| アイテムタイプ |
default_学術雑誌論文 / Journal Article(1) |
| タイトル |
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タイトル |
Structure and particle surface analysis of Li<sub>2</sub>S–P<sub>2</sub>S<sub>5</sub>–LiI-type solid electrolytes synthesized by liquid-phase shaking |
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言語 |
en |
| 言語 |
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言語 |
eng |
| キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
All-solid-state battery |
| キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Liquid phase synthesis |
| キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Li<sub>7</sub>P<sub>2</sub>S<sub>8</sub>I solid electrolyte |
| キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Local structure analysis |
| キーワード |
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言語 |
en |
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主題Scheme |
Other |
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主題 |
Particle surface analysis |
| 資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
journal article |
| アクセス権 |
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アクセス権 |
open access |
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アクセス権URI |
http://purl.org/coar/access_right/c_abf2 |
| 著者 |
Hikima Kazuhiro
Ogawa Kaito
Indrawan Radian Febi
Tsukasaki Hirofumi
Hiroi Satoshi
Ohara Koji
Ikeda Kazutaka
Watanabe Toshiki
Matsunaga Toshiyuki
Yamamoto Kentaro
Mori Shigeo
Uchimoto Yoshiharu
Matsuda Atsunori
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| 抄録 |
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内容記述タイプ |
Abstract |
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内容記述 |
Li2S–P2S5–LiI-type solid electrolytes, such as Li4PS4I, Li7P2S8I, and Li10P3S12I, are promising candidates for anode layers in all-solid-state batteries because of their high ionic conductivity and stability toward Li anodes. However, few studies have been conducted on their detailed local structure and particle surface state. In this study, Li7P2S8I (Li2S: P2S5:LiI = 3:1:1) solid electrolytes as the chemical composition were synthesized by mechanical milling and liquid-phase shaking, and their local structures were analyzed by transmission electron microscopy. The particle surface states were analyzed by X-ray photoelectron spectroscopy, high-energy X-ray scattering measurements, and neutron total scattering experiments. The results showed that Li7P2S8I solid electrolytes are composed of nanocrystals, such as Li4PS4I, LiI, Li10P3S12I and an amorphous area as the main region, indicating that the crystalline components alone do not form ionic conductive pathways, with both the amorphous and crystalline regions contributing to the high ionic conductivity. Moreover, the ionic conductivity of the crystalline/amorphous interface of the glass-ceramic was higher than that of the Li2S–P2S5–LiI glass. Finally, an organic-solvent-derived stable surface layer, which was detected in the liquid-phase shaking sample, served as one of the factors that contributed to its high stability (which surpassed that of the mechanically milled sample) toward lithium anodes. We expect these findings to enable the effective harnessing of particle surface states to develop enhanced sulfide solid electrolytes. |
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言語 |
en |
| bibliographic_information |
en : Journal of Solid State Electrochemistry
巻 28,
号 12,
p. 4377-4387,
ページ数 11,
発行日 2024-05-13
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| 出版者 |
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出版者 |
Springer Nature |
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言語 |
en |
| item_10001_source_id_9 |
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収録物識別子タイプ |
EISSN |
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収録物識別子 |
1433-0768 |
| item_10001_relation_14 |
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識別子タイプ |
DOI |
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関連識別子 |
10.1007/s10008-024-05898-3 |
| 権利 |
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権利情報 |
© The Author(s) |
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言語 |
en |
| 出版タイプ |
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出版タイプ |
NA |
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出版タイプResource |
http://purl.org/coar/version/c_be7fb7dd8ff6fe43 |
https://doi.org/10.1007/s10008-024-05898-3
