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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 613 (1992), S. 26-30 
    ISSN: 0044-2313
    Keywords: Chlorometallates ; fast ionic conductivity ; phase transitions ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Novel Fast Ion Conductors of the Type MI3MIIICl6 (MI = Li, Na, Ag; MIII = In, Y)The ternary chlorides Li3InCl6, Na3InCl6, Ag3InCl6, and Li3YCl6 have been studied by difference scanning calorimetry, high-temperature X-ray, infrared, and high-temperature Raman methods. Impedance spectroscopic measurements exhibit fast ionic conductivity increasing in the sequence Na3InCl6 〈 Li3YCl6 〈 Ag3InCl6 〈 Li3InCl6. In the range of 300°C, Li3InCl6 is the best lithium ion conductor known so far (σ = 0,2 Ω-1 cm-1 at 300°C). With the exception of Na3InCl6, the chlorides exhibit complicated order-disorder phase transitions.
    Notes: Li3InCl6 Na3InCl6, Ag3InCl6 und Li3YCl6 wurden mittels thermoanalytischer (DSC), röntgenographischer, IR- und Raman-spektroskopischer Methoden (einschließlich Röntgen- und Ramanheizaufnahmen) charakterisiert. Impedanzspektroskopische Messungen ergaben eine sehr hohe Ionenleitfähigkeit (Na3InCl6 〈 Li3YCl6 〈 Ag3InCl6 〈 Li3InCl6). Li3InCl6 ist im Bereich von 300°C der bisher beste Lithiumionenleiter (σ = 0,2 Ω-1 cm-1). Mit Ausnahme von Na3InCl6 sind die hier untersuchten ternären Chloride polymorph mit komplizierten Ordnungs-Unordnungs-Phasenumwandlungen.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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