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dc.contributor.author윤종승-
dc.date.accessioned2017-04-25T23:47:55Z-
dc.date.available2017-04-25T23:47:55Z-
dc.date.issued2015-08-
dc.identifier.citationADVANCED FUNCTIONAL MATERIALS, v. 25, NO 29, Page. 4673-4680en_US
dc.identifier.issn1616-301X-
dc.identifier.issn1616-3028-
dc.identifier.urihttp://onlinelibrary.wiley.com/doi/10.1002/adfm.201501430/full-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/26962-
dc.description.abstractLi[Ni0.65Co0.13Mn0.22]O-2 cathode with two-sloped full concentration gradient (TSFCG), maximizing the Ni content in the inner part of the particle and the Mn content near the particle surface, is synthesized via a specially designed batch-type reactor. The cathode delivers a discharge capacity of 200 mAh g(-1) (4.3 V cutoff) with excellent capacity retention of 88% after 1500 cycles in a full-cell configuration. Overall electrochemical performance of the TSFCG cathode is benchmarked against conventional cathode (CC) with same composition and commercially available Li[Ni0.8Co0.15Al0.05]O-2 (NCA). The TSFCG cathode exhibits the best cycling stability, rate capability, and thermal stability of the three electrodes. Transmission electron microscopy analysis of the cycled TSFCG, CC, and NCA cathodes shows that the TSFCG electrode maintains both its mechanical and structural integrity whereas the NCA electrode nearly pulverizes due to the strain during cycling.en_US
dc.description.sponsorshipThis work was mainly supported by the Global Frontier R&D Program (2013M3A6B1078875) on Center for Hybrid Interface Materials (HIM) funded by the Ministry of Science, Information & Communication Technology (ICT) and Future Planning and also supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government Ministry of Education and Science Technology (MEST) (No. 2014R1A2A1A13050479). This work was also financially supported by Bayerische Motoren Werke AG (BMW AG).en_US
dc.language.isoenen_US
dc.publisherWILEY-V C H VERLAG GMBHen_US
dc.subjectcathodesen_US
dc.subjectconcentration gradienten_US
dc.subjectcoprecipitationen_US
dc.subjectlithium batteriesen_US
dc.titleAdvanced Concentration Gradient Cathode Material with Two-Slope for High-Energy and Safe Lithium Batteriesen_US
dc.typeArticleen_US
dc.relation.no29-
dc.relation.volume25-
dc.identifier.doi10.1002/adfm.201501430-
dc.relation.page4673-4680-
dc.relation.journalADVANCED FUNCTIONAL MATERIALS-
dc.contributor.googleauthorLim, Byung-Beom-
dc.contributor.googleauthorYoon, Sung-Jun-
dc.contributor.googleauthorPark, Kang-Joon-
dc.contributor.googleauthorYoon, Chong S.-
dc.contributor.googleauthorKim, Sung-Jin-
dc.contributor.googleauthorLee, Juhyon J.-
dc.contributor.googleauthorSun, Yang-Kook-
dc.relation.code2015001465-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDIVISION OF MATERIALS SCIENCE AND ENGINEERING-
dc.identifier.pidcsyoon-
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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