Polymer electrolyte membrane (PEM) is one of the most important integral parts of PEMFC.Membranes currently used in PEMFC are perfluorinated polymers such as Dupont Nafion.

• 而现有的PEMFC所使用的全氟磺酸质子交换膜由于以下几个缺点阻碍着它的商业化进程:高成本;