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Соколов, И. А.; Ilin, Alexander; Valova, N. A.; Ustinov, N. Yu.; Tarlakov, Yu. P.; Пронкин, А. А.

doi:10.1023/a:1024442301124

Cited by 4 publications

(1 citation statement)

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“…The total electric resistance (R t ) was determined as an intersection of the hodograph semicircle with the axe of real resistance. The specific resistance and, consequently, conductivity of the LiPO 3 glass measured in this way are close to the data of Sokolov et al [18]. The conductivity dependence of each sample is linear in Arrhenius coordinates in the whole temperature range examined, Fig.…”

Section: Transport Propertiessupporting

confidence: 89%

The transport properties of the composition glassy LiPO3/crystalline SiO2 system

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The glassy LiPO 3 /crystalline SiO 2 (0-20 vol%) composite solid electrolytes have been obtained by glass softening. The XRD data confirmed that the amorphous state of LiPO 3 was retained in the composite. The transport characteristics were measured by impedance spectroscopy and NMR technique with 6 Li and 7 Li isotopes. The concentration dependences of specific conductivity have a maximum at 5 vol% of SiO 2 . According to the conductivity data fitting with a mixture equation, the conductivity of LiPO 3 /SiO 2 layer is 8.6 (at 50°C) to 17 (at 200°C) times higher compared with the starting LiPO 3 glass. The NMR data confirm that the number of mobile Li ions in the composite increases. In case of porousless composites, the conductivity maximum was at 15 vol% of SiO 2 . Thus, a slight composite effect was found in the examined glassy LiPO 3 /crystalline SiO 2 system.

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Section: Transport Propertiessupporting

confidence: 89%