Control of water-channel structure and state of water in sulfonated poly(arylene ether sulfone)/diethoxydimethylsilane in situ hybridized proton conductors and its influence on transport properties for DMFC membranes

Journal of Membrane Science

Volumn 346, Issue 1, 2010, Pages 131-135

  So, Soon Yong ^a   Hong, Young Taik ^b   Kim, Sung Chul ^a   Lee, Sang Young ^c  

^a Korea Advanced Institute of Science and Technology (KAIST)   (South Korea)

^b Korea Research Institute of Chemical Technology   (South Korea)

^c Kangwon National University   (South Korea)

Author keywords

Diethoxydimethylsilane; DMFC membranes; State of water; Sulfonated poly(arylene ether sulfone); Water channel structure

Indexed keywords

CHANNEL STRUCTURES; DIETHOXYDIMETHYLSILANE; DMFC MEMBRANES; HYBRID MEMBRANE; HYDROPHOBIC NATURE; IN-SITU; IN-SITU HYBRIDIZATION; MELTING PEAK; MEMBRANE TRANSPORT; METHANOL CROSSOVER; NEW APPROACHES; ORGANICALLY MODIFIED SILICATES; ORMOSIL; PROTON CONDUCTORS; SULFONATED POLY(ARYLENE ETHER SULFONE); WATER CHANNELS; WATER UPTAKE;

DIRECT METHANOL FUEL CELLS (DMFC); ETHERS; HYDROPHILICITY; METHANOL; ORGANIC COMPOUNDS; PROTONS; SILICATES; TRANSPORT PROPERTIES;

ION EXCHANGE MEMBRANES;

COPOLYMER; DIETHOXYDIMETHYLSILANE; POLY(ARYLENE ETHER SULFONE); SILANE DERIVATIVE; SILICATE; UNCLASSIFIED DRUG; WATER; METHANOL;

ARTICLE; ARTIFICIAL MEMBRANE; CHEMICAL STRUCTURE; CONTROLLED STUDY; DIRECT METHANOL FUEL CELL MEMBRANE; HYDROPHILICITY; IN SITU HYBRIDIZATION; MELTING POINT; PRIORITY JOURNAL; PROTON TRANSPORT; QUANTITATIVE ANALYSIS; SULFONATION; TRANSPORT KINETICS; WATER TRANSPORT; DIRECT METHANOL FUEL CELL; ENERGY RESOURCE; HYDROPHOBICITY;

EID: 70450145287     PISSN: 03767388     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.memsci.2009.09.029     Document Type: Article

References (17)

1. Steel B.C.H., and Heinzel A. Materials for fuel-cell technologies. Nature 414 (2001) 345
2. Hickner M.A., Ghassemi H., Kim Y.S., Einsla B.R., and McGrath J.E. Alternative polymer systems for proton exchange membranes (PEMs). Chem. Rev. 104 (2004) 4587
3. Hill M.L., Hill Y.S., Kim B.R., Einsla J.E., and McGrath. Zirconium hydrogen phosphate/disulfonated poly(arylene ether sulfone) copolymer composite membranes for proton exchange membrane fuel cells. J. Membr. Sci. 283 (2006) 102
4. Neburchilov V., Martin J., Wang H., and Zhang J. A review of polymer electrolyte membranes for direct methanol fuel cells. J. Power Sources 169 (2007) 221
5. ®/(organically modified silicate) nanocomposites via polymer in situ sol-gel reactions: mechanical tensile properties. J. Polym. Sci. Part B 40 (2002) 2237
6. 29Si solid-state NMR spectroscopy. Polymer 43 (2002) 2311
7. Kim Y.J., Choi W.C., Woo S.I., and Hong W.H. Proton conductivity and methanol permeation in Nafion™/ORMOSIL prepared with various organic silanes. J. Membr. Sci. 238 (2004) 213
8. Quinn F.X., Kampff E., Smyth G., and McBrierty Vi.J. Water in hydrogels. 1. A study of water in poly(N-vinyl-2-pyrrolidone/methyl methacrylate) copolymer. Macromolecules 21 (1988) 3191
9. Huanga Y.F., Chuanga L.C., Kannanb A.M., and Lin C.W. Proton-conducting membranes with high selectivity from cross-linked poly(vinyl alcohol) and poly(vinyl pyrrolidone) for direct methanol fuel cell applications. J. Power Sources 186 (2009) 22
10. Kim Y.S., Dong L., Hickner M.A., Glass T.E., Webb V., and McGrath J.E. State of water in disulfonated poly(arylene ether sulfone) copolymers and a perfluorosulfonic acid copolymer (Nafion) and its effect on physical and electrochemical properties. Macromolecules 36 (2003) 6281
11. Kim D.H., Choi J., Hong Y.T., and Kim S.C. Phase separation and morphology control of polymer blend membranes of sulfonated and nonsulfonated polysulfones for direct methanol fuel cell application. J. Membr. Sci. 299 (2007) 19
12. Kim D.H., and Kim S.C. Transport properties of polymer blend membranes of sulfonated and nonsulfonated polysulfones for direct methanol fuel cell application. Macromol. Res. 16 (2008) 457
13. Kim Y.S., Hickner M.A., Dong L., Pivovara B.S., and McGrath J.E. Sulfonated poly(arylene ether sulfone) copolymer proton exchange membranes: composition and morphology effects on the methanol permeability. J. Membr. Sci. 243 (2004) 317
14. Su Y., Liu Y., Sun Y., Lai J., Liu B., and Guiver M.D. Proton exchange membranes modified with sulfonated silica nanoparticles for direct methanol fuel cells. J. Membr. Sci. 296 (2007) 21
15. Kreuer K.D. On the development of proton conducting polymer membranes for hydrogen and methanol fuel cells. J. Membr. Sci. 185 (2001) 29
16. Peckham T.J., Schmeisser J., Rodgersab M., and Holdcroft S. Main-chain, statistically sulfonated proton exchange membranes: the relationships of acid concentration and proton mobility to water content and their effect upon proton conductivity. J. Mater. Chem. 17 (2007) 3255
17. Brinker C.J. Hydrolysis and condensation of silicates: effects on structure. J. Non-Cryst. Solids 100 (1988) 31