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公开(公告)号：US10297841B2
公开(公告)日：2019-05-21
申请号：US15083667
申请日：2016-03-29
IPC分类号： H01M8/0273 , H01M8/0297 , H01M8/1004 , H01M8/0206 , B23K11/00 , B23K11/36 , H01M8/0267 , H01M8/1018
摘要： A fuel cell includes a frame equipped membrane electrode assembly and a metal separator. The frame equipped membrane electrode assembly includes a membrane electrode assembly and a frame shaped insulating member connected to the membrane electrode assembly. The frame shaped insulating member is provided around the membrane electrode assembly. The metal separator includes a first bipolar plate and a second bipolar plate joined together, and the frame shaped insulating member includes a welding portion welded to the first bipolar plate by resistance welding.
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公开(公告)号：US20180226665A1
公开(公告)日：2018-08-09
申请号：US15884420
申请日：2018-01-31
发明人： Satoshi Oyama , Masaaki Sakano
IPC分类号： H01M8/0297 , H01M8/0276 , H01M8/0206 , H01M8/0258 , H01M8/0273
CPC分类号： H01M8/0297 , H01M8/0206 , H01M8/0258 , H01M8/0273 , H01M8/0276 , H01M8/0286 , H01M8/1004
摘要： A fuel cell metal separator is stacked on a membrane electrode assembly to form a power generation cell. The membrane electrode assembly includes an electrolyte membrane and electrodes provided on both sides of the electrolyte membrane, respectively. The fuel cell metal separator includes a bead seal for preventing leakage of a fuel gas, an oxygen-containing gas, or a coolant as fluid. A top of the bead seal is configured to become flat in cross section by application of a compression load to the power generation cell.
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公开(公告)号：US09997800B2
公开(公告)日：2018-06-12
申请号：US14326813
申请日：2014-07-09
IPC分类号： H01M8/24 , H01M8/2475 , H01M8/248 , H01M8/2404
CPC分类号： H01M8/2475 , H01M8/2404 , H01M8/248
摘要： A fuel cell stack and a method of assembling a fuel cell stack includes compressing fuel cells along their stacking axis. A compression retention device made up of an enclosure may be used with one or more optional insertable shims to correct for any stack height variations. Significantly, the enclosure is formed to allow the stack to be loaded in compression by a press such that the cells that make up the stack are placed into and maintained in a substantially compressed state while the compression force is not imparted to the enclosure. By resolving any stack height variances while the cells of the stack are maintained in their substantially compressed state, assembly operations are simplified in that repeated compression and decompression of the stack is avoided while trying to ensure that the stack and enclosure are joined into their final assembly form.
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公开(公告)号：US10522852B2
公开(公告)日：2019-12-31
申请号：US15425069
申请日：2017-02-06
发明人： Xi Yang , Siguang Xu , Liang Xi , Richard D. Blakeley , Masaaki Sakano , Yu Tomana , Kentaro Ishida
IPC分类号： H01M8/02 , H01M8/0276 , C25B9/00
摘要： A plate assembly includes a first plate having a planar portion and a first bead seal formed therein. The first bead seal includes a first end surface spaced away from the planar portion. The first bead seal includes first and second opposing sides extending away from the first end surface and contiguous with the planar portion. The first bead seal includes a first reinforcement structure having a first plurality of walls each intersecting the first opposing side of the first bead seal. The first plate includes a second bead seal formed therein. The first bead seal and the second bead seal may be joined via the first reinforcement structure such that the first plurality of walls of the first reinforcement structure each intersect a third opposing side of the second bead seal.
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公开(公告)号：US20180241055A1
公开(公告)日：2018-08-23
申请号：US15436207
申请日：2017-02-17
发明人： Masaaki Sakano , Xi Yang , Liang Xi , Siguang Xu , Joseph N. Lovria , Jeffrey D. Williams , Yu Tomana , Kentaro Ishida
IPC分类号： H01M8/0276 , H01M8/0258
摘要： A plate includes a working face and a header portion. The working face defines a plurality of reactant channels thereon. The header portion is disposed in a peripheral area of the plate and includes a plurality of flanges and a plurality of beads. The flanges are disposed on the header portion and define a plurality of apertures through the plate. Each flange defines a respective one of the apertures. At least one of the apertures is fluidly connected to the reactant channels. The plurality of beads is disposed on the working face. Each bead is disposed about a respective one of the apertures and thereby defines a respective one of the flanges. Each bead defines a shape consisting of bead-corners and bead-sides. Each bead has a sealing surface thereon. The sealing surface is configured to deflect when exposed to a contact pressure to thereby provide a substantially fluid-tight seal.
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公开(公告)号：US11081706B2
公开(公告)日：2021-08-03
申请号：US15986126
申请日：2018-05-22
发明人： Masaaki Sakano , Hiroshi Morikawa
IPC分类号： H01M8/2465 , H01M8/24 , H01M8/2483 , H01M8/0258 , H01M8/0273 , H01M8/1007 , H01M8/1004 , H01M8/242 , H01M8/04119 , H01M8/1018 , H01M8/0284
摘要： A fuel cell stack includes a stack body of power generation cells stacked in a horizontal direction. An oxygen-containing gas flow field is formed in the fuel cell stack, for allowing an oxygen-containing gas to flow along an electrode surface of a membrane electrode assembly. A plurality of oxygen-containing gas discharge passages for discharging the oxygen-containing gas as a reactant gas pass through the fuel cell stack in a stacking direction of the power generation cells. Each of the oxygen-containing gas discharge passages is connected to an outlet. The plurality of oxygen-containing gas discharge passages are connected together by a first connection channel at an end opposite to the outlet.
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公开(公告)号：US10529996B2
公开(公告)日：2020-01-07
申请号：US15436207
申请日：2017-02-17
发明人： Masaaki Sakano , Xi Yang , Liang Xi , Siguang Xu , Joseph N. Lovria , Jeffrey D. Williams , Yu Tomana , Kentaro Ishida
IPC分类号： H01M8/0276 , H01M8/0258
摘要： A plate includes a working face and a header portion. The working face defines a plurality of reactant channels thereon. The header portion is disposed in a peripheral area of the plate and includes a plurality of flanges and a plurality of beads. The flanges are disposed on the header portion and define a plurality of apertures through the plate. Each flange defines a respective one of the apertures. At least one of the apertures is fluidly connected to the reactant channels. The plurality of beads is disposed on the working face. Each bead is disposed about a respective one of the apertures and thereby defines a respective one of the flanges. Each bead defines a shape consisting of bead-corners and bead-sides. Each bead has a sealing surface thereon. The sealing surface is configured to deflect when exposed to a contact pressure to thereby provide a substantially fluid-tight seal.
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公开(公告)号：US20180342741A1
公开(公告)日：2018-11-29
申请号：US15986126
申请日：2018-05-22
发明人： Masaaki Sakano , Hiroshi Morikawa
IPC分类号： H01M8/0258 , H01M8/2465 , H01M8/1004 , H01M8/1007 , H01M8/0284 , H01M8/0273
摘要： A fuel cell stack includes a stack body of power generation cells stacked in a horizontal direction. An oxygen-containing gas flow field is formed in the fuel cell stack, for allowing an oxygen-containing gas to flow along an electrode surface of a membrane electrode assembly. A plurality of oxygen-containing gas discharge passages for discharging the oxygen-containing gas as a reactant gas pass through the fuel cell stack in a stacking direction of the power generation cells. Each of the oxygen-containing gas discharge passages is connected to an outlet. The plurality of oxygen-containing gas discharge passages are connected together by a first connection channel at an end opposite to the outlet.
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公开(公告)号：US20180226662A1
公开(公告)日：2018-08-09
申请号：US15425069
申请日：2017-02-06
发明人： Xi Yang , Siguang Xu , Liang Xi , Richard D. Blakeley , Masaaki Sakano , Yu Tomana , Kentaro Ishida
IPC分类号： H01M8/0276 , F16J15/02 , C25B9/00
摘要： A plate assembly includes a first plate having a planar portion and a first bead seal formed therein. The first bead seal includes a first end surface spaced away from the planar portion. The first bead seal includes first and second opposing sides extending away from the first end surface and contiguous with the planar portion. The first bead seal includes a first reinforcement structure having a first plurality of walls each intersecting the first opposing side of the first bead seal. The first plate includes a second bead seal formed therein. The first bead seal and the second bead seal may be joined via the first reinforcement structure such that the first plurality of walls of the first reinforcement structure each intersect a third opposing side of the second bead seal.
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公开(公告)号：US20240332588A1
公开(公告)日：2024-10-03
申请号：US18588139
申请日：2024-02-27
发明人： Yuta Oshima , Masaaki Sakano
IPC分类号： H01M8/2475 , H01M8/2404
CPC分类号： H01M8/2475 , H01M8/2404
摘要： A fuel cell stack including a cell stacked body and a case having four side walls facing four side surfaces of the cell stacked body extending in a predetermined direction to form an accommodation space accommodating the cell stacked body. The side walls are configured by a substantially plate shaped member having a substantially rectangular shape. The case includes joint portions joined by friction stir welding on connection surfaces between first and second side walls, between the second and third side walls, between the third and fourth side walls and between the fourth and first side walls, respectively, and a machined portion on a first surface of the side wall facing an accommodation space.
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