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Lee, Sang-Young
Energy Soft-Materials Lab (ESML)
Research Interests
  • Soft Materials for Energy Storage/ Conversion Systems

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Potential application of microporous structured poly(vinylidene fluoride-hexafluoropropylene)/poly(ethylene terephthalate) composite nonwoven separators to high-voltage and high-power lithium-ion batteries

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dc.contributor.author Jeong, Hyun-Seok ko
dc.contributor.author Choi, Eun-Sun ko
dc.contributor.author Kim, Jong Hun ko
dc.contributor.author Lee, Sang-Young ko
dc.date.available 2014-09-18T02:27:01Z -
dc.date.created 2014-09-17 ko
dc.date.issued 2011-05 -
dc.identifier.citation ELECTROCHIMICA ACTA, v.56, no.14, pp.5201 - 5204 ko
dc.identifier.issn 0013-4686 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/6154 -
dc.identifier.uri http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=79956352146 ko
dc.description.abstract We demonstrate potential application of a new composite non-woven separator, which is comprised of a phase inversion-controlled, microporous polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP) gel polymer electrolyte and a polyethylene terephthalate (PET) non-woven support, to high-voltage and high-power lithium-ion batteries. In comparison to a commercialized polyethylene (PE) separator, the composite non-woven separator exhibits distinct improvements in microporous structure and liquid electrolyte wettability. Based on the understanding of the composite non-woven separator, cell performances of the separator at challenging charge/discharge conditions are investigated and discussed in terms of ion transport of the separator and AC impedance of the cell. The aforementioned advantageous features of the composite non-woven separator play a key role in providing facile ion transport and suppressing growth of cell impedance during cycling, which in turn contribute to superior cell performances at harsh charge/discharge conditions such as high voltages and high current densities. ko
dc.description.statementofresponsibility close -
dc.language ENG ko
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD ko
dc.subject Cell performance ko
dc.subject Composite non-woven separators ko
dc.subject Lithium-ion batteries ko
dc.subject Microporous Structure ko
dc.subject Polyethylene terephthalate ko
dc.subject Polyvinylidene fluoride-hexafluoropropylene ko
dc.title Potential application of microporous structured poly(vinylidene fluoride-hexafluoropropylene)/poly(ethylene terephthalate) composite nonwoven separators to high-voltage and high-power lithium-ion batteries ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-79956352146 ko
dc.identifier.wosid 000291907300040 ko
dc.type.rims ART ko
dc.description.wostc 15 *
dc.description.scopustc 15 *
dc.date.tcdate 2015-05-06 *
dc.date.scptcdate 2014-09-17 *
dc.identifier.doi 10.1016/j.electacta.2011.03.040 ko
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