Preparation and characterization of new microporous stretched membrane for lithium rechargeable battery

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The microporous membrane based on poly(vinylidene fluoride) (PVdF) is prepared with phase inversion method. In addition to phase inversion process, solvent pre-evaporation and uni-axial stretching processes were introduced to enhance tensile strength and ionic conductivity of the membrane. The tensile strength of the membrane after 200% stretching was about 52 MPa, which is four times higher than that of the membrane without stretching. The ionic conductivity of the membrane soaked with liquid electrolyte was also increased from 6.1 x 10(-5) to 8.6 x 10(-4) S cm(-1) at room temperature by taking the stretching process. (c) 2006 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2006-12
Language
English
Article Type
Article; Proceedings Paper
Keywords

SEPARATOR; PVDF

Citation

JOURNAL OF POWER SOURCES, v.163, no.1, pp.247 - 251

ISSN
0378-7753
URI
http://hdl.handle.net/10203/89172
Appears in Collection
CBE-Journal Papers(저널논문)
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