Development of materials for all-solid-state lithium batteries

被引：0
作者：
机构：
[1] Department of Chemistry, Konan University, Higashinada-ku, Kobe 658-8501
来源：
Machida, N. | 2005年 / Funtai Funamtsu Yakin Kyokai/Japan Soc. of Powder Metallurgy卷 / 52期
关键词：
All-solid-state battery; Lithium battery; Lithium suicide; Mechanical milling; Solid electrolyte;
D O I：
10.2497/jjspm.52.589
中图分类号：
学科分类号：
摘要：
Development of all-solid-state lithium batteries is strongly desired to replace commercially available lithiumion batteries using conventional electrolyte solutions, because the all-solid- state batteries have some advantages, such as high reliability and high safety performance. For the development of the all-solid-state lithium batteries, non-flammable lithium-ion conducting solid electrolytes and also positive and negative electrode materials suitable for the all-solid-state batteries are indispensable materials. Phosphorus-sulfide based lithium-ion conducting materials have been prepared by a high-energy ball-milling process. The solid electrolytes in the system Li 2S-P 2S 3P 2S 5 show high lithium-ion conductivity over 6 × 10 -4 Scm -1 at room temperature and have been prominent electrochemical stability. New Li-Si alloy has been also prepared by the high-energy ball-milling process and investigated as negative electrode materials for the all-solid-state batteries. The new alloy shows large specific capacity about 300 mAhg -1 and good charge-discharge reversibility.
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页码：589 / 598
页数：9
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