本文研究了聚丙烯腈-磷酸(PAN-xH3PO4)复合质子交换膜的结构、聚合物与酸之间的相互作用、甲醇渗透性能以及质子导电性能.结果表明,PAN-xH3PO4复合膜与Nafion膜的甲醇渗透率相差不大,但是比聚丙烯腈膜的甲醇渗透率高两个数量级左右,而且随甲醇浓度增加而增加;PAN-xH3PO4复合膜具有较好的质子导电能力,电导率随频率(时间)的变化很小,其质子导电性能主要依赖于聚合物与酸的相互作用.
参考文献
| [1] | Petty-Weeks S;Zupancic;Swedo J R.[J].Solid State Ionics,1988:117-125. |
| [2] | Wirguin C H .[J].Journal of Membrane Science,1996,120:1-33. |
| [3] | Lassegues J L.Proton Conductors[M].Cambridge:Cambridge University Press,1992:311-328. |
| [4] | Rodriguez D;Jegat O;Grondin.[J].Solid State Ionics,1993:195-202. |
| [5] | Wieczorek W.;Stevens JR. .PROTON TRANSPORT IN POLYACRYLAMIDE BASED HYDROGELS DOPED WITH H3PO4 OR H2SO4[J].Polymer: The International Journal for the Science and Technology of Polymers,1997(9):2057-2065. |
| [6] | Pivovar B S;Wang Y X;Cussler E L .[J].Journal of Membrane Science,1999,154:155-162. |
| [7] | Pu HT.;Meyer WH.;Wegner G. .Proton transport in polybenzimidazole blended with H3PO4 or H2SO4[J].Journal of Polymer Science, Part B. Polymer Physics,2002(7):663-669. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%