Ionic Conductivity and Microstructure of Li<sub>4</sub>GeO<sub>4</sub>-Based Solid Electrolytes

نویسندگان

چکیده

Li4GeO4-based solid electrolytes can be synthesized at low temperatures, and their formability is improved by adding Li2SO4. Glass–ceramic Li4GeO4 exhibits a relatively high ionic conductivity of approximately 10−6 S cm−1 room temperature, which higher than that glass Li4GeO4. Thus, has promising applications in all-solid-state lithium ion batteries. To understand the correlation between conductivity, formability, microstructure materials, microstructures crystallization process glass–ceramic 80Li4GeO4·20Li2SO4 (Li3.6Ge0.8S0.2O4) were observed transmission electron microscopy (TEM). Since Li3.6Ge0.8S0.2O4 halo diffraction pattern, addition Li2SO4 to stabilizes its amorphous phase. In addition, samples found characterized an state containing nanocrystallites with crystallinity degree 40%, improves material.

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ژورنال

عنوان ژورنال: Materials transactions

سال: 2022

ISSN: ['1345-9678', '1347-5320']

DOI: https://doi.org/10.2320/matertrans.mt-m2022094