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    • 6. 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。
    • 8. 发明授权
    • Electrode structure for polymer electrolyte fuel cell comprising sulfonated polyarylene-based polymer and method for manufactuing same
    • 包含磺化聚亚芳基聚合物的聚合物电解质燃料电池的电极结构及其制造方法
    • US08114552B2
    • 2012-02-14
    • US11723436
    • 2007-03-20
    • Yuichiro HamaMasaru IguchiJunichi YanoNagayuki KanaokaNaoki Mitsuta
    • Yuichiro HamaMasaru IguchiJunichi YanoNagayuki KanaokaNaoki Mitsuta
    • H01M8/10
    • H01M4/8828H01M4/8807H01M4/8882H01M4/92H01M4/926H01M8/1004H01M8/1025H01M8/1039Y02P70/56
    • There is provided an electrode structure for a polymer electrolyte fuel cell having excellent power generation performance and excellent durability and a method for manufacturing the same. Also provided is a polymer electrolyte fuel cell including the electrode structure and an electrical apparatus and a transport apparatus using the polymer electrolyte fuel cell. The electrode structure includes a polymer electrolyte membrane 2 sandwiched between a pair of electrode catalyst layers 1, 1 containing carbon particles supporting catalyst particles. The polymer electrolyte membrane 2 is made of a sulfonated polyarylene-based polymer. The sulfonated polyarylene-based polymer has an ion exchange capacity in the range of 1.7 to 2.3 meq/g, and the polymer contains a component insoluble in N-methylpyrrolidone in an amount of 70% or less relative to the total amount of the polymer, after the polymer is subjected to heat treatment for exposing it under a constant temperature atmosphere of 12° C. for 200 hours. A catalyst paste containing catalyst particles and a polymer electrolyte is coated on a sheet-like support 6 and dried to form an electrode catalyst layer 1 containing a solvent in an amount in the range of 0.5% or less by weight of the total membrane. The electrode catalyst layers 3, 3 are thermally transferred and joined on both sides of the polymer electrolyte membrane 1.
    • 提供了具有优异的发电性能和优异的耐久性的用于聚合物电解质燃料电池的电极结构及其制造方法。 还提供了包括电极结构的聚合物电解质燃料电池和使用聚合物电解质燃料电池的电气设备和输送设备。 电极结构包括夹在包含支持催化剂颗粒的碳颗粒的一对电极催化剂层1,1之间的聚合物电解质膜2。 高分子电解质膜2由磺化聚亚芳基系聚合物构成。 磺化聚亚芳基系聚合物的离子交换容量为1.7〜2.3meq / g,聚合物中含有不溶于N-甲基吡咯烷酮的成分相对于聚合物总量为70%以下, 在聚合物经受热处理以使其在12℃的恒温气氛下暴露200小时。 将含有催化剂颗粒和聚合物电解质的催化剂浆料涂覆在片状载体6上并干燥,形成含有溶剂总量为0.5重量%以下的溶剂的电极催化剂层1。 电极催化剂层3,3在高分子电解质膜1的两面热转印并接合。
    • 10. 发明申请
    • Electrode structure for polymer electrolyte fuel cell and method for manufacturing the same
    • 聚合物电解质燃料电池的电极结构及其制造方法
    • US20070166594A1
    • 2007-07-19
    • US11723436
    • 2007-03-20
    • Yuichiro HamaMasaru IguchiJunichi YanoNagayuki KanaokaNaoki Mitsuta
    • Yuichiro HamaMasaru IguchiJunichi YanoNagayuki KanaokaNaoki Mitsuta
    • H01M8/10H01M4/96H01M4/88B05D5/12
    • H01M4/8828H01M4/8807H01M4/8882H01M4/92H01M4/926H01M8/1004H01M8/1025H01M8/1039Y02P70/56
    • There is provided an electrode structure for a polymer electrolyte fuel cell having excellent power generation performance and excellent durability and a method for manufacturing the same. Also provided is a polymer electrolyte fuel cell including the electrode structure and an electrical apparatus and a transport apparatus using the polymer electrolyte fuel cell. The electrode structure includes a polymer electrolyte membrane 2 sandwiched between a pair of electrode catalyst layers 1, 1 containing carbon particles supporting catalyst particles. The polymer electrolyte membrane 2 is made of a sulfonated polyarylene-based polymer. The sulfonated polyarylene-based polymer has an ion exchange capacity in the range of 1.7 to 2.3 meq/g, and the polymer contains a component insoluble in N-methylpyrrolidone in an amount of 70% or less relative to the total amount of the polymer, after the polymer is subjected to heat treatment for exposing it under a constant temperature atmosphere of 12° C. for 200 hours. A catalyst paste containing catalyst particles and a polymer electrolyte is coated on a sheet-like support 6 and dried to form an electrode catalyst layer 1 containing a solvent in an amount in the range of 0.5% or less by weight of the total membrane. The electrode catalyst layers 3, 3 are thermally transferred and joined on both sides of the polymer electrolyte membrane 1.
    • 提供了具有优异的发电性能和优异的耐久性的用于聚合物电解质燃料电池的电极结构及其制造方法。 还提供了包括电极结构的聚合物电解质燃料电池和使用聚合物电解质燃料电池的电气设备和输送设备。 电极结构包括夹在包含支持催化剂颗粒的碳颗粒的一对电极催化剂层1,1之间的聚合物电解质膜2。 高分子电解质膜2由磺化聚亚芳基系聚合物构成。 磺化聚亚芳基系聚合物的离子交换容量为1.7〜2.3meq / g,聚合物中含有不溶于N-甲基吡咯烷酮的成分相对于聚合物总量为70%以下, 在聚合物经受热处理以使其在12℃的恒温气氛下暴露200小时。 将含有催化剂颗粒和聚合物电解质的催化剂浆料涂覆在片状载体6上并干燥以形成含有溶剂的总量为0.5重量%以下的溶剂的电极催化剂层1。 电极催化剂层3,3在高分子电解质膜1的两面热转印并接合。