申请人:HONDA GIKEN KOGYO KABUSHIKI KAISHA, JSR CORPORATION
公开号:US20020172850A1
公开(公告)日:2002-11-21
A composite polymer electrolyte membrane is formed from a first polymer electrolyte comprising a sulfonated polyarylene polymer and a second polymer electrolyte comprising another hydrocarbon polymer electrolyte. In the first polymer electrolyte, 2-70 mol % constitutes an aromatic compound unit with an electron-attractive group in its principal chain, while 30-98 mol % constitutes an aromatic compound unit without an electron-attractive group in its principal chain. The second polymer electrolyte is a sulfonated polyether or sulfonated polysulfide polymer electrolyte. The composite polymer electrolyte membrane is formed from a matrix comprising the first polymer electrolyte selected from among sulfonated polyarylene polymers and having an ion exchange capacity in excess of 1.5 meq/g but less than 3.0 meq/g, which is supported on a reinforcement comprising the second polymer electrolyte having an ion exchange capacity in excess of 0.5 meq/g but less than 1.5 meq/g. The polymer electrolyte membrane comprises a polyarylene polymer sulfonated so that the Q value is within the range 0.09-0.18 C/cm
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一种复合聚合物电解质膜由第一种聚合物电解质和第二种聚合物电解质组成,第一种聚合物电解质由磺化聚芳烃聚合物组成,第二种聚合物电解质由另一种烃类聚合物电解质组成。在第一种聚合物电解质中,2-70 摩尔% 的芳香族化合物单元在其主链中带有电子吸引基,而 30-98 摩尔% 的芳香族化合物单元在其主链中不带有电子吸引基。第二种聚合物电解质是磺化聚醚或磺化聚硫聚合物电解质。复合聚合物电解质膜由基体形成,基体包括从磺化聚芳基聚合物中选出的第一种聚合物电解质,其离子交换容量超过 1.5 meq/g,但小于 3.0 meq/g,基体支撑在由第二种聚合物电解质组成的增强体上,第二种聚合物电解质的离子交换容量超过 0.5 meq/g,但小于 1.5 meq/g。聚合物电解质膜由聚芳基聚合物磺化而成,其 Q 值在 0.09-0.18 C/cm 范围内。
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