申请人:Jing Naiyong
公开号:US20050131097A1
公开(公告)日:2005-06-16
A method is provided for making a crosslinked polymer electrolyte, typically in the form of a membrane for use as a polymer electrolyte membrane in an electrolytic cell such as a fuel cell, as well as the polymer so made, the method comprising application of ultraviolet radiation to a highly fluorinated fluoropolymer comprising: a backbone derived in part from tetrafluoro-ethylene monomer, first pendent groups which include a group according to the formula —SO
2
X, where X is F, Cl, Br, OH or —O
−
M
+
, where M
+
is a monovalent cation, and second pendent groups which include Br, Cl or I. Typically, the membrane has a thickness of 90 microns or less, more typically 60 or less, and most typically 30 microns or less.
本发明提供了一种制造交联聚合物电解质的方法,交联聚合物电解质通常以膜的形式存在,用作燃料电池等电解池中的聚合物电解质膜,以及所制造的聚合物,该方法包括对高氟含氟聚合物施加紫外线辐射,该聚合物包括:部分源自四氟乙烯单体的骨架,包括根据式 -SO
2
X,其中 X 是 F、Cl、Br、OH 或 -O
-
M
+
,其中 M
+
膜的厚度通常为 90 微米或以下,更典型的是 60 微米或以下,最典型的是 30 微米或以下。