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dc.contributor.author선양국-
dc.date.accessioned2018-04-02T07:32:51Z-
dc.date.available2018-04-02T07:32:51Z-
dc.date.issued2014-01-
dc.identifier.citationJ. Electrochem Soc. 2014,161(1), A142-A148en_US
dc.identifier.issn0013-4651-
dc.identifier.issn1945-7111-
dc.identifier.urihttp://jes.ecsdl.org/content/161/1/A142-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/54913-
dc.description.abstractPolyaniline is coated on Li[Li0.2Ni0.2Mn0.6]O2 synthesized via co-precipitation. X-ray diffraction patterns exhibit that the polyaniline coating does not affect structural change of the Li[Li0.2Ni0.2Mn0.6]O2, and the resulting transmission electron microscopic images show the presence of coating layers on the surface of Li[Li0.2Ni0.2Mn0.6]O2. Electrochemical tests using coin type cells confirm that the surface modification by polyaniline is effective in maintaining capacity and retention upon cycling. The conducting coating character also assists improvement in rate capability. The polyaniline layer forms F-doped polyaniline during cycling, as is proved by time-of-flight secondary ion mass spectroscopy. Therefore, the presence of the polyaniline layers plays a role in lowering HF levels via scavenging F? from HF in the electrolyte, and this F?doped polyaniline layer also assists in protecting the Li[Li0.2Ni0.2Mn0.6]O2 from HF attack upon cycling, resulting in improved electrochemical properties.en_US
dc.description.sponsorshipThe authors thank Miwa Watanabe, Iwate University, for her helpful assistance in the experimental work. This work was partially supported by the IT R&D program of MKE/KEIT [10041856, Technologydevelopment for life improvement of high Ni composition cathode a high temperature (≥60◦C)] and the secondary battery R&D program for leading green industry of MKE/KEIT [10041094, Developmentof Co-free, high thermal stability and eco-friendly layered cathode material for lithium ion batteries.en_US
dc.language.isoenen_US
dc.publisherELECTROCHEMICAL SOC INC, 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USAen_US
dc.titleElectrochemical Properties of Polyaniline-Coated Li-Rich Nickel Manganese Oxide and Role of Polyaniline Coating Layeren_US
dc.typeArticleen_US
dc.relation.no1-
dc.relation.volume161-
dc.identifier.doi10.1149/2.073401jes-
dc.relation.page142-148-
dc.relation.journalJOURNAL OF THE ELECTROCHEMICAL SOCIETY-
dc.contributor.googleauthorChoa, Dae-hyun-
dc.contributor.googleauthorYashirob, Hitoshi-
dc.contributor.googleauthorSun, Yang-Kook-
dc.contributor.googleauthorMyung, Seung-Taek-
dc.relation.code2014034791-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDEPARTMENT OF ENERGY ENGINEERING-
dc.identifier.pidyksun-
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COLLEGE OF ENGINEERING[S](공과대학) > ENERGY ENGINEERING(에너지공학과) > Articles
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