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    • 5. 发明申请
    • Membrane-electrode structure for solid polymer fuel cell
    • 固体聚合物燃料电池的膜 - 电极结构
    • US20050064260A1
    • 2005-03-24
    • US10941899
    • 2004-09-16
    • Toshihiro OtsukiKohei GotoRyoichiro TakahashiYoichi Asano
    • Toshihiro OtsukiKohei GotoRyoichiro TakahashiYoichi Asano
    • H01M4/86H01M8/10H01M4/90H01M4/96H01M8/04H01M8/12
    • H01M8/1004H01M4/8605H01M2300/0082
    • Disclosed is a membrane-electrode structure for a solid polymer fuel cell comprising a pair of electrode catalyst layers and a polyeletrolyte membrane sandwiched between the electrode catalyst layers, wherein the electrode catalyst layers contain polyarylene having a sulfonic acid group, said polyarylene comprising a recurring unit represented by the following formula (A) and a recurring unit represented by the following formula (B); wherein Y is a direct bonding or a group selected from a divalent electron withdrawing group and a divalent electron donating group, Ar is a mononuclear or polynuclear aromatic group, m is an integer of 0 to 10, k is an integer of 0 to 5, l is an integer of 0 to 4, and k+1≧1; wherein R1 to R8 are each a hydrogen atom, a fluorine atom, an alkyl group, a fluorine-substituted alkyl group, an aryl group or an allyl group, W is a divalent electron withdrawing group or a direct bonding, T is a direct bonding, a divalent electron withdrawing group, a divalent electron donating group or the like, and n is an integer of 2 or more. The membrane-electrode structure for a solid polymer fuel cell of the present invention exhibits excellent electricity generation performance.
    • 公开了一种固体高分子型燃料电池用膜电极结构体,其包含一对电极催化剂层和夹在所述电极催化剂层之间的聚电解质膜,其中所述电极催化剂层含有具有磺酸基的聚亚芳基,所述聚亚芳基包含重复单元 由下式(A)表示的重复单元和由下式(B)表示的重复单元; 其中Y为直接键或选自二价吸电子基团和二价给电子基团的基团,Ar为单核或多核芳族基团,m为0〜10的整数,k为0〜5的整数, l是0〜4的整数,k + 1> = 1; 其中R 1至R 8各自为氢原子,氟原子,烷基,氟取代的烷基,芳基或烯丙基,W为二价吸电子基团或直接键合 T是直接键合,二价吸电子基团,二价给电子基团等,n为2以上的整数。 本发明的固体高分子型燃料电池用膜 - 电极结构的发电性能优异。
    • 8. 发明申请
    • Membrane-electrode assembly for fuel cell
    • 燃料电池用膜电极组件
    • US20060127728A1
    • 2006-06-15
    • US11302346
    • 2005-12-14
    • Toshihiro OtsukiNagayuki KanaokaMasaru IguchiHiroshi Soma
    • Toshihiro OtsukiNagayuki KanaokaMasaru IguchiHiroshi Soma
    • H01M8/10
    • B01D71/82B01D71/52B01D71/72B01D71/80C08G61/02C08G61/025C08G65/40C08G75/23C08G2261/3424H01M8/1025H01M8/1027H01M8/1032H01M8/1039
    • The present invention provides a membrane-electrode assembly for fuel cell which comprises a solid polymer electrolyte membrane comprising a specific polyarylene having a sulfonic acid group and has excellent creep resistance, power generation performance and durability against power generation under high-temperature environment. The membrane-electrode assembly is characterized in that a pair of electrodes each comprising a gas diffusing layer and a catalyst layer are joined to both sides of a solid polymer electrolyte membrane so that the catalyst layer side comes into contact with the membrane, said membrane comprises a sulfonated polyarylene comprising constituent unit represented by the following formula (1): wherein Y is a group represented by —C(CF3)2—, (CF2)i—, wherein i is an integer of 1 to 10, —SO— or —SO2—; Z is a divalent electron-donating group or a direct bond; Ar is an aromatic group having a substituent represented by —SO3H; m is an integer of 0 to 10; n is an integer of 0 to 10; and k is an integer of 1 to 4.
    • 本发明提供一种燃料电池用膜电极接合体,其包含具有磺酸基的特定聚亚芳基的固体高分子电解质膜,在高温环境下具有优异的抗蠕变性,发电性能和耐发电性。 膜 - 电极组件的特征在于,在固体聚合物电解质膜的两面上接合包括气体扩散层和催化剂层的一对电极,使得催化剂层侧与膜接触,所述膜包含 包含由下式(1)表示的构成单元的磺化聚亚芳基:其中Y是由-C(CF 3)2 - 表示的基团,(CF 3) 其中i为1〜10的整数,-SO - 或-SO 2 - ; - Z是二价给电子基团或直接键; Ar是具有由-SO 3 H 3表示的取代基的芳香族基团; m为0〜10的整数。 n为0〜10的整数。 k为1〜4的整数。