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Article: Preparation and electrochemical properties of Li[Ni1/3Co1/3Mn1-x/3Zrx/3]O2 cathode materials for Li-ion batteries

TitlePreparation and electrochemical properties of Li[Ni1/3Co1/3Mn1-x/3Zrx/3]O2 cathode materials for Li-ion batteries
Authors
KeywordsCathode Material
Electrochemical Performance
Li[Ni1/3Co1/3Mn1/3]O2
Lithium Ion Battery
Zr-Doping
Issue Date2007
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jpowsour
Citation
Journal of Power Sources, 2007, v. 174 n. 2, p. 544-547 How to Cite?
AbstractLayer-structured Zr doped Li[Ni1/3Co1/3Mn1-x/3Zrx/3]O2 (0 ≤ x ≤ 0.05) were synthesized via slurry spray drying method. The powders were characterized by XRD, SEM and galvanostatic charge/discharge tests. The products remained single-phase within the range of 0 ≤ x ≤ 0.03. The charge and discharge cycling of the cells showed that Zr doping enhanced cycle life compared to the bare one, while did not cause the reduction of the discharge capacity of Li[Ni1/3Co1/3Mn1/3]O2. The unchanged peak shape in the differential capacity versus voltage curve suggested that the Zr had the effect to stabilize the structure during cycling. More interestingly, the rate capability was greatly improved. The sample with x = 0.01 presented a capacity of 160.2 mAh g-1 at current density of 640 mA g-1(4 C), corresponding to 92.4% of its capacity at 32 mA g-1(0.2 C). The favorable performance of the doped sample could be attributed to its increased lattice parameter. © 2007 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/91028
ISSN
2015 Impact Factor: 6.333
2015 SCImago Journal Rankings: 2.008
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLin, Ben_HK
dc.contributor.authorWen, Zen_HK
dc.contributor.authorGu, Zen_HK
dc.contributor.authorXu, Xen_HK
dc.date.accessioned2010-09-17T10:11:58Z-
dc.date.available2010-09-17T10:11:58Z-
dc.date.issued2007en_HK
dc.identifier.citationJournal of Power Sources, 2007, v. 174 n. 2, p. 544-547en_HK
dc.identifier.issn0378-7753en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91028-
dc.description.abstractLayer-structured Zr doped Li[Ni1/3Co1/3Mn1-x/3Zrx/3]O2 (0 ≤ x ≤ 0.05) were synthesized via slurry spray drying method. The powders were characterized by XRD, SEM and galvanostatic charge/discharge tests. The products remained single-phase within the range of 0 ≤ x ≤ 0.03. The charge and discharge cycling of the cells showed that Zr doping enhanced cycle life compared to the bare one, while did not cause the reduction of the discharge capacity of Li[Ni1/3Co1/3Mn1/3]O2. The unchanged peak shape in the differential capacity versus voltage curve suggested that the Zr had the effect to stabilize the structure during cycling. More interestingly, the rate capability was greatly improved. The sample with x = 0.01 presented a capacity of 160.2 mAh g-1 at current density of 640 mA g-1(4 C), corresponding to 92.4% of its capacity at 32 mA g-1(0.2 C). The favorable performance of the doped sample could be attributed to its increased lattice parameter. © 2007 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/jpowsouren_HK
dc.relation.ispartofJournal of Power Sourcesen_HK
dc.subjectCathode Materialen_HK
dc.subjectElectrochemical Performanceen_HK
dc.subjectLi[Ni1/3Co1/3Mn1/3]O2en_HK
dc.subjectLithium Ion Batteryen_HK
dc.subjectZr-Dopingen_HK
dc.titlePreparation and electrochemical properties of Li[Ni1/3Co1/3Mn1-x/3Zrx/3]O2 cathode materials for Li-ion batteriesen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jpowsour.2007.06.125en_HK
dc.identifier.scopuseid_2-s2.0-36148992148en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-36148992148&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume174en_HK
dc.identifier.issue2en_HK
dc.identifier.spage544en_HK
dc.identifier.epage547en_HK
dc.identifier.isiWOS:000252020500033-

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