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    • 2. 发明授权
    • Fuel cell system, method of starting fuel cell system
    • 燃料电池系统,燃料电池系统启动方法
    • US08039154B2
    • 2011-10-18
    • US10561386
    • 2004-08-24
    • Junji MoritaMakoto UchidaYasushi SugawaraTakayuki UrataShinya KosakoTakahiro UmedaSoichi ShibataYoichiro TsujiMasataka OzekiAkinari NakamuraYoshikazu Tanaka
    • Junji MoritaMakoto UchidaYasushi SugawaraTakayuki UrataShinya KosakoTakahiro UmedaSoichi ShibataYoichiro TsujiMasataka OzekiAkinari NakamuraYoshikazu Tanaka
    • H01M8/04
    • H01M8/0606H01M8/04231H01M8/04365H01M8/04388H01M8/04395H01M8/04425H01M8/04559H01M8/04649H01M8/04746H01M8/04776H01M8/04955H01M2008/1095
    • Problems of acceleration of drying of electrolyte membrane and local reaction, etc. can be properly coped with to attain the stabilization of performance of fuel cell.There are provided a fuel cell 121 which generates electric power from a fuel gas and an oxidizing agent gas, a fuel gas feed pipe 161 and a first switch valve 129 as fuel gas supplying unit which supplies the said fuel gas into the said fuel cell on the anode side thereof, an oxidizing gas supplying pipe 162 and a second cut-off valve 131 as oxidizing agent gas supplying unit which supplies the said oxidizing agent into the said fuel cell on the cathode side thereof, a raw material gas supplying pipe 151 and a third switch valve 143 as raw material gas supplying unit which supplies raw material of the said fuel gas into the fuel cell and a control portion 127 which controls the supply of the said fuel gas, the supply of the said oxidizing agent and the supply of the said raw material and the control portion 127 controls during the starting of electricity generation of the fuel cell 121 such that the said raw material gas supplying unit purges the fuel cell 121 at least on the cathode side thereof with the said raw material gas before the oxidizing agent gas supplying unit and the fuel gas supplying unit supply the fuel gas and the said oxidizing agent gas into the fuel cell 121, respectively.
    • 可以适当应对电解质膜干燥加速和局部反应等问题,以达到燃料电池性能的稳定。 设置有从燃料气体和氧化剂气体产生电力的燃料电池121,作为燃料气体供给单元的燃料气体供给管161和第一切换阀129,将燃料气体供给到所述燃料电池中 其阳极侧,氧化剂气体供给管162和作为氧化剂气体供给单元的第二截止阀131,其将所述氧化剂供给到阴极侧的所述燃料电池中,原料气体供给管151和 作为将燃料气体的原料供给燃料电池的原料气体供给部的第三切换阀143以及控制部127,控制部127控制所述燃料气体的供给,所述氧化剂的供给和供给 所述原料和控制部127在燃料电池121的发电开始期间进行控制,使得所述原料气体供给单元至少在阴极上清除燃料电池121 在氧化剂气体供给单元和燃料气体供给单元之间分别将燃料气体和所述氧化剂气体供应到燃料电池121中的同时与所述原料气体一起。
    • 6. 发明申请
    • Catalyst-Coated Membrane, Membrane-Electrode Assembly and Polymer Electrolyte Fuel Cell
    • 催化剂涂层膜,膜 - 电极组件和聚合物电解质燃料电池
    • US20090011322A1
    • 2009-01-08
    • US12162768
    • 2007-02-16
    • Miho GembaYoichiro TsujiShinya Kosako
    • Miho GembaYoichiro TsujiShinya Kosako
    • H01M4/00B01J35/00
    • H01M8/1004H01M4/8636H01M4/8642H01M8/0256H01M8/0263H01M8/241H01M2008/1095
    • A catalyst-coated membrane includes: a first catalyst layer (2a) and a second catalyst layer (2b) which are opposed to each other; a polymer electrolyte membrane 1 which is disposed between the first catalyst layer (2a) and the second catalyst layer (2b) and has a first main surface (F10) and a second main surface (F20) which are opposed to each other; and a membrane catalyst concentration reduced region 80 which is formed so as to contact an outer periphery of the first catalyst layer (2a) and the first main surface (F10) of the polymer electrolyte membrane 1 and has hydrogen ion conductivity and fire resistance, wherein: an outer periphery of the main surfaces of the second catalyst layer (2b) is located between an edge of the membrane catalyst concentration reduced region (80) which edge contacts the first catalyst layer (2a) and an edge opposed to the edge contacting the first catalyst layer (2a); and the membrane catalyst concentration reduced region (80) includes a first portion (8) which contacts the first main surface (F10) of the polymer electrolyte membrane (1) and has the hydrogen ion conductivity and the fire resistance and a second portion (81) which is a remaining portion other than the first portion (8), has the hydrogen ion conductivity and the fire resistance, and contains a catalyst.
    • 催化剂涂覆膜包括:彼此相对的第一催化剂层(2a)和第二催化剂层(2b); 设置在第一催化剂层(2a)和第二催化剂层(2b)之间并且具有彼此相对的第一主表面(F10)和第二主表面(F20)的聚合物电解质膜1; 和形成为与高分子电解质膜1的第一催化剂层(2a)和第一主面(F10)的外周接触并具有氢离子传导性和耐火性的膜催化剂浓缩还原区域80,其中, :第二催化剂层(2b)的主表面的外周位于边缘接触第一催化剂层(2a)的膜催化剂浓缩还原区(80)的边缘与与边界接触的边缘的边缘 第一催化剂层(2a); 膜催化剂浓缩还原区域(80)包括与高分子电解质膜(1)的第一主面(F10)接触并具有氢离子传导性和耐火性的第一部分(8)和第二部分(81) )是除了第一部分(8)之外的剩余部分,具有氢离子传导性和耐火性,并且含有催化剂。
    • 7. 发明申请
    • Fuel Cell System
    • 燃料电池系统
    • US20080318103A1
    • 2008-12-25
    • US11661123
    • 2005-10-05
    • Yoichiro TsujiYasuhiro UeyamaYusuke OzakiShinya Kosako
    • Yoichiro TsujiYasuhiro UeyamaYusuke OzakiShinya Kosako
    • H01M8/10
    • H01M8/1051H01M8/0289H01M8/1023H01M8/1039H01M2300/0082
    • Provided is a fuel cell system including a polymer electrolyte fuel cell with improved durability, which is capable of suppressing a phenomenon in which a polymer electrolyte membrane is decomposed and degraded. In the fuel cell system including the polymer electrolyte fuel cell including: a membrane electrode assembly including a polymer electrolyte membrane with hydrogen ion conductivity, and a fuel electrode and an oxidant electrode sandwiching the polymer electrolyte membrane; a first separator plate for supplying and discharging a fuel gas to and from the fuel electrode; and a second separator plate for supplying and discharging an oxidant gas to and from the fuel electrode, a metal ion supplying means for supplying metal ions, which are stable in an aqueous solution, to the inside of the membrane electrode assembly in an amount equivalent to 1.0 to 40.0% of the ion exchange group capacity of the polymer electrolyte membrane is disposed.
    • 提供一种燃料电池系统,其包括耐久性提高的聚合物电解质燃料电池,其能够抑制高分子电解质膜分解和劣化的现象。 在包括聚合物电解质燃料电池的燃料电池系统中,包括:包括具有氢离子传导性的聚合物电解质膜的膜电极组件和夹持聚合物电解质膜的燃料电极和氧化剂电极; 用于向燃料电极供给和排出燃料气体的第一分离板; 以及用于向燃料电极供给和排出氧化剂气体的第二分离板,用于将金属离子在水溶液中稳定地供给到膜电极组件内部的金属离子供给装置,其量相当于 设置聚合物电解质膜的离子交换容量的1.0〜40.0%。
    • 8. 发明申请
    • FUEL CELL SYSTEM AND OPERATING METHOD THEREOF
    • 燃料电池系统及其操作方法
    • US20100233554A1
    • 2010-09-16
    • US12161260
    • 2007-01-16
    • Atsushi NogiSoichi ShibataAoi MutaYoichiro TsujiKazuhito Hatoh
    • Atsushi NogiSoichi ShibataAoi MutaYoichiro TsujiKazuhito Hatoh
    • H01M8/04H01M8/10
    • H01M8/0662H01M8/04156H01M8/04246H01M8/04514H01M8/04522H01M8/04753H01M2008/1095
    • A fuel cell system of the present invention includes: a polymer electrolyte fuel cell (1) including an MEA (12) having a polymer electrolyte membrane (13), an anode (16a) and a cathode (16b); a fuel gas supplying device (4) which supplies a fuel gas to the anode (16a); an oxidizing gas supplying device (5) which supplies an oxidizing gas to the cathode (16b); a moisture flow rate detector (2) which detects at least one of a flow rate of moisture discharged from the cathode (16b) and a flow rate of moisture discharged from the anode (16a); storage means (22) for storing a reference moisture flow rate that is the moisture flow rate at the time of a reference output of the polymer electrolyte fuel cell (1); and an anode oxidizer (25) which compares the moisture flow rate detected by the moisture flow rate detector (2) with the reference moisture flow rate stored in the storage means (22) and oxidizes the anode (16a) based on a result of the comparison.
    • 本发明的燃料电池系统包括:包含具有聚合物电解质膜(13),阳极(16a)和阴极(16b)的MEA(12)的聚合物电解质燃料电池(1) 燃料气体供给装置(4),其向所述阳极(16a)供给燃料气体; 向所述阴极(16b)供给氧化气体的氧化剂气体供给装置(5); 检测从阴极(16b)排出的湿气的流量和从阳极(16a)排出的湿度的流量中的至少一个的湿度流量检测器(2)。 存储装置(22),用于存储作为所述固体高分子型燃料电池(1)的基准输出时的水分流量的基准水分流量; 以及阳极氧化器(25),其将由所述水分流量检测器(2)检测的水分流量与存储在所述存储装置(22)中的参考水分流量进行比较,并且基于所述阳极氧化器 比较。