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dc.contributor.author선양국-
dc.date.accessioned2018-03-09T10:26:10Z-
dc.date.available2018-03-09T10:26:10Z-
dc.date.issued2013-09-
dc.identifier.citationNATURE COMMUNICATIONS,v.4 ,p2437en_US
dc.identifier.issn2041-1723-
dc.identifier.urihttps://www.nature.com/articles/ncomms3437-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/44524-
dc.description.abstractDissolution and migration of manganese from cathode lead to severe capacity fading of lithium manganate-carbon cells. Overcoming this major problem requires a better understanding of the mechanisms of manganese dissolution, migration and deposition. Here we apply a variety of advanced analytical methods to study lithium manganate cathodes that are cycled with different anodes. We show that the oxidation state of manganese deposited on the anodes is +2, which differs from the results reported earlier. Our results also indicate that a metathesis reaction between Mn(II) and some species on the solid-electrolyte interphase takes place during the deposition of Mn(II) on the anodes, rather than a reduction reaction that leads to the formation of metallic Mn, as speculated in earlier studies. The concentration of Mn deposited on the anode gradually increases with cycles; this trend is well correlated with the anodes rising impedance and capacity fading of the cell.en_US
dc.description.sponsorshipDepartment of Energy (DOE) Office of Energy Efficiency and Renewable Energy (EERE) Postdoctoral Research Award under the EERE Vehicles Technology Program DOECenter for Electrical Energy Storage, an Energy Frontier Research Center U.S. Department of Energy, Office of Science, Office of Basic Energy SciencesApplied Battery Research for Transportation (ABR) Program from the U. S. DOE-EERE Office of Vehicle Technologies U.S. DOE973 Program of China Beijing Natural Science Foundation National Natural Science Foundation of China Bosch (China) Ltd.Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant Korean government, Ministry of Trade, Industry and Energy National Research Foundation of Korea (NRF) Korea government (MEST)en_US
dc.language.isoenen_US
dc.publisherNATURE PUBLISHING GROUP, MACMILLAN BUILDING, 4 CRINAN ST, LONDON N1 9XW, ENGLANDen_US
dc.subjectLI-ION BATTERIESen_US
dc.subjectTEMPERATURE CYCLING STABILITYen_US
dc.subjectELEVATED-TEMPERATUREen_US
dc.subjectCATHODE MATERIALSen_US
dc.subjectGRAPHITE ANODESen_US
dc.subjectLIMN2O4 CATHODEen_US
dc.subjectELECTROLYTEen_US
dc.subjectCELLSen_US
dc.subjectPERFORMANCEen_US
dc.subjectIMPEDANCEen_US
dc.titleMn(II) deposition on anodes and its effects on capacity fade in spinel lithium manganate-carbon systemsen_US
dc.typeArticleen_US
dc.relation.volume4-
dc.identifier.doi10.1038/ncomms3437-
dc.relation.page1-8-
dc.relation.journalNATURE COMMUNICATIONS-
dc.contributor.googleauthorZhan, Chun-
dc.contributor.googleauthorLu, Jun-
dc.contributor.googleauthorKropf, A. Jeremy-
dc.contributor.googleauthorWu, Tianpin-
dc.contributor.googleauthorJansen, Andrew N.-
dc.contributor.googleauthorSun, Yang-Kook-
dc.contributor.googleauthorQiu, Xinping-
dc.contributor.googleauthorAmine, Khalil-
dc.relation.code2013011396-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDEPARTMENT OF ENERGY ENGINEERING-
dc.identifier.pidyksun-
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
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