Continuous channels created by self-assembly of ionic cross-linked polysiloxane-Nafion nanocompositesElectronic supplementary information (ESI) available: Experimental section; solid-state NMR spectra; XPS spectra; ATR/FTIR spectra; oxidative stability and photos. See DOI: 10.1039/c2py20203d
Ionically cross-linked ionomers have been developed via sol-gel chemistry by introducing poly(vinylimidazole)-functionalized mercaptopropyltrimethoxysilane into Nafion. The cross-linked polysiloxane framework endows the membrane with homogeneity and good stability. The ionical cross-linking enables...
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| Main Authors | , , , |
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| Format | Journal Article |
| Language | English |
| Published |
03.07.2012
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| Abstract | Ionically cross-linked ionomers have been developed
via
sol-gel chemistry by introducing poly(vinylimidazole)-functionalized mercaptopropyltrimethoxysilane into Nafion. The cross-linked polysiloxane framework endows the membrane with homogeneity and good stability. The ionical cross-linking enables the self-assembly between the inorganic framework and Nafion, which produces concentrated and inter-connected channels. This structure offers a practicably effective blocking effect to minimize the methanol cross-over problem in DMFCs, and improves the power output by 35% in comparison with a commercial Nafion membrane.
Continuous channels created by self-assembly of imidazole-anchored polysiloxane and Nafion were found to effectively enhance proton transportation. |
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| AbstractList | Ionically cross-linked ionomers have been developed
via
sol-gel chemistry by introducing poly(vinylimidazole)-functionalized mercaptopropyltrimethoxysilane into Nafion. The cross-linked polysiloxane framework endows the membrane with homogeneity and good stability. The ionical cross-linking enables the self-assembly between the inorganic framework and Nafion, which produces concentrated and inter-connected channels. This structure offers a practicably effective blocking effect to minimize the methanol cross-over problem in DMFCs, and improves the power output by 35% in comparison with a commercial Nafion membrane.
Continuous channels created by self-assembly of imidazole-anchored polysiloxane and Nafion were found to effectively enhance proton transportation. |
| Author | Shen, Yu-Cheng Kuo, Ping-Lin Chen, Wei-Fu Hsu, Huang-Ming |
| AuthorAffiliation | Chemistry Department National Cheng Kung University Department of Chemical Engineering Brookhaven National Laboratory |
| AuthorAffiliation_xml | – name: Department of Chemical Engineering – name: Chemistry Department – name: Brookhaven National Laboratory – name: National Cheng Kung University |
| Author_xml | – sequence: 1 givenname: Wei-Fu surname: Chen fullname: Chen, Wei-Fu – sequence: 2 givenname: Yu-Cheng surname: Shen fullname: Shen, Yu-Cheng – sequence: 3 givenname: Huang-Ming surname: Hsu fullname: Hsu, Huang-Ming – sequence: 4 givenname: Ping-Lin surname: Kuo fullname: Kuo, Ping-Lin |
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| ContentType | Journal Article |
| DOI | 10.1039/c2py20203d |
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| Notes | Electronic supplementary information (ESI) available: Experimental section; solid-state NMR spectra; XPS spectra; ATR/FTIR spectra; oxidative stability and photos. See DOI 10.1039/c2py20203d |
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| Snippet | Ionically cross-linked ionomers have been developed
via
sol-gel chemistry by introducing poly(vinylimidazole)-functionalized mercaptopropyltrimethoxysilane... |
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| Title | Continuous channels created by self-assembly of ionic cross-linked polysiloxane-Nafion nanocompositesElectronic supplementary information (ESI) available: Experimental section; solid-state NMR spectra; XPS spectra; ATR/FTIR spectra; oxidative stability and photos. See DOI: 10.1039/c2py20203d |
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