Fuel cell
    1.
    发明专利
    Fuel cell 审中-公开
    燃料电池

    公开(公告)号:JP2013045570A

    公开(公告)日:2013-03-04

    申请号:JP2011181763

    申请日:2011-08-23

    CPC classification number: Y02E60/521

    Abstract: PROBLEM TO BE SOLVED: To improve a power generation performance of a fuel cell during operation at a high temperature.SOLUTION: The fuel cell includes: a membrane-electrode assembly 12: an anode-side gas diffusion layer 16 placed on an anode side of the membrane-electrode assembly 12; a cathode-side gas diffusion layer 17 placed on a cathode side of the membrane-electrode assembly 12; and a cathode-side separator 21 provided so as to oppose the cathode-side gas diffusion layer 17 and forming an oxidation gas flow path where an oxidation gas flows, in a laminating manner. The anode-side gas diffusion layer 16 has: a first gas diffusion layer part 16a corresponding to an inlet vicinity in a lamination direction; and a second gas diffusion layer part 16b located on a downstream side in the flowing direction of the oxidation gas than the first gas diffusion layer part 16a, and thermal resistance in a thickness direction of the first gas diffusion layer part 16a is smaller than thermal resistance in a thickness direction of the second gas diffusion layer part 16b.

    Abstract translation: 解决的问题:为了提高高温运转时的燃料电池的发电性能。 解决方案:燃料电池包括:膜 - 电极组件12:放置在膜 - 电极组件12的阳极侧的阳极侧气体扩散层16; 放置在膜 - 电极组件12的阴极侧的阴极侧气体扩散层17; 阴极侧隔板21与阴极侧气体扩散层17相对配置,形成氧化气体流过的氧化气体流路。 阳极侧气体扩散层16具有:与层叠方向的入口附近对应的第一气体扩散层部16a; 以及位于比第一气体扩散层部16a在氧化气体的流动方向下游侧的第二气体扩散层部16b,第一气体扩散层部16a的厚度方向的热阻小于热电阻 在第二气体扩散层部16b的厚度方向上。 版权所有(C)2013,JPO&INPIT

    Fuel cell
    2.
    发明专利
    Fuel cell 审中-公开
    燃料电池

    公开(公告)号:JP2012186105A

    公开(公告)日:2012-09-27

    申请号:JP2011049895

    申请日:2011-03-08

    CPC classification number: Y02E60/521

    Abstract: PROBLEM TO BE SOLVED: To suppress dry-up in a solid polymer electrolyte fuel cell in which fuel gas and oxidant gas are formed in counterflow configurations.SOLUTION: The fuel cell 100 includes a cathode side catalyst layer 14 being formed such that the weight of a catalyst per unit area of a first region (region Ra; high catalyst density catalyst layer 14a) on an upstream side in a flow direction of the oxide gas is to be larger than that of the catalyst per unit area in a second region (region Rb; low catalyst density catalyst layer 14b) other than the first region.

    Abstract translation: 要解决的问题:为了抑制在逆流构造中形成燃料气体和氧化剂气体的固体聚合物电解质燃料电池中的干燥。 解决方案:燃料电池100包括阴极侧催化剂层14,其形成为使得流量上游侧的第一区域(区域Ra;高催化剂密度催化剂层14a)的单位面积的催化剂的重量 除了第一区域之外的第二区域(区域Rb;低催化剂密度催化剂层14b),氧化物气体的方向要大于每单位面积的催化剂的方向。 版权所有(C)2012,JPO&INPIT

    Manufacturing method of porous body layer for fuel battery, and fuel battery
    3.
    发明专利
    Manufacturing method of porous body layer for fuel battery, and fuel battery 审中-公开
    用于燃料电池和燃料电池的多孔体层的制造方法

    公开(公告)号:JP2012064481A

    公开(公告)日:2012-03-29

    申请号:JP2010208749

    申请日:2010-09-17

    CPC classification number: Y02P70/56

    Abstract: PROBLEM TO BE SOLVED: To manufacture a porous body layer for a fuel battery which can satisfy both an appropriate drainage and water retention for the fuel battery.SOLUTION: This manufacturing method includes: a first plating step where a part of a resin base material 52 is immersed in a plating bath 62 for a first prescribed time to form a porous body 48; and a second plating step where the other part of the resin base material 52 is immersed in the plating bath for a second prescribed time which is longer than the first prescribed time to form a porous body 50. The porous body 50 has smaller average pore diameter than the porous body 48.

    Abstract translation: 要解决的问题:制造能够满足燃料电池的适当的排水和保水性的用于燃料电池的多孔体层。 解决方案:该制造方法包括:第一镀层步骤,其中将树脂基材52的一部分浸入电镀槽62中达到第一规定时间以形成多孔体48; 以及第二电镀步骤,其中树脂基材52的另一部分浸入镀浴中比第一规定时间长的第二规定时间以形成多孔体50.多孔体50具有较小的平均孔径 (C)2012,JPO&INPIT

    Fuel cell
    4.
    发明专利
    Fuel cell 审中-公开
    燃料电池

    公开(公告)号:JP2012003875A

    公开(公告)日:2012-01-05

    申请号:JP2010135730

    申请日:2010-06-15

    CPC classification number: Y02E60/523

    Abstract: PROBLEM TO BE SOLVED: To sufficiently suppress the degradation of power generation performance of a fuel cell due to dryness.SOLUTION: A fuel cell comprises: a power generator layer including an electrolyte membrane and a catalyst layer; an anode gas channel layer having an anode gas channel; and a cathode gas channel layer having a cathode gas channel. A cathode outlet vicinity area, which is the most downstream portion of a cathode effective channel portion where the cathode gas supply to the power generator layer is carried out, and an anode inlet vicinity area, which is the most upstream portion of an anode effective channel portion where the anode gas supply to the power generator layer is carried out, face each other across the power generator layer. A cathode inlet vicinity area, which is the most upstream portion of the cathode effective channel portion, and an anode intermediate portion, which is downstream of the anode inlet vicinity area of the anode effective channel portion and upstream of an anode outlet vicinity area, i.e., the most downstream portion of the anode effective channel portion, face each other across the power generator layer.

    Abstract translation: 要解决的问题:充分抑制燃料电池由于干燥引起的发电性能的劣化。 解决方案:燃料电池包括:发电机层,包括电解质膜和催化剂层; 具有阳极气体通道的阳极气体通道层; 以及具有阴极气体通道的阴极气体流路层。 作为向发电机层供给阴极气体的阴极有效流路部分的最下游部分的阴极出口附近区域和作为阳极有效流路的最上游部分的阳极入口附近区域 执行阳极气体供应到发电机层的部分在发电机层上彼此面对。 作为阴极有效通道部分的最上游部分的阴极入口附近区域和阳极中间部分,阳极中间部分在阳极有效通道部分的阳极入口附近区域的下游以及阳极出口附近区域的上游,即 阳极有效沟道部分的最下游部分跨越发电机层彼此面对。 版权所有(C)2012,JPO&INPIT

    Fuel cell stack and separator
    5.
    发明专利
    Fuel cell stack and separator 审中-公开
    燃油电池堆和分离器

    公开(公告)号:JP2011028942A

    公开(公告)日:2011-02-10

    申请号:JP2009172051

    申请日:2009-07-23

    CPC classification number: Y02E60/521

    Abstract: PROBLEM TO BE SOLVED: To provide a polymer electrolyte fuel cell stack capable of restraining its drying-up. SOLUTION: A cathode-side separator 42 for forming the polymer electrolyte fuel cell stack includes: a first gas passage (a first groove section 422cd1) for passing a cathode gas in a first direction along the surface of one membrane-electrode assembly; and a second gas passage (a second groove section 422cd2) for passing the cathode gas in a second direction opposite to the first direction along the surface of one membrane-electrode assembly. The first gas passage (the first groove section 422cd1) and the second gas passage (the second groove section 422cd2) are alternately arranged in a direction perpendicular to the first and second directions. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供能够抑制其干燥的聚合物电解质燃料电池堆。 解决方案:用于形成聚合物电解质燃料电池堆的阴极侧隔板42包括:第一气体通道(第一槽部分422cd1),用于沿着一个膜 - 电极组件的表面沿第一方向通过阴极气体 ; 以及沿着一个膜 - 电极组件的表面沿与第一方向相反的第二方向使阴极气体通过的第二气体通道(第二槽部分422cd2)。 第一气体通路(第一槽部422cd1)和第二气体通路(第二槽部422cd2)沿与第一和第二方向垂直的方向交替配置。 版权所有(C)2011,JPO&INPIT

    Exhaust emission control device
    6.
    发明专利
    Exhaust emission control device 审中-公开
    排气排放控制装置

    公开(公告)号:JP2010121469A

    公开(公告)日:2010-06-03

    申请号:JP2008293650

    申请日:2008-11-17

    CPC classification number: Y02T10/121 Y02T10/144

    Abstract: PROBLEM TO BE SOLVED: To inhibit emission of NOx and smoke, suitably purify exhaust gas after passing through a catalyst, and suitably reduce pressure loss in an EGR passage. SOLUTION: An exhaust emission control device includes a plurality of intake air supercharger disposed in an intake system of an internal combustion engine 200 including a motor driven supercharger 217 composed in such a manner that the same is driven by a motor 400 and can supercharge intake air mutually in series, and an EGR device 300 which is connected to an exhaust system of the internal combustion engine and can supply part of exhaust gas from the exhaust system to an intake system as EGR gas. The EGR device 300 includes an EGR supercharger 307, a first passage 311 provided with a first open close valve 308, and a second passage 312 provided with a second open close valve 309. A supply route of EGR gas is controlled to a second route including the second passage but not including the first passage by drive control of the first and the second open close valves when the EGR supercharger is not operated. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:为了抑制NOx和烟雾的排放,在通过催化剂之后适当地净化废气,并适当地减少EGR通道中的压力损失。 解决方案:排气排放控制装置包括设置在内燃机200的进气系统中的多个进气增压器,该内燃机200包括电动机驱动的增压器217,该电动机驱动的增压器217由马达400驱动, 相互串联的增压进气,以及与内燃机的排气系统连接的EGR装置300,能够将排气系统的排气的一部分供给到作为EGR气体的进气系统。 EGR装置300包括EGR增压器307,设置有第一开闭阀308的第一通路311和设置有第二开闭阀309的第二通路312. EGR气体的供给路径被控制为第二路径,包括 第二通道,但是当EGR增压器不被操作时,不包括通过第一和第二打开关闭阀的驱动控制的第一通道。 版权所有(C)2010,JPO&INPIT

    Fuel cell power generation system
    7.
    发明专利
    Fuel cell power generation system 审中-公开
    燃料电池发电系统

    公开(公告)号:JP2010113981A

    公开(公告)日:2010-05-20

    申请号:JP2008286319

    申请日:2008-11-07

    CPC classification number: Y02E60/521

    Abstract: PROBLEM TO BE SOLVED: To shorten a time before restarting of a fuel cell stack in which abnormality takes place. SOLUTION: The fuel cell power generation system is provided with a reaction gas supply passage where a plurality of fuel cell stacks 10A-10C are connected in parallel, a cooling device 40 equipped with a first circulating passage 43X circulating a coolant between a first and a second radiators 41, 42 connected in parallel and a plurality of fuel cell stacks and connected with each of the fuel cell stacks in parallel with the passage, and cell monitors 61-63 arranged with each of the fuel cell stacks. When abnormality in the fuel cell stack is detected by the cell monitor, a passage pattern of the cooling device 40 is so formed that the first circulating passage 43X including the fuel cell stacks other that the abnormality-detected fuel cell stack and the first radiator 41 and the second circulating passage 43Z including the abnormality-found fuel cell and the second radiator may be arranged separately. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:缩短重新启动发生异常的燃料电池堆的时间。 解决方案:燃料电池发电系统设置有多个燃料电池组10A-10C并联连接的反应气体供应通道,冷却装置40配备有在第一循环通道43X之间循环冷却剂的第一循环通道43X 并联连接的第一和第二散热器41,42以及多个燃料电池堆并且与通道平行地与每个燃料电池堆连接,以及与每个燃料电池堆配置的电池监视器61-63。 当通过电池监视器检测到燃料电池堆的异常时,冷却装置40的通道图形形成为使得包括燃料电池的第一循环通道43X与异常检测燃料电池堆和第一散热器41 并且包括异常发现的燃料电池和第二散热器的第二循环通道43Z可以分开布置。 版权所有(C)2010,JPO&INPIT

    Fuel cell
    8.
    发明专利
    Fuel cell 有权
    燃料电池

    公开(公告)号:JP2009266632A

    公开(公告)日:2009-11-12

    申请号:JP2008115097

    申请日:2008-04-25

    CPC classification number: Y02E60/521

    Abstract: PROBLEM TO BE SOLVED: To provide a fuel cell capable of a non-humidification operation even when its temperature is set high. SOLUTION: This fuel cell is provided with: a membrane-electrode assembly; a pair of separators 102 and 103; an oxidizer gas passage 104 formed on the cathode side of the separator 102 for making an oxidizer gas to be supplied to the membrane-electrode assembly pass therethrough; and a fuel gas passage 105 formed on the anode side of the separator 103 for making a fuel gas to be supplied to the membrane-electrode assembly pass therethrough. In the fuel cell, the entrance part 100a of the oxidizer gas passage 104 and the exit part 100e of the fuel gas passage 105 are arranged adjacently to each other; the exit part 100b of the oxidizer gas passage 104 and the entrance part 100c of the fuel gas passage 105 are arranged adjacently to each other; and the opening area of the entrance part 100a of the oxidizer gas passage 104 is set larger than that of the exit part 100b of the oxidizer gas passage 104. The opening area of the entrance part 100c of the fuel gas passage 105 is set smaller than that of the exit part 100d of the fuel gas passage 105. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:即使在其温度设定为高的情况下,也能够提供能够进行非加湿动作的燃料电池。 解决方案:该燃料电池设置有:膜 - 电极组件; 一对分离器102和103; 在隔膜102的阴极侧形成的氧化剂气体通道104,用于使供给到膜 - 电极接合体的氧化剂气体通过; 在隔板103的阳极侧形成有用于使供给到膜电极接合体的燃料气体通过的燃料气体通路105。 在燃料电池中,氧化剂气体通道104的入口部分100a和燃料气体通道105的出口部分100e彼此相邻布置; 氧化剂气体通道104的出口部分100b和燃料气体通道105的入口部分100c彼此相邻布置; 并且氧化剂气体通道104的入口部分100a的开口面积被设定为大于氧化剂气体通道104的出口部分100b的开口面积。燃料气体通道105的入口部分100c的开口面积被设定为小于 燃料气体通道105的出口部分100d。版权所有(C)2010,JPO&INPIT

    Fuel cell system
    9.
    发明专利
    Fuel cell system 审中-公开
    燃油电池系统

    公开(公告)号:JP2009110684A

    公开(公告)日:2009-05-21

    申请号:JP2007278629

    申请日:2007-10-26

    CPC classification number: Y02E60/521

    Abstract: PROBLEM TO BE SOLVED: To quickly start power generation startup for a fuel cell stack by preventing freezing of product water and a cooling medium inside under a low-temperature environment below freezing point.
    SOLUTION: An air guide-in channel 6 branched from an air supply channel 21 reaching an air compressor 23 is connected to a cooling water supply channel 41 of a cooling water circulation system 4 for cooling a fuel cell stack 1 through a flow channel switching valve 63. To a cooling water exhaust channel 42 of the cooling water circulation channel 4, a cooling water recovery channel reaching a cooling water tank 71 is connected through a flow channel switching valve 72. At stoppage of operation, at the same time as a scavenging treatment, air pressurized by the air compressor 23 is guided in from the air guide-in channel 6 into a cooling water flow channel 45 in the fuel cell stack 1 to recover cooling water to the cooling water tank 71.
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题:通过在低于冰点的低温环境下防止产品水和冷却介质的内部冻结来快速启动燃料电池堆的发电启动。 解决方案:从空气供应通道21分支到达空气压缩机23的空气引导通道6连接到冷却水循环系统4的冷却水供应通道41,用于通过流动来冷却燃料电池堆1 通道切换阀63.向冷却水循环通道4的冷却水排出通道42通过流路切换阀72连接到冷却水箱71的冷却水回收通道。同时停止运转 作为清扫处理,由空气压缩机23加压的空气从空气引导通道6引导到燃料电池堆1中的冷却水流路45中,以回收冷却水箱71的冷却水。 版权所有(C)2009,JPO&INPIT

    Fuel cell device
    10.
    发明专利
    Fuel cell device 审中-公开
    燃料电池装置

    公开(公告)号:JP2007294233A

    公开(公告)日:2007-11-08

    申请号:JP2006120765

    申请日:2006-04-25

    CPC classification number: Y02E60/521

    Abstract: PROBLEM TO BE SOLVED: To correctly estimate only the cross-leaked hydrogen gas in a fuel cell device having a fuel cell generating electric power by reacting hydrogen gas in an electrode on an electrolyte membrane.
    SOLUTION: The fuel cell device 1 is equipped with a fuel cell 2 having an electrolyte membrane 20 on both sides of which electrodes 21, 22 are arranged, and generating electric power by electrochemical reaction of hydrogen gas supplied to the electrode 21 on one side and oxidative gas supplied to the electrode 22 on the other side. The fuel cell device 1 is equipped with a current detector 4 detecting current of electric power generated based on the concentration difference of hydrogen generated between the electrodes 21, 22 through the electrolyte membrane 20, by supplying hydrogen gas to only the electrode 21 on one side; a hydrogen detector 3 detecting hydrogen in offgas exhausted from the electrode 22 on the other side; and a penetrated hydrogen amount estimation means 5 (6) estimating the amount of hydrogen penetrated through the electrolyte membrane 20 and leaked, based on a detected value of the current detector 4 and a detected value of the hydrogen detector 3.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:为了正确地估计具有通过在电解质膜上的电极中的氢气反应而产生电力的燃料电池的燃料电池装置中的交叉泄漏的氢气。 解决方案:燃料电池装置1配备有在其两侧布置有电极21,22的电解质膜20的燃料电池2,并且通过供给到电极21的氢气的电化学反应产生电力 一面和另一侧供给到电极22的氧化气体。 燃料电池装置1配备有电流检测器4,该电流检测器4基于通过电解质膜20在电极21,22之间产生的氢的浓度差而产生的电力的电流,通过仅向一侧的电极21供给氢气 ; 氢检测器3,其检测另一侧从电极22排出的废气中的氢; 以及基于电流检测器4的检测值和氢检测器3的检测值来估计渗透到电解质膜20中并被泄漏的氢的量的穿透氢量估计单元5(6)。版权所有: (C)2008,JPO&INPIT

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