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目前直接甲醇燃料电池(DMFC)广泛使用的质子交换膜是Dupont公司生产的Nafion?系列膜,Nafion?膜的全氟主链具有良好的化学稳定性和机械性能,然而全氟主链的疏水特性和作为导质子基团的磺酸根侧链的亲水特性使磺酸根以中空的团簇形式存在[1],这种团簇相连形成的通道使Nafion?膜对
Proton exchange membranes, which are widely used in direct methanol fuel cells (DMFCs), are Nafion® membranes produced by DuPont. The perfluorinated backbone of Nafion membranes has good chemical and mechanical properties. However, the hydrophobic properties of perfluorinated main chains And the hydrophilic nature of the sulfonate side chain as a proton-accepting group causes the sulfonate to exist in the form of hollow clusters [1], and the channels formed by the association of such clusters allow the Nafion® membrane pair