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Cho, Jaephil
Nano Energy Storage Material Lab.
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dc.citation.endPage A786 -
dc.citation.number 4 -
dc.citation.startPage A781 -
dc.citation.volume 153 - Lee, Hyunjung - Kim, Yoojung - Hong, Young-Sik - Kim, Yoojin - Kim, Min Gyu - Shin, Nam-Soo - Cho, Jaephil - 2023-12-22T10:07:23Z - 2023-12-22T10:07:23Z - 2014-05-21 - 2006-04 -
dc.description.abstract Structural characterization of surface-modified Lix Ni0.9 Co0.1 O2 cathodes (x=0.3 and 0.15) using an MP O4 coating (M=Al, Ce, SrH, and Fe) were investigated for their potential applications to Li-ion cells. MP O4 nanoparticles that were precipitated from metal nitrate and (N H4) 2 HP O4 in water at pH=10 were coated on the cathodes via mixing and heat treatment at 700°C. The CeP O4 and SrHP O4 -coated Li0.3 Ni0.9 Co0.1 O2 cathodes heat treated at 300°C were mainly made up of the rock-salt phase (Fm3m), while AlP O4 and FeP O4 -coated cathodes showed disordered [Li1-x (Ni,Co)x] 3b [(Ni,Co)y] 3a O2 -type hexagonal structure (R 3- m) with a cation mixing. However, when the x value decreased from 0.3 to 0.15, bare and coated cathodes which had a spinel (Fd3m) or hexagonal structure (R 3- m) at x=0.3 were transformed into a NiO-type rock-salt structure. AlP O4 -coated sample exhibited lowest degree of oxygen generation after 300°C annealing at x=0.15, indicating the highest thermal stability among the bare and coated cathodes. -
dc.identifier.bibliographicCitation JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.153, no.4, pp.A781 - A786 -
dc.identifier.doi 10.1149/1.2172567 -
dc.identifier.issn 0013-4651 -
dc.identifier.scopusid 2-s2.0-33644810435 -
dc.identifier.uri -
dc.identifier.url -
dc.identifier.wosid 000235723600021 -
dc.language 영어 -
dc.title Structural characterization of the surface-modified LixNi0.9Co0.1O2 cathode materials by MPO4 coating (M = Al, Ce, SrH, and Fe) for Li-ion cells -
dc.type Article -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordPlus SECONDARY LITHIUM CELLS -
dc.subject.keywordPlus THERMAL-STABILITY -
dc.subject.keywordPlus DECOMPOSITION MECHANISM -
dc.subject.keywordPlus DELITHIATED LI-1-XNIO2 -
dc.subject.keywordPlus RECHARGEABLE BATTERIES -
dc.subject.keywordPlus COBALT DISSOLUTION -
dc.subject.keywordPlus LICOO2 CATHODES -
dc.subject.keywordPlus BEHAVIOR -
dc.subject.keywordPlus LINIO2 -


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