Journal
JOURNAL OF POWER SOURCES
Volume 189, Issue 1, Pages 494-498Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2008.11.062
Keywords
Co3O4; Spinel; Li1.1Mn1.9O4; Cathode; Lithium; Battery
Funding
- Korea Institute of Industrial Technology(KITECH) [2007-E-AP-HM-P-23-0000] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [과C6A1908] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Metal oxide (Co3O4) Was coated on spinel Li1.1Mn1.9O4 using glutamic acid. Powder X-ray diffraction pattern Of Co3O4-coated spinel Li1.1Mn1.9O4 Showed that the Co3O4 coating medium was not incorporated in the spinel bulk structure. Morphology of the Co3O4-coated spinel Li1.1Mn1.9O4 was observed by scanning electron microscopy and transmission electron microscopy. The cycling performance of the Co3O4-coated spinel Li1.1Mn1.9O4 was obviously improved, compared to the pristine Li1.1Mn1.9O4 at elevated temperature (55 degrees C). Improvement of rate capability was also achieved at high C-rates. (c) 2008 Published by Elsevier B.V.
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