Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 조재필 | - |
dc.date.accessioned | 2018-10-29T07:29:44Z | - |
dc.date.available | 2018-10-29T07:29:44Z | - |
dc.date.issued | 2008-02 | - |
dc.identifier.citation | JOURNAL OF POWER SOURCES, v. 179, No. 2, Page. 780-784 | en_US |
dc.identifier.issn | 0378-7753 | - |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S037877530800219X | - |
dc.identifier.uri | https://repository.hanyang.ac.kr/handle/20.500.11754/76835 | - |
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 (c) 2008 Elsevier B.V. All rights reserved. | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | ELSEVIER SCIENCE BV | en_US |
dc.subject | structural change | en_US |
dc.subject | AIPO(4) coating | en_US |
dc.subject | LixCoO2 | en_US |
dc.subject | thermal annealing | en_US |
dc.subject | spinel phase | en_US |
dc.subject | lithium-ion cell | en_US |
dc.title | Structural changes of bare and AlPO4-coated LixCoO2 (x = 0.24 and 0.1) upon thermal annealing ≥200°C | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1016/j.jpowsour.2008.01.054 | - |
dc.relation.journal | JOURNAL OF POWER SOURCES | - |
dc.contributor.googleauthor | Kim, Yoojung | - |
dc.contributor.googleauthor | Hong, Youngsik | - |
dc.contributor.googleauthor | Ryu, Kwang Sun | - |
dc.contributor.googleauthor | Kim, Min Gyu | - |
dc.contributor.googleauthor | Cho, Jaephil | - |
dc.relation.code | 2008205693 | - |
dc.sector.campus | E | - |
dc.sector.daehak | COLLEGE OF SCIENCE & TECHNOLOGY[E] | - |
dc.sector.department | DIVISION OF SCIENCE & TECHNOLOGY | - |
dc.identifier.pid | jpcho | - |
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