| 학회 | 한국화학공학회 |
| 학술대회 | 2014년 봄 (04/23 ~ 04/25, 창원컨벤션센터) |
| 권호 | 20권 1호, p.1108 |
| 발표분야 | 지속 성장을 위한 신소재 심포지엄 |
| 제목 | 지속성장 가능한 PAEK 기반 연료전지막 합성 및 특성(Synthesis and properties of sustainable fuel cell electrolyte membranes based on sulfonated poly(arylene ether ketone) |
| 초록 | Poly(arylene ether ketone) was synthesized in a variety of chemical structure for the application in fuel cell electrolyte membranes. Ce3+ ion was introduced along with 18-crown-6-ether to the membranes in order to enhance the anti-oxidation property of the membranes, as it quenches the hydroxyl radicals, the major oxidation promoter, in fuel cell operation. The chemical and physical structures of the composite membranes were investigated usingFTIR,1H-NMR, SEM, EDX, and SAXS. According to Fenton's test, the pristine sPEEK membrane was completely degraded by oxidation in 24h but the composite membranes containing Ce3+/18-crown-6-ether complex was stable up to 70 h without any degradation. As the concentration of Ce3+ ions increased, the ion cluster dimension of the membranes decreased and thus reduced the proton conductivity. Other properties such as thermal and mechanical stability and water uptake were not noticeably affected at the low concentration of Ce3+ up to 2 mole % based on sulfonic acid groups. |
| 저자 | 김덕준 |
| 소속 | 성균관대 |
| 키워드 | membrane ; polymer electrolyte ; fuel cell |
| VOD | VOD 보기 |
| 원문파일 | 초록 보기 |
