期刊
SOLID STATE IONICS
卷 319, 期 -, 页码 141-147出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2018.02.018
关键词
Fuel cells; Proton exchange membrane; Novel sulfonated diamine; Polylmide
资金
- Higher Education Commission of Pakistan
- Chinese Academy of Sciences for Presidential's International fellowship Initiative award [PIFI VSB 0001]
Sodium 2-(2, 3-bis (4-aminophenyl) propyl) benzenesulphonate (APBS), a novel sulfonated diamine (NSDA) was synthesized and characterized by C-13 NMR. NSDA along with 4,4'-oxydianiline (ODA) and 4,4'-oxydiphthalic anhydride (OPDA) were used for the synthesis of novel sulfonated polyimide (NSPI) thin film through the random copolymerization process via two-step classical method: (1) synthesis of sulfonated poly(amic acid) (SPAA), the precursor; (2) thermal imidization of SPAA film. Novel sulfonated polyimide (NSPI) with a pendant sulfonic acid group was fabricated by the use of this novel NSDA. The imidization of novel NSPI membrane was confirmed by FTIR spectroscopy. Thermal stability, water uptake, ion exchange capacity, hydrolytic and oxidative stabilities were also studied. Relatively high proton conductivity even at 110 degrees C, makes this SPI membrane suitable to be used as a polymer electrolyte membrane for fuel cell.
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