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http://dx.doi.org/10.5229/JKES.2005.8.4.177

Liquid Uptake and Methanol Transport Behaviour of PVDF/SPEEK/TiO2 Hybrid Membrane for DMFC  

You, Sun-Kyung (Department of Industrial Chemical Engineering, Chungbuk National University)
Kim, Han-Joo (Department of Industrial Chemical Engineering, Chungbuk National University)
Park, Soo-Gil (Department of Industrial Chemical Engineering, Chungbuk National University)
Publication Information
Journal of the Korean Electrochemical Society / v.8, no.4, 2005 , pp. 177-180 More about this Journal
Abstract
A series of inorganic-organic hybrid membranes were prepared with a systematic variation of titanium dioxide nano particles content. Their liquid uptake, methanol permeability and proton conductivity as a function of inorganic oxide content were investigated. The results obtained show that the inorganic oxide network decreases the proton conductivity and liquid uptake. It is also found that increase in inorganic oxide content leads to decrease of methanol permeability. In terms of the morphology, membranes are homogeneous and exhibit a good adhesion between inorganic domains and the polymer matrix. The properties of the composite membranes are compared with the standard nafion membrane.
Keywords
SPEEK; $TiO_2$; Liquid uptake; Methanol permeability;
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Times Cited By KSCI : 1  (Citation Analysis)
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