Solution-processed Li-Containing Chalcogenide for Solid Electrolyte Applications
- Authors
- Jin, Byeong Kyou; Cho, Yun Gu; Chung, Woon Jin; Shin, Dong Wook; Choi, Yong Gyu
- Issue Date
- Apr-2012
- Publisher
- KOREAN INST METALS MATERIALS
- Keywords
- chalcogenide; lithium battery; solid electrolyte; solution process
- Citation
- ELECTRONIC MATERIALS LETTERS, v.8, no.2, pp.215 - 218
- Indexed
- SCIE
SCOPUS
KCI
OTHER
- Journal Title
- ELECTRONIC MATERIALS LETTERS
- Volume
- 8
- Number
- 2
- Start Page
- 215
- End Page
- 218
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/165952
- DOI
- 10.1007/s13391-012-2036-8
- ISSN
- 1738-8090
- Abstract
- In an effort to derive Li-containing chalcogenide through a solution process for potential use in solid electrolyte applications, sulfide materials with compositions of Li-Ge-S or Li-Ga-Ge-S were fabricated, and their structural changes were investigated in terms of processing conditions. It was experimentally verified that, as for the Li-Ge-S system, GeS2 begins to dominate as the major crystalline phase after heat treatment above 320 degrees C at the expense of GeS and S-8 phases, both of which are predominant in the as-dried samples. In the Li-Ga-Ge-S system, the resulting powder materials become more amorphized with increasing amounts of Ga. The prepared solution-processed quaternary samples then exhibited an ionic conductivity of similar to 2x10(-4) S.cm(-1) at room temperature, which is expected to further increase after optimization of the processing conditions as well as compositions.
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