화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.17, No.2, 170-173, March, 2011
DOI10.1016/j.jiec.2011.02.024  Export Citation
Preparation and characterization of Nafion/sPOSS polyelectrolyte nanocomposite membranes for direct methanol fuel cell applications
Sung Hyun Kim, and Kigook Song†
  • Department of Advanced Materials Engineering for Information & Electronics, Materials Research Center for Information Display, Kyung Hee University, Youngin, Gyeonggi-do 449-701, Republic of Korea
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The synthesis of organic-inorganic polyelectrolyte nanocomposite membranes (PNMs) for fuel cell applications was demonstrated by use of the solvent casting method after mixing Nafion solutions with nanostructured sulfonated polyhedral oligomeric silsesquioxane (sPOSS) fillers. Nafion/sPOSS PNMs were prepared with a sPOSS content in the range of 0-10 wt%. It was found that both the proton conductivities and themethanol suppressing properties were improved by increasing the sPOSS content. Such improvements were correlated with changes in the Nafion cluster size by introducing inorganic sPOSS nanofillers.
Keywords:Proton conductivity;Methanol permeability;Membrane;Nafion;DMFC
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