PVA改性离子交换膜对乙醇渗透性的研究
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摘要
制备以正硅酸乙酯(TEOS)/戊二醛(GA)交联杂化改性的聚乙烯醇(PVA),将其作为燃料电池(ADEFC)的阴离子交换膜,测试了不同温度下PVA/TEOS/GA杂化膜的乙醇渗透率。结果表明,杂化膜具有很好的阻醇性能,对乙醇的渗透率在1×10-8~4×10-8 cm2/s范围内,是纯PVA膜的1%,并且阻醇性优于Nafion膜和其他离子交换膜。
Preparation of TEOS(TEOS) / glutaraldehyde(GA) crosslinking hybrid-modified polyvinyl alcohol(PVA), as a fuel cell(ADEFC) anion exchange membranes were tested at different temperatures under PVA / TEOS / GA hybrid ethanol permeability of the membrane. The results showed that the hybrid membrane has good alcohol resistance performance, penetration of ethanol in the 1 × 10-8 ~ 4 × 10-8 cm2 / s range, is 1% pure PVA film, and excellent resistance alcoholic in Nafion membranes and other ion exchange membranes.
Preparation of TEOS(TEOS) / glutaraldehyde(GA) crosslinking hybrid-modified polyvinyl alcohol(PVA), as a fuel cell(ADEFC) anion exchange membranes were tested at different temperatures under PVA / TEOS / GA hybrid ethanol permeability of the membrane. The results showed that the hybrid membrane has good alcohol resistance performance, penetration of ethanol in the 1 × 10-8 ~ 4 × 10-8 cm2 / s range, is 1% pure PVA film, and excellent resistance alcoholic in Nafion membranes and other ion exchange membranes.
引文
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[2]Smith A B,Sridhar S,Khan A.Solid polymer electrolyte membranes for fuel cell applications—a review[J].Journal of Membrane Science,2005,259(1):10-26.
[3]Varcoe J R,Slade R C.Prospects for Alkaline Anion-Exchange Membranes in Low Temperature Fuel Cells[J].Fuel cells,2005,5(2):187-200.
[4]Basri S,Kamarudin S K,Daud R W,et al.Nanocatalyst for direct methanol fuel cel(lDMFC)[J].Int J Hydrogen Energy,2010,35(15).
[5]Sahin O,Kivrak H.A comparative study of electrochemical methods on Pt-Ru DMFC anode catalysts:The effect of Ru addition[J].Int J Hydrogen Energy,2013,38(2).
[6]徐帅.用于直接甲醇燃料电池的新型侧链型阴离子交换膜材料的制备与性能研究[D].长春:吉林大学,2013.
[7]衣宝廉.燃料电池——高效,环境友好的发电方式[M].北京:化学工业出版社,2000.