse methods were developed to measure conductivity in powders and in small crystals.
    Keywords: AUXILIARY SYSTEMS
    Type: NASA-CR-134610 , SRD-74-034
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
    facet.materialart.
    Unknown
    Study, selection, and preparation of solid cationic conductors (1972)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Crystal chemical principles and transport theory were used to predict structures and specific compounds which might find application as solid electrolytes in rechargeable high energy and high power density batteries operating at temperatures less than 200 C. More than twenty compounds were synthesized or obtained and screened by nuclear magnetic resonance and conductivity. Many were densified by sintering or hot pressing. Encouraging results were obtained for nine of these materials but none have yet been good ionic conductors at low temperature.
    Keywords: AUXILIARY SYSTEMS
    Type: NASA-CR-120964 , SRD-72-116
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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