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公开(公告)号：US08278002B2
公开(公告)日：2012-10-02
申请号：US12375454
申请日：2007-07-30
CPC分类号： H01M8/0273 , H01M8/02 , H01M8/0202 , H01M8/0258 , H01M8/0267 , H01M8/0276 , H01M8/04671 , H01M8/04679 , H01M8/04731 , H01M8/04753 , H01M8/04992 , H01M8/242 , H01M8/2457 , H01M8/2465 , H01M8/2483 , H01M2008/1095
摘要： A fuel cell includes: cells (11), each of which includes an electrolyte layer-electrode stack assembly (5) having a electrolyte layer (1) and a pair of gas diffusion electrodes (4a, 4b) sandwiching a portion of the electrolyte layer (1) which portion is located on an inner side of a peripheral portion of the electrolyte layer (1), an annular peripheral member disposed at the peripheral portion of the electrolyte layer (1), a pair of electrically conductive separators (6A, 6B) which sandwich the electrolyte layer-electrode stack assembly (5) and the peripheral member, and damage detecting wires (31); and a fuel cell stack (100) formed by stacking the cells (11), wherein: the damage detecting wires (31) are formed on components constituting the cell (11) other than the electrolyte layer-electrode stack assembly (5); and the damage detecting wires (31) are connected to one another to form an open circuit by stacking the cells (11).
摘要翻译： 燃料电池包括：电池（11），每个电池包括具有电解质层（1）的电解质层 - 电极堆叠组件（5）和夹着电解质层的一部分的一对气体扩散电极（4a，4b） （1）位于电解质层（1）的周边部分的内侧的部分，设置在电解质层（1）的周边部分的环形周边部件，一对导电隔板（6A，6B ），其夹着电解质层 - 电极堆叠组件（5）和周边构件，并损坏检测线（31）; 以及通过堆叠电池（11）而形成的燃料电池堆（100），其中：除了电解质层 - 电极堆叠组件（5）之外，在构成电池（11）的部件上形成损伤检测线（31）。 并且损伤检测线（31）彼此连接以通过堆叠电池（11）形成开路。
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公开(公告)号：US08071243B2
公开(公告)日：2011-12-06
申请号：US12095829
申请日：2006-11-28
申请人： Yasushi Sugawara , Takayuki Urata , Takahiro Umeda , Akihiko Yoshida , Soichi Shibata , Junji Morita
发明人： Yasushi Sugawara , Takayuki Urata , Takahiro Umeda , Akihiko Yoshida , Soichi Shibata , Junji Morita
IPC分类号： H01M8/04
CPC分类号： H01M8/04223 , H01M4/8875 , H01M8/026 , H01M8/0267 , H01M8/0271 , H01M8/04029 , H01M8/04089 , H01M8/04328 , H01M8/04335 , H01M8/04388 , H01M8/04395 , H01M8/04559 , H01M8/04753 , H01M8/0668 , H01M8/2405 , H01M8/241 , H01M8/2457 , H01M8/2483 , H01M2008/1095
摘要： In a fuel cell system, during the state where the fuel cell system is not generating an electric power, a fuel gas passage and an oxidizing gas passage are closed, and an inert gas supply device (54, 58) supplies an inert gas to an anode space (111) which is substantially isolated from outside, the anode space including the closed fuel gas passage and a space connected to the closed fuel gas passage, while an air supply device (67, 70) supplies air to a cathode space (112) which is substantially isolated from outside, the cathode space including the closed oxidizing gas passage and a space connected to the closed oxidizing gas passage. With this, the fuel cell system is capable of achieving high energy efficiency and of surely preventing degradation of electrodes during the state where the fuel cell system is not generating the electric power, irrespective of repeated start-up and stop.
摘要翻译： 在燃料电池系统中，在燃料电池系统不产生电力的状态下，关闭燃料气体通路和氧化气体通路，惰性气体供给装置（54,58）向惰性气体供给装置 阳极空间（111），其与外部基本上隔离，所述阳极空间包括封闭的燃料气体通道和连接到封闭的燃料气体通道的空间，而空气供应装置（67,70）将空气供应到阴极空间 ），其包括封闭的氧化气体通道的阴极空间和与封闭的氧化气体通道连接的空间。 由此，无论重复启动停止，燃料电池系统能够实现高能量效率，并且可靠地防止燃料电池系统不产生电力的状态下的电极劣化。
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公开(公告)号：US20100178577A1
公开(公告)日：2010-07-15
申请号：US12376688
申请日：2007-09-27
IPC分类号： H01M8/04
CPC分类号： H01M8/0612 , H01M8/0263 , H01M8/0267 , H01M8/04007 , H01M8/04022 , H01M8/04225 , H01M8/04768 , H01M8/04776 , H01M8/241 , H01M8/2483 , H01M2008/1095 , H01M2250/405 , Y02B90/16
摘要： A fuel cell system (100) is disclosed, which has a fuel gas generator (3) configured to be supplied with raw fuel, water and fuel for combustion to generate fuel gas by utilizing the combustion heat of the fuel for combustion; a fuel cell (1) configured such that the fuel gas is supplied to fuel gas routes (b1, 1a, c1) and oxidizing gas is supplied, thereby generating electric power; heating medium routes (b2, 1d, c2) configured such that the fuel gas is supplied thereto instead of being supplied to the fuel gas routes; a route switching device (4) configured to switch the destination of the fuel gas between the fuel gas routes and the heating medium routes; and a controller (8). The controller controls the route switching device such that, during warming-up of the fuel gas generator, the fuel gas is supplied to the heating medium routes and then used as the fuel for combustion and such that, after the warming-up, the fuel gas is supplied to the fuel gas routes instead of being supplied to the heating medium routes and then used as the fuel for combustion.
摘要翻译： 公开了一种燃料电池系统（100），其具有燃料气体发生器（3），该燃料气体发生器（3）被配置为供应原燃料，水和燃料用于燃烧，以利用燃料的燃烧热来燃烧产生燃料气体; 燃料电池（1），被配置成向燃料气体路径（b1，1a，c1）供给燃料气体，供给氧化气体，从而发电; 配置为向燃料气体路线供给燃料气体的加热介质路径（b2，1d，c2）; 路线切换装置（4），被配置为在所述燃料气体路径和所述加热介质路线之间切换所述燃料气体的目的地; 和控制器（8）。 控制器控制路线切换装置，使得在燃料气体发生器的预热期间，将燃料气体供应到加热介质路线，然后用作燃烧燃料，并且在预热之后，燃料 气体被供给到燃料气体路线，而不是供应到加热介质路线，然后用作燃烧燃料。
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公开(公告)号：US07691510B2
公开(公告)日：2010-04-06
申请号：US10564469
申请日：2005-01-19
申请人： Soichi Shibata , Takayuki Urata , Yasushi Sugawara , Takahiro Umeda , Junji Morita , Kazuhito Hatoh , Yukinobu Kitano
发明人： Soichi Shibata , Takayuki Urata , Yasushi Sugawara , Takahiro Umeda , Junji Morita , Kazuhito Hatoh , Yukinobu Kitano
CPC分类号： H01M8/04231 , H01M8/04104
摘要： A fuel cell system includes a fuel cell that is subjected to a purge operation of supplying an inert gas to an anode and/or cathode upon shut-down of the fuel cell. The differential pressure ΔP is defined as ΔP=Pa−Pc where Pa is the pressure in an inlet-side flow path leading to the anode and Pc is the pressure in an inlet-side flow path leading to the cathode. The differential pressure during the purge operation is controlled such that the differential pressure during operation ΔPo and the differential pressure during the purge operation ΔPp satisfy the relation: 0
摘要翻译： 燃料电池系统包括燃料电池，该燃料电池在关闭燃料电池时进行向阳极和/或阴极供应惰性气体的净化操作。 压差Dgr; P定义为＆Dgr; P = Pa-Pc其中Pa是通向阳极的入口侧流动路径中的压力，Pc是通向阴极的入口侧流动路径中的压力。 控制清洗操作期间的压差，使得在操作期间的差压和Dgr。P P和清洗操作期间的差压达到以下关系：0 <＆Dgr; Po×＆Dgr; Pp。 这使得可以减小施加在固体电解质膜上的应力并且提高燃料电池的长期可靠性。
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5.发明授权公开(公告)号：US08765314B2
公开(公告)日：2014-07-01
申请号：US10556466
申请日：2004-08-24
申请人： Yasushi Sugawara , Junji Morita , Makoto Uchida , Takayuki Urata , Shinya Kosako , Takahiro Umeda , Soichi Shibata , Masataka Ozeki , Akinari Nakamura , Yoshikazu Tanaka , Yoichiro Tsuji
发明人： Yasushi Sugawara , Junji Morita , Makoto Uchida , Takayuki Urata , Shinya Kosako , Takahiro Umeda , Soichi Shibata , Masataka Ozeki , Akinari Nakamura , Yoshikazu Tanaka , Yoichiro Tsuji
CPC分类号： H01M8/04231 , H01M8/04089 , H01M8/04201 , H01M8/04365 , H01M8/04388 , H01M8/04395 , H01M8/04559 , H01M8/04619 , H01M8/04753 , H01M8/04955 , H01M8/0606 , H01M8/0662 , H01M2008/1095
摘要： A fuel cell system includes a fuel cell; a fuel gas supplying unit supplying the fuel gas into the fuel cell on the anode side thereof; an oxidizing agent gas supplying unit supplying the oxidizing agent gas into the fuel cell on the cathode side thereof; a raw material gas supplying unit supplying the raw material gas into the fuel cell; and a controlling unit controlling the supply of the fuel gas, the oxidizing agent gas and the raw material gas. After switching the output of electric power or the fuel cell off, the fuel gas supplying unit suspends the supply of the fuel gas, the oxidizing agent gas supplying unit suspends the supply of the oxidizing agent gas and the raw material gas supplying unit supplies the raw material gas into the fuel cell to purge the fuel cell on the cathode side.
摘要翻译： 燃料电池系统包括燃料电池; 燃料气体供给单元，其将燃料气体供给到其阳极侧的燃料电池中; 氧化剂气体供给单元，其将氧化剂气体供给到阴极侧的燃料电池中; 将原料气体供给到燃料电池中的原料气体供给部; 以及控制燃料气体，氧化剂气体和原料气体的供给的控制单元。 在切断电力输出或燃料电池关闭后，燃料气体供给单元暂停燃料气体的供给，氧化剂气体供给单元暂停氧化剂气体的供给，原料气体供给单元供给原料 将材料气体进入燃料电池以净化阴极侧的燃料电池。
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公开(公告)号：US08039154B2
公开(公告)日：2011-10-18
申请号：US10561386
申请日：2004-08-24
申请人： Junji Morita , Makoto Uchida , Yasushi Sugawara , Takayuki Urata , Shinya Kosako , Takahiro Umeda , Soichi Shibata , Yoichiro Tsuji , Masataka Ozeki , Akinari Nakamura , Yoshikazu Tanaka
发明人： Junji Morita , Makoto Uchida , Yasushi Sugawara , Takayuki Urata , Shinya Kosako , Takahiro Umeda , Soichi Shibata , Yoichiro Tsuji , Masataka Ozeki , Akinari Nakamura , Yoshikazu Tanaka
IPC分类号： H01M8/04
CPC分类号： H01M8/0606 , H01M8/04231 , H01M8/04365 , H01M8/04388 , H01M8/04395 , H01M8/04425 , H01M8/04559 , H01M8/04649 , H01M8/04746 , H01M8/04776 , H01M8/04955 , H01M2008/1095
摘要： Problems of acceleration of drying of electrolyte membrane and local reaction, etc. can be properly coped with to attain the stabilization of performance of fuel cell.There are provided a fuel cell 121 which generates electric power from a fuel gas and an oxidizing agent gas, a fuel gas feed pipe 161 and a first switch valve 129 as fuel gas supplying unit which supplies the said fuel gas into the said fuel cell on the anode side thereof, an oxidizing gas supplying pipe 162 and a second cut-off valve 131 as oxidizing agent gas supplying unit which supplies the said oxidizing agent into the said fuel cell on the cathode side thereof, a raw material gas supplying pipe 151 and a third switch valve 143 as raw material gas supplying unit which supplies raw material of the said fuel gas into the fuel cell and a control portion 127 which controls the supply of the said fuel gas, the supply of the said oxidizing agent and the supply of the said raw material and the control portion 127 controls during the starting of electricity generation of the fuel cell 121 such that the said raw material gas supplying unit purges the fuel cell 121 at least on the cathode side thereof with the said raw material gas before the oxidizing agent gas supplying unit and the fuel gas supplying unit supply the fuel gas and the said oxidizing agent gas into the fuel cell 121, respectively.
摘要翻译： 可以适当应对电解质膜干燥加速和局部反应等问题，以达到燃料电池性能的稳定。 设置有从燃料气体和氧化剂气体产生电力的燃料电池121，作为燃料气体供给单元的燃料气体供给管161和第一切换阀129，将燃料气体供给到所述燃料电池中 其阳极侧，氧化剂气体供给管162和作为氧化剂气体供给单元的第二截止阀131，其将所述氧化剂供给到阴极侧的所述燃料电池中，原料气体供给管151和 作为将燃料气体的原料供给燃料电池的原料气体供给部的第三切换阀143以及控制部127，控制部127控制所述燃料气体的供给，所述氧化剂的供给和供给 所述原料和控制部127在燃料电池121的发电开始期间进行控制，使得所述原料气体供给单元至少在阴极上清除燃料电池121 在氧化剂气体供给单元和燃料气体供给单元之间分别将燃料气体和所述氧化剂气体供应到燃料电池121中的同时与所述原料气体一起。
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7.发明授权公开(公告)号：US08003273B2
公开(公告)日：2011-08-23
申请号：US11917965
申请日：2006-07-10
CPC分类号： H01M8/0271 , H01M8/0258 , H01M8/026 , H01M8/0267 , H01M8/0276 , H01M8/1004 , H01M8/242
摘要： To provide a polymer electrolyte fuel cell in which a reaction gas can be utilized efficiently for an electrode reaction even when a gap is formed between an anode-side sealing member and the end face of an anode and between a cathode-side sealing member and the end face of a cathode, and sufficient power generation performance can be ensured with a simple constitution. At least one of the anode-side sealing member and the cathode-side sealing member of the fuel cell includes an annular body, and at least one deformable protruding portion provided on the inner surface of the annular body.
摘要翻译： 为了提供一种聚合物电解质燃料电池，其中即使在阳极侧密封构件和阳极的端面之间以及阴极侧密封构件和阴极侧密封构件之间形成间隙的情况下，也可以有效地利用反应气体进行电极反应 阴极的端面，能够以简单的结构确保足够的发电性能。 燃料电池的阳极侧密封构件和阴极侧密封构件中的至少一个包括环形体，以及设置在环状体的内表面上的至少一个可变形突出部。
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公开(公告)号：US20070292728A1
公开(公告)日：2007-12-20
申请号：US10564469
申请日：2005-01-19
申请人： Soichi Shibata , Takayuki Urata , Yasushi Sugawara , Takahiro Umeda , Junji Morita , Kazuhito Hatoh , Yukinobu Kitano
发明人： Soichi Shibata , Takayuki Urata , Yasushi Sugawara , Takahiro Umeda , Junji Morita , Kazuhito Hatoh , Yukinobu Kitano
CPC分类号： H01M8/04231 , H01M8/04104
摘要： A fuel cell system includes a fuel cell that is subjected to a purge operation of supplying an inert gas to an anode and/or cathode upon shut-down of the fuel cell. The differential pressure ΔP is defined as ΔP=Pa−Pc where Pa is the pressure in an inlet-side flow path leading to the anode and Pc is the pressure in an inlet-side flow path leading to the cathode. The differential pressure during the purge operation is controlled such that the differential pressure during operation ΔPo and the differential pressure during the purge operation ΔPp satisfy the relation: 0
摘要翻译： 燃料电池系统包括燃料电池，该燃料电池在关闭燃料电池时进行向阳极和/或阴极供应惰性气体的净化操作。 差压DeltaP被定义为DeltaP = Pa-Pc，其中Pa是通向阳极的入口侧流动路径中的压力，Pc是通向阴极的入口侧流动路径中的压力。 控制清洗操作期间的差压使得操作期间的差压ΔPo和净化操作期间的压差ΔPp满足关系：0 <ΔPoxDeltaPp。 这使得可以减小施加在固体电解质膜上的应力并且提高燃料电池的长期可靠性。
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9.发明申请公开(公告)号：US20100136456A1
公开(公告)日：2010-06-03
申请号：US11917965
申请日：2006-07-10
CPC分类号： H01M8/0271 , H01M8/0258 , H01M8/026 , H01M8/0267 , H01M8/0276 , H01M8/1004 , H01M8/242
摘要： To provide a polymer electrolyte fuel cell in which a reaction gas can be utilized efficiently for an electrode reaction even when a gap is formed between an anode-side sealing member and the end face of an anode and between a cathode-side sealing member and the end face of a cathode, and sufficient power generation performance can be ensured with a simple constitution. At least one of the anode-side sealing member and the cathode-side sealing member of the fuel cell includes an annular body, and at least one deformable protruding portion provided on the inner surface of the annular body.
摘要翻译： 为了提供一种聚合物电解质燃料电池，其中即使在阳极侧密封构件和阳极的端面之间以及阴极侧密封构件和阴极侧密封构件之间形成间隙的情况下，也可以有效地利用反应气体进行电极反应 阴极的端面，能够以简单的结构确保足够的发电性能。 燃料电池的阳极侧密封构件和阴极侧密封构件中的至少一个包括环形体，以及设置在环状体的内表面上的至少一个可变形突出部。
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公开(公告)号：US20100028731A1
公开(公告)日：2010-02-04
申请号：US12527348
申请日：2008-03-18
IPC分类号： H01M8/04
CPC分类号： H01M8/04302 , H01M8/0263 , H01M8/04126 , H01M8/04223 , H01M8/04225 , H01M8/2483 , H01M2008/1095
摘要： An operation method of a fuel cell system of the present invention has a water layer forming step in which before starting supply of at least one of the reducing agent and the oxidizing agent in a supply start operation of at least one of the reducing agent and the oxidizing agent, the water supplier supplies water to form a water layer so as to clog at least one of at least a portion of the reducing agent supply path which is located upstream of the reducing agent supply end in a flow direction of the reducing agent and at least a portion of the oxidizing agent supply path which is located upstream of the oxidizing agent supply end in a flow direction of the oxidizing agent.
摘要翻译： 本发明的燃料电池系统的运转方法具有水层形成工序，其中在所述还原剂和所述氧化剂中的至少一种的还原剂和所述氧化剂的供给开始动作中开始供给之前， 氧化剂，供水者供水以形成水层，以便阻止位于还原剂供应端的上游的至少一部分还原剂供应路径中的至少一部分在还原剂的流动方向上，以及 所述氧化剂供给路径的至少一部分位于所述氧化剂供给端的上游侧的氧化剂的流动方向。
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