| DOI | Resolve DOI: https://doi.org/10.1016/j.jiec.2008.10.002 |
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| Author | Search for: Kim, Dae Sik1; Search for: Park, In Cheol; Search for: Cho, Hyun Il; Search for: Kim, Dae Hoon; Search for: Moon, Go Young; Search for: Lee, Hyung Keun; Search for: Rhim, Ji Won |
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| Affiliation | - National Research Council of Canada. NRC Institute for Chemical Process and Environmental Technology
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| Format | Text, Article |
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| Subject | hybrid membranes; proton conductivity; methanol permeability; crosslinked poly(vinyl alcohol) membranes; direct methanol fuel cell |
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| Abstract | In the present study, crosslinked poly(vinyl alcohol) (PVA) membranes were prepared using poly(styrene sulfonic acid-co-maleic acid) (PSSA_MA) (PVA:PSSA_MA = 1:7). The PSSA_MA was used both as a crosslinking agent and as a donor of the hydrophilic group (–SO3H and/or –COOH). The hybrid membranes were prepared by modified clay such as Clay Na+, Clay 30B, and Clay 15A. The thermal, water uptake, proton and methanol transport properties of the hybrid membrane were found to be sensitive to the clay type and content. The hybrid membrane with Clay 30B shows higher proton conductivity than other hybrid membranes due to hydroxyethyl group. The membrane with Clay 15A showed the lowest methanol permeability due to lower specific gravity than other clay. Compared to the membrane without modified, the PVA/PSSA_MA/Clay 15A containing 4 wt% of Clay 15A showed both high proton conductivity (0.023 S/cm) and low methanol permeability (2.19 × 10−7 cm2/s). |
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| Publication date | 2009-02-29 |
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| Publisher | Elsevier |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| NPARC number | 23004765 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 6ccb32d5-a473-427a-912f-571734c26ef7 |
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| Record created | 2018-12-18 |
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| Record modified | 2024-01-31 |
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