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Kim, Youngsik
YK Research
Research Interests
  • Ionic conducting ceramic electrolyte membranes, energy conversion and storage materials and devices

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Synthesis and electrochemical characteristics of Al2O3-coated LiNi1/3Co1/3Mn1/3O2 cathode materials for lithium ion batteries

DC Field Value Language
dc.contributor.author Kim, Youngsik ko
dc.contributor.author Kim, Hyun Soo ko
dc.contributor.author Martin, Steve W. ko
dc.date.available 2014-10-06T08:19:49Z -
dc.date.created 2014-10-06 ko
dc.date.issued 2006-11 -
dc.identifier.citation ELECTROCHIMICA ACTA, v.52, no.3, pp.1316 - 1322 ko
dc.identifier.issn 0013-4686 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/6929 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33749627713 ko
dc.description.abstract LiNi1/3Co1/3Mn1/3O2 cathode materials have been coated with Al2O3 nano-particles using sol-gel processing to improve its electrochemical properties. The X-ray diffraction (XRD) pattern of the as-prepared Al2O3 nano-particles was indexed to the cubic structure of the γ-Al2O3 phase and had an average size of ∼4 nm. The XRD showed that the structure of LiNi1/3Co1/3Mn1/3O2 was not affected by the Al2O3 coating. However, the Al2O3 coatings on LiNi1/3Co1/3Mn1/3O2 improved the cyclic life performance and rate capability without decreasing its initial discharge capacity. These electrochemical properties were also compared with those of LiAlO2-coated LiNi1/3Co1/3Mn1/3O2 cathode material. The electrochemical impedance spectroscopy (EIS) was studied to understand the enhanced electrochemical properties of the Al2O3-coated LiNi1/3Co1/3Mn1/3O2 compared to uncoated LiNi1/3Co1/3Mn1/3O2. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD ko
dc.subject Al2O3 nano-particles ko
dc.subject Cyclic life ko
dc.subject Electrochemical property ko
dc.subject LiNi1/3Co1/3Mn1/3O2 ko
dc.subject Rate capability ko
dc.subject Sol-gel method ko
dc.title Synthesis and electrochemical characteristics of Al2O3-coated LiNi1/3Co1/3Mn1/3O2 cathode materials for lithium ion batteries ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-33749627713 ko
dc.identifier.wosid 000242616100071 ko
dc.type.rims ART ko
dc.description.wostc 72 *
dc.description.scopustc 72 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-10-06 *
dc.identifier.doi 10.1016/j.electacta.2006.07.033 ko
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