纳米Au-Nafion自组装阻醇质子交换膜的制备与性能

稀有金属材料与工程, 2007, 36(1): 134-137.

纳米Au-Nafion自组装阻醇质子交换膜的制备与性能

宛朝辉 ^1, , 唐浩林 ^2, , 潘牧 ^3, , 木士春 ^4, , 袁润章 ^5,

1.武汉理工大学,材料复合新技术国家重点实验室,湖北,武汉,430070

2.武汉理工大学,材料复合新技术国家重点实验室,湖北,武汉,430070

3.武汉理工大学,材料复合新技术国家重点实验室,湖北,武汉,430070

4.武汉理工大学,材料复合新技术国家重点实验室,湖北,武汉,430070

5.武汉理工大学,材料复合新技术国家重点实验室,湖北,武汉,430070

基金项目: 高等学校博士学科点专项科研项目(20020497001) 国家自然科学基金(20576106)

关键词： DMFC , 甲醇渗透 , 质子交换膜 , 自组装 , Au纳米颗粒

Synthesis and Performance of Au Nanoparticles Self-Assembly Methanol-Blocking Proton Exchange Membrane

采用醇还原的方法合成了聚阳离子(聚二烯丙基二甲基氯化铵,PDDA),颗粒的zeta电位为+32 mV,粒径约4 nm.在静电引力作用下将聚阳离子修饰的金颗粒组装到NafionTM212膜表面制成抗甲醇渗透质子交换膜.在60℃,2 mol/L的甲醇溶液中,甲醇渗透电流由168 mA/cm2下降到18 mA/cm2,其组装的单电池具有更好的开路电压和输出性能.

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材料期刊网

纳米Au-Nafion自组装阻醇质子交换膜的制备与性能

Synthesis and Performance of Au Nanoparticles Self-Assembly Methanol-Blocking Proton Exchange Membrane

参考文献