Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
194071 | Electrochimica Acta | 2007 | 6 Pages |
Abstract
LiNi1−xCoxO2 (x = 0, 0.1, 0.2) cathode materials were successfully synthesized by a rheological phase reaction method with calcination time of 0.5 h at 800 °C. All obtained powders are pure phase with α-NaFeO2 structure (R-3m space group). The samples deliver an initial discharge capacity of 182, 199 and 189 mAh g−1 (25 mA g−1, 4.35–3.0 V), respectively. The reaction mechanism was also discussed, which consists of a series of defect reactions. As a result of these defect reactions, the reaction of forming LiNi1−xCoxO2 takes place in high speed.
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Authors
Chiwei Wang, Xiaoling Ma, Liqun Zhou, Jinguo Cheng, Jutang Sun, Yunhong Zhou,