This technology relates to a solid electrolyte for all-solid-state lithium secondary batteries and is applicable to all-solid-state lithium secondary batteries. In particular, it is a technology designed to enhance performance, durability, stability, and applicability based on core materials, structures, processes, or device configurations related to the solid electrolyte for all-solid-state lithium secondary batteries and the method of manufacturing the same.
It aims to resolve the instability caused by reactivity with moisture and interference with electrochemical effects in existing solid electrolytes. Accordingly, this technology proposes a technical concept that incorporates a solid electrolyte for all-solid-state lithium secondary batteries having improved safety and electrochemical characteristics as a core means, and includes an excess amount of lithium and aluminum in a garnet structured solid electrolyte.
Accordingly, the present invention is expected to improve the moisture reactivity and electrochemical characteristics of the garnet structured solid electrolyte, and can simultaneously enhance reproducibility, scalability, and process suitability in actual usage environments. Furthermore, since it can be utilized as a high-performance material, device, battery, sensor, apparatus, or manufacturing process in related industries, it is advantageous in terms of subsequent commercialization and demonstration development.
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