-
公开(公告)号:US07005205B1
公开(公告)日:2006-02-28
申请号:US10069900
申请日:2000-08-30
申请人: Hisaaki Gyoten , Osamu Sakai , Kazuhito Hatoh , Junji Niikura , Hideo Ohara , Kazufumi Nishida
发明人: Hisaaki Gyoten , Osamu Sakai , Kazuhito Hatoh , Junji Niikura , Hideo Ohara , Kazufumi Nishida
IPC分类号: H01M2/00
CPC分类号: H01M8/0226 , H01M8/0206 , H01M8/021 , H01M8/0213 , H01M8/0221 , H01M8/0228 , H01M2300/0082 , Y02P70/56
摘要: A polymer-electrolyte fuel cell having: an electrolyte membrane-electrode assembly having a polymer-electrolyte membrane and a pair of gas-diffusion electrodes sandwiching the polymer-electrolyte membrane; a first electroconductive separator having a gas channel for supplying an oxidant gas to one of the gas-diffusion electrodes of said pair; and a second electroconductive separator having a gas channel for supplying a fuel gas to the other of the gas-diffusion electrodes of the pair. The polymer-electrolyte fuel cell is characterized in that: at least one of the first and second electroconductive separators has a metal substrate and an electroconductive resin layer on the substrate and contacting the electrolyte membrane-electrode assembly; and the electroconductive resin layer has a resin having water-repellant or basic radicals, and an electroconductive particulate substance which has a carbon powder of a specific surface area of less than 100 m2/g.
摘要翻译: 一种聚合物 - 电解质燃料电池,具有:具有聚合物电解质膜的电解质膜 - 电极组件和夹着所述聚合物电解质膜的一对气体扩散电极; 第一导电分离器,具有用于向所述对的气体扩散电极之一供给氧化剂气体的气体通道; 以及具有用于将燃料气体供给到该对气体扩散电极中的另一个的气体通道的第二导电隔离器。 聚合物 - 电解质燃料电池的特征在于:第一和第二导电隔板中的至少一个在基板上具有金属基板和导电树脂层并与电解质膜 - 电极组件接触; 并且导电树脂层具有具有防水性或碱性自由基的树脂和具有比表面积小于100m 2 / g的碳粉末的导电性颗粒物质。
-
公开(公告)号:US07144645B2
公开(公告)日:2006-12-05
申请号:US10875056
申请日:2004-06-23
申请人: Kazuhito Hatoh , Osamu Sakai , Hideo Ohara , Junji Niikura , Hisaaki Gyoten , Toshihiro Matsumoto , Teruhisa Kanbara
发明人: Kazuhito Hatoh , Osamu Sakai , Hideo Ohara , Junji Niikura , Hisaaki Gyoten , Toshihiro Matsumoto , Teruhisa Kanbara
IPC分类号: H01M8/00
CPC分类号: H01M8/04119 , H01M8/04007 , H01M8/04029 , H01M8/04089 , H01M8/04328 , H01M8/04335 , H01M8/04365 , H01M8/04388 , H01M8/04395 , H01M8/045 , H01M8/04507 , H01M8/04589 , H01M8/04708 , H01M8/04716 , H01M8/04723 , H01M8/04753 , H01M8/04768 , H01M8/04835 , H01M8/04843 , H01M8/0491 , H01M8/04992 , H01M8/1007 , H01M2300/0082
摘要: An operation method is provided for a polymer electrolyte fuel cell in an optimum operating condition by regulating the cell by a function represented by a gas flow rate and the difference between a saturated steam pressure and an actual steam pressure, by regulating an in-plane temperature distribution obtained by a cooling water flow direction and by the regulation of a cooling water inlet temperature and a cooling water flow amount; a gas supply amount; a supplied moisture amount; and a current density.
摘要翻译: 通过调节由气体流量和饱和蒸汽压力与实际蒸汽压力之间的差异来表征的功能,通过调节面内温度来提供在最佳操作条件下的聚合物电解质燃料电池的操作方法 通过冷却水流动方向和通过调节冷却水入口温度和冷却水流量获得的分布; 供气量; 供应的水分量; 和电流密度。
-
公开(公告)号:US06830840B1
公开(公告)日:2004-12-14
申请号:US10019975
申请日:2001-10-23
申请人: Kazuhito Hatoh , Osamu Sakai , Hideo Ohara , Junji Niikura , Hisaaki Gyoten , Toshihiro Matsumoto , Teruhisa Kanbara
发明人: Kazuhito Hatoh , Osamu Sakai , Hideo Ohara , Junji Niikura , Hisaaki Gyoten , Toshihiro Matsumoto , Teruhisa Kanbara
IPC分类号: H01M804
CPC分类号: H01M8/04119 , H01M8/04007 , H01M8/04029 , H01M8/04089 , H01M8/04328 , H01M8/04335 , H01M8/04365 , H01M8/04388 , H01M8/04395 , H01M8/045 , H01M8/04507 , H01M8/04589 , H01M8/04708 , H01M8/04716 , H01M8/04723 , H01M8/04753 , H01M8/04768 , H01M8/04835 , H01M8/04843 , H01M8/0491 , H01M8/04992 , H01M8/1007 , H01M2300/0082
摘要: The present invention discloses an operation method for a polymer electrolyte fuel cell in an optimum operating condition by regulating the cell by a function represented by a gas flow rate and the difference between a saturated steam pressure and an actual steam pressure, by regulating an in-plane temperature distribution obtained by a cooling water flow direction and by the regulations of a cooling water inlet temperature and a cooling water flow amount; a gas supply amount; a supplied moisture amount; and a current density.
摘要翻译: 本发明公开了一种通过调节由气体流量和饱和蒸汽压力与实际蒸汽压力之间的差异表示的功能来调节电池的处于最佳工作状态的聚合物电解质燃料电池的操作方法, 通过冷却水流动方向获得的平面温度分布和冷却水入口温度和冷却水流量的规定; 供气量; 供应的水分量; 和电流密度。
-
公开(公告)号:US06746793B1
公开(公告)日:2004-06-08
申请号:US09719664
申请日:2000-12-15
申请人: Hisaaki Gyoten , Eiichi Yasumoto , Kazuhito Hatoh , Makoto Uchida , Yasushi Sugawara , Teruhisa Kanbara , Junji Morita , Hideo Ohara , Kazufumi Nishida , Osamu Sakai , Yukiyoshi Ono , Yasuo Takebe
发明人: Hisaaki Gyoten , Eiichi Yasumoto , Kazuhito Hatoh , Makoto Uchida , Yasushi Sugawara , Teruhisa Kanbara , Junji Morita , Hideo Ohara , Kazufumi Nishida , Osamu Sakai , Yukiyoshi Ono , Yasuo Takebe
IPC分类号: H01M802
CPC分类号: H01M4/8642 , H01M4/8605 , H01M4/926 , H01M8/1004 , H01M2300/0082
摘要: The polymer electrolyte fuel cell of the present invention exhibits an excellent performance with an efficient electrode reaction; by providing a layer comprising an electroconductive fine particle between the catalytic reaction layer and the gas diffusion layer in the electrodes; by providing a hydrogen ion diffusion layer on at least either surface of the catalyst particle or the carrier, which carries the catalyst particle in the catalytic reaction layer; or by constituting the catalytic reaction layer with at least a catalyst comprising a hydrophilic carbon material with catalyst particles carried thereon and a water repellent carbon material.
摘要翻译: 本发明的高分子电解质型燃料电池具有优异的电极反应性能, 通过在催化反应层和电极中的气体扩散层之间提供包含导电细颗粒的层; 通过在催化剂颗粒或载体的至少任一个表面上提供氢离子扩散层,其在催化反应层中承载催化剂颗粒; 或者通过使至少包含亲水性碳材料的催化剂与承载有催化剂颗粒的催化反应层和防水性碳材料构成。
-
公开(公告)号:US06660424B1
公开(公告)日:2003-12-09
申请号:US09763263
申请日:2001-02-20
申请人: Hisaaki Gyoten , Eiichi Yasumoto , Makoto Uchida , Yasushi Sugawara , Kazufumi Nishida , Kazuhito Hatoh , Yukiyoshi Ono , Hideo Ohara , Junji Morita , Yasuo Takebe , Teruhisa Kanbara , Osamu Sakai
发明人: Hisaaki Gyoten , Eiichi Yasumoto , Makoto Uchida , Yasushi Sugawara , Kazufumi Nishida , Kazuhito Hatoh , Yukiyoshi Ono , Hideo Ohara , Junji Morita , Yasuo Takebe , Teruhisa Kanbara , Osamu Sakai
IPC分类号: H01M214
CPC分类号: H01M8/0221 , H01M8/0223 , H01M8/0239 , H01M8/0241 , H01M8/1004 , H01M8/1007 , H01M8/2404 , H01M8/241 , H01M8/2457 , H01M2300/0082 , Y02P70/56 , Y10T29/49115
摘要: The specification discloses a fuel cell comprising stacked unit cells, each of the unit cells including a pair of electrodes having a catalytic reaction layer and a gas diffusion layer, an electrolyte layer disposed between the pair of electrodes, a separator having a flow path for supplying a fuel gas to one electrode and a separator having a flow path for supplying an oxidant gas to the other electrode, the separators being placed on the outer side of the electrodes and the unit cells being stacked with the separators placed therebetween, wherein at least the catalytic reaction layer, the gas diffusion layer or the flow path has water-repelling properties. Thereby, a fuel cell having a superior cell performance is obtained.
摘要翻译: 本说明书公开了一种燃料电池,其包括堆叠的单元电池,每个单元电池包括具有催化反应层和气体扩散层的一对电极,设置在该对电极之间的电解质层,具有用于供给的流路的隔板 一个电极的燃料气体和一个具有用于向另一个电极供应氧化剂气体的流动路径的隔板,隔板被放置在电极的外侧上,并且单元电池被堆叠在一起,隔板之间放置有至少 催化反应层,气体扩散层或流路具有防水性。 由此,获得具有优异的电池性能的燃料电池。
-
公开(公告)号:US06638655B2
公开(公告)日:2003-10-28
申请号:US09829465
申请日:2001-04-10
申请人: Hisaaki Gyoten , Osamu Sakai , Kazuhito Hatoh , Junji Niikura , Makoto Uchida
发明人: Hisaaki Gyoten , Osamu Sakai , Kazuhito Hatoh , Junji Niikura , Makoto Uchida
IPC分类号: H01M812
CPC分类号: H01M8/04044 , H01M8/04029 , H01M8/04126
摘要: The invention provides a fuel cell system that is free from troubles due to contaminant ions by controlling the concentration of contaminant ions in cooling water. The fuel cell system comprises a fuel cell stack and a means for controlling the cell temperature by circulating a liquid coolant in the fuel cell stack or bringing it in contact with the fuel cell stack, the fuel cell stack comprising a plurality of unit cells that are laid one upon another, each of the unit cells comprising a hydrogen ion-conductive electrolyte membrane, a pair of gas diffusion electrodes which sandwich the electrolyte membrane, an anode-side conductive separator plate having a gas flow path for supplying a fuel gas to one of the electrodes, and a cathode-side conductive separator plate having a gas flow path for supplying an oxidant gas to the other of the electrodes, wherein a material adsorbing or absorbing ions is provided on a portion of the fuel cell system to come in contact with the liquid coolant.
摘要翻译: 本发明提供了一种燃料电池系统,其通过控制冷却水中污染物离子的浓度而不会由于污染物离子而引起的麻烦。 燃料电池系统包括燃料电池堆和用于通过使燃料电池堆中的液体冷却剂循环或使其与燃料电池堆接触来控制电池温度的装置,该燃料电池堆包括多个单电池, 彼此叠置,每个单电池包括氢离子传导电解质膜,一对夹着电解质膜的气体扩散电极,具有用于将燃料气体供应到一个的气体流路的阳极侧导电隔板 以及阴极侧导电性隔板,其具有用于将氧化剂气体供给到另一个电极的气体流路,其中吸附或吸收离子的材料设置在燃料电池系统的一部分上以接触 与液体冷却剂。
-
7.
公开(公告)号:US06881510B1
公开(公告)日:2005-04-19
申请号:US10088111
申请日:2000-09-14
申请人: Hisaaki Gyoten , Teruhisa Kanbara , Makoto Uchida , Kazuhito Hatoh , Osamu Sakai
发明人: Hisaaki Gyoten , Teruhisa Kanbara , Makoto Uchida , Kazuhito Hatoh , Osamu Sakai
CPC分类号: H01M8/0662 , H01M8/0258 , H01M8/0267 , H01M8/0273 , H01M8/04104 , H01M8/04223 , H01M8/04679 , H01M8/0488 , H01M8/0491 , H01M8/04952 , H01M8/241 , H01M8/2483 , H01M2300/0082
摘要: The present invention restores the performance of a fuel cell by: operating the cell in a loaded current mode different from that of a normal operation for a predetermined time; supplying an oxidant gas and a fuel gas to an anode and a cathode respectively and outputting a current from a cell body with the polarity being inverted; supplying a pressurized gas to at least one of the cathode and anode in an amount not less than 1.5 times as much as that in the normal operation or supplying oxygen to the cathode; or injecting a cleaning solution into the cathode and anode through a gas flow path. Consequently, it is possible to effectively restore a degraded performance of a polymer electrolyte fuel cell caused by a long operation.
摘要翻译: 本发明通过以下方式恢复燃料电池的性能:在与预定时间的正常运行不同的负载电流模式下操作电池; 分别向阳极和阴极供给氧化剂气体和燃料气体,并从极性反转的电池体输出电流; 向阴极和阳极中的至少一个供给加压气体,其量不小于正常操作的1.5倍或向阴极供应氧气; 或者通过气体流动路径将清洁溶液注入阴极和阳极。 因此,可以有效地恢复由长时间操作引起的聚合物电解质燃料电池的劣化性能。
-
公开(公告)号:US06991870B2
公开(公告)日:2006-01-31
申请号:US10296338
申请日:2002-03-05
申请人: Eiichi Yasumoto , Akihiko Yoshida , Makoto Uchida , Junji Morita , Yasushi Sugawara , Hisaaki Gyoten , Masao Yamamoto , Osamu Sakai , Junji Niikura
发明人: Eiichi Yasumoto , Akihiko Yoshida , Makoto Uchida , Junji Morita , Yasushi Sugawara , Hisaaki Gyoten , Masao Yamamoto , Osamu Sakai , Junji Niikura
CPC分类号: H01M4/8828 , H01M4/8605 , H01M4/8807 , H01M4/8882 , H01M4/926 , H01M8/1004 , H01M2300/0082
摘要: It has been difficult to keep the voltage of a polymer electrolyte fuel cell stable for a long period of time because uniform water content control over the plane of the membrane-electrode assembly is impossible. A gas diffusion electrode is produced by forming a conductive polymer layer composed of conductive particles and a polymer material on a porous material composed of carbon fiber, and forming a catalyst layer composed of platinum-carried carbon particles on the plane of the conductive polymer layer. The conductive polymer layer is composed of conductive particles different in particle size, and the content of the conductive particles having the smaller particle size is decreased from one end towards the other end of the gas diffusion electrode.
-
公开(公告)号:US07097932B1
公开(公告)日:2006-08-29
申请号:US10088484
申请日:2000-09-20
申请人: Osamu Sakai , Hisaaki Gyoten , Hiroki Kusakabe , Eiichi Yasumoto , Yasushi Sugawara , Teruhisa Kanbara , Akihiko Yoshida , Makoto Uchida , Junji Morita
发明人: Osamu Sakai , Hisaaki Gyoten , Hiroki Kusakabe , Eiichi Yasumoto , Yasushi Sugawara , Teruhisa Kanbara , Akihiko Yoshida , Makoto Uchida , Junji Morita
IPC分类号: H01M4/96
CPC分类号: H01M4/8657 , H01M4/8636 , H01M8/0234 , H01M8/0245 , H01M8/1004 , H01M8/1007 , H01M8/241 , H01M8/2415 , H01M8/2457 , H01M8/2484 , H01M2250/20 , H01M2250/402 , H01M2300/0082 , Y02B90/12 , Y02E60/521 , Y02P70/56 , Y02P90/40 , Y02T90/32 , Y10T29/49108
摘要: A polymer electrolyte fuel cell is provided comprising: a hydrogen ion conductive polymer electrolyte membrane; an anode and a cathode sandwiching the hydrogen ion conductive polymer electrolyte membrane; an anode side electroconductive separator having a gas channel for supplying a fuel gas to the anode; a cathode side electroconductive separator having a gas channel for supplying an oxidant gas to the cathode; characterized in that the anode and the cathode comprise a gas diffusion layer and a catalyst layer formed on the gas diffusion layer at the side in contact with the hydrogen ion conductive polymer electrolyte membrane, the catalyst layer has catalyst particles and a hydrogen ion conductive polymer electrolyte, and at least either of hydrogen ion conductivity and gas permeability of at least either of the anode and the cathode varies in a thickness direction of the anode or the cathode.
摘要翻译: 提供了一种聚合物电解质燃料电池,包括:氢离子导电聚合物电解质膜; 夹持氢离子导电聚合物电解质膜的阳极和阴极; 阳极侧导电隔板,具有用于向阳极供应燃料气体的气体通道; 阴极侧导电隔板,具有用于向阴极供给氧化剂气体的气体通道; 其特征在于,阳极和阴极包括气体扩散层和形成在与氢离子导电聚合物电解质膜接触的一侧的气体扩散层上的催化剂层,催化剂层具有催化剂颗粒和氢离子导电聚合物电解质 并且至少阳极和阴极中的任一个的氢离子传导性和气体渗透性中的至少一种在阳极或阴极的厚度方向上变化。
-
公开(公告)号:US06541144B2
公开(公告)日:2003-04-01
申请号:US09829454
申请日:2001-04-10
申请人: Hisaaki Gyoten , Hiroki Kusakabe , Eiichi Yasumoto , Osamu Sakai
发明人: Hisaaki Gyoten , Hiroki Kusakabe , Eiichi Yasumoto , Osamu Sakai
IPC分类号: H01M818
CPC分类号: H01M8/184 , H01M4/8631 , H01M4/92 , H01M8/0637 , H01M8/1004 , H01M8/1009 , Y02E60/523 , Y02E60/528 , Y02E60/566
摘要: A fuel cell system includes a first electrolyte-electrode assembly which comprises a hydrogen ion-conductive electrolyte layer, and a fuel electrode and a hydrogen-generating electrode that sandwich the electrolyte layer; a second electrolyte-electrode assembly which comprises a hydrogen ion-conductive electrolyte layer, and a fuel electrode and an oxidant electrode that sandwich the electrolyte layer; a fuel supplying means for supplying a liquid or gas fuel to the fuel electrode of the first electrolyte-electrode assembly; a means for applying to the fuel electrode of the first electrolyte-electrode assembly a potential which is positive to the hydrogen-generating electrode; and a means for supplying to the fuel electrode of the second electrolyte-electrode assembly hydrogen generated in the hydrogen-generating electrode.
摘要翻译: 燃料电池系统包括:第一电解质电极组件,其包括氢离子传导性电解质层;以及燃料电极和夹持电解质层的产氢电极; 包括氢离子传导电解质层的第二电解质电极组件和夹着电解质层的燃料电极和氧化剂电极; 燃料供给装置,用于将液体或气体燃料供应到第一电解质 - 电极组件的燃料电极; 向所述第一电解质电极组件的燃料电极施加对所述氢生成电极为正的电位的装置; 以及用于向在氢产生电极中产生的第二电解质 - 电极组件氢的燃料电极供应的装置。
-
-
-
-
-
-
-
-
-