Preparation and performance of sulfonated polyimide/Nafion multilayer membrane for proton exchange membrane fuel cell
| Autor: | Hung-Wei Shiu, Chi-Hung Lee, Chao-Chieh Lin, Wan-Fu Lien, Yen-Zen Wang |
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| Rok vydání: | 2012 |
| Předmět: |
Thermogravimetric analysis
Materials science Renewable Energy Sustainability and the Environment animal diseases Energy Engineering and Power Technology Proton exchange membrane fuel cell biochemical phenomena metabolism and nutrition chemistry.chemical_compound Membrane Chemical engineering chemistry Nafion Reagent Polymer chemistry bacteria Electrical and Electronic Engineering Physical and Theoretical Chemistry Fourier transform infrared spectroscopy Layer (electronics) Polyimide |
| Zdroj: | Journal of Power Sources. 200:1-7 |
| ISSN: | 0378-7753 |
| Popis: | A novel and simple thermal imidization method is used to prepare the sulfonated polyimide/Nafion multilayer (NF-SPI-NF) membrane from sulfonated polyimide (SPI) and Nafion-containing solution (Na + form). The NF-SPI-NF membrane is prepared by immersing a sulfonated poly(amic acid) (SPAA) membrane into the Nafion-containing solution followed by thermal imidization via solvent evaporation. This Nafion is firmly adhered to either side of the SPI membrane via thermal imidization. The prepared membranes are characterized by Fourier transform infrared spectroscopy (FT-IR), thermogravimetric analysis (TGA) and proton conductivity. The membranes are immersed in Fenton's reagent at room temperature to test their oxidative stability and the durability of a single proton exchange membrane fuel cell (PEMFC) system. Analytical results show a marked improvement in NF-SPI-NF membrane stability by adding Nafion layer comparing with that of native SPI membrane. The performance of PEMFC with the NF-SPI-NF membrane is similar to that of PEMFC with the commercially available Nafion 212 at 70 °C. |
| Databáze: | OpenAIRE |
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