Journal
JOURNAL OF POWER SOURCES
Volume 146, Issue 1-2, Pages 525-528Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2005.03.101
Keywords
LiVOPO4; cathode; ball mill effects; rate property
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Improvement in the rate properties of orthorhombic LiVOPO4 was investigated and it was found that making a fine powder of LiVOPO4 by the mechanical milling pretreatment is effective for increasing the de-intercalation capacity of Li from LiVOPO4. The electrochemical de-intercalation capacity at high current density can further increase by optimizing the acetylene black amount as a conducting binder. The optimized acetylene black amount was 15 wt.% and intercalation capacity of Li was achieved a value of 100 and 60 mAh g(-1) at high rate condition of C/5 (0.4 mA cm(-2)) and 1C (2 mA cm(-2)), respectively. (c) 2005 Elsevier B.V. All rights reserved.
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