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21. 发明授权

US07419737B2 Fuel supply device for direct methanol fuel cells 失效
标题翻译：直接甲醇燃料电池燃料供应装置
公开(公告)号：US07419737B2
公开(公告)日：2008-09-02
申请号：US10932298
申请日：2004-09-02
申请人： Jung-min Oh , Hye-jung Cho , Kyoung-hwan Choi
发明人： Jung-min Oh , Hye-jung Cho , Kyoung-hwan Choi
IPC分类号： H01M2/00 , F01N3/20
CPC分类号： H01M8/04208 , H01M8/04186 , H01M8/1009 , H01M8/1011 , Y02E60/523
摘要： A fuel supply device for direct methanol fuel cells includes a fuel tank for storing liquid fuel, a wick structure formed on the fuel tank, the wick structure for receiving the liquid fuel from the fuel tank, a sheet stack disposed on the wick structure, the sheet stack for absorbing and transferring, in an upward direction, the liquid fuel supplied to the wick structure, and an electrode plate disposed on the sheet stack for supplying, in an upward direction, the liquid fuel absorbed into the sheet stack. The fuel supply device may continuously and uniformly supply a proper amount of liquid fuel and effectively remove by-products generated in a fuel cell. Thus, a long life, efficient fuel cell may be created with the fuel supply device.
摘要翻译：用于直接甲醇燃料电池的燃料供应装置包括用于储存液体燃料的燃料箱，形成在燃料箱上的灯芯结构，用于从燃料箱接收液体燃料的灯芯结构，设置在灯芯结构上的片堆，用于沿向上的方向吸收和传送供给到芯结构的液体燃料的片材堆叠;以及设置在片材堆叠上的电极板，用于沿向上的方向供应吸收到片材堆叠中的液体燃料。燃料供给装置可以连续均匀地供给适量的液体燃料，并有效地除去在燃料电池中产生的副产物。因此，可以利用燃料供应装置产生长寿命，高效率的燃料电池。

22. 发明授权

US07335436B2 Proton exchange membrane fuel cell stack 有权
标题翻译：质子交换膜燃料电池堆
公开(公告)号：US07335436B2
公开(公告)日：2008-02-26
申请号：US10107170
申请日：2002-03-28
申请人： Ji-rae Kim , Kyoung-hwan Choi
发明人： Ji-rae Kim , Kyoung-hwan Choi
IPC分类号： H01M8/04
CPC分类号： H01M8/04074 , H01M8/0263 , H01M8/0271 , H01M8/04014 , H01M8/1007 , H01M8/241 , H01M2300/0082
摘要： Provided a proton exchange membrane fuel cell (PEMFC) stack with at least two cell units. Each cell unit includes: a catalyzed membrane formed by catalyzing both surfaces of an electrolyte layer; a fuel flow field portion and air flow field portion formed at opposite surfaces of the catalyzed membrane, at least one of the fuel and air flow field portions comprising a parallel flow field which induces gas flow in a direction parallel to the surface of the catalyzed membrane and an orthogonal flow field which induces gas flow in a direction orthogonal to the surface of the catalyzed membrane; a bipolar plate in contact with each outer surface of the fuel flow region portion and the air flow region portions. The volume and weight of the entire fuel cell stack can be flexibly reduced by adjusting the number of cell units. In addition, a defective cell unit can be easily replaced without performance degradation in the cell stack. The use of bipolar plates as electrodes promotes gas flow. The PEMFC stack can effectively dissipate the reaction heat with a cooling member and can increase the power density per unit weight and volume. In particular, a pressure drop can be prevented with a serpentine air flow channel formed in the air flow field region, thereby increasing fuel conversion efficiency.
摘要翻译：提供了具有至少两个电池单元的质子交换膜燃料电池（PEMFC）堆叠。每个电池单元包括：通过催化电解质层的两个表面形成的催化膜; 燃料流场部分和空气流场部分，形成在催化膜的相对表面处，燃料和空气流场部分中的至少一个包括平行流场，其在平行于催化膜表面的方向上引起气体流动以及正交流场，其在与所述催化膜的表面正交的方向上引起气体流动; 与燃料流动区域部分的每个外表面和空气流动区域部分接触的双极板。整个燃料电池堆的体积和重量可以通过调整电池单元的数量来灵活地减少。此外，可以容易地更换有缺陷的单元单元，而不会在单元堆栈中性能下降。使用双极板作为电极促进气体流动。 PEMFC堆叠可以有效地消散与冷却构件的反应热量，并且可以增加每单位重量和体积的功率密度。特别地，可以通过形成在空气流场区域中的蛇形空气流动通道来防止压降，从而提高燃料转化效率。

23. 发明授权

US07166381B2 Air breathing direct methanol fuel cell pack 有权
标题翻译：空气呼吸直接甲醇燃料电池组
公开(公告)号：US07166381B2
公开(公告)日：2007-01-23
申请号：US10259629
申请日：2002-09-30
申请人： Kyoung Hwan Choi , Hyuk Chang
发明人： Kyoung Hwan Choi , Hyuk Chang
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： H01M8/0232 , H01M8/0245 , H01M8/0258 , H01M8/0273 , H01M8/04186 , H01M8/04201 , H01M8/0662 , H01M8/241 , H01M8/2455
摘要： Provided is an air breathing direct methanol fuel cell pack including membrane electrode assemblies (MEAs) forming a plurality of single cells having an electrolyte membrane, a plurality of anodes on a first plane of the electrolyte membrane and a plurality of cathodes on a second plane of the electrolyte membrane correspondingly to the anodes, the second plane being opposed to the first plane, a fuel supply unit storing fuel fed to the anodes and having fuel supply plates with a plurality of fuel supply holes through which the fuel passes, and wicking sheets provided along a fuel supply path between the fuel supply plates and the MEAs, diffusing the fuel supplied through the fuel supply plates to supply the fuel to the anodes of the MEAs. fuel can be evenly supplied throughout MEAs, thereby attaining uniform power output, irrespective of a use posture of a cell pack. Also, current collectors of the present invention are of a mesh type so that current collection from all electrodes is allowed while allowing fuel supply. Further, since a gas communicating path for passage of byproducts is provided around the fuel supply unit and gas exhaust holes are provided on a wall body contacting the gas communicating path, byproducts can be effectively exhausted.
摘要翻译：本发明提供一种空气呼吸直接甲醇燃料电池组件，其包括形成多个具有电解质膜的单电池的膜电极组件（MEA），电解质膜的第一平面上的多个阳极以及第二平面上的多个阴极所述电解质膜对应于所述阳极，所述第二平面与所述第一平面相对;燃料供给单元，其存储供给到所述阳极的燃料，并具有燃料供给板，所述燃料供给板具有燃料通过的多个燃料供给孔，以及提供的吸液片沿着燃料供应板和MEA之间的燃料供应路径，扩散通过燃料供应板供应的燃料以将燃料供应到MEA的阳极。燃料可以均匀地供应到MEA中，从而获得均匀的功率输出，而与电池组的使用姿势无关。此外，本发明的集电器是网状，从而允许来自所有电极的电流收集，同时允许燃料供应。此外，由于在燃料供给单元的周围设置有用于副产物通过的气体连通路径，并且在与气体连通路径接触的壁体上设置排气孔，因此能够有效地排出副产物。

24. 发明申请

US20050069754A1 Diffusion electrode for fuel cell 审中-公开
标题翻译：燃料电池用扩散电极
公开(公告)号：US20050069754A1
公开(公告)日：2005-03-31
申请号：US10942779
申请日：2004-09-17
申请人： Ji-rae Kim , Kyoung-hwan Choi
发明人： Ji-rae Kim , Kyoung-hwan Choi
IPC分类号： H01M4/96 , H01M4/86 , H01M4/88 , H01M4/92 , H01M8/02 , H01M8/10
CPC分类号： H01M8/0243 , H01M4/8605 , H01M4/8807 , H01M4/926 , H01M8/0213 , H01M8/0234 , H01M8/0239 , H01M8/1004
摘要： A diffusion electrode for a fuel cell, having good polar liquid transporting property and gas transporting property, and an electrode and a fuel cell using the diffusion electrode are provided. The diffusion electrode includes: hydrophobic porous agglomerates containing electroconductive particles and a hydrophobic binder resin, wherein the hydrophobic porous agglomerates form a three dimensional netlike structure; and hydrophilic porous agglomerates containing electroconductive particles, wherein the hydrophilic porous agglomerates form a three dimensional netlike structure filling empty space among the three dimensional netlike structure formed by the hydrophobic porous agglomerates..
摘要翻译：提供了具有良好的极性液体输送性和气体输送性的燃料电池用扩散电极，以及使用该扩散电极的电极和燃料电池。扩散电极包括：含有导电颗粒和疏水性粘合剂树脂的疏水性多孔聚集体，其中所述疏水性多孔团聚体形成三维网状结构; 以及含有导电颗粒的亲水性多孔聚集体，其中亲水性多孔聚集体形成三维网状结构，填充由疏水性多孔聚集体形成的三维网状结构之间的空白空间。

25. 发明授权

US08227132B2 Direct liquid feed fuel cell stack 失效
标题翻译：直接液体进料燃料电池堆
公开(公告)号：US08227132B2
公开(公告)日：2012-07-24
申请号：US11436524
申请日：2006-05-19
申请人： Jin-ho Kim , Kyoung Hwan Choi , Hye-Jung Cho
发明人： Jin-ho Kim , Kyoung Hwan Choi , Hye-Jung Cho
IPC分类号： H01M8/24 , H01M8/10 , H01M2/40
CPC分类号： H01M8/0269 , H01M8/0263 , H01M8/04186 , H01M8/1009 , H01M8/1011 , H01M8/241 , H01M8/2415 , H01M8/2475 , H01M8/2483 , H01M8/2485 , Y02E60/523
摘要： A direct liquid feed fuel cell stack includes a first end plate and a second end plate facing each other, and a plurality of unit cell modules mounted between the first end plate and the second end plate, wherein an electrical circuit that contacts terminals of the unit cell modules is formed on an inner surface of the first end plate.
摘要翻译：直接液体进料燃料电池堆包括彼此面对的第一端板和第二端板，以及安装在第一端板和第二端板之间的多个单元电池模块，其中接触该单元的端子的电路电池模块形成在第一端板的内表面上。

26. 发明申请

US20120028156A1 STACK HAVING UNIFORM TEMPERATURE DISTRIBUTION AND METHOD OF OPERATING THE SAME 审中-公开
标题翻译：具有均匀温度分布的堆叠及其操作方法
公开(公告)号：US20120028156A1
公开(公告)日：2012-02-02
申请号：US13167178
申请日：2011-06-23
申请人： Tae-won SONG , Kyoung-hwan CHOI , Jung-seok YI , Ji-rae KIM
发明人： Tae-won SONG , Kyoung-hwan CHOI , Jung-seok YI , Ji-rae KIM
IPC分类号： H01M8/04 , H01M10/50
CPC分类号： H01M8/04768 , H01M8/04007 , H01M8/04029 , H01M8/04067
摘要： A stack and a method of operating the stack. A method of operating a stack having a plurality of cells and a plurality of cooling plates includes: supplying a working fluid to a first group of the cooling plates; and re-supplying the working fluid passed through the first group of the cooling plates to a second group of the cooling plates, wherein the first and second groups are divided according to an operating temperature in the stack.
摘要翻译：堆栈和操作堆栈的方法。一种操作具有多个单元和多个冷却板的堆叠的方法包括：将工作流体供应到第一组冷却板; 以及将通过所述第一组冷却板的工作流体再供给到第二组冷却板，其中，所述第一组和所述第二组根据所述堆叠中的工作温度而被分割。

27. 发明授权

US08003275B2 Monopolar membrane-electrode assembly 有权
标题翻译：单极膜电极组件
公开(公告)号：US08003275B2
公开(公告)日：2011-08-23
申请号：US11438270
申请日：2006-05-23
申请人： Kyoung Hwan Choi , Jae-yong Lee , Jin-ho Kim
发明人： Kyoung Hwan Choi , Jae-yong Lee , Jin-ho Kim
IPC分类号： H01M4/86
CPC分类号： H01M8/0273 , H01M8/0221 , H01M8/0228 , H01M8/1004 , H01M8/1011 , H01M8/1097 , H01M8/2418 , H01M8/242 , Y02E60/523
摘要： A monopolar membrane-electrode assembly, including an electrolyte membrane having a plurality of cell regions and at least one opening associated with each cell region, a plurality of anode current collecting bodies and a plurality of cathode current collecting bodies respectively formed at the cell regions on both surfaces of the electrolyte membrane, each current collecting body including a current collector collecting the currents on the cell regions, and a conductor connected to a side of the current collector, respective ends of the conductors of corresponding anode and cathode current collecting bodies being connected through the corresponding openings in series, and a plurality of anodes and a plurality of cathodes respectively formed on the anode current collecting bodies and the cathode current collecting bodies.
摘要翻译：一种单极膜 - 电极组件，包括具有多个电池区域的电解质膜和与每个电池区域相关的至少一个开口的多极体电极组件，分别形成在电池区域上的多个阴极集电体和多个阴极集电体，电解质膜的两个表面，每个集电体包括收集电池区域中的电流的集电体和连接到集电器一侧的导体，相应的阳极和阴极集电体的导体的相应端部被连接通过串联的相应开口，以及分别形成在阳极集电体和阴极集电体上的多个阳极和多个阴极。

28. 发明授权

US07923159B2 Water recovery system and direct liquid feed fuel cell having the same 有权
标题翻译：水回收系统和具有该回收系统的直接液体进料燃料电池
公开(公告)号：US07923159B2
公开(公告)日：2011-04-12
申请号：US11515900
申请日：2006-09-06
申请人： Hye-jung Cho , Hyuk Chang , Kyoung Hwan Choi , Jae-yong Lee
发明人： Hye-jung Cho , Hyuk Chang , Kyoung Hwan Choi , Jae-yong Lee
IPC分类号： H01M8/06
CPC分类号： H01M8/1011 , H01M8/04097 , H01M8/04119 , H01M8/04141 , H01M8/04291 , Y02E60/523
摘要： A water recovery system of a direct liquid feed fuel cell and a direct liquid feed fuel cell having the water recovery system. The water recovery system in which water produced at a cathode electrode of a membrane electrode assembly (MEA) is recovered to supply to an anode electrode, the water recovery system includes: a first member located on the cathode electrode and a first supporting plate that supports the first member; and a second member located on the anode electrode and a second supporting plate that supports the second member, wherein the first member and the second member are connected to each other through a slit formed in an electrolyte membrane of the MEA. The direct liquid feed fuel cell having the water recovery system can be used, for example, in a direct methanol fuel cell (DMFC).
摘要翻译：直接液体进料燃料电池的水回收系统和具有水回收系统的直接液体进料燃料电池。水回收系统，其中回收在膜电极组件（MEA）的阴极处产生的水以供应到阳极电极，所述水回收系统包括：第一构件，位于所述阴极电极上，第一支撑板支撑第一名成员; 以及位于阳极电极上的第二构件和支撑第二构件的第二支撑板，其中第一构件和第二构件通过形成在MEA的电解质膜中的狭缝相互连接。具有水回收系统的直接液体进料燃料电池可以用于例如直接甲醇燃料电池（DMFC）中。

29. 发明授权

US07655335B2 Air breathing direct methanol fuel cell pack 有权
标题翻译：空气呼吸直接甲醇燃料电池组
公开(公告)号：US07655335B2
公开(公告)日：2010-02-02
申请号：US10259291
申请日：2002-09-30
申请人： Kyoung Hwan Choi , Hyuk Chang
发明人： Kyoung Hwan Choi , Hyuk Chang
IPC分类号： H01M8/10 , H01M8/02 , H01M2/04
CPC分类号： H01M8/1009 , H01M8/0232 , H01M8/0258 , H01M8/04089 , H01M8/04171 , H01M8/1004 , H01M8/1011 , H01M8/24 , H01M8/241 , H01M8/2483 , Y02E60/523
摘要： An air breathing direct methanol fuel cell pack includes: a membrane electrode assembly (MEA) including single cells having an electrolyte membrane, anodes on a first plane of the electrolyte membrane and cathodes on a second plane thereof, the second plane disposed opposite to the first plane; a fuel supply unit facing the first plane; an upper panel member facing the second plane of the MEA and including a first cavity and second cavity, a plurality of air vent holes formed in the first and/or second cavity and air channels connecting the first and second cavities; current collectors disposed on the cathode and anode of single cells of the MEA; conductors electrically connecting the current collectors to form electric circuitry among the single cells; and a lower panel member for forming a housing for accommodating the MEA and the fuel supply unit in cooperation with the upper panel member.
摘要翻译：一种空气呼吸的直接甲醇燃料电池组包括：包括具有电解质膜的单电池的膜电极组件（MEA），电解质膜的第一平面上的阳极和在其第二平面上的阴极，与第一平面相对设置的第二平面飞机面向所述第一平面的燃料供给单元; 面向所述MEA的所述第二平面并且包括第一空腔和第二腔的上面板构件，形成在所述第一和/或第二空腔中的多个通气孔和连接所述第一腔和所述第二腔的空气通道; 设置在MEA的单电池的阴极和阳极上的集电器; 电导体连接集电器以在单个电池之间形成电路; 以及下板构件，用于与上板构件协作地形成用于容纳MEA和燃料供应单元的壳体。

30. 发明申请

US20080118814A1 FUEL CELL STACK STRUCTURE 有权
标题翻译：燃料电池堆栈结构
公开(公告)号：US20080118814A1
公开(公告)日：2008-05-22
申请号：US11928864
申请日：2007-10-30
申请人： Jae-yong Lee , Kyoung-hwan Choi , Chan-ho Pak
发明人： Jae-yong Lee , Kyoung-hwan Choi , Chan-ho Pak
IPC分类号： H01M8/04 , H01M2/14
CPC分类号： H01M8/0228 , H01M8/0206 , H01M8/0221 , H01M8/0254 , H01M8/1007
摘要： A fuel cell stack induces smooth current collection and liquid or gas flow without using a heavy bipolar plate. The fuel cell stack includes: a membrane and electrode assembly (MEA) in which an electrolyte membrane is disposed between a cathode electrode and an anode electrode; a current collector disposed in the MEA to form an electrical path with an adjacent MEA; and a non-conductive separation plate disposed between the MEA and the adjacent MEA, the non-conductive separation plate forming flow channels to supply a liquid or gas to the cathode electrode and the anode electrode. A fuel cell stack structure having the above structure is simple and lightweight as the MEA includes a thin and lightweight non-conductive polymer separation plate and a current collector to connect adjacent MEAs.
摘要翻译：燃料电池堆引起平滑的电流收集和液体或气体流动，而不使用重的双极板。燃料电池堆包括：膜和电极组件（MEA），其中电解质膜设置在阴极电极和阳极电极之间; 设置在MEA中以形成具有相邻MEA的电路径的集电器; 以及设置在MEA和相邻的MEA之间的非导电分隔板，所述非导电分离板形成流路以向液体或气体供给阴极电极和阳极电极。具有上述结构的燃料电池堆结构简单且重量轻，因为MEA包括薄而轻的非导电聚合物分离板和用于连接相邻MEA的集电器。

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