Electrochemical intercalation activity of layered NaCrO2 vs. LiCrO2

被引：504
作者：
Komaba, Shinichi [1 ]
Takei, Chikara [1 ]
Nakayama, Tetsuri [1 ]
Ogata, Atsushi [1 ]
Yabuuchi, Naoaki [1 ]
机构：
[1] Tokyo Univ Sci, Dept Appl Chem, Shinjuku Ku, Tokyo 1628601, Japan
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2010年 / 12卷 / 03期
关键词：
NaCrO2; LiCrO2; Sodium intercalation; Na-ion battery; CHROMIUM-OXIDE; CATHODE; NAXCRO2; OXYGEN;
D O I：
10.1016/j.elecom.2009.12.033
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Electrochemical activities of layered LiCrO2 (R-3m) and NaCrO2 (R-3m) materials were investigated at room temperature in aprotic organic electrolyte solutions. LiCrO2 and NaCrO2, possessing the same polytypism and the same transition metal atom, were inactive and active in 1 mol dm(-3) LiClO4 and NaClO4 propylene carbonate, respectively. The NaCrO2 electrode performed the highly reversible capacities of ca. 120 mAh g(-1) with satisfactory capacity retention in a Na cell. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：355 / 358
页数：4
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