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    • 62. 发明授权
    • Fuel cell system and control method therefor
    • 燃料电池系统及其控制方法
    • US08663861B2
    • 2014-03-04
    • US13321062
    • 2011-01-24
    • Masaki MitsuiTakashi Akiyama
    • Masaki MitsuiTakashi Akiyama
    • H01M8/04
    • H01M8/04753H01M8/04589
    • The amount of fuel supplied to a fuel cell is set to a second set value Qm2 smaller than a first set value Qm1 determined based on a load. Then, an output current Ifcr of the fuel cell with the fuel supply amount set to the second set value Qm2 is detected. The output current Ifcr is compared with a reference value Iref for determining mild deterioration to determine whether the fuel cell has deteriorated from the comparison result. If a determination that the fuel cell has deteriorated is made, the fuel supply amount is reset to a third set value Qm3 larger than the second set value Qm2.
    • 供给燃料电池的燃料量被设定为小于基于负荷确定的第一设定值Qm1的第二设定值Qm2。 然后,检测燃料供给量设定为第二设定值Qm2的燃料电池的输出电流Ifcr。 将输出电流Ifcr与用于确定温和劣化的参考值Iref进行比较,以从比较结果确定燃料电池是否劣化。 如果确定燃料电池已经劣化,则将燃料供给量重新设定为大于第二设定值Qm2的第三设定值Qm3。
    • 64. 发明授权
    • Direct oxidation fuel cell
    • 直接氧化燃料电池
    • US08557469B2
    • 2013-10-15
    • US12891245
    • 2010-09-27
    • Hiroaki MatsudaTakashi Akiyama
    • Hiroaki MatsudaTakashi Akiyama
    • H01M8/22H01M8/10H01M8/04
    • H01M8/1011H01M4/861H01M4/8642H01M4/8828H01M8/1004Y02E60/523
    • A direct oxidation fuel cell including at least one cell, the cell being a stacked body including: a membrane electrode assembly including an anode, a cathode, and an electrolyte membrane disposed between the anode and the cathode; an anode-side separator having a fuel flow channel for supplying a liquid fuel to the anode; and a cathode-side separator having an oxidant flow channel for supplying an oxidant to the cathode, in which the anode-side separator includes a first region including an upstream half of the fuel flow channel and a second region including a downstream half of the fuel flow channel, the anode includes an anode catalyst layer in contact with the electrolyte membrane and an anode diffusion layer in contact with the anode-side separator, the anode catalyst layer includes an anode catalyst and a polymer electrolyte, the anode catalyst layer includes an upstream-side region facing the first region and a downstream-side region facing the second region, and the content of the polymer electrolyte in the anode catalyst layer is higher at the upstream-side region than at the downstream-side region.
    • 包括至少一个电池的直接氧化燃料电池,所述电池是层叠体,包括:膜电极组件,其包括阳极,阴极和设置在阳极和阴极之间的电解质膜; 阳极侧隔板,具有用于向阳极供给液体燃料的燃料流路; 以及阴极侧隔板,其具有用于向阴极供给氧化剂的氧化剂流动通道,其中阳极侧隔板包括包括燃料流动通道的上游一半的第一区域和包括燃料的下游一半的第二区域 所述阳极包括与所述电解质膜接触的阳极催化剂层和与所述阳极侧隔板接触的阳极扩散层,所述阳极催化剂层包含阳极催化剂和聚合物电解质,所述阳极催化剂层包含上游侧 面向第一区域的侧面区域和面向第二区域的下游侧区域,阳极催化剂层中的聚合物电解质的含量在上游侧区域比在下游侧区域高。
    • 68. 发明申请
    • FUEL CELL SYSTEM AND ELECTRONIC APPARATUS
    • 燃料电池系统和电子设备
    • US20120003555A1
    • 2012-01-05
    • US13148570
    • 2010-12-01
    • Masaki MitsuiTakashi Akiyama
    • Masaki MitsuiTakashi Akiyama
    • H01M8/04
    • H01M10/48H01M8/04626H01M8/0494H01M16/006
    • A fuel cell system includes: a fuel cell; a power storage unit for storing power generated by the fuel cell; a tank for storing a fuel to be supplied to the fuel cell; a remaining fuel sensor for detecting the amount of fuel remaining in the tank; an SOC detector for detecting the state of charge of the power storage unit; and a control unit for controlling the operation of the fuel cell. (i) When the remaining amount of fuel is larger than a predetermined value A, the control unit is configured to perform: (a) an operation for stopping the power generation of the fuel cell or an operation for decreasing the amount of power generated if the state of charge is equal to or more than a predetermined value X; and (b) an operation for starting the power generation of the fuel cell or an operation for increasing the amount of power generated if the state of charge is equal to or less than a predetermined value Y where Y
    • 燃料电池系统包括:燃料电池; 用于存储由燃料电池产生的电力的蓄电单元; 用于存储要供应到燃料电池的燃料的罐; 剩余的燃料传感器,用于检测罐中剩余的燃料量; 用于检测蓄电单元的充电状态的SOC检测器; 以及用于控制燃料电池的操作的控制单元。 (i)当燃料的剩余量大于预定值A时,控制单元被配置为执行以下操作:(a)用于停止燃料电池的发电的操作或者用于减少产生的功率量的操作,如果 充电状态等于或大于预定值X; 以及(b)用于开始燃料电池的发电的动作或者如果充电状态等于或小于Y
    • 69. 发明申请
    • DIRECT OXIDATION FUEL CELL
    • 直接氧化燃料电池
    • US20110207016A1
    • 2011-08-25
    • US13124983
    • 2010-06-24
    • Takashi Akiyama
    • Takashi Akiyama
    • H01M8/10H01M4/86
    • H01M4/8642H01M4/92H01M8/1009
    • The invention relates to a direct oxidation fuel cell. The invention intends to provide a fuel cell having good fuel utilization efficiency and good power generation performance such as voltage produced and power generation efficiency by suppressing the phenomenon of the fuel supplied from the fuel flow channel passing through the electrolyte membrane and being oxidized at the cathode. The direct oxidation fuel cell of the invention includes at least one unit cell which includes: a membrane electrode assembly including an anode, a cathode, and an electrolyte membrane interposed therebetween; an anode-side separator, and a cathode-side separator. The anode-side separator has a fuel flow channel for supplying a fuel to the anode. The anode has an anode catalyst layer including anode catalyst particles and a polymer electrolyte. The loading density of the anode catalyst particles in the anode catalyst layer is higher upstream than downstream of the fuel flow channel.
    • 本发明涉及直接氧化燃料电池。 本发明旨在通过抑制从通过电解质膜的燃料流路供给的燃料的现象并在阴极被氧化而提供具有良好的燃料利用效率和良好的发电性能,例如电压产生和发电效率的燃料电池 。 本发明的直接氧化燃料电池包括至少一个单元电池,其包括:膜电极组件,其包括阳极,阴极和介于其间的电解质膜; 阳极侧隔板和阴极侧隔板。 阳极侧隔板具有用于向阳极供给燃料的燃料流路。 阳极具有包括阳极催化剂颗粒和聚合物电解质的阳极催化剂层。 阳极催化剂层中阳极催化剂颗粒的负载密度比燃料流动通道的下游高。