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：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：US20040053106A1

公开(公告)日：2004-03-18

申请号：US10462725

申请日：2003-06-17

Applicant: DAIDO METAL COMPANY LTD.

Inventor： Takehisa Takagi ,  Noboru Owaki ,  Yukio Naruse ,  Shoji Nawa ,  Yasuo Ido

IPC: H01M008/24 ,  H01M008/10

CPC classification number: H01M8/248 ,  H01M8/0271 ,  H01M8/04156 ,  H01M8/241 ,  H01M8/242 ,  H01M8/2457 ,  H01M8/2483

Abstract: An airbreathing fuel cell comprising a power generating cell stack constituted by laminating a plurality of cell parts together, which cell part comprises a polymer electrolyte membrane, an oxygen electrode and a fuel electrode, which are provided on both sides of the polymer electrolyte membrane to be opposed to each other, an oxygen passage plate provided adjacent to the oxygen electrode, and separator plates provided adjacent to an outside of the oxygen passage plate and an outside of the fuel electrode, and a cell stack for removal of moisture, connected to the power generating cell stack and comprising at least one cell, which is constructed in the same manner as the cell part, and to which resistances are connected to be capable of power generation, and wherein moisture generated in the power generating cell stack due to an operation over a long period of time is conducted to the cell stack for removal of moisture together with a fuel, and removed through natural evaporation to outside and around the fuel cell, thus suppressing a decrease in power generating capacity.

Abstract translation: 一种呼吸燃料电池，包括通过将多个电池部件层叠在一起构成的发电电池堆，该电池部分包括聚合物电解质膜，氧电极和燃料电极，其设置在聚合物电解质膜的两侧上 相邻的氧气通道板，邻近氧气电极设置的氧气通道板，以及邻近氧气通道板的外侧设置的隔板和燃料电极的外部，以及连接到电力上的除去湿气的电池组 生成单元堆叠并且包括至少一个单元，其以与单元部分相同的方式构造，并且电阻被连接以能够发电，并且其中由于操作而在发电单元堆中产生的水分 长时间地进行到电池堆，以便与燃料一起去除水分，并通过自然蒸发除去 在燃料电池周围和周围，从而抑制发电量的降低。

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。