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This research aims to investigate the synthesis and sodium ion conductivity of novel sodium tellurosilicates.

June 13, 2026Open Access

Enhanced sodium ion mobility in sodium tellurosilicates and crystal structures of Na4SiTe4 and Na10Si2Te9 with isolated [SiTe4]4− tetrahedra and isolated Te2− anions

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This research aims to investigate the synthesis and sodium ion conductivity of novel sodium tellurosilicates.
Sodium tellurosilicates synthesized by ball milling and high-temperature solid-state reactions.
Electrochemical impedance spectroscopy used to analyze sodium ion conductivities.
Crystal structures determined by X-ray diffraction and electronic structure analyzed using density functional theory.
Na4SiTe4 shows remarkable sodium ion conductivity with specific lattice parameters and a cubic structure.
Na10Si2Te9 exhibits moderate conductivity with distinct crystal structure, including isolated [SiTe4]4− tetrahedra and Te2− anions.
Density functional theory reveals semiconducting behavior for all synthesized compounds.

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Randomized trial evaluates sodium ion conductivity in sodium tellurosilicates, suggesting potential applications in energy storage.

Kamm et al. (2024) studied this question.

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