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dc.contributor.author Gong, Seokhyeon -
dc.contributor.author Jeon, Hyunkyu -
dc.contributor.author Lee, Hoogil -
dc.contributor.author Ryou, Myung-Hyun -
dc.contributor.author Lee, Yong Min -
dc.date.available 2017-11-26T08:02:59Z -
dc.date.created 2017-11-01 -
dc.date.issued 2017-05 -
dc.identifier.issn 1944-8244 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/4727 -
dc.description.abstract To improve the rate capability and safety of lithium-ion batteries (LIBs), we developed an integrated separator/electrode by gluing polyethylene (PE) separators and electrodes using a polymeric adhesive (poly(vinylidene fluoride), PVdF). To fabricate thin and uniform polymer coating layers on the substrate, we applied the polymer solution using a spray-coating technique. PVdF was chosen because of its superior mechanical properties and stable electrochemical properties within the voltage range of commercial LIBs. The integrated separator/electrode showed superior thermal stability compared to that of the control PE separators. Although PVdF coating layers partially blocked the porous structures of the PE separators, resulting in reduced ionic conductivity (control PE = 0.666 mS cm-1, PVdF-coated PE = 0.617 mS cm-1), improved interfacial properties between the separators and the electrodes were obtained due to the intimate contact, and the rate capabilities of the LIBs based on integrated separators/electrodes showed 176.6% improvement at the 7 C rate (LIBs based on PVdF-coated and control PE maintained 48.4 and 27.4% of the initial discharge capacity, respectively). © 2017 American Chemical Society. -
dc.language English -
dc.publisher American Chemical Society -
dc.title Effects of an Integrated Separator/Electrode Assembly on Enhanced Thermal Stability and Rate Capability of Lithium-Ion Batteries -
dc.type Article -
dc.identifier.doi 10.1021/acsami.7b00044 -
dc.identifier.scopusid 2-s2.0-85020028715 -
dc.identifier.bibliographicCitation ACS Applied Materials & Interfaces, v.9, no.21, pp.17814 - 17821 -
dc.description.isOpenAccess FALSE -
dc.subject.keywordAuthor separator-integrated electrode -
dc.subject.keywordAuthor electrode-integrated separator -
dc.subject.keywordAuthor integration -
dc.subject.keywordAuthor thermal shrinkage -
dc.subject.keywordAuthor lithium-ion batteries -
dc.subject.keywordPlus Binders -
dc.subject.keywordPlus Carbonate -
dc.subject.keywordPlus Cells -
dc.subject.keywordPlus Coatings -
dc.subject.keywordPlus Composite Separators -
dc.subject.keywordPlus Cycling Performance -
dc.subject.keywordPlus Electric Batteries -
dc.subject.keywordPlus Electric Discharges -
dc.subject.keywordPlus Electrode Integrated Separator -
dc.subject.keywordPlus Electrodes -
dc.subject.keywordPlus Initial Discharge Capacities -
dc.subject.keywordPlus Integrated Electrodes -
dc.subject.keywordPlus Integration -
dc.subject.keywordPlus Interfacial Property -
dc.subject.keywordPlus Ions -
dc.subject.keywordPlus Layer -
dc.subject.keywordPlus Li Ion -
dc.subject.keywordPlus Lithium -
dc.subject.keywordPlus Lithium Ion Batteries -
dc.subject.keywordPlus Lithium Compounds -
dc.subject.keywordPlus Plastic Coatings -
dc.subject.keywordPlus Poly(Vinylidene Fluoride) -
dc.subject.keywordPlus Polyethylene Separators -
dc.subject.keywordPlus Polymeric Adhesive -
dc.subject.keywordPlus Rate Capabilities -
dc.subject.keywordPlus Secondary Batteries -
dc.subject.keywordPlus Separator Integrated Electrode -
dc.subject.keywordPlus Separators -
dc.subject.keywordPlus Spray Coating Techniques -
dc.subject.keywordPlus Temperature -
dc.subject.keywordPlus Thermal Shrinkage -
dc.subject.keywordPlus Thermodynamic Stability -
dc.citation.endPage 17821 -
dc.citation.number 21 -
dc.citation.startPage 17814 -
dc.citation.title ACS Applied Materials & Interfaces -
dc.citation.volume 9 -
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Department of Energy Science and Engineering Battery Materials & Systems LAB 1. Journal Articles

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