期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 12, 期 7, 页码 992-995出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2010.05.010
关键词
High power; LiCoO2; Energy density; Li-ion cell; Rate capability
资金
- WCU
- NRF
- MEST in Korea
Hydrothermally prepared 100 nm-sized LiCoO2 with a plate morphology packed in a crucible resulted in 40 mu m-sized particles that consisted of aggregated <1 micron-sized particles after annealing at 900 degrees C for 3 h. In the condition where the optimized electrode pore volume was 20%, 4.1 g/cc of electrode density was obtained, which corresponded to 3 Wh/cc, which is the highest value among the cathode materials. Furthermore, the LiCoO2 showed excellent capacity retention of 78% after 290 cycles in a Li-ion cell under 7 C rate cycling. (C) 2010 Elsevier B.V. All rights reserved.
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