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11.发明公开
公开(公告)号：EP1079451A3
公开(公告)日：2003-08-06
申请号：EP00118582.6
申请日：2000-08-25
发明人： Sugawara, Yasushi , Gyoten, Hisaaki , Uchida, Makoto , Yasumoto, Eiichi , Kanbara, Teruhisa , Morita, Junji
CPC分类号： H01M4/881 , H01M4/8807 , H01M4/8828 , H01M4/886 , H01M4/926 , H01M8/1004 , H01M2300/0082 , Y02P70/56
摘要： There is provided a polymer electrolyte fuel cell which comprises a pair of electrodes, a polymer electrolyte membrane interposed between the pair of the electrodes, a first conductive separator having a channel for supplying an oxidant gas to one of the electrodes therethrough, and a second conductive separator having a channel for supplying a fuel gas to the other of said electrodes therethrough, wherein at least one of the electrodes comprises a porous catalyst layer formed on the surface of the polymer electrolyte membrane, or formed on the surface of a porous conductive base material, the porous catalyst layer facing the polymer electrolyte membrane.
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公开(公告)号：EP0917225B1
公开(公告)日：2001-04-18
申请号：EP98121041.2
申请日：1998-11-05
发明人： Ohara, Hideo , Uchida, Makoto , Sugawara, Yasushi
CPC分类号： H01M8/065 , H01M8/00 , H01M8/0267 , H01M8/0273 , H01M8/04007 , H01M8/04089 , H01M8/04225 , H01M8/04228 , H01M8/241 , H01M8/242 , H01M8/2465 , H01M8/2483 , H01M8/249 , H01M2300/0082
摘要： Fuel cell apparatus of a compact size using a hydrogen storage alloy, in which heat can be efficiently transmitted from fuel cell bodies to the hydrogen storage alloy. The fuel cell apparatus includes a plurality of fuel cell bodies (1), a hydrogen storage tank (3), a hydrogen supply device for supplying hydrogen to the fuel cell bodies from the hydrogen storage tank, an air feed device (2) for supplying the air, supplying oxygen, a secondary battery (8), and a casing receiving the above components therein, and the casing (10) has air intake ports (11) and an air discharge port (12) for the air feed device, and is formed into such a construction as to enable the hydrogen storage tank to be introduced into and removed from the casing. The hydrogen storage tank for supplying anode fuel to the fuel cell bodies is disposed on that side surface of each of at least one pair of fuel cell bodies, facing away from a cathode fuel-supplying inlet thereof, through a heat transmission device (9). With this construction, the energy of heat, generated by the fuel cell bodies, is efficiently transmitted to the hydrogen storage tank, and the stable supply of the hydrogen can be achieved, and the whole of the power system can be formed into a compact design.
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公开(公告)号：EP1059686A2
公开(公告)日：2000-12-13
申请号：EP00112150.8
申请日：2000-06-06
发明人： Gyoten, Hisaaki , Uchida, Makoto , Yasumoto, Eiichi , Kusakabe, Hiroki , Sugawara, Yasushi , Hori, Yoshihiro
CPC分类号： H01M8/1004 , H01M8/0202
摘要： A polymer electrolyte fuel cell comprising an anode, a cathode, a polymer electrolyte membrane interposed between the anode and the cathode, an anode-side separator plate having a gas flow path to supply fuel gas to the anode and a cathode-side separator plate having a gas flow path to supply oxidant gas to the cathode. Each of the anode and the cathode comprises a catalyst layer in contact with the polymer electrolyte membrane, an electrode supporting material having gas permeability and electronic conductivity, and a water repellent layer interposed between the catalyst layer and the electrode supporting material. The water repellent layer has through holes through which the catalyst layer and the electrode supporting material are electrically connected.
摘要翻译： 一种聚合物电解质燃料电池，包括阳极，阴极，介于阳极和阴极之间的聚合物电解质膜，具有用于向阳极供应燃料气体的气体流动路径的阳极侧隔板和具有用于向阳极供应燃料气体的阴极侧隔板， 用于向阴极供应氧化剂气体的气体流动路径。 阳极和阴极中的每一个包括与聚合物电解质膜接触的催化剂层，具有透气性和电子导电性的电极支撑材料，以及插入在催化剂层和电极支撑材料之间的防水层。 防水层具有催化剂层和电极支撑材料电连接的通孔。
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14.发明公开Portable fuel cell apparatus containing hydrogen storage tank 有权Wasserstoffspeichertank enthaltender tragbarer Brennstoffzellenapparat
公开(公告)号：EP0917225A1
公开(公告)日：1999-05-19
申请号：EP98121041.2
申请日：1998-11-05
发明人： Ohara, Hideo , Uchida, Makoto , Sugawara, Yasushi
CPC分类号： H01M8/065 , H01M8/00 , H01M8/0267 , H01M8/0273 , H01M8/04007 , H01M8/04089 , H01M8/04225 , H01M8/04228 , H01M8/241 , H01M8/242 , H01M8/2465 , H01M8/2483 , H01M8/249 , H01M2300/0082
摘要： Fuel cell apparatus of a compact size using a hydrogen storage alloy, in which heat can be efficiently transmitted from fuel cell bodies to the hydrogen storage alloy. The fuel cell apparatus includes a plurality of fuel cell bodies (1), a hydrogen storage tank (3), a hydrogen supply device for supplying hydrogen to the fuel cell bodies from the hydrogen storage tank, an air feed device (2) for supplying the air, supplying oxygen, a secondary battery (8), and a casing receiving the above components therein, and the casing (10) has air intake ports (11) and an air discharge port (12) for the air feed device, and is formed into such a construction as to enable the hydrogen storage tank to be introduced into and removed from the casing. The hydrogen storage tank for supplying anode fuel to the fuel cell bodies is disposed on that side surface of each of at least one pair of fuel cell bodies, facing away from a cathode fuel-supplying inlet thereof, through a heat transmission device (9). With this construction, the energy of heat, generated by the fuel cell bodies, is efficiently transmitted to the hydrogen storage tank, and the stable supply of the hydrogen can be achieved, and the whole of the power system can be formed into a compact design.
摘要翻译： 使用储氢合金的小尺寸的燃料电池装置，其中能够将热量从燃料电池体有效地传递到储氢合金。 燃料电池装置包括多个燃料电池体（1），氢储罐（3），用于从储氢罐向燃料电池体供给氢的氢供给装置，供给装置 空气供给氧，二次电池（8）和容纳上述部件的壳体，壳体（10）具有用于供气装置的进气口（11）和排气口（12），以及 形成为使得储氢罐能够被引入壳体和从外壳移除的结构。 用于向燃料电池体供给阳极燃料的储氢罐通过热传输装置（9）设置在至少一对燃料电池体的每一个的侧面上，该侧表面背离其阴极燃料供给口， 。 通过这种结构，由燃料电池体产生的热能被有效地传递到储氢罐，可以实现氢的稳定供给，整个动力系统可以形成为紧凑的设计 。
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15.发明公开Fuel cell system, fuel cell operation method, program, and recording medium 审中-公开一种燃料电池系统，用于操作燃料电池的方法，程序和存储介质
公开(公告)号：EP1501146A3
公开(公告)日：2007-04-25
申请号：EP04017146.4
申请日：2004-07-20
IPC分类号： H01M8/04
CPC分类号： H01M8/04305 , G01R31/3651 , G01R31/3662 , H01M8/04223 , H01M8/04225 , H01M8/04231 , H01M8/04298
摘要： There have been insufficient highly reliable responses appropriate to the causes of power generation abnormalities in fuel cells that generate power by supplying an oxidizing agent containing oxygen to the cathode and by supplying a fuel gas containing hydrogen to the anode. In order to overcome this problem the invention provides for a fuel cell power generation system equipped with a means that includes AC signal generation block 503 and load 502 that varies the load current for fuel cell 501, which operates to generate power; voltage measurement block 504 that measures the voltage response to the load current variation; impedance measurement block 505 that computes the impedance of fuel cell 501, based on the results of the measurement of the voltage response; and fuel cell control block 506 that varies the operating conditions of fuel cell 501, by utilizing the impedance computation results.
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16.发明公开Fuel cell and method of producing a fuel cell 审中-公开Brennstoffzelle und Verfahren zur Herstellung einer Brennstoffzelle
公开(公告)号：EP1469540A3
公开(公告)日：2006-09-20
申请号：EP04008895.7
申请日：2004-04-14
IPC分类号： H01M8/02
CPC分类号： H01M8/0271 , H01M8/0247 , H01M8/026 , H01M8/0263 , H01M8/0273 , H01M8/1004 , H01M8/1018 , H01M8/2483 , Y02P70/56
摘要： The invention refers to a fuel cell comprising an electrode, said electrode having an edge portion defining an inner portion and said electrode being under pressure.
According to the invention, at least a part of said edge portion is under less pressure as compared to at least a part of said inner portion.摘要翻译： 本发明涉及一种包括电极的燃料电池，所述电极具有限定内部部分的边缘部分和所述电极处于压力下。 根据本发明，与所述内部部分的至少一部分相比，所述边缘部分的至少一部分处于较小的压力下。
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公开(公告)号：EP0917226A3
公开(公告)日：2005-06-22
申请号：EP98121040.4
申请日：1998-11-05
发明人： Sugawara, Yasushi , Uchida, Makoto , Ohara, Hideo , Fukuoka, Yuko , Eda, Nobuo
IPC分类号： H01M8/10
CPC分类号： H01M4/8807 , H01M4/926 , H01M4/96 , H01M8/04291 , H01M8/1004 , H01M2300/0082
摘要： A gas diffusion layer comprising an electroconductive porous material and 16-55% by weight of fluororesin added thereto is used for at least one of the positive electrode and the negative electrode, whereby the water-retaining property of the inside of the membrane/electrodes assembly is improved without hindering gas diffusion to enable the polymer electrolyte to be moistened with water formed at the positive electrode, and resultantly a polymer electrolyte fuel cell which operates by unhumidified gas is provided.
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公开(公告)号：EP1524712A2
公开(公告)日：2005-04-20
申请号：EP04023330.6
申请日：2004-09-30
IPC分类号： H01M8/04
CPC分类号： H01M8/0662 , B01D53/885 , B01D2258/0208 , H01M8/04074 , H01M8/04134 , H01M8/04141
摘要： A fuel cell system is disclosed, including a fuel cell configured to generate an electric power using a fuel gas and an oxidizing gas supplied to the fuel cell, and a total enthalpy heat exchanger configured to heat and humidify the oxidizing gas using heat and water exhausted from the fuel cell, wherein the total enthalpy heat exchanger is capable of removing impurities contained in the oxidizing gas from the oxidizing gas.
摘要翻译： 公开了一种燃料电池系统，包括：燃料电池，被配置为使用供应到燃料电池的燃料气体和氧化气体来产生电力;以及总热焓热交换器，被配置为使用加热和排出的水来加热和加湿氧化气体 来自燃料电池，其中总焓热交换器能够从氧化气体中去除包含在氧化气体中的杂质。
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公开(公告)号：EP1416561A3
公开(公告)日：2005-04-06
申请号：EP03024540.1
申请日：2003-10-27
发明人： Takebe, Yasuo , Hatoh, Kazuhito , Kusakabe, Hiroki , Kanbara, Teruhisa , Uchida, Makoto , Kosako, Shinya , Tsuji, Yoichiro , Sugawara, Yasushi , Morita, Junji , Arisaka, Shinichi , Urata, Takayuki , Umeda, Takahiro , Shibata, Soichi
IPC分类号： H01M8/04
CPC分类号： H01M8/0488 , H01M8/0271 , H01M8/04082 , H01M8/04223 , H01M8/04231 , H01M8/04302 , H01M8/04303 , H01M8/04365 , H01M8/04559 , H01M8/04753 , H01M8/0494 , H01M2008/1095
摘要： To provide an operation method of a fuel cell system which even when the fuel cell repeats stop and start, can avoid degradation of the fuel cell and a fuel cell system for carrying out the method. An operation method of a fuel cell system which is provided with a fuel cell having at least one cell provided with an electrolyte, an anode and a cathode each having a platinum based metallic catalyst, the electrolyte being put between the anode and the cathode, and a pair of separator plates having formed thereon gas passages for feeding a fuel gas into the anode and feeding an oxidizing agent gas into the cathode, respectively and which switches connection and disconnection between the fuel cell and a load, wherein feeding of the oxidizing agent gas into the cathode and feeding of the fuel gas into the anode are continued until a prescribed period of time elapses after disconnection between the fuel cell and the load, and thereafter, feeding of each of the oxidizing agent gas and the fuel gas is stopped, thereby controlling the operation such that the time when the cell of the fuel cell has a voltage of 0.9 V or more falls within 10 minutes.
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20.发明公开Electrolyte membrane-electrode assembly for fuel cell and operation method of fuel cell using the same 有权ElektrodenmembrananordnungfürBrennstoffzelle und Betriebsverfahren dieser Anordnung enthaltende Brennstoffzelle
公开(公告)号：EP1429410A1
公开(公告)日：2004-06-16
申请号：EP03028278.4
申请日：2003-12-10
发明人： Yoshida, Akihiko , Hori, Yoshihiro , Sakai, Osamu , Uchida, Makoto , Yasumoto, Eiichi , Kosako, Shinya
CPC分类号： H01M8/1004 , H01M4/8605 , H01M8/04119
摘要： With respect to a carbon fiber woven fabric to be used as a gas diffusion layer base material in a polymer electrolyte fuel cell, the surface thereof is smoothed and further optimized such that non-uniform infiltration of a coating for water-repellent-layer formation is inhibited, to provide an electrolyte membrane-electrode assembly suitable for an operation under a high humidification condition.
As the gas diffusion layer base material used is a carbon fiber woven fabric, wherein a ratio of the area of gap portions where neither warp thread nor weft thread exists: (10/W-Y)(10/Z-X) to the area of portions where warp thread is crossing weft thread: XY mm 2 is in the range of 1/1500 to 1/5, when the carbon fiber woven fabric has a warp density of Z threads/cm, a weft density of W threads/cm, a warp thickness of X mm and a weft thickness of Y mm.摘要翻译： 关于在聚合物电解质燃料电池中用作气体扩散层基材的碳纤维织物，其表面被平滑化并进一步优化，使得防水层形成用涂层的不均匀渗透为 抑制，以提供适于在高加湿条件下的操作的电解质膜 - 电极组件。 由于使用的气体扩散层基材是碳纤维织物，其中存在无经线和纬纱的间隙部分的面积比（10 / WY）（10 / ZX）与面积 经纱穿过纬纱的部分：XY mm 2在1/1500至1/5的范围内，当碳纤维织物的经纱密度为Z线/厘米，纬纱的纬密度 / cm，经纱厚度Xmm，纬纱厚度Ymm。
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