公开(公告)号：US20020015839A1

公开(公告)日：2002-02-07

申请号：US09880946

申请日：2001-06-15

Applicant: DAIDO METAL COMPANY LTD

Inventor： Takahiro Niwa ,  Eiji Kato ,  Nobutaka Hiramatsu

IPC: F16C033/20 ,  B32B005/16 ,  B32B015/08

CPC classification number: F16C33/201 ,  C08L27/18 ,  C08L67/00 ,  C08L79/08 ,  C08L2205/02 ,  Y10S384/908 ,  Y10S384/909 ,  Y10T428/12063 ,  Y10T428/12569 ,  Y10T428/25 ,  Y10T428/252 ,  Y10T428/257 ,  Y10T428/3154 ,  Y10T428/31544 ,  Y10T428/31678 ,  Y10T428/31681 ,  Y10T428/31721 ,  Y10T428/31786 ,  C08L2666/02

Abstract: Bush 4 is fabricated by providing porous sintered metal layer 7 of copper on the surface side of back metal layer 5 of steel plate through copper plating layer 6 and coating the inside and the surface of porous sintered metal layer 7 with sliding material 8 by impregnation. Sliding material 8 comprises 1-25 vol. % of tetrafluoroethylene-perfluoroalkylvinyl ether copolymer resin, 1-25 vol. % of at least one member selected from the group consisting of oxybenzoylpolyester resin and polyimide resin and 0.1-10 vol. % of hard particles having a Mohs hardness of 4 or more and average particle sizes of 5 nullm or less such as Al2O3 and SiC, the balance being polytetrafluoroethylene resin (55 vol. % or more of the total siding material) as the main component. 0.5-25 vol. % of a solid lubricant such as graphite and MOS2 can be further contained in total together with the hard particles. The sliding material containing polytetrafluoroethylene resin as the main component has an improved fretting wear resistance particularly when used as a bearing material.

Abstract translation: 通过铜镀层6在钢板的背面金属层5的表面侧设置铜的多孔烧结金属层7并通过浸渍涂覆滑动材料8的内部和多孔烧结金属层7的表面来制造衬套4。 滑动材料8包括1-25体积％ ％的四氟乙烯 - 全氟烷基乙烯基醚共聚物树脂，1-25体积％ ％的至少一种选自羟基苯甲酰基聚酯树脂和聚酰亚胺树脂，0.1-10体积％ 摩尔硬度为4以上，平均粒径为5μm以下的硬质粒子，例如Al 2 O 3和SiC，余量为聚四氟乙烯树脂（占总体壁面材料的55体积％以上）为主要成分。 0.5-25体积 固体润滑剂如石墨和MOS2的％可以与硬颗粒一起进一步包含。 含有聚四氟乙烯树脂作为主要成分的滑动材料具有改善的微动耐磨性，特别是用作轴承材料时。

公开(公告)号：US20020127453A1

公开(公告)日：2002-09-12

申请号：US10093934

申请日：2002-03-11

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Koji Kitagawa ,  Eiji Kato ,  Yukio Naruse ,  Takashi Inaba ,  Yasuo Ido

IPC: H01M008/10 ,  H01M008/24

CPC classification number: H01M8/2484 ,  H01M8/0271 ,  H01M8/04225 ,  H01M8/241 ,  H01M8/248 ,  H01M8/2485 ,  H01M2250/30 ,  Y02B90/18

Abstract: A portable fuel cell stack is provided in which the number of components is reduced by reducing the number of flow field plates, cell performance is improved by reducing the number of contact portions to thereby lower internal resistance, and fuel is supplied from the center of an end plate directly to a fuel distribution manifold. The portable fuel cell stack includes two end plates, a plurality of unit cells positioned between the two end plates, a fuel distribution manifold positioned in the center of the unit cell for fuel supply thereto, a tie bolt passed through the centers of the fuel manifold and the unit cell for integration of these members, and fixing nuts threaded to both ends of the tie bolt for integrally clamping the plurality of unit cells together between the end plates via an O-ring, etc. The unit cell includes a polymer electrolyte membrane, an oxygen electrode and a fuel electrode installed on both sides of the polymer electrolyte membrane, a flow field plate adjacent to the oxygen electrode side, and a separator plate on the outside of the flow field plate adjacent in contact therewith and another separator plate on the outside of the fuel electrode side in contact therewith. One of the fixing nuts has a fuel supply port connecting to the fuel distribution manifold.

Abstract translation: 提供了一种便携式燃料电池堆，其中通过减少流场板的数量来减少部件的数量，通过减少接触部分的数量从而降低内部电阻来提高电池性能，并且从 端板直接连接到燃料分配歧管。 便携式燃料电池堆包括两个端板，位于两个端板之间的多个单元电池，位于单元电池中心的燃料分配歧管，用于燃料供应，一个穿过燃料歧管中心的连接螺栓 以及用于集成这些构件的单元电池，以及螺纹连接到连接螺栓的两端的固定螺母，用于通过O形环等将多个单元电池整体夹持在端板之间。单元电池包括聚合物电解质膜 安装在高分子电解质膜的两侧的氧电极和燃料电极，与氧电极侧相邻的流场板，和与其相接触的流场板的外侧的隔板， 燃料电极侧的外部与其接触。 一个固定螺母具有连接到燃料分配歧管的燃料供给口。

公开(公告)号：US20040023098A1

公开(公告)日：2004-02-05

申请号：US10463394

申请日：2003-06-18

Applicant: Daido Metal Company, LTD.

Inventor： Shoji Nawa ,  Eiji Kato ,  Yasuo Ido

IPC: H01M008/02

CPC classification number: H01M8/04201 ,  H01M8/04089 ,  H01M8/2475

Abstract: In a compact electric apparatus with a power consumption source, a fuel cell unit includes a fuel cell for generating an electric power to be consumed by the power consumption source, a fuel storage section which stores therein a fuel for the fuel cell and has a control valve to be operated to control a flow of the fuel, and a fuel supply pipe through which the fuel is supplied from the fuel storage section to the fuel cell, a housing case contains therein the fuel cell unit, the power consumption source is mounted on the housing case, and the housing case has an opening through which the control valve faces to an outside of the housing case.

Abstract translation: 在具有功率消耗源的小型电气设备中，燃料电池单元包括用于产生要由功耗源消耗的电力的燃料电池，其中存储有用于燃料电池的燃料并具有控制功能的燃料存储部 用于控制燃料流动的阀，以及燃料从燃料储存部分供给到燃料电池的燃料供给管，容纳在其中的燃料电池单元，电力消耗源安装在 壳体和壳体具有开口，控制阀通过该开口面向外壳的外部。

公开(公告)号：US20040258967A1

公开(公告)日：2004-12-23

申请号：US10870465

申请日：2004-06-18

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Eiji Kato ,  Katsumi Kanematsu ,  Shoji Nawa ,  Yasuo Ido

IPC: H01M008/18 ,  H01M004/96 ,  C25B011/12 ,  C25B009/08

CPC classification number: H01M4/8605 ,  C25B9/10 ,  H01M4/92 ,  H01M8/1004 ,  H01M8/186 ,  Y02E60/528

Abstract: A bonded membrane-electrode assembly is provided which enables the electrolysis of water, which has water-electrolyzing and power-generating functions enabling the generation of hydrogen, and which is capable of being utilized for a fuel cell; and a fuel cell system with a water electrolyzer is provided using a plurality of such bonded membrane-electrode assemblies. The bonded membrane-electrode assembly includes a solid polymer electrolyte membrane, an oxygen electrode bonded to one of sides of the solid polymer electrolyte membrane, and a hydrogen electrode bonded to the other side of the solid polymer electrolyte membrane. The oxygen electrode includes a porous sheet-shaped carbon element plated with iridium, a first coated layer formed on a surface of the sheet-shaped carbon element, which is in contact with the solid polymer electrolyte membrane, by applying a mixture containing carbon and a resin for the solid polymer electrolyte membrane on that surface, and a second coated layer formed on the first coated layer by applying a mixture containing Pt (alloy) and/or Pt (alloy)-carried carbon and a resin for the solid polymer electrolyte membrane thereon. The hydrogen electrode includes a porous sheet-shaped carbon element, a first coated layer formed on the sheet-shaped carbon element by applying a mixture containing carbon and a resin for the solid polymer electrolyte membrane on the surface thereof, and a second coated layer formed on the first coated layer by applying a mixture containing Pt (alloy) and/or Pt (alloy)-carried carbon and a resin for the solid polymer electrolyte membrane thereon.

Abstract translation: 提供一种粘合膜 - 电极组件，其能够电解水，其具有能够产生氢气的水电解和发电功能，并且能够用于燃料电池; 并且使用多个这种键合的膜 - 电极组件提供具有水电解器的燃料电池系统。 接合膜 - 电极组件包括固体聚合物电解质膜，与固体聚合物电解质膜的一侧结合的氧电极和与固体聚合物电解质膜的另一侧接合的氢电极。 氧电极包括镀有铱的多孔片状碳元素，通过施加含有碳的混合物和与固体高分子电解质膜接触而形成在片状碳元素的表面上的第一涂层 该表面上的固体高分子电解质膜的树脂，以及通过涂布含有Pt（合金）和/或Pt（合金）载体碳和用于固体高分子电解质膜的树脂的混合物形成在第一涂层上的第二涂层 上。 氢电极包括多孔片状碳元素，通过在其表面上涂覆含有固体聚合物电解质膜的碳和树脂的混合物形成在片状碳元素上的第一涂层，形成第二涂层 通过在其上施加含有Pt（合金）和/或Pt（合金） - 碳的混合物和固体聚合物电解质膜的树脂，在第一涂层上。

公开(公告)号：US20040106033A1

公开(公告)日：2004-06-03

申请号：US10702450

申请日：2003-11-07

Applicant: Daido Metal Company Ltd.

Inventor： Eiji Kato ,  Yukio Naruse ,  Noboru Owaki ,  Shoji Nawa ,  Yasuo Ido

IPC: H01M008/02

CPC classification number: H01M8/02 ,  H01M8/0271 ,  H01M8/04089 ,  H01M8/2432 ,  H01M8/2465 ,  H01M8/248 ,  H01M8/2483

Abstract: An airbreathing fuel cell, in which a fuel can be adequately supplied to a cell part from outside even at low fuel pressures and air replacement can be easily performed to provide a stable power generating capacity, comprises a cell stack formed by stacking a plurality of those unit cells, which comprise a solid polymer electrolyte membrane, an oxygen passage plate and a fuel electrode, which are provided on both sides of the solid polymer electrolyte membrane to be opposed to each other, the oxygen passage plate provided adjacent and toward the oxygen electrode, and separator plates provided adjacent and outside the oxygen passage plate and the fuel electrode, the fuel distribution manifold being formed into a rod-shaped body having a polygonal-shaped cross section, a fuel supply passage formed in the tie bolt, and a plurality of fuel distribution passages provided to be communicated to the fuel supply passage and formed between central holes of the unit cells and an outer peripheral surface of the fuel distribution manifold.

Abstract translation: 一种呼吸式燃料电池，其中即使在低燃料压力下也能够从外部向燃料单元部分充分供应燃料，并且可以容易地进行空气替换以提供稳定的发电能力，包括通过堆叠多个这样的电池组而形成的电池堆 包含固体高分子电解质膜，氧通道板和燃料电极的单元电池，设置在固体高分子电解质膜的两侧彼此相对的两侧，与氧电极相邻设置的氧通道 ，隔板设置在氧通道板和燃料电极的邻近和外侧，燃料分配歧管形成为具有多边形横截面的杆状体，形成在连接螺栓中的燃料供给通道，以及多个 燃料分配通道设置成连通到燃料供给通道并形成在单元电池的中心孔和外周之间 燃料分配歧管的表面。

公开(公告)号：US20040043281A1

公开(公告)日：2004-03-04

申请号：US10649869

申请日：2003-08-28

Applicant: Daido Metal Company Ltd.

Inventor： Takehisa Takagi ,  Yukio Naruse ,  Eiji Kato ,  Shoji Nawa ,  Yasuo Ido

IPC: H01M008/24 ,  H01M008/10

CPC classification number: H01M8/241 ,  H01M8/0271 ,  H01M8/04089 ,  H01M8/1007 ,  H01M8/248 ,  H01M8/2483

Abstract: An airbreathing fuel cell, in which oxygen can be adequately supply to oxygen passage plates to obtain a power generating capacity conformed to a demand, comprises a cell stack formed in the form of a rectangle by stacking a plurality of those unit cells, which comprise a solid polymer electrolyte membrane, an oxygen electrode and a fuel electrode, which are provided on both sides of the solid polymer electrolyte membrane to be opposed to each other, an oxygen passage plate provided adjacent and toward the oxygen electrode, and separator plates provided adjacent and outside the oxygen passage plate and the fuel electrode, and the oxygen passage plate comprises a plurality of opened grooves on a surface thereof opposed to the oxygen electrode, the grooves being opened outside at both ends thereof.

Abstract translation: 一种呼吸式燃料电池，其中氧气可以适当地供应到氧气通道板以获得符合需求的发电能力，包括通过堆叠多个这样的单元电池形成矩形形式的电池堆，所述单元电池包括 固体聚合物电解质膜，氧电极和燃料电极，其设置在彼此相对的固体高分子电解质膜的两侧，与氧电极相邻设置的氧通路板，以及与氧电极相邻设置的隔板， 氧通道板和燃料电极外部，氧通道板在与氧电极相对的表面上包括多个开口槽，其两端开口在外侧。

公开(公告)号：US20040238353A1

公开(公告)日：2004-12-02

申请号：US10853146

申请日：2004-05-26

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Eiji Kato ,  Katsumi Kanematsu ,  Shoji Nawa ,  Yasuo Ido

IPC: C25C007/00 ,  C25D017/00

CPC classification number: C25B1/10 ,  C25B9/10 ,  Y02E60/366

Abstract: The present invention provides a bonded membrane-electrode assembly for electrolysis of water, which enables the generation of hydrogen capable of being used as a fuel for a fuel cell by electrolyzing water, and a water electrolyzer constructed using the bonded membrane-electrode assembly, so that hydrogen can be produced safely. The bonded membrane-electrode assembly includes a solid polymer electrolyte membrane, an oxygen electrode bonded to one of sides of the solid polymer electrolyte membrane, a hydrogen electrode bonded to the other side of the solid polymer electrolyte membrane. The oxygen electrode includes a porous sheet-shaped carbon element plated with iridium and coated with a mixture containing carbon and a resin for a solid polymer membrane. The hydrogen electrode includes a porous sheet-shaped carbon element which is coated with a mixture containing carbon and a resin for a solid polymer membrane and further coated with a mixture containing Pt (alloy) and/or Pt (alloy)-carried carbon and a resin for a solid polymer membrane.

Abstract translation: 本发明提供了一种用于电解水的接合膜 - 电极组件，其能够产生能够通过电解水而用作燃料电池的燃料的氢;以及使用接合的膜 - 电极组件构造的水电解器，因此 可以安全地生产氢。 接合膜 - 电极组件包括固体聚合物电解质膜，与固体聚合物电解质膜的一侧结合的氧电极，与固体聚合物电解质膜的另一侧接合的氢电极。 氧电极包括镀有铱的多孔片状碳元素，并涂覆有含有碳和用于固体聚合物膜的树脂的混合物。 氢电极包括多孔片状碳元素，其涂覆有包含碳和用于固体聚合物膜的树脂的混合物，并进一步涂覆有含有Pt（合金）和/或Pt（合金） - 碳的混合物和 用于固体聚合物膜的树脂。