| Item type |
学術雑誌論文 / Journal Article(1) |
| 公開日 |
2016-01-26 |
| タイトル |
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タイトル |
Effect of composition on lithium-ion conductivity for perovskite-type lithium–strontium–tantalum–zirconium-oxide solid electrolytes |
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言語 |
en |
| 言語 |
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|
言語 |
eng |
| 資源タイプ |
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資源タイプ |
journal article |
| 著者 |
木村, 圭祐
我妻, 倖太
東城, 友都
稲田, 亮史
櫻井, 庸司
Kimura, Keisuke
Wagatsuma, Kota
Tojo, Tomohiro
Inada, Ryoji
Sakurai, Yoji
|
| 抄録 |
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内容記述タイプ |
Abstract |
|
内容記述 |
We synthesized Li2x−ySr1−xTayZr1−yO3 (LSTZ, x=0.75y) with various Ta contents y=0.60, 0.70, 0.75, 0.77 and 0.8 via a conventional solid state reaction method and investigated their crystal phase, microstructure and lithium-ion conductivity. Almost single phase perovskite-type structured LSTZ was obtained at y=0.60–0.75 and their lattice sizes were increased with increasing y, indicating that Sr2+ and Zr4+ are successfully substituted by Li+ and Ta5+ with smaller ionic radii in these three samples. On the other hand, LSTZ with higher Ta contents y=0.77 and 0.8 included some impurity phases such as LiTaO3, SrTa2O6 and Sr2Ta2O7. A solid solution range for Ta into Zr site for LSTZ is expected to be y≤0.75. Both the bulk and total (bulk+grain-boundary) ionic conductivity of LSTZ monotonically increased with y from 0.60 to 0.75. Maximum bulk and total (bulk+grain-boundary) conductivities of 2.8×10−4 S cm−1 and 2.0×10−4 S cm−1 at 27 °C were obtained in LSTZ with y=0.75. |
| bibliographic_information |
en : Ceramics International
巻 42,
号 4,
p. 5546-5552,
発行日 2016
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| 出版者 |
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出版者 |
Elsevier |
| item_10001_source_id_9 |
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収録物識別子タイプ |
PISSN |
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収録物識別子 |
02728842 |
| item_10001_relation_14 |
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識別子タイプ |
DOI |
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関連識別子 |
10.1016/j.ceramint.2015.12.133 |
| 権利 |
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権利情報 |
Copyright © 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved |
| 関連サイト |
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識別子タイプ |
URI |
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関連識別子 |
http://www.sciencedirect.com/science/article/pii/S0272884215024311 |
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関連名称 |
ScienceDirect |
| 出版タイプ |
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|
出版タイプ |
AM |
| キーワード |
|
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主題 |
D. Perovskite |
| キーワード |
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主題 |
Oxide |
| キーワード |
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主題 |
Solid electrolyte |
| キーワード |
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主題 |
Lithium ion conductivity |
| キーワード |
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主題 |
Rechargeable battery |
c02728842-0042-5546.pdf (1.9 MB)
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