All-solid-state lithium secondary batteries using a layer-structured LiNi0.5Mn0.5O2 cathode material

被引:26
作者
Mizuno, F [1 ]
Hayashi, A [1 ]
Tadanaga, K [1 ]
Minami, T [1 ]
Tatsumisago, M [1 ]
机构
[1] Univ Osaka Prefecture, Grad Sch Engn, Dept Appl Mat Sci, Sakai, Osaka 5998531, Japan
关键词
all-solid-state cells; oxysulfide glass; solid electrolyte; LiNi0.5Mn0.5O2; layer-structured cathode; lithium secondary batteries;
D O I
10.1016/S0378-7753(03)00610-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
All-solid-state cells of In/LiNi0.5Mn0.5O2 Using a superionic oxysulfide glass with high conductivity at room temperature of 10(-3) S cm(-1) as a solid electrolyte were fabricated and the cell performance was investigated. Although a large irreversible capacity was observed at the 1st cycle, the solid-state cells worked as lithium secondary batteries and exhibited excellent cycling performance after the 2nd cycle; the cells kept charge-discharge capacities around 70 mAh g(-1) and its efficiency was almost 100%. This is the first case to confirm that all-solid-state cells using manganese-based layer-structured cathode materials work as lithium secondary batteries. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:170 / 173
页数:4
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