To provide an inexpensive electrolyte membrane that can be used in electrochemical device applications such as a solid polymer type fuel cell, has high proton conductivity, has excellent performance in preventing permeation of methanol when used in a DMFC, and has excellent durability when operated as a fuel cell.
An electrolyte membrane comprising a crosslinked electrolyte polymer comprising as essential constituent monomers (a) a compound having a polymerizable carbon-carbon double bond and a sulfonic acid group in one molecule, or a salt thereof, and (b) a (meth)acrylamide derivative represented by a specific structural formula.
提供一种廉价的电解质膜,可用于固体聚合物型燃料电池等电
化学设备应用,具有高质子传导性,在
DMFC中使用时具有防止
甲醇渗透的优异性能,并且在作为燃料电池运行时具有优异的耐久性。一种电解质膜,包括交联电解质聚合物,其包括必要的单体组分(a)一种在一个分子中具有可聚合的碳-碳双键和
磺酸基团的化合物或其盐,以及(b)由特定结构公式表示的(甲基)
丙烯酰胺衍
生物。