Synthesis and electrochemical properties of lithium molybdenum oxides

被引：28
|
作者：
Kobayashi, H
Tabuchi, M
Shikano, M
Nishimura, Y
Kageyama, H
Ishida, T
Nakamura, H
Kurioka, Y
Kanno, R
机构：
[1] MITI, AIST, Osaka Natl Res Inst, Ikeda, Osaka 5638577, Japan
[2] Kinki Univ, Fac Sci & Technol, Dept Elect Engn, Osaka 5778502, Japan
[3] Kobe Univ, Fac Sci, Dept Chem, Kobe, Hyogo 6578501, Japan
来源：
JOURNAL OF POWER SOURCES | 1999年 / 81卷
关键词：
lithium deintercalation; layered oxide; molybdenum oxide;
D O I：
10.1016/S0378-7753(98)00227-4
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：
Layered oxides Li2MoO3 were synthesized at 923 K (sample A), 1023 K (sample B), and 1073 K (sample C) and characterized by X-ray diffractometry, magnetic and electrochemical measurements. All Li2MoO3 showed rhombohedral symmetry with an alpha-NaFeO2-related structure and paramagnetic behavior down to 83 K. Lithium. deintercalation from samples B and C proceeded to x=1.2 in Li2-xMoO3. The Li/Li2MoO3 (samples B and C) cells showed cycling capacities of 150 mAh/g in the voltage range of 1.5-4.3 V after 10 cycles. Samples B and C showed better cycle reversibility than sample A. The different charge and discharge characteristics between samples A-C might be caused by structural differences which were indicated by X-ray diffraction measurements. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：524 / 529
页数：6
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