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나노 구조 물리 연구단
나노구조물리 연구단
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Cross-linked poly(vinylidene fluoride-cohexafluoropropene) (PVDF-co-HFP) gel polymer electrolyte for flexible li-ion battery integrated with organic light emitting diode (OLED)

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Title
Cross-linked poly(vinylidene fluoride-cohexafluoropropene) (PVDF-co-HFP) gel polymer electrolyte for flexible li-ion battery integrated with organic light emitting diode (OLED)
Author(s)
Ilhwan Kim; Bong Sung Kim; Seunghoon Nam; Hoo-Jeong Lee; Ho Kyoon Chung; Sung Min Cho; Thi Hoai Thuong Luu; Seungmin Hyun; Chiwon Kang
Publication Date
2018-04
Journal
Materials, v.11, no.4, pp.543 -
Publisher
MDPI AG
Abstract
Here, we fabricate poly(vinylidene fluoride-co-hexafluoropropene) (PVDF-co-HFP) by electrospinning for a gel polymer electrolyte (GPE) for use in flexible Li-ion batteries (LIBs). As a solvent, we use N-methyl-2-pyrrolidone (NMP), which helps produce the cross-linked morphology of PVDF-co-HFP separator, owing to its low volatility. The cross-linked PVDF-co-HFP separator shows an uptake rate higher than that of a commercialized polypropylene (PP) separator. Moreover, the PVDF-co-HFP separator shows an ionic conductivity of 2.3 × 10-3 S/cm at room temperature, comparable with previously reported values. An LIB full-cell assembled with the PVDF-co-HFP-based GPE shows capacities higher than its counterpart with the commercialized PP separator, confirming that the cross-linked PVDF-co-HFP separator provides highly efficient ionic conducting pathways. In addition, we integrate a flexible LIB cell using the PVDF-co-HFP GPE with a flexible organic light emitting diode (OLED), demonstrating a fully flexible unit of LIB and OLED. © 2018 by the authors
URI
https://pr.ibs.re.kr/handle/8788114/4582
ISSN
1996-1944
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > Journal Papers (저널논문)
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