Cation Mixing during Lithium Intercalation into and Deintercalation from Li1-dAlyNi1-yO2 (0≤y≤0.25) Electrodes

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dc.contributor.authorPyun, Su-Ilko
dc.contributor.authorLee, MHko
dc.contributor.authorShin, HCko
dc.contributor.authorKim, SWko
dc.date.accessioned2013-02-27T12:28:35Z-
dc.date.available2013-02-27T12:28:35Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2000-
dc.identifier.citationMOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.341, pp.163 - 170-
dc.identifier.issn1542-1406-
dc.identifier.urihttp://hdl.handle.net/10203/68582-
dc.description.abstractCation mixing during lithium intercalation into and deintercalation from Li1-deltaAlyNi1-yO2 (y = 0; 0.05; 0.25) electrodes was investigated by using galvanostatic intermittent titration technique (GITT) and X-ray diffractometry (XRD). From the XRD patterns obtained from the Li1-deltaNiO2 electrode, the interlayer spacings of the lithium-poorest H3 phase were determined to he smaller than the neighbouring hexagonal H2 phase by 0.03 nm. The cation mixing, i.e., the substitution of nickel ions for lithium vacant sites can account for this shrinkage. The diffusion of lithium ions in the H3 phase was strongly impeded by both the shrinkage of interlayer spacings and the presence of nickel ions in the lithium vacant sites. From the experimental findings that the width of potential plateau at 4.20 VLi/Li+ became narrower with increasing aluminum content, y, it was suggested that the substitutive aluminum ions stabilize the layered structure, thus suppressing the cation mixing.-
dc.languageEnglish-
dc.publisherGORDON BREACH SCI PUBL LTD-
dc.titleCation Mixing during Lithium Intercalation into and Deintercalation from Li1-dAlyNi1-yO2 (0≤y≤0.25) Electrodes-
dc.typeArticle-
dc.identifier.wosid000089195900028-
dc.type.rimsART-
dc.citation.volume341-
dc.citation.beginningpage163-
dc.citation.endingpage170-
dc.citation.publicationnameMOLECULAR CRYSTALS AND LIQUID CRYSTALS-
dc.contributor.nonIdAuthorLee, MH-
dc.contributor.nonIdAuthorShin, HC-
dc.contributor.nonIdAuthorKim, SW-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle; Proceedings Paper-
dc.subject.keywordAuthorcation mixing-
dc.subject.keywordAuthorLi1-delta AlyNi1-yO2 electrodes-
dc.subject.keywordAuthorgalvanostatic intermitten titration technique (GITT)-
dc.subject.keywordAuthorX-ray diffractometry (XRD)-
dc.subject.keywordAuthoraluminum ions-
dc.subject.keywordPlusCATHODE-
dc.subject.keywordPlusLINIO2-
dc.subject.keywordPlusBATTERIES-
dc.subject.keywordPlusELECTROCHEMISTRY-
dc.subject.keywordPlusR(3)OVER-BAR-M-
dc.subject.keywordPlusLI-1-XNI1+XO2-
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