Transport properties of the sodium-yttrium-silicate glasses

Nechaev, G. V.; Vlasova, S. G.; Kovyazina, I.; Reznitskich, O.G.

doi:10.1016/j.jnoncrysol.2016.04.044

Cited by 11 publications

(3 citation statements)

References 18 publications

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“…This dependence demonstrates that introduction of SnO 2 in sodium-silicate glasses promote the glasses to be water resistant. Similar behavior of glass composition we can see in the works [20,21], as introducing alumina in lithium-phosphate glasses [16]. This can be explained by formation of bonds Si-O-Sn-O-Si between distinct silicate chains in the glass structure.…”

Section: Resultssupporting

confidence: 81%

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Hydrolytic Resistance of Na2O–SiO2–SnO2 Glass System

Kovyazina

Vlasova

Kapustin

2018

SSP

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The influence of SnO2 on the chemical stability of sodium silicate glasses is investigated. The six glass compositions of ySnO2–37.9Na2O–(62.1-y)SiO2, y=1–8 mol.%, system were synthesized. Thermal behavior of the glasses was studied with the methods of dilatometry and DSC. It is shown that the hydrolytic resistance increases when growing the SnO2 concentration in the glass composition at constant Na2O content.

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Section: Resultssupporting

confidence: 81%

“…Introduction of rare earth oxides or transition metals can be one of the ways to improve their stability [15][16][17][18][19]. We made additional investigation with yttrium oxide as dopant in sodium-silicate system [20].…”

Section: Introductionmentioning

confidence: 99%

Hydrolytic Resistance of Na2O–SiO2–SnO2 Glass System

Kovyazina

Vlasova

Kapustin

2018

SSP

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“…[73] Table 2 includes the synthesis method and conductivity of some more silicates developed. [53,54,60,[62][63][64][65][66][73][74][75]79,81,82,[98][99][100][101][113][114][115][116][117][118][119][120][121][122][123][124] High-ionic conductivity at RT is achieved by the silicate doped with phosphorous, Na 5.2 Y 0.8 P 0.4 Si 3.6 O 12.0 . [98] 4.2.…”

Section: Techniquementioning

confidence: 99%

Progress in Sodium Silicates for All‐Solid‐State Sodium Batteries—a Review

2023

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All solid‐state sodium batteries (ASSSBs) are considered a promising alternative to lithium‐ion batteries due to increased safety in employing solid‐state components and the widespread availability and low cost of sodium. As one of the indispensable components in the battery system, organic liquid electrolytes are the currently used electrolytes due to their high‐ionic conductivity (10−2 S cm−1) and good wettability; however, their low‐thermal stability, flammability, and leakage tendency pose safety concerns. The growing sodium‐ion battery technology with solid electrolytes is a viable solution due to their improved safety. However, solid electrolytes suffer from insufficient ionic conductivity at room temperature (10−4–10−3 S cm−1), poor interface stability, high charge‐transfer resistance, and low wettability, yielding inferior battery performance. Sodium rare‐earth silicates are a new class of materials with a 3D structure framework similar to sodium‐superionic conductors (NASICONs). These silicates can be used as a solid electrolyte for solid‐state sodium batteries due to their high‐ionic conduction (10−3 S cm−1) at 25 °C. Herein, the sodium rare‐earth silicate synthesis, crystal structure, ion‐conduction mechanism, doping, and electrochemical properties are discussed. This emerging type of inorganic solid electrolyte can pave the way to building next‐generation ASSSBs.

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