Electrochemical properties and discharge mechanism of Na/TiS2 cells with liquid electrolyte at room temperature

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dc.contributor.author Ahn, Hyo en_US
dc.contributor.author Park, Jinsoo en_US
dc.contributor.author Ahn, Jou en_US
dc.contributor.author Kim, Jong-Seon en_US
dc.contributor.author Nam, Tae-Hyun en_US
dc.contributor.author Kim, Ki-Won en_US
dc.contributor.author Ryu, Ho en_US
dc.contributor.author Wang, Guoxiu en_US
dc.contributor.editor en_US
dc.date.accessioned 2013-11-03T17:05:35Z
dc.date.available 2013-11-03T17:05:35Z
dc.date.issued 2013 en_US
dc.identifier 2012001600 en_US
dc.identifier.citation Ahn, Hyo et al. 2013, 'Electrochemical properties and discharge mechanism of Na/TiS2 cells with liquid electrolyte at room temperature', Electrochemical Society, vol. 160, no. 2, pp. A338-A343. en_US
dc.identifier.issn 0013-4651 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/24055
dc.description.abstract The electrochemical properties of Na/TiS2 cells fabricated from Na anodes and TiS2 cathodes and 1M sodium trifluoromethanesulfonate in tetraethyleneglycol dimethylether liquid electrolyte have been investigated. The discharge curve has two plateau regions of 2.1 V and 1.6 V. The loss of discharge capacity appeared mainly in the upper plateau (UP) region (2.0-2.6 V) and the discharge capacity in the low plateau (LP) region (0.8-2.0 V) does not decrease and is consistent during 40 cycles. The discharge process between Na and TiS2 has a complex reaction mechanism, the intercalation at the upper plateau region and the conversion at the low plateau region. Because, a distorted TiS2 phase appeared in the upper plateau, a new phase of NaxTiS2 was observed in the lower plateau, and the NaxTiS2 phase was disappeared after full discharge from the XRD and TEM results. The decrease of discharge capacity during cycling is occurred from the formation of NaxTiS2 phase in the cathode after full charging and is accumulated over cycling (C) 2012 The Electrochemical Society. [DOI: 10.1149/2.084302jes] All rights reserved. en_US
dc.language en_US
dc.publisher Electrochemical Society en_US
dc.relation.isbasedon en_US
dc.title Electrochemical properties and discharge mechanism of Na/TiS2 cells with liquid electrolyte at room temperature en_US
dc.parent Journal of Electrochemical Society en_US
dc.journal.volume 160 en_US
dc.journal.number 2 en_US
dc.publocation USA en_US
dc.identifier.startpage A338 en_US
dc.identifier.endpage A343 en_US
dc.cauo.name SCI.School of Chemistry and Forensic Science SCI.School of Chemistry and Forensic Science SCI.School of Chemistry and Forensic Science en_US
dc.conference Verified OK en_US
dc.for 090400 en_US
dc.personcode 0000063375 en_US
dc.personcode 0000065198 en_US
dc.personcode 0000071226 en_US
dc.personcode 0000071231 en_US
dc.personcode 0000073940 en_US
dc.personcode 0000073941 en_US
dc.personcode 0000087413 en_US
dc.personcode 0000087414 en_US
dc.personcode 109499 en_US
dc.percentage 100 en_US
dc.classification.name Chemical Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords AMBIENT-TEMPERATURE; CATHODE MATERIALS; SODIUM; BATTERY; NA-TIS2 en_US
dc.staffid 109499 en_US


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