公开(公告)号：EP1619739B1

公开(公告)日：2010-09-22

申请号：EP05015000.2

申请日：2005-07-11

申请人： Honda Motor Co., Ltd.

发明人： Kanaoka, Nagayuki ,  Iguchi, Masaru ,  Sohma, Hiroshi

IPC分类号： H01M8/10 ,  C08J5/22 ,  C25B9/10

CPC分类号： C08J5/2256 ,  C08J2371/12 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039 ,  H01M2300/0082

公开(公告)号：EP1619739A3

公开(公告)日：2007-02-28

申请号：EP05015000.2

申请日：2005-07-11

申请人： Honda Motor Co., Ltd.

发明人： Kanaoka, Nagayuki ,  Iguchi, Masaru ,  Sohma, Hiroshi

IPC分类号： H01M8/10 ,  C08J5/22 ,  C25B9/10

CPC分类号： C08J5/2256 ,  C08J2371/12 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039 ,  H01M2300/0082

摘要： A membrane-electrode structure for a solid polymer fuel cell excellent in power generation performance and durability and a solid polymer fuel cell comprising the membrane-electrode structure are provided. In the membrane-electrode structure for a solid polymer fuel cell in which the polymer electrolyte membrane 2 is sandwiched between a pair of electrodes 1 containing a catalyst, the polymer electrolyte membrane 1 comprises a constituent unit (A) which has an ion conductive moiety consisting of a sulfonic acid group and is represented by the following general formula (I) and a constituent unit (B) consisting only of a non-ion conductive moiety which has a number average molecular weight in the range of 1,000 to 12,000 measured by gel permeation chromatography and is represented by the following general formula (II). The above-mentioned copolymer is a block copolymer in which the constituent unit (A) and the constituent unit (B) are covalently bonded. The solid polymer fuel cell comprises the above-mentioned membrane-electrode structure for a solid polymer fuel cell.

(wherein Y represents a divalent electron withdrawing group; Z represents a divalent electron donating group or a direct bond; Ar represents an aromatic group having a substitutent represented by -SO 3 H; m represents an integer of 0 to 10; n represents an integer of 0 to 10; and k represents an integer of 1 to 4.)

(wherein R 1 to R 8 , which may be the same or different, each represent at least one atom or group selected from the group consisting of a hydrogen atom, a fluorine atom, an alkyl group, a fluorine substituted alkyl group, an allyl group, an aryl group and a cyano group; W represents a divalent electron withdrawing group or a single bond; T represents a single bond or a divalent organic group and p represents 0 or a positive integer).

公开(公告)号：EP1619739A2

公开(公告)日：2006-01-25

申请号：EP05015000.2

申请日：2005-07-11

申请人： Honda Motor Co., Ltd.

发明人： Kanaoka, Nagayuki ,  Iguchi, Masaru ,  Sohma, Hiroshi

IPC分类号： H01M8/10 ,  C08J5/22 ,  C25B9/10

CPC分类号： C08J5/2256 ,  C08J2371/12 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039 ,  H01M2300/0082

摘要： A membrane-electrode structure for a solid polymer fuel cell excellent in power generation performance and durability and a solid polymer fuel cell comprising the membrane-electrode structure are provided. In the membrane-electrode structure for a solid polymer fuel cell in which the polymer electrolyte membrane 2 is sandwiched between a pair of electrodes 1 containing a catalyst, the polymer electrolyte membrane 1 comprises a constituent unit (A) which has an ion conductive moiety consisting of a sulfonic acid group and is represented by the following general formula (I) and a constituent unit (B) consisting only of a non-ion conductive moiety which has a number average molecular weight in the range of 1,000 to 12,000 measured by gel permeation chromatography and is represented by the following general formula (II). The above-mentioned copolymer is a block copolymer in which the constituent unit (A) and the constituent unit (B) are covalently bonded. The solid polymer fuel cell comprises the above-mentioned membrane-electrode structure for a solid polymer fuel cell.

(wherein Y represents a divalent electron withdrawing group; Z represents a divalent electron donating group or a direct bond; Ar represents an aromatic group having a substitutent represented by -SO 3 H; m represents an integer of 0 to 10; n represents an integer of 0 to 10; and k represents an integer of 1 to 4.)

(wherein R 1 to R 8 , which may be the same or different, each represent at least one atom or group selected from the group consisting of a hydrogen atom, a fluorine atom, an alkyl group, a fluorine substituted alkyl group, an allyl group, an aryl group and a cyano group; W represents a divalent electron withdrawing group or a single bond; T represents a single bond or a divalent organic group and p represents 0 or a positive integer).

摘要翻译： 提供了发电性能和耐久性优异的固体高分子型燃料电池用膜电极结构体和具有膜 - 电极结构的固体高分子型燃料电池。 在聚合物电解质膜2夹在含有催化剂的一对电极1之间的固体高分子型燃料电池用膜 - 电极结构体中，高分子电解质膜1包含具有离子导电性部分的构成单元（A） 的磺酸基，并且由以下通式（I）表示的构成单元（B）和仅由通过凝胶渗透测定的数均分子量为1,000〜12,000的非离子导电性部分构成的单元（B） 由以下通式（II）表示。 上述共聚物是其中构成单元（A）和构成单元（B）共价键合的嵌段共聚物。 固体聚合物燃料电池包括上述用于固体聚合物燃料电池的膜 - 电极结构。 （其中Y表示二价吸电子基团; Z表示二价给电子基团或直接键合; Ar表示-SO 3 H表示的具有取代基的芳香族基团，m表示0〜10的整数，n表示整数 0〜10; k表示1〜4的整数）（式中，R 1〜R 8可以相同或不同，表示选自氢原子， 氟原子，烷基，氟取代的烷基，烯丙基，芳基和氰基; W表示二价吸电子基团或单键; T表示单键或二价有机基团，p表示 表示0或正整数）。