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1. 发明授权

US06933067B2 Fuel cell 失效
标题翻译：燃料电池
公开(公告)号：US06933067B2
公开(公告)日：2005-08-23
申请号：US09911731
申请日：2001-07-25
申请人： Tatsuya Kawahara , Katsuhiko Kinoshita , Yoshitaka Kino , Toshiaki Ozaki
发明人： Tatsuya Kawahara , Katsuhiko Kinoshita , Yoshitaka Kino , Toshiaki Ozaki
IPC分类号： H01M4/86 , H01M4/88 , H01M8/02 , H01M8/04 , H01M8/10
CPC分类号： H01M8/04291 , H01M4/8605 , H01M8/0234 , H01M8/0239 , H01M8/0243 , H01M8/04007 , H01M8/04119 , H01M8/1007
摘要： A polymer electrolyte fuel cell includes an electrode including a catalyst layer and a diffusion layer. The catalyst layer is divided into a plurality of portions including an upstream portion and a downstream portion along a reactant gas flow direction. The upstream portion of the catalyst layer has a structure for preventing a drying-up of the cell, and the downstream portion of the catalyst layer has a structure for preventing a flooding of the cell. A structure of the diffusion layer also may differ between at the upstream portion and at the downstream portion.
摘要翻译：聚合物电解质燃料电池包括具有催化剂层和扩散层的电极。催化剂层沿着反应物气体流动方向被分成包括上游部分和下游部分的多个部分。催化剂层的上游部分具有防止电池干燥的结构，催化剂层的下游部分具有防止电池泛滥的结构。在上游部分和下游部分处，扩散层的结构也可以不同。

2. 发明授权

US06887286B1 Fuel reformer device 失效
标题翻译：燃油重整装置
公开(公告)号：US06887286B1
公开(公告)日：2005-05-03
申请号：US09720568
申请日：1999-07-02
申请人： Masayoshi Taki , Seiji Mizuno , Toshiaki Ozaki , Tatsuya Kawahara , Katsuhiko Kinoshita , Yoshimasa Negishi
发明人： Masayoshi Taki , Seiji Mizuno , Toshiaki Ozaki , Tatsuya Kawahara , Katsuhiko Kinoshita , Yoshimasa Negishi
IPC分类号： B01B1/00 , B01J8/00 , B01J8/02 , B01J8/04 , B01J8/06 , B01J8/08 , B01J8/10 , B01J19/24 , C01B3/32 , C01B3/38 , C10G35/04 , H01M8/06
CPC分类号： H01M8/0631 , B01B1/005 , B01J8/001 , B01J8/0207 , B01J8/0278 , B01J8/0285 , B01J8/0403 , B01J8/0446 , B01J8/0492 , B01J8/0496 , B01J8/067 , B01J8/085 , B01J8/087 , B01J8/10 , B01J19/2475 , B01J19/2485 , B01J2208/00061 , B01J2208/00088 , B01J2208/00106 , B01J2208/00309 , B01J2208/00362 , B01J2208/00548 , B01J2208/021 , B01J2219/00063 , B01J2219/00069 , B01J2219/00117 , B01J2219/00164 , B01J2219/002 , B01J2219/00213 , B01J2219/0022 , B01J2219/00231 , B01J2219/182 , C01B3/323 , C01B3/38 , C01B3/382 , C01B3/386 , C01B2203/0233 , C01B2203/0244 , C01B2203/044 , C01B2203/047 , C01B2203/066 , C01B2203/0811 , C01B2203/0822 , C01B2203/0827 , C01B2203/0833 , C01B2203/0844 , C01B2203/0866 , C01B2203/0877 , C01B2203/1017 , C01B2203/1023 , C01B2203/1035 , C01B2203/1041 , C01B2203/1064 , C01B2203/1076 , C01B2203/1082 , C01B2203/1223 , C01B2203/1235 , C01B2203/1288 , C01B2203/141 , C01B2203/142 , C01B2203/143 , C01B2203/1604 , C01B2203/1619 , C01B2203/1652 , C01B2203/1661 , C01B2203/169 , C01B2203/1695 , C01B2203/80 , C01B2203/82 , H01M8/0612 , H01M2300/0082 , Y02P20/128
摘要： The present invention is directed to a fuel reformer device that produces a hydrogen rich gas from a hydrocarbon and steam. The steam reforming reaction that produces the hydrogen rich gas from the hydrocarbon and steam is endothermic. A known technique supplies heat required for the steam reforming reaction by an exothermic oxidation reaction proceeding in parallel with the steam reforming reaction. This known technique may, however, cause an excessive temperature rise in an area of the vigorous oxidation reaction in the fuel reformer device.A reformer unit 34 including a Cu—Zn catalyst receives a supply of a crude fuel gas containing the air flown through a second fuel supply conduit 64. The crude fuel gas is subjected to the steam reforming reaction and the oxidation reaction proceeding inside the reformer unit 34. A resulting hydrogen rich gaseous fuel is discharged to a third fuel supply conduit 65. The reformer unit 34 includes an upper stream reaction unit 80 and a lower stream reaction unit 81. Both the reaction units 80 and 81 have honeycomb structures, wherein the total sectional area of the flow path in the upper stream reaction unit 80 is made smaller than the total sectional area of the flow path in the lower stream reaction unit 81. This arrangement causes the gas flowing through the reformer unit 34 to have the higher flow velocity on the upstream side than on the downstream side. The higher flow velocity on the upstream side extends the area of the vigorous oxidation reaction to the lower stream portion and enables the heat generated on the upstream side to be effectively transmitted to the lower stream portion. This arrangement thus effectively prevents an excessive temperature rise on the upstream side.
摘要翻译：本发明涉及一种从烃和蒸汽产生富氢气体的燃料重整装置。从烃和蒸汽产生富氢气体的蒸汽重整反应是吸热的。已知的技术通过与蒸汽重整反应并行进行的放热氧化反应来提供蒸汽重整反应所需的热量。然而，这种已知技术可能导致燃料重整装置中剧烈氧化反应区域中的过度温度升高。包含Cu-Zn催化剂的重整单元34接收含有通过第二燃料供应管道64流动的空气的粗燃料气体的供应。原料燃料气体进行蒸汽重整反应，氧化反应在重整单元34内进行。得到的富氢气体燃料被排放到第三燃料供应导管65。重整单元34包括上游反应单元80和下游反应单元81。反应单元80和81均具有蜂窝结构，其中上游反应单元80中的流路的总截面积小于下游反应单元81中的流路的总截面积。这种布置使得流过重整单元34的气体在上游侧具有比在下游侧更高的流速。上游侧的较高的流速将剧烈的氧化反应的面积扩大到下游部分，并使上游侧产生的热能够有效地传递到下游部分。因此，能够有效地防止上游侧的温度上升过高。

3. 发明授权

US06921604B2 DEVICE AND METHOD FOR EVALUATING PERFORMANCE OF FUEL CELLS, DEVICE AND METHOD FOR EVALUATING SPECIFIC SURFACE AREA OF FUEL-CELL ELECTRODE CATALYSTS, FUEL-CELL ELECTRODE CATALYST, AND METHOD OF MANUFACTURING THE SAME 失效
标题翻译：用于评价燃料电池性能的装置和方法，用于评价燃料电池催化剂的特定表面区域的装置和方法，燃料电池电极催化剂及其制造方法
公开(公告)号：US06921604B2
公开(公告)日：2005-07-26
申请号：US10778105
申请日：2004-02-17
申请人： Hisao Kato , Tatsuya Kawahara , Toshiaki Ozaki
发明人： Hisao Kato , Tatsuya Kawahara , Toshiaki Ozaki
IPC分类号： H01M4/92 , H01M8/04 , H01M8/10 , H01M4/86 , H01M4/90 , H01M4/96 , H01M6/00 , H01M8/00
CPC分类号： H01M4/926 , H01M4/92 , H01M8/04 , H01M8/1004 , H01M2300/0082 , Y02P70/56 , Y10T29/49108
摘要： A device and a method for simply and accurately evaluating-performance of fuel cells have been provided. Hydrogen gas and carbon monoxide gas are caused to flow into a sample holder where an electrode catalyst sample is laid, and the amount of carbon monoxide gas discharged therefrom is detected. The amount of carbon monoxide gas adsorbed by the electrode catalyst sample is calculated based on the amount of supplied carbon monoxide gas and the amount of detected carbon monoxide gas. The output voltage of a fuel cell is calculated based on a correlation between calculated amounts of carbon monoxide gas adsorbed by the electrode catalyst and output voltages of the fuel cell.
摘要翻译：已经提供了用于简单且准确地评估燃料电池性能的装置和方法。使氢气和一氧化碳气体流入放置电极催化剂样品的样品保持器，并检测从其排出的一氧化碳气体的量。基于所提供的一氧化碳气体的量和检测到的一氧化碳气体的量计算由电极催化剂样品吸附的一氧化碳气体的量。基于由电极催化剂吸附的一氧化碳气体的计算量与燃料电池的输出电压之间的关系来计算燃料电池的输出电压。

4. 发明授权

US06280872B1 Electrode for fuel cell and a method for producing the electrode 有权
标题翻译：燃料电池用电极及电极的制造方法
公开(公告)号：US06280872B1
公开(公告)日：2001-08-28
申请号：US09458997
申请日：1999-12-10
申请人： Toshiaki Ozaki , Tatsuya Kawahara
发明人： Toshiaki Ozaki , Tatsuya Kawahara
IPC分类号： H01M486
CPC分类号： H01M4/8605 , H01M4/96 , H01M8/1004 , H01M2300/0082 , Y02P70/56 , Y10T29/49108 , Y10T29/49115
摘要： Two electrodes contact an electrolyte membrane on both sides of the electrolyte membrane and each electrode contacts each separator on the other side of the electrode. An electrochemical fuel cell comprises a plurality of unit cells which comprise the electrolyte membrane, the electrode, and the separator. The electrode comprises a catalyst layer and a gas diffusion layer. The gas diffusion layer comprises an inner layer and an outer layer. The catalyst layer contacts the electrolyte membrane. The inner layer is interposed between the catalyst layer and the outer layer. The outer layer of the gas diffusion layer contacts the inner layer on the inner side and the separator on the outer side. Since the gas diffusion layer is formed as a double-layer structure which includes the inner layer having low electric resistance and close and fine structure made of carbon powder and the porous outer layer having a high water repellency, a gas diffusion ability, a water repellency, an electric collection ability of the electrode can be improved.
摘要翻译：两个电极接触电解质膜两侧的电解质膜，每个电极接触电极另一侧的每个隔膜。电化学燃料电池包括多个单元电池，其包括电解质膜，电极和隔板。电极包括催化剂层和气体扩散层。气体扩散层包括内层和外层。催化剂层与电解质膜接触。内层介于催化剂层和外层之间。气体扩散层的外层与内侧的内层和外侧的隔板接触。由于气体扩散层形成为双层结构，其包括具有低电阻的内层和由碳粉末构成的精细结构，并且具有高斥水性，气体扩散能力，防水性的多孔外层能够提高电极的集电能力。

5. 发明授权

US06713020B2 DEVICE AND METHOD FOR EVALUATING PERFORMANCE OF FUEL CELLS, DEVICE AND METHOD FOR EVALUATING SPECIFIC SURFACE AREA OF FUEL-CELL ELECTRODE CATALYSTS, FUEL-CELL ELECTRODE CATALYST, AND METHOD OF MANUFACTURING THE SAME 失效
标题翻译：用于评价燃料电池性能的装置和方法，用于评价燃料电池催化剂的特定表面区域的装置和方法，燃料电池电极催化剂及其制造方法
公开(公告)号：US06713020B2
公开(公告)日：2004-03-30
申请号：US09773544
申请日：2001-02-02
申请人： Hisao Kato , Tatsuya Kawahara , Toshiaki Ozaki
发明人： Hisao Kato , Tatsuya Kawahara , Toshiaki Ozaki
IPC分类号： G01N2100
CPC分类号： H01M4/926 , H01M4/92 , H01M8/04 , H01M8/1004 , H01M2300/0082 , Y02P70/56 , Y10T29/49108
摘要： A device and a method for simply and accurately evaluating performance of fuel cells have been provided. Hydrogen gas and carbon monoxide gas are caused to flow into a sample holder where an electrode catalyst sample is laid, and the amount of carbon monoxide gas discharged therefrom is detected. The amount of carbon monoxide gas adsorbed by the electrode catalyst sample is calculated based on the amount of supplied carbon monoxide gas and the amount of detected carbon monoxide gas. The output voltage of a fuel cell is calculated based on a correlation between calculated amounts of carbon monoxide gas adsorbed by the electrode catalyst and output voltages of the fuel cell.
摘要翻译：已经提供了用于简单且准确地评估燃料电池的性能的装置和方法。使氢气和一氧化碳气体流入放置电极催化剂样品的样品保持器，并检测从其排出的一氧化碳气体的量。基于所提供的一氧化碳气体的量和检测到的一氧化碳气体的量计算由电极催化剂样品吸附的一氧化碳气体的量。基于由电极催化剂吸附的一氧化碳气体的计算量与燃料电池的输出电压之间的关系来计算燃料电池的输出电压。

6. 发明申请

US20090239116A1 ASSEMBLY FOR FUEL CELL, FUEL CELL, AND METHOD FOR MANUFACTURING FUEL CELL 审中-公开
标题翻译：燃料电池组件，燃料电池和制造燃料电池的方法
公开(公告)号：US20090239116A1
公开(公告)日：2009-09-24
申请号：US12374723
申请日：2007-07-24
申请人： Masao Okumura , Satoshi Kadotani , Tatsuya Kawahara , Tatsuya Hatanaka
发明人： Masao Okumura , Satoshi Kadotani , Tatsuya Kawahara , Tatsuya Hatanaka
IPC分类号： H01M8/10 , H01M4/88 , H01M4/86
CPC分类号： H01M8/1004 , H01M4/8636 , H01M4/8642 , H01M4/8657 , H01M4/8807 , H01M4/881 , H01M4/8828 , H01M4/886 , H01M4/926 , H01M8/04119 , H01M2008/1095 , Y02P70/56
摘要： Disclosed is a fuel cell wherein deterioration of fuel cell performance due to dry up phenomenon and flooding phenomenon is suppressed. Specifically disclosed is an assembly for fuel cells or a fuel cell wherein a catalyst layer contains a first composite catalyst particle containing a catalyst supporting particle and a solid polymer electrolyte and a second composite catalyst particle having a larger volume average particle diameter than the first composite catalyst particle and arrangement of the first composite catalyst particle and the second composite catalyst particle is controlled in the thickness direction of the catalyst layer. Consequently, deterioration of fuel cell performance due to dry up phenomenon or flooding phenomenon can be suppressed, thereby realizing a fuel cell with high efficiency.
摘要翻译：公开了一种燃料电池，其中抑制了由于干燥现象和溢流现象引起的燃料电池性能的劣化。具体公开了一种用于燃料电池或燃料电池的组件，其中催化剂层包含含有催化剂载体颗粒和固体聚合物电解质的第一复合催化剂颗粒和具有比第一复合催化剂更大的体积平均粒径的第二复合催化剂颗粒在催化剂层的厚度方向上控制第一复合催化剂颗粒和第二复合催化剂颗粒的颗粒和排列。因此，可以抑制由于干燥现象或溢流现象引起的燃料电池性能的恶化，从而实现高效率的燃料电池。

7. 发明授权

US06653252B2 Method of manufacturing electrode or electrode-electrolyte membrane joint body for fuel cell and electrode for fuel cell 失效
公开(公告)号：US06653252B2
公开(公告)日：2003-11-25
申请号：US09973731
申请日：2001-10-11
申请人： Tatsuya Kawahara
发明人： Tatsuya Kawahara
IPC分类号： H01M488
CPC分类号： H01M4/8882 , H01M4/8835 , H01M4/926 , H01M4/96 , H01M8/1004 , H01M2300/0082 , Y02P70/56 , Y10T29/49115
摘要： A paste-like ink is prepared by dissolving camphor in an alcoholic solvent and dispersing fine carbon particles with a catalyst carried thereon in the solvent (step S100). A sheet-like electrode-forming member is formed on an electrolyte membrane by screen printing the paste-like ink thus obtained (step S102). The electrode-forming member is dried at 80° C. for one hour, in order to deposit camphor included in the electrode-forming member as a pore-forming agent (step S104). The electrode-forming member and the electrolyte membrane are joined with each other by hot pressing (step S106). The joint body of the electrode-forming member and the electrolyte membrane is dried under vacuum at 80° C. for three hours, in order to sublimate and remove camphor depositing in the electrode-forming member (step S108). This gives an electricity-generating layer that is a joint body of an electrode having a plurality of pores and the electrolyte membrane. The manufacturing process of the invention thus gives a joint body of an electrode having sufficient gas permeability and electrical conductivity and an electrolyte membrane.

8. 发明授权

US6106963A Fuel-cells system 失效
标题翻译：燃料电池系统
公开(公告)号：US6106963A
公开(公告)日：2000-08-22
申请号：US72667
申请日：1998-05-05
申请人： Shoichiro Nitta , Masayoshi Taki , Tatsuya Kawahara , Morimichi Miura
发明人： Shoichiro Nitta , Masayoshi Taki , Tatsuya Kawahara , Morimichi Miura
IPC分类号： B01D53/00 , C01B13/02 , H01M8/04 , H01M8/06 , H01M8/18 , H01M2/00
CPC分类号： B01D53/00 , B60L11/1883 , B60L11/1887 , B60L11/1892 , B60L11/1898 , C01B13/0248 , H01M8/04089 , H01M8/0662 , C01B2210/0046 , H01M2300/0082 , H01M8/04022 , H01M8/0612 , Y02T90/34
摘要： A fuel-cells system 20 is equipped with an oxygen enrichment unit 34 and supplies air whose oxygen partial pressure has been increased by the oxygen enrichment unit 34 to fuel cells 40 as oxidizing gas. The oxygen enrichment unit 34 is a magnetic oxygen enrichment device that effects oxygen enrichment utilizing the fact that the oxygen molecule is paramagnetic and when magnetized migrates toward a magnetic pole side. Specifically, a magnetic field is generated inside the oxygen enrichment unit 34 by an electromagnet, air compressed by a compressor unit 32 is supplied to the oxygen enrichment unit 34, and compressed oxygen-enriched air is discharged from the vicinity of the magnetic poles in the oxygen enrichment unit 34 and supplied to the fuel cells 40.
摘要翻译：燃料电池系统20配备有富氧单元34，并且将氧分压单元34的氧分压提高到作为氧化气体的燃料电池40。富氧单元34是利用氧分子是顺磁性的并且当被磁化的磁极朝向磁极侧移动的事实而实现富氧的磁性富氧装置。具体地说，通过电磁体在氧浓缩单元34的内部产生磁场，将由压缩机单元32压缩的空气供给到富氧单元34，并且将压缩的富氧空气从磁极附近排出富氧单元34并供应到燃料电池40。

9. 发明申请

US20110287335A1 REINFORCED ELECTROLYTE MEMBRANE FOR FUEL CELL, MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND POLYMER ELECTROLYTE FUEL CELL COMPRISING THE SAME 有权
标题翻译：用于燃料电池的加强电解质膜，用于燃料电池的膜电极组件和包含其的聚合物电解质燃料电池
公开(公告)号：US20110287335A1
公开(公告)日：2011-11-24
申请号：US13124602
申请日：2009-10-15
申请人： Yasuhiro Akita , Masanori Aimu , Tatsuya Kawahara , Takeshi Nagasawa , Toyohiro Matsuura , Takeyuki Suzuki , Hiroshi Kato , Hideki Yamada
发明人： Yasuhiro Akita , Masanori Aimu , Tatsuya Kawahara , Takeshi Nagasawa , Toyohiro Matsuura , Takeyuki Suzuki , Hiroshi Kato , Hideki Yamada
IPC分类号： H01M8/10
CPC分类号： H01M8/10 , C08J5/2206 , C08J2327/18 , H01B1/122 , H01M8/1051 , H01M8/106 , H01M8/1062 , H01M8/1081 , Y02P70/56
摘要： It is an object of the present invention to provide a fuel cell electrolyte membrane reinforced with a porous substrate which has excellent durability and in which the amount of cross leakage as a result of chemical deterioration of electrolyte membrane components due to the presence of peroxide and/or radicals is particularly reduced. The present invention relates to an electrolyte membrane for a fuel cell comprising a polyelectrolyte, which contains a porous substrate and a radical scavenger dispersed in the polyelectrolyte.
摘要翻译：本发明的目的是提供一种用多孔基材增强的燃料电池电解质膜，其具有优异的耐久性，并且由于过氧化物和/或氧化物的存在而导致电解质膜组分的化学劣化导致的交叉泄漏量，或自由基特别减少。本发明涉及一种包含聚电解质的燃料电池用电解质膜，该聚电解质含有分散在聚电解质中的多孔基材和自由基清除剂。

10. 发明授权

US06589685B2 Fuel cell electrode catalyst solution and production method therefor 有权
标题翻译：燃料电池电极催化剂溶液及其制备方法
公开(公告)号：US06589685B2
公开(公告)日：2003-07-08
申请号：US09810279
申请日：2001-03-19
申请人： Seiji Mizuno , Tatsuya Kawahara
发明人： Seiji Mizuno , Tatsuya Kawahara
IPC分类号： H01M486
CPC分类号： B01J21/18 , B01J23/42 , B01J37/0203 , B01J37/0211 , H01M4/881 , H01M4/8828
摘要： The invention improves operability in forming a catalyst electrode, and improves performance of a fuel cell. A catalyst-loaded carbon is dispersed in a mixed solution of an azeotropic solvent and ion exchanged water. An electrolyte solution is added to the dispersed solution. A solvent, such as ethanol or the like, is added to adjust the viscosity and the water content of the solution, thereby providing an electrode catalyst solution. The use of the obtained solution as an ink for forming a catalyst layer through printing improves printing characteristic and drying characteristic.
摘要翻译：本发明提高了形成催化剂电极的可操作性，并提高了燃料电池的性能。将负载催化剂的碳分散在共沸溶剂和离子交换水的混合溶液中。向分散溶液中加入电解质溶液。加入溶剂如乙醇等以调节溶液的粘度和水含量，从而提供电极催化剂溶液。所得溶液作为通过印刷形成催化剂层的油墨的使用改善了印刷特性和干燥特性。

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