申请人:Ballard Power Systems Inc.
公开号:US20030078308A1
公开(公告)日:2003-04-24
Ion-exchange materials comprising a polymeric backbone and a plurality of pendent styrenic or fluorinated styrenic macromonomers covalently bonded thereto, wherein the plurality of pendent styrenic or fluorinated styrenic macromonomers comprise a uniform number of styrenic or fluorinated styrenic monomer repeat units, and wherein predominantly all of the styrenic or fluorinated styrenic monomer repeat units have at least one charged group. Processes for making such materials, as well as products related thereto, are also disclosed. In a representative embodiment, the ion-exchange material is utilized as a proton-exchange membrane (PEM) for use in a PEM fuel cell.
离子交换材料,包括聚合物骨架和与其共价键合的多个下垂苯乙烯或氟化苯乙烯大单体,其中多个下垂苯乙烯或氟化苯乙烯大单体包括数量一致的苯乙烯或氟化苯乙烯单体重复单元,并且主要是所有苯乙烯或氟化苯乙烯单体重复单元具有至少一个带电基团。此外,还公开了制造此类材料的工艺以及相关产品。在一个代表性的实施方案中,离子交换材料被用作质子交换膜(PEM),用于 PEM 燃料电池。