Preparation of todorokite-type manganese-based oxide and its application as lithium and magnesium rechargeable battery cathode

被引：70

作者：

Kumagai, N ^{[1
]}

Komaba, S ^{[1
]}

Sakai, H ^{[1
]}

Kumagai, N ^{[1
]}

机构：

[1] Iwate Univ, Dept Chem Engn, Morioka, Iwate 0208551, Japan

来源：

JOURNAL OF POWER SOURCES | 2001年 / 97-8卷

关键词：

manganese oxide; todorokite; intercalation; lithium battery; magnesium;

D O I：

10.1016/S0378-7753(01)00726-1

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：

Todorokite type MgMnO2. yH(2)O which possesses 3 x 3 large tunnel structure was prepared through hydrothermal treatment of layer manganese dioxide, buserite, at 120-200 degreesC. In non-aqueous Li and Mg cells, electrochemical insertion of Lif and Mg2+ into the todorokite products occurred utilizing the preferable large tunnel for their diffusion. By heat-treatment up to 300 degreesC, cycle performances in Li cell were improved by removing water molecules from the todorokite tunnel. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：515 / 517

页数：3

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