期刊
JOURNAL OF POWER SOURCES
卷 97-8, 期 -, 页码 515-517出版社
ELSEVIER
DOI: 10.1016/S0378-7753(01)00726-1
关键词
manganese oxide; todorokite; intercalation; lithium battery; magnesium
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.
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