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Cho, Jaephil
Nano Energy Storage Material Lab.
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High power LiCoO2 cathode materials with ultra energy density for Li-ion cells

Author(s)
Jo, MinkiJeong, SookyungCho, Jaephil
Issued Date
2010-07
DOI
10.1016/j.elecom.2010.05.010
URI
https://scholarworks.unist.ac.kr/handle/201301/3446
Fulltext
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=77955654931
Citation
ELECTROCHEMISTRY COMMUNICATIONS, v.12, no.7, pp.992 - 995
Abstract
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.
Publisher
ELSEVIER SCIENCE INC
ISSN
1388-2481

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