摘要:
Disclosed is a membrane for polymer electrolyte fuel cells, which is composed of a hydrocarbon anion-ex-change resin membrane wherein an anion-exchange group is covalently bonded to a hydrocarbon resin, and an adhesive layer formed on at least one side of the hydrocarbon anion-exchange resin membrane. The membrane for polymer electrolyte fuel cells is characterized in that the adhesive layer is made of an anion-exchange resin having a Young's modulus of 1-1000 MPa.
摘要:
Disclosed is a membrane for a fuel cell, which comprises: a polymer electrolyte membrane which comprises a cross-linked anion-exchange resin having a strongly basic anion-exchange group such as a quaternary ammonium salt group, a quaternary pyridinium salt group and a quaternary imidazolium salt group; and a polymer which is attached on at least one surface of the polymer electrolyte membrane and has a weakly acidic group such as a polyacrylic acid. Also disclosed is a method for producing the membrane.
摘要:
Disclosed is a membrane for polymer electrolyte fuel cells, which is composed of a hydrocarbon anion-ex-change resin membrane wherein an anion-exchange group is covalently bonded to a hydrocarbon resin, and an adhesive layer formed on at least one side of the hydrocarbon anion-exchange resin membrane. The membrane for polymer electrolyte fuel cells is characterized in that the adhesive layer is made of an anion-exchange resin having a Young's modulus of 1-1000 MPa.
摘要:
The present invention discloses a membrane for polymer electrolyte fuel cell, which comprises a hydrocarbon cation exchange resin membrane wherein a cation exchange group is covalently bonded to a hydrocarbon resin, and an adhesive layer formed on at least one side of the hydrocarbon cation exchange resin membrane, wherein the adhesive layer is made of a hydrocarbon cation exchange resin having a Young's modulus of 1 to 300 MPa and a solubility of less than 1% by mass in water of 20° C.; and a membrane-electrode assembly which is obtained by forming a catalyst electrode layer on at least one side of the above-mentioned membrane for polymer electrolyte fuel cell.
摘要:
A laminate consisting of an ion exchange membrane layer comprising a porous film reinforcement and a crosslinked ion exchange resin and a conductive layer formed on at least one side of the ion exchange membrane layer and comprising conductive inorganic particles and a crosslinked ion exchange resin, whereinthe ion exchange membrane layer and the conductive layer are integrated with each other by the above ion exchange resins constituting these layers.This laminate is excellent in dimensional stability, heat resistance and methanol impermeability, which makes it suitable for use in electrochemical devices such as a direct methanol type fuel cell as a membrane-electrode assembly, has high bonding properties between the electrode layer and the ion exchange membrane layer of the membrane-electrode assembly, and provides a fuel cell whose output is not reduced by long-term use.
摘要:
The present invention discloses a membrane for polymer electrolyte fuel cell, which comprises a hydrocarbon cation exchange resin membrane wherein a cation exchange group is covalently bonded to a hydrocarbon resin, and an adhesive layer formed on at least one side of the hydrocarbon cation exchange resin membrane, wherein the adhesive layer is made of a hydrocarbon cation exchange resin having a Young's modulus of 1 to 300 MPa and a solubility of less than 1% by mass in water of 20° C.; and a membrane-electrode assembly which is obtained by forming a catalyst electrode layer on at least one side of the above-mentioned membrane for polymer electrolyte fuel cell.
摘要:
A laminate consisting of an ion exchange membrane layer comprising a porous film reinforcement and a crosslinked ion exchange resin and a conductive layer formed on at least one side of the ion exchange membrane layer and comprising conductive inorganic particles and a crosslinked ion exchange resin, wherein the ion exchange membrane layer and the conductive layer are integrated with each other by the above ion exchange resins constituting these layers. This laminate is excellent in dimensional stability, heat resistance and methanol impermeability, which makes it suitable for use in electrochemical devices such as a direct methanol type fuel cell as a membrane-electrode assembly, has high bonding properties between the electrode layer and the ion exchange membrane layer of the membrane-electrode assembly, and provides a fuel cell whose output is not reduced by long-term use.
摘要:
The present invention discloses a membrane for a fuel cell, comprising: a solid polymer electrolyte membrane composed of a crosslinked ion exchange resin, and a polymer having a weight-average molecular weight of 5,000 to 1,000,000 and having a charge group of polarity opposite to that of the ion exchange group of the ion exchange resin, which polymer is adhered onto at least one surface of the solid polymer electrolyte membrane in an amount of 0.0001 to 0.5 mg/cm3, preferably in a state that, when the membrane for fuel cell is immersed in a 50 mass % aqueous methanol solution of 30° C., there is substantially no difference in the adhesion amount of the polymer before and after the immersion; and a membrane-electrode assembly for a fuel cell, comprising the above-mentioned membrane, and a catalyst electrode layer bonded to the membrane, which catalyst electrode layer contains an ion exchange resin having the same polarity as the crosslinked ion exchange resin composing the solid polymer electrolyte membrane, and a catalyst substance.
摘要翻译:本发明公开了一种燃料电池用膜,其特征在于,包括:由交联离子交换树脂构成的固体高分子电解质膜和重均分子量为5,000〜1,000,000的具有极性相反的电荷组的聚合物。 的离子交换树脂的离子交换基团,该聚合物以固体聚合物电解质膜的至少一个表面附着至0.0001〜0.5mg / cm 3的量,优选在燃料电池用膜为 浸渍在30℃的50质量%甲醇水溶液中,浸渍前后聚合物的附着量基本上没有差异; 以及用于燃料电池的膜 - 电极组件,包括上述膜和结合到膜的催化剂电极层,该催化剂电极层含有与构成固体的交联离子交换树脂具有相同极性的离子交换树脂 聚合物电解质膜和催化剂物质。
摘要:
The present invention discloses:a membrane for fuel cell, comprising: a solid polymer electrolyte membrane composed of a crosslinked ion exchange resin, and a polymer having a weight-average molecular weight of 5,000 to 1,000,000 and having a charge group of polarity opposite to that of the ion exchange group of the ion exchange resin, which polymer is adhered onto at least one surface of the solid polymer electrolyte membrane in an amount of 0.0001 to 0.5 mg/cm2 preferably in a state that, when the membrane for fuel cell is immersed in a 50 mass % aqueous methanol solution of 30° C., there is substantially no difference in the adhesion amount of the polymer before and after the immersion; and a membrane-electrode assembly for fuel cell, comprising: the above-mentioned membrane for fuel cell, and a catalyst electrode layer bonded to the membrane for fuel cell, which catalyst electrode layer contains an ion exchange resin having the same polarity as the crosslinked ion exchange resin composing the solid polymer electrolyte membrane, and a catalyst substance.
摘要翻译:本发明公开了一种燃料电池用膜,其特征在于,包括:由交联离子交换树脂构成的固体高分子电解质膜和重均分子量为5,000〜1,000,000的极性相反的电荷组, 的离子交换树脂的离子交换基团,该聚合物以0.0001〜0.5mg / cm 2的量粘附在固体高分子电解质膜的至少一个表面上,优选在燃料电池用膜浸渍时 在30℃的50质量%甲醇水溶液中,浸渍前后聚合物的附着量基本上没有差异, 以及用于燃料电池的膜 - 电极组件,包括:上述用于燃料电池的膜和与燃料电池用膜结合的催化剂电极层,该催化剂电极层含有与交联的电极相同极性的离子交换树脂 构成固体高分子电解质膜的离子交换树脂和催化剂物质。