Preparation and Characterization of Porous PVdF-HFP/clay Nanocomposite Membranes

Abstract

Abstract:

Polyvinylidene fluoride-hexafluoropropylene (PVdF-HFP) / clay nanocomposite membranes were prepared by phase inversion method through controlling retention time to apply for a lithium ion secondary batteries. Increased membrane porosity with macrovoids was observed at increasing retention time. Partially intercalated structures of PVdF-HFP/clay nanocomposite membranes were confirmed by X-ray diffraction (XRD) analysis. PVdF-HFP membranes containing various kind of clay showed the increase of membrane modulus compared to the pristine PVdF-HFP membrane.

Key words: PVdF-HFP, Porosity, Mechanical properties, Clay, Separator

Mi Jin Koh Hae Young Hwang Deuk Ju Kim Hyeng Jun Kim Young Taik Hong. Preparation and Characterization of Porous PVdF-HFP/clay Nanocomposite Membranes[J]. J Mater Sci Technol, 2010, 26(7): 633-638.

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