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    • 1. 发明授权
    • Fuel cell system
    • 燃料电池系统
    • US08182951B2
    • 2012-05-22
    • US12828710
    • 2010-07-01
    • Satoru HommuraSusumu SaitoTetsuji ShimohiraAtsushi WatakabeJunichi Tayanagi
    • Satoru HommuraSusumu SaitoTetsuji ShimohiraAtsushi WatakabeJunichi Tayanagi
    • H01M8/04H01M8/10
    • H01M8/1067C08J5/2237C08J2327/12H01M8/04358H01M8/04768H01M8/04835H01M8/1025H01M8/1039
    • To provide a fuel cell system provided with a polymer electrolyte fuel cell which is excellent in the power generation characteristics under high temperature and low or no humidity conditions.A fuel cell system 20 comprising a polymer electrolyte fuel cell 22 having a membrane/electrode assembly 10 having a catalyst layer containing a polymer (H) which has repeating units based on a perfluoromonomer having an alicyclic structure and has ion exchange groups, a temperature controlling means for controlling temperature of the polymer electrolyte fuel cell 22, a temperature sensor 38 for detecting temperature of the polymer electrolyte fuel cell 22, and a controlling device 40 for controlling the temperature controlling means based on temperature information from the temperature sensor 38 so that the maximum temperature of the polymer electrolyte fuel cell 22 becomes within the range of from 90 to 140° C.
    • 提供一种设置有在高温低湿条件下发电特性优异的聚合物电解质型燃料电池的燃料电池系统。 一种燃料电池系统20,包括具有膜/电极组件10的聚合物电解质燃料电池22,所述膜/电极组件10具有含有聚合物(H)的催化剂层,所述聚合物(H)具有基于具有脂环结构的全氟单体的重复单元并具有离子交换基团,温度控制 用于控制聚合物电解质燃料电池22的温度的装置,用于检测聚合物电解质燃料电池22的温度的温度传感器38,以及用于基于来自温度传感器38的温度信息来控制温度控制装置的控制装置40, 聚合物电解质燃料电池22的最高温度在90〜140℃的范围内。
    • 7. 发明申请
    • ELECTROLYTE MATERIAL, LIQUID COMPOSITION AND MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL
    • 电解质材料,液体组合物和聚合物电解质燃料电池的膜/电极组件
    • US20100304271A1
    • 2010-12-02
    • US12790391
    • 2010-05-28
    • Satoru HOMMURASusumu SaitoTetsuji ShimohiraAtsushi Watakabe
    • Satoru HOMMURASusumu SaitoTetsuji ShimohiraAtsushi Watakabe
    • H01M8/10B01J41/12
    • H01B1/122C08F8/12C08F8/44C08F216/1408H01M8/1023H01M8/1039H01M8/1081Y02E60/521Y02P70/56C08F214/14C08F228/02C08F216/38C08F214/182C08F8/26
    • It is to provide an electrolyte material with which an increase in the water content can be suppressed even when the ion exchange capacity of a polymer having repeating units based on a monomer having a dioxolane ring is high; and a membrane/electrode assembly excellent in the power generation characteristics under low or no humidity conditions and under high humidity conditions.It is to use an electrolyte material, which comprises a polymer (H) having ion exchange groups converted from precursor groups in a polymer (F), and having an ion exchange capacity of at least 1.35 meq/g dry resin, the polymer (F) having repeating units (A) based on a perfluoromonomer having a precursor group of an ion exchange group and a dioxolane ring and repeating units (B) based on a perfluoromonomer having no precursor group and having a dioxolane ring, and having a TQ of at least 200° C., which is a temperature at which the melt volume rate becomes 100 mm3/sec when the polymer (F) is subjected to melt-extrusion under an extrusion pressure condition of 2.94 MPa from a nozzle having a length of 1 mm and an inner diameter of 1 mm.
    • 即使提供具有基于具有二氧戊环的单体的具有重复单元的聚合物的离子交换能力高的电解质材料,也可以抑制含水量的增加, 以及在低或无湿度条件下和在高湿度条件下发电特性优异的膜/电极组件。 使用电解质材料,其包含在聚合物(F)中由前体基团转化的离子交换基团的聚合物(H),并且具有至少1.35meq / g干树脂的离子交换容量,所述聚合物(F )具有基于具有离子交换基团的前体基团和二氧戊环的全氟单体的重复单元(A)和基于不具有前体基团并具有二氧戊环的全氟单体的重复单元(B),并且具有在 至少200℃,当聚合物(F)在长度为1mm的喷嘴的挤出压力条件为2.94MPa下进行熔融挤出时,其熔体体积率为100mm 3 / sec的温度 内径为1mm。