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Polymer electrolytes based on poly(vinylidene fluoride-co-hexafluoropropylene) nanofibrous membranes containing polymer plasticizers for lithium batteries
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- Lim, D. H. (author)
- Gyeongsang National University
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- Manuel, J. (author)
- Gyeongsang National University
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- Ahn, J. H. (author)
- Gyeongsang National University
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- (creator_code:org_t)
- Elsevier BV, 2012
- 2012
- English.
- In: Solid State Ionics. - : Elsevier BV. - 0167-2738. ; 225, s. 631-635
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Gel polymer electrolytes (GPEs) were prepared with electrospun poly(vinylidene fluoride-co-hexafluoropropylene) [P(VdF-HFP)] nanofibrous membrane containing low molecular-weight polymer plasticizers, poly(ethylene glycol) dimethyl ether (PEGDME, Mw = 250 and 500). The fibers of electrospun membrane were stacked in layers to give fully interconnected pore structure with high porosity. The porous structure acted as a good host matrix to accommodate the polymer plasticizers. Thermogravimetric analysis (TGA) and field emission scanning electron microscope (FE-SEM) were used for thermal and physical characterizations, respectively. The GPEs exhibit high electrolyte uptake, high ionic conductivity, high anodic stability, and low interfacial resistance. Ionic conductivity and electrolyte uptake increased with the decrease in molecular weight of the polymer plasticizer. Prototype cells using electrospun P(VdF-HFP) nanofibrous GPEs with polymer plasticizers showed stable cyclic performances at different C-rates.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Polymer plasticizers
- cathode
- Nanofibrous membrane
- ionic-conductivity
- liquid
- Lithium
- mechanical-properties
- Electrospinning
- Gel polymer electrolytes
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- art (subject category)
- ref (subject category)
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- Lim, D. H.
- Manuel, J.
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- Ha, J. K.
- Cho, K. K.
- Kim, K. W.
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- Chalmers University of Technology
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