公开(公告)号：US08057954B2

公开(公告)日：2011-11-15

申请号：US12345311

申请日：2008-12-29

申请人： Hyoung-Juhn Kim ,  Jeung Woo Lee ,  Jong Hyung Jang ,  Eun Ae Cho ,  Sung Pil Yoon ,  Suk-woo Nam ,  In Hwan Oh ,  Seong Ahn Hong ,  Tae Hoon Lim

发明人： Hyoung-Juhn Kim ,  Jeung Woo Lee ,  Jong Hyung Jang ,  Eun Ae Cho ,  Sung Pil Yoon ,  Suk-woo Nam ,  In Hwan Oh ,  Seong Ahn Hong ,  Tae Hoon Lim

IPC分类号： H01M2/14 ,  H01M2/08 ,  H01M8/24

CPC分类号： H01M8/1004 ,  H01M8/0284 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02P70/56

摘要： Disclosed is a membrane-electrode assembly (MEA) that prevents an electrolyte membrane from being damaged upon the fabrication of a single cell or a stack of fuel cells. The MEA further includes a guard gasket interposed between conventional gaskets, wherein the guard gasket has a thickness corresponding to 70%-95% of the thickness of the electrolyte membrane. The MEA ensures mechanical protection of the electrolyte membrane, and thus prevents the electrolyte membrane from being damaged by an excessive binding pressure upon the fabrication of a single cell or a stack of fuel cells. Furthermore, the contact resistance between the electrolyte membrane and the catalyst layer and the contact resistance between the gas diffusion layer and the catalyst layer can be minimized, thereby improving the quality of a fuel cell.

摘要翻译： 公开了一种膜 - 电极组件（MEA），其防止在单个电池或一堆燃料电池的制造时电解质膜被损坏。 MEA还包括插入传统垫圈之间的防护垫片，其中防护垫片具有对应于电解质膜厚度的70％-95％的厚度。 MEA确保电解质膜的机械保护，从而防止电解质膜在单个电池或一堆燃料电池的制造时被过大的结合压力损坏。 此外，可以使电解质膜与催化剂层之间的接触电阻和气体扩散层与催化剂层之间的接触电阻最小化，从而提高燃料电池的质量。

公开(公告)号：US08026018B2

公开(公告)日：2011-09-27

申请号：US12064989

申请日：2006-08-17

申请人： Atsushi Ohma ,  Yozo Okuyama ,  Yasuhiro Numao

发明人： Atsushi Ohma ,  Yozo Okuyama ,  Yasuhiro Numao

IPC分类号： H01M2/08 ,  H01M4/86 ,  B32B37/12

CPC分类号： H01M8/0286 ,  H01M4/881 ,  H01M8/0273 ,  H01M8/0284 ,  H01M2008/1095 ,  Y02P70/56 ,  Y10T156/10

摘要： An electrolyte membrane-electrode assembly of the present invention includes: an electrolyte membrane; an anode-side electrode including an anode-side catalyst layer disposed on one side of the electrolyte membrane and an anode-side gas diffusion layer formed on the anode-side catalyst layer beyond a surface-direction end of the anode-side catalyst layer; an anode-side adhesive layer disposed on at least a part of a periphery of the anode-side catalyst layer; and an anode-side gasket layer disposed in contact with the anode-side adhesive layer, wherein a surface-direction inner end of the anode-side adhesive lay is located inside beyond a surface-direction inner end of the anode-side gasket layer, and a part of the anode-side adhesive layer is located to overlap with a part of the anode-side gas diffusion layer with respect to a thickness direction. Further, on the other side of the electrolyte membrane, cathode-side respective layers having the same constructions as above are disposed.

摘要翻译： 本发明的电解质膜 - 电极组件包括：电解质膜; 阳极侧电极，其包括设置在所述电解质膜的一侧的阳极侧催化剂层和在所述阳极侧催化剂层上形成的阳极侧气体扩散层，超过所述阳极侧催化剂层的表面方向端; 设置在所述阳极侧催化剂层的周围的至少一部分上的阳极侧粘合剂层; 阳极侧粘合剂层的表面方向内端位于阳极侧垫片层的表面方向内侧的内侧， 并且阳极侧粘合剂层的一部分位于与阳极侧气体扩散层的一部分相对于厚度方向重叠。 此外，在电解质膜的另一侧，设置具有与上述相同结构的阴极侧各自的层。

公开(公告)号：US07993499B2

公开(公告)日：2011-08-09

申请号：US10564798

申请日：2004-07-14

申请人： Ralf Zuber ,  Klaus Schaack ,  Sandra Wittpahl ,  Holger Dziallas ,  Peter Seipel ,  Pia Braun ,  Lutz Rohland

发明人： Ralf Zuber ,  Klaus Schaack ,  Sandra Wittpahl ,  Holger Dziallas ,  Peter Seipel ,  Pia Braun ,  Lutz Rohland

IPC分类号： C25B9/10 ,  H01M8/10

CPC分类号： H01M8/1004 ,  C25B9/10 ,  H01M4/8807 ,  H01M4/881 ,  H01M4/8882 ,  H01M4/8896 ,  H01M8/0232 ,  H01M8/0234 ,  H01M8/0271 ,  H01M8/0273 ,  H01M8/0284 ,  H01M8/0286 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1246 ,  H01M8/186 ,  Y02E60/366 ,  Y02E60/523 ,  Y02E60/525 ,  Y02E60/528 ,  Y02P70/56 ,  Y10T29/49107 ,  Y10T29/4911 ,  Y10T29/49115 ,  Y10T29/53135

摘要： The invention relates to membrane-electrode assemblies for the electrolysis of water (electrolysis MEAs), which contain an ion-conducting membrane having a front and rear side; a first catalyst layer on the front side; a first gas diffusion layer on the front side; a second catalyst layer on the rear side, and a second gas diffusion layer on the rear side.The first gas diffusion layer has smaller planar dimensions than the ion-conducting membrane, whereas the second gas diffusion layer has essentially the same planar dimensions as the ion-conducting membrane (“semi-coextensive design”). The MEAs also comprise an unsupported free membrane surface that yields improved adhesion properties of the sealing material. The invention also relates to a method for producing the MEA products.Pressure-resistant, gastight and cost-effective membrane-electrode assemblies are obtained, that are used in PEM water electrolyzers, regenerative fuel cells or in other electrochemical devices.

摘要翻译： 本发明涉及用于电解水（电解MEA）的膜 - 电极组件，其包含具有前侧和后侧的离子传导膜; 前侧的第一催化剂层; 前侧的第一气体扩散层; 在后侧的第二催化剂层和在后侧的第二气体扩散层。 第一气体扩散层具有比离子传导膜更小的平面尺寸，而第二气体扩散层具有与离子传导膜基本相同的平面尺寸（“半共扩展设计”）。 MEA还包括无支撑的免费膜表面，其产生改善的密封材料的粘合性能。 本发明还涉及一种生产MEA产品的方法。 获得了耐压，气密性和成本有效的膜 - 电极组件，其用于PEM水电解器，再生燃料电池或其它电化学装置中。

公开(公告)号：US07977005B2

公开(公告)日：2011-07-12

申请号：US11127044

申请日：2005-05-11

申请人： Bhaskar Sompalli ,  Brian A. Litteer ,  John P. Healy ,  Susan G. Yan ,  Hubert A. Gasteiger ,  Wenbin Gu ,  Gerald W. Fly

发明人： Bhaskar Sompalli ,  Brian A. Litteer ,  John P. Healy ,  Susan G. Yan ,  Hubert A. Gasteiger ,  Wenbin Gu ,  Gerald W. Fly

IPC分类号： H01M2/00

CPC分类号： H01M4/8605 ,  H01M4/8636 ,  H01M4/881 ,  H01M4/8817 ,  H01M4/8828 ,  H01M4/8857 ,  H01M4/8896 ,  H01M4/92 ,  H01M8/023 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/0276 ,  H01M8/0284 ,  H01M8/04119 ,  H01M8/1004 ,  H01M8/241 ,  H01M8/2457 ,  H01M8/247 ,  H01M2008/1095

摘要： A fuel cell including an anode-side catalyst coated membrane and a cathode-side catalyst coated membrane. At least a portion of a reduced-permeability layer is disposed between the ionically conductive membrane and the anode-side and cathode-side gas diffusion media, wherein the reduced-permeability layer is formed of a material that has a permeability that is less than a permeability of the ionically conductive member. The reduced-permeability layer may also be formed of a material that is softer than the ionically conductive membrane.

摘要翻译： 一种燃料电池，包括阳极侧催化剂涂覆膜和阴极侧催化剂涂覆膜。 降膜渗透层的至少一部分设置在离子传导膜与阳极侧和阴极侧气体扩散介质之间，其中透光性层由具有小于 离子导电部件的渗透性。 还原导电层也可以由比离子导电膜更软的材料形成。

公开(公告)号：US07964321B2

公开(公告)日：2011-06-21

申请号：US11993848

申请日：2006-06-22

申请人： Francis Roy ,  Damien Lemasson ,  Jean-Philippe Poirot-Crouvezier ,  Patrick Le Gallo

发明人： Francis Roy ,  Damien Lemasson ,  Jean-Philippe Poirot-Crouvezier ,  Patrick Le Gallo

IPC分类号： H01M2/14

CPC分类号： H01M8/0267 ,  H01M8/021 ,  H01M8/0247 ,  H01M8/0273 ,  H01M8/0284 ,  H01M8/0297 ,  H01M2008/1095

摘要： The invention relates to a bipolar plate for a fuel cell, of the type that comprises anode and cathode bipolar half plates (1, 1′) which are placed next to one another. The central part of each bipolar half plate comprises an active zone (2), while the periphery thereof comprises a plurality of cut-outs (4, 4′, 5, 5′, 6) which are intended to form at least two oxidant tanks, two fuel tanks and two coolant tanks. Moreover, at least one bipolar half plate comprises at least one connecting rib (8, 8′, 10, 12) between a peripheral cut-out and the active zone. Projecting out from the outer face, each coolant tank cut-out is surrounded by a sealing rib (7, 7′) and the periphery of each bipolar half plate comprises a rib (15, 15′) for sealing the active zone, which connects the coolant tank sealing ribs and which surrounds the oxidant and fuel tanks. Furthermore, each channel formed by a rib segment (15, 15′) between two coolant tanks is blocked by a blocking means (17, 17′).

摘要翻译： 本发明涉及一种用于燃料电池的双极板，其类型包括彼此相邻放置的阳极和阴极双极半板（1,1'）。 每个双极半板的中心部分包​​括活动区域（2），而其周边包括多个切口（4,4'，5,5'，6），其旨在形成至少两个氧化剂罐 ，两个燃料箱和两个冷却液箱。 此外，至少一个双极半板包括在周边切口和活动区域之间的至少一个连接肋（8,8'，10,12）。 从外表面喷出，每个冷却液箱切口被密封肋（7,7'）围绕，并且每个双极半板的周边包括用于密封活动区域的肋（15,15'），其连接 冷却剂箱密封肋并围绕氧化剂和燃料箱。 此外，由两个冷却剂箱之间的肋段（15,15'）形成的每个通道被阻塞装置（17,17'）阻挡。

公开(公告)号：US20110127692A1

公开(公告)日：2011-06-02

申请号：US12992995

申请日：2009-04-17

申请人： Shigeru Watanabe

发明人： Shigeru Watanabe

IPC分类号： B29C45/34 ,  B29C45/14

CPC分类号： B29C45/14336 ,  B29C2045/14459 ,  B29C2045/14967 ,  B29L2031/26 ,  B29L2031/3468 ,  H01M8/0276 ,  H01M8/0284 ,  H01M8/0286 ,  Y02P70/56

摘要： To form gaskets on both sides of a base material (5) without burrs, a first cavity (14) formed between the base material (5) and a first split mold (11) to have a molding material-supplying gate (11b) and a second cavity (15) formed between the base material (5) and a second split mold (12) communicate through a first communicating hole (51) provided in the base material (5), and there are formed in the first split mold (11) a first air vent hole (11c) open to a confluent portion of a molding material in the first cavity (14) and a second air vent hole (11d) which is positioned at and open to a second communicating hole (52) provided in the base material (5) at a confluent portion of the molding material in the second cavity (15), so as to be away from the surface of the base material (5).

摘要翻译： 为了在没有毛刺的基材（5）的两侧上形成垫圈，形成在基材（5）和第一分模（11）之间形成有第一模制材料供给口（11b）的第一空腔（14）和 形成在基材（5）和第二分模（12）之间的第二空腔（15）通过设置在基材（5）中的第一连通孔（51）连通，并且形成在第一分模 11）向第一空腔（14）中的成型材料的汇合部分开口的第一通气孔（11c）和位于第二通气孔（52）的开口处的第二通气孔（11d），所述第二通气孔设置在第二通气孔 在第二空腔（15）中的模制材料的汇合部分处的基底材料（5）中，以远离基材（5）的表面。

公开(公告)号：US07897288B2

公开(公告)日：2011-03-01

申请号：US11607886

申请日：2006-12-04

申请人： Aihara Yuichi ,  Katsunori Sakai

发明人： Aihara Yuichi ,  Katsunori Sakai

IPC分类号： H01M2/38 ,  H01M2/40 ,  H01M8/24 ,  H01M2/02 ,  H01M2/08 ,  H01M2/20 ,  H01M2/14

CPC分类号： H01M8/0276 ,  H01M8/0258 ,  H01M8/0273 ,  H01M8/0284 ,  Y02P70/56

摘要： A sealing member for a fuel cell includes a pair of belts that include non-gas transmitting layers formed of aromatic polyimide or aluminum and thermoplastic resin layers. The belts are disposed such that the thermoplastic resin layers of the belts face each other, and the thermoplastic resin layers in outer edge portions of the belts are thermally bonded to each other. In a fuel cell, an inner portion of the belts engage the electrolyte membrane.

摘要翻译： 燃料电池用密封材料包括一对带，其包括由芳族聚酰亚胺或铝和热塑性树脂层形成的非气体透过层。 皮带被布置成使得带的热塑性树脂层彼此面对，并且带的外边缘部分中的热塑性树脂层彼此热粘合。 在燃料电池中，带的内部接合电解质膜。

公开(公告)号：US07862950B2

公开(公告)日：2011-01-04

申请号：US11279438

申请日：2006-04-12

申请人： Pedro Sánchez Díaz

发明人： Pedro Sánchez Díaz

IPC分类号： H01M8/24

CPC分类号： H01M8/0273 ,  H01M8/0258 ,  H01M8/0267 ,  H01M8/0276 ,  H01M8/0284 ,  H01M8/0286 ,  H01M8/242 ,  H01M8/248 ,  H01M2008/1095

摘要： The present invention relates to an assembly with a reinforced sealing structure for its use in fuel cells and electrolyzers, comprising a membrane electrode assembly (23) and a sealing structure (S) surrounding said membrane electrode assembly (23), said sealing structure (S) comprising a gasket (G), a reinforcing material (4) integrated in said gasket and reagent gas and coolant fluid openings (10) for the passage of reactant gases and coolant fluid.

摘要翻译： 本发明涉及一种具有用于燃料电池和电解器中的加强密封结构的组件，包括膜电极组件（23）和围绕所述膜电极组件（23）的密封结构（S），所述密封结构（S ），包括垫圈（G），集成在所述垫圈中的增强材料（4）和用于使反应气体和冷却剂流体通过的反应气体和冷却剂流体开口（10）。

公开(公告)号：US07846608B2

公开(公告)日：2010-12-07

申请号：US11910865

申请日：2006-03-29

申请人： Junqing Dong ,  Yong Zhou

发明人： Junqing Dong ,  Yong Zhou

IPC分类号： H01M2/38 ,  H01M2/40 ,  H01M8/24

CPC分类号： H01M8/2483 ,  H01M8/0258 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0271 ,  H01M8/0284 ,  H01M8/241 ,  H01M8/248 ,  H01M2008/1095

摘要： Disclosed is a flow-field plate and fuel cell stack using the same. The flow-field plate of the present invention comprises a center hole (5) formed at the center of the flow-field plate, a inlet (6) and a outlet (7) formed on two positions near the outer edge of the flow-field plate, and flow grooves extending radially from the center hole (5) on one side of the flow-field plate. Since the flow-field plate according to the present invention may comprise flow grooves extending radially and having short flow path, which is benefit for reactants diffusion, there is no “dead-end” on the flow-field plate and reactants may distribute uniformly to each part of flow-field plate. Furthermore, resultants generated from reaction, such as water, nitrogen, carbon dioxide, etc., may be discharged in time and not accumulate on flow-field plate. Therefore, the reactant utilization ratio, the fuel cell performances and its service life may be improved.

摘要翻译： 公开了一种使用该流场板和燃料电池堆的流场板和燃料电池堆。 本发明的流场板包括形成在流场板中心的中心孔（5），在流动场板的外缘附近的两个位置上形成的入口（6）和出口（7） 场板，以及从流场板一侧的中心孔（5）径向延伸的流动槽。 由于根据本发明的流场板可以包括径向延伸并具有短流路的流槽，这有利于反应物扩散，所以在流场板上没有“死端”，反应物可以均匀地分布到 流场板各部分。 此外，由反应生成的产物如水，氮，二氧化碳等可能会及时排出，而不会积聚在流场板上。 因此，可以提高反应物利用率，燃料电池性能及其使用寿命。

公开(公告)号：US07829238B2

公开(公告)日：2010-11-09

申请号：US11783972

申请日：2007-04-13

申请人： Yuichi Kuroki ,  Yoshihiro Kurano ,  Tomohiro Inoue ,  Atsushi Oma ,  Yasuji Ogami ,  Kazuo Saito

发明人： Yuichi Kuroki ,  Yoshihiro Kurano ,  Tomohiro Inoue ,  Atsushi Oma ,  Yasuji Ogami ,  Kazuo Saito

IPC分类号： H01M2/08 ,  H01M4/94 ,  H01M8/02

CPC分类号： H01M8/0286 ,  H01M8/023 ,  H01M8/0247 ,  H01M8/0271 ,  H01M8/0276 ,  H01M8/0284 ,  H01M2008/1095 ,  Y02P70/56

摘要： In order to prevent an electrolyte membrane from being broken, and make an assembling steps of a cell easy, in a fuel cell provided with a membrane electrode complex in which catalyst layers are respectively arranged on both surfaces of a electrolyte membrane, first and second gas diffusion layers which are arranged on both surfaces of the electrode complex, separators for respectively supplying reaction gas to the first and second gas diffusion layers, and a gasket for sealing the reaction gas, the gasket is formed on a surface of the gas diffusion layer so as to oppose to the separator, at least the gasket forming portion of the gas diffusion layer has a lower void content than the portion in contact with the catalyst layer, and the gasket arranged in the first and second gas diffusion layers is integrally formed at least via a through hole passing through the first and second gas diffusion layers.

摘要翻译： 为了防止电解质膜破裂，并且容易地进行电池的组装步骤，在具有膜电极复合体的燃料电池中，其中催化剂层分别设置在电解质膜的两个表面上，第一和第二气体 布置在电极复合体的两个表面上的扩散层，用于分别向第一和第二气体扩散层供应反应气体的隔板和用于密封反应气体的垫圈，在气体扩散层的表面上形成垫圈， 为了与隔板相对，至少气体扩散层的垫圈形成部分具有比与催化剂层接触的部分更低的空隙含量，并且布置在第一和第二气体扩散层中的衬垫至少一体地形成 通过穿过第一和第二气体扩散层的通孔。