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DC Field | Value | Language |
---|---|---|
dc.citation.endPage | 784 | - |
dc.citation.number | 2 | - |
dc.citation.startPage | 780 | - |
dc.citation.title | JOURNAL OF POWER SOURCES | - |
dc.citation.volume | 179 | - |
dc.contributor.author | Kim, Yoojung | - |
dc.contributor.author | Hong, Youngsik | - |
dc.contributor.author | Ryu, Kwang Sun | - |
dc.contributor.author | Kim, Min Gyu | - |
dc.contributor.author | Cho, Jaephil | - |
dc.date.accessioned | 2023-12-22T08:41:04Z | - |
dc.date.available | 2023-12-22T08:41:04Z | - |
dc.date.created | 2014-05-15 | - |
dc.date.issued | 2008-05 | - |
dc.description.abstract | Structural changes of bare and AIPO(4)-coated LiCoO2 with a coating thickness of 20 and 200 nm are investigated at x = 0.24 and 0. 1 after thermal annealing at 200, 300, and 400 degrees C using XRD and Co K-edge XANES (X-ray absorption near-edge structure) and EXAFS (extended X-ray absorption fine structure). Both the bare and coated cathodes exhibit faster phase transformation into spinel phases at lower annealing temperatures as x in LixCoO2 is decreased. Bare LixCoO2 cathodes exhibit phase transitions from LixCo2O4 to Co3O4 spinel as the annealing temperature is increased and the x is value decreased, which suggests a possible reaction according to (1/2)LixCo2O4 -> xLi(2)CO(3) + (1/3)Co3O4 + (2/3)O-2. However, the coated cathodes sustain a Li(x)Co(2)O(4)phase even at 400 degrees C and x=0.1. This indicates that the AIPO(4) coating layer suppresses the Li,C0204 phase decomposition into Co3O4. | - |
dc.identifier.bibliographicCitation | JOURNAL OF POWER SOURCES, v.179, no.2, pp.780 - 784 | - |
dc.identifier.doi | 10.1016/j.jpowsour.2008.01.054 | - |
dc.identifier.issn | 0378-7753 | - |
dc.identifier.scopusid | 2-s2.0-40849087701 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/4615 | - |
dc.identifier.url | http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=40849087701 | - |
dc.identifier.wosid | 000255299900040 | - |
dc.language | 영어 | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.title | Structural changes of bare and AIPO(4)-coated LixCoO2 (x = 0.24 and 0.1) upon thermal annealing >= 200 degrees C | - |
dc.type | Article | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordAuthor | structural change | - |
dc.subject.keywordAuthor | AIPO(4) coating | - |
dc.subject.keywordAuthor | LixCoO2 | - |
dc.subject.keywordAuthor | thermal annealing | - |
dc.subject.keywordAuthor | spinel phase | - |
dc.subject.keywordAuthor | lithium-ion cell | - |
dc.subject.keywordPlus | CATHODE | - |
dc.subject.keywordPlus | STABILITY | - |
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