专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20090029235A1 Mitigation of Membrane Degradation by Multilayer Electrode 有权
标题翻译：减少多层电极膜降解
公开(公告)号：US20090029235A1
公开(公告)日：2009-01-29
申请号：US11828895
申请日：2007-07-26
申请人： Annette M. Brenner , Hubert A. Gasteiger , Wenbin Gu , James Leistra , Brian A. Litteer , Han Liu , Susan G. Yan , Jingxin Zhang
发明人： Annette M. Brenner , Hubert A. Gasteiger , Wenbin Gu , James Leistra , Brian A. Litteer , Han Liu , Susan G. Yan , Jingxin Zhang
IPC分类号： H01M4/86 , H01M4/90
CPC分类号： H01M4/8657 , H01M4/8605 , H01M4/8642 , H01M8/04197 , H01M8/1004 , H01M2250/20 , H01M2300/0082 , Y02E60/521 , Y02T90/32
摘要： An MEA for a fuel cell that employs multiple catalyst layers to reduce the hydrogen and/or oxygen partial pressure at the membrane so as to reduce the fluoride release rate from the membrane and reduce membrane degradation. An anode side multi-layer catalyst configuration is positioned at the anode side of the MEA membrane. The anode side multi-layer catalyst configuration includes an anode side under layer positioned against the membrane and including a catalyst, an anode side middle layer positioned against the anode side under layer and not including a catalyst and an anode side catalyst layer positioned against the anode side middle layer and opposite to the anode side under layer and including a catalyst, where the amount of catalyst in the anode side catalyst layer is greater than the amount of catalyst in the anode side under layer.
摘要翻译：一种用于燃料电池的MEA，其采用多个催化剂层以降低膜上的氢和/或氧分压，从而降低氟离子的释放速率并降低膜的降解。阳极侧多层催化剂配置位于MEA膜的阳极侧。阳极侧多层催化剂构造包括：阳极侧下层，其位于膜的外部并且包括催化剂，阳极侧中间层，其位于阳极侧下层且不包括催化剂;以及阳极侧催化剂层，其位于阳极并且包括催化剂，其中阳极侧催化剂层中的催化剂的量大于阳极侧下层的催化剂的量。

2. 发明授权

US08206872B2 Mitigation of membrane degradation by multilayer electrode 有权
标题翻译：通过多层电极减少膜降解
公开(公告)号：US08206872B2
公开(公告)日：2012-06-26
申请号：US11828895
申请日：2007-07-26
申请人： Annette M. Brenner , Hubert A. Gasteiger , Wenbin Gu , James Leistra , Brian A. Litteer , Han Liu , Susan G. Yan , Jingxin Zhang
发明人： Annette M. Brenner , Hubert A. Gasteiger , Wenbin Gu , James Leistra , Brian A. Litteer , Han Liu , Susan G. Yan , Jingxin Zhang
IPC分类号： H01M8/10
CPC分类号： H01M4/8657 , H01M4/8605 , H01M4/8642 , H01M8/04197 , H01M8/1004 , H01M2250/20 , H01M2300/0082 , Y02E60/521 , Y02T90/32
摘要： An MEA for a fuel cell that employs multiple catalyst layers to reduce the hydrogen and/or oxygen partial pressure at the membrane so as to reduce the fluoride release rate from the membrane and reduce membrane degradation. An anode side multi-layer catalyst configuration is positioned at the anode side of the MEA membrane. The anode side multi-layer catalyst configuration includes an anode side under layer positioned against the membrane and including a catalyst, an anode side middle layer positioned against the anode side under layer and not including a catalyst and an anode side catalyst layer positioned against the anode side middle layer and opposite to the anode side under layer and including a catalyst, where the amount of catalyst in the anode side catalyst layer is greater than the amount of catalyst in the anode side under layer.
摘要翻译：一种用于燃料电池的MEA，其采用多个催化剂层以降低膜上的氢和/或氧分压，从而降低氟离子的释放速率并降低膜的降解。阳极侧多层催化剂配置位于MEA膜的阳极侧。阳极侧多层催化剂构造包括：阳极侧下层，其位于膜的外部并且包括催化剂，阳极侧中间层，其位于阳极侧下层且不包括催化剂;以及阳极侧催化剂层，其位于阳极并且包括催化剂，其中阳极侧催化剂层中的催化剂的量大于阳极侧下层的催化剂的量。

3. 发明申请

US20080105354A1 Manufacture or membrane electrode assembly with edge protection for PEM fuel cells 有权
标题翻译：用于PEM燃料电池的边缘保护的制造或膜电极组件
公开(公告)号：US20080105354A1
公开(公告)日：2008-05-08
申请号：US11594600
申请日：2006-11-08
申请人： Ronald L. James , Seth D. Valentine , James Leistra
发明人： Ronald L. James , Seth D. Valentine , James Leistra
IPC分类号： B32B37/00
CPC分类号： H01M8/0273 , H01M8/0276 , H01M8/0286 , H01M8/242 , Y02P70/56 , Y10T156/10
摘要： Methods for attaching a subgasket to an ionomer membrane, wherein the methods provide for the precise location of the subgasket relative to the other component edges of the fuel cell, such as the catalyst layers, so as provide the functionality required to extend the ionomer membrane life and prevent damage to the ionomer membrane during the assembly process.
摘要翻译：将子垫附接到离聚物膜的方法，其中所述方法提供了相对于燃料电池的其它部件边缘（例如催化剂层）精确定位子垫，以便提供延长离聚物膜寿命所需的功能并防止在组装过程中对离聚物膜的损伤。

4. 发明申请

US20140072899A1 Fuel-Cell Membrane-Subgasket Assemblies Comprising Coated Subgaskets, And Fuel-Cell Assemblies And Fuel-Cell Stacks Comprising The Fuel-Cell Membrane Subgasket Assemblies 有权
标题翻译：燃料电池膜 - 垫片组件包括涂覆的子垫和燃料电池组件和燃料电池堆组成燃料电池膜子垫组件
公开(公告)号：US20140072899A1
公开(公告)日：2014-03-13
申请号：US13611031
申请日：2012-09-12
申请人： Gerald W. Fly , Sumeet Bhargava , James Leistra , Gayatri Vyas Dadheech
发明人： Gerald W. Fly , Sumeet Bhargava , James Leistra , Gayatri Vyas Dadheech
IPC分类号： H01M8/10 , H01M8/24
CPC分类号： H01M8/0284 , H01M8/0273 , H01M8/0282 , H01M8/1004 , H01M2008/1095 , Y02E60/521
摘要： Fuel-cell membrane-subgasket assemblies may include an electrolyte membrane and a coated subgasket overlying the electrolyte membrane around a perimeter of the electrolyte membrane so as to define an active area inside the perimeter. The coated subgasket may comprise a subgasket body formed from a subgasket material. At least one side of the coated subgasket includes a subgasket coating layer containing or formed from a coating material such as metals, ceramics, polymers, polymer composites, or other hard coatings. Fuel-cell assemblies may include gas diffusion media, a bipolar plate, and a fuel-cell membrane-subgasket assembly having a coated subgasket. Fuel-cell stacks may include clamping plates, unipolar endplates, and a plurality of individual fuel-cell assemblies, at least one of which includes a fuel-cell membrane-subgasket assembly having a coated subgasket.
摘要翻译：燃料电池膜 - 垫圈组件可以包括电解质膜和覆盖在电解质膜周围的电解质膜的涂覆的垫圈，以便限定周边内的有效区域。涂覆的垫片可以包括由衬垫材料形成的衬垫体。涂覆的垫片的至少一侧包括包含或由诸如金属，陶瓷，聚合物，聚合物复合材料或其它硬涂层的涂层材料形成的子衬垫涂层。燃料电池组件可以包括气体扩散介质，双极板和具有涂覆的垫片的燃料电池膜 - 垫圈组件。燃料电池堆可以包括夹板，单极端板和多个单独的燃料电池组件，其中至少一个包括具有涂覆的垫片的燃料电池膜 - 垫圈组件。

5. 发明申请

US20070196718A1 Controlled electrode overlap architecture for improved MEA durability 有权
标题翻译：控制电极重叠结构，提高MEA耐久性
公开(公告)号：US20070196718A1
公开(公告)日：2007-08-23
申请号：US11358670
申请日：2006-02-21
申请人： James Leistra , Ronald James , David Dobulis
发明人： James Leistra , Ronald James , David Dobulis
IPC分类号： H01M2/08 , H01M8/10
CPC分类号： H01M8/1004 , H01M8/0271 , H01M8/0276 , H01M8/0284 , H01M8/0297
摘要： A membrane electrode assembly includes a membrane layer, a cathode or anode catalyst layer adjacent to a surface of the membrane layer, an anode or cathode catalyst layer adjacent to an other surface of the membrane layer, an adhesive layer adjacent to the other surface of the membrane layer, wherein the adhesive layer abuts a surface of the anode or cathode catalyst layer, and a subgasket layer having an edge portion, wherein the subgasket layer is adjacent to a surface of the adhesive layer, wherein the cathode catalyst layer and anode catalyst layer extend along a length of the membrane layer relative to the edge portion of the subgasket layer, wherein the cathode or anode catalyst layer extends a greater length along the length of the membrane layer than the anode or cathode catalyst layer relative to the edge portion of the subgasket layer.
摘要翻译：膜电极组件包括邻近膜层表面的膜层，阴极或阳极催化剂层，与膜层的另一表面相邻的阳极或阴极催化剂层，邻近膜层的另一表面的粘合剂层膜层，其中所述粘合层邻接所述阳极或阴极催化剂层的表面，以及具有边缘部分的子衬垫层，其中所述子衬垫层与所述粘合剂层的表面相邻，其中所述阴极催化剂层和阳极催化剂层沿着膜层的长度相对于子衬垫层的边缘部分延伸，其中阴极或阳极催化剂层相对于阴极或阳极催化剂层的边缘部分沿着膜层的长度延伸比阳极或阴极催化剂层更长的长度子垫层。

6. 发明授权

US09076998B2 Fuel-cell membrane-subgasket assemblies comprising coated subgaskets, and fuel-cell assemblies and fuel-cell stacks comprising the fuel-cell membrane subgasket assemblies 有权
标题翻译：包括涂覆的子垫，以及燃料电池组件和燃料电池堆的燃料电池膜 - 垫圈组件，其包括燃料电池膜子垫组件
公开(公告)号：US09076998B2
公开(公告)日：2015-07-07
申请号：US13611031
申请日：2012-09-12
申请人： Gerald W. Fly , Sumeet Bhargava , James Leistra , Gayatri Vyas Dadheech
发明人： Gerald W. Fly , Sumeet Bhargava , James Leistra , Gayatri Vyas Dadheech
IPC分类号： H01M8/10 , H01M8/02
CPC分类号： H01M8/0284 , H01M8/0273 , H01M8/0282 , H01M8/1004 , H01M2008/1095 , Y02E60/521
摘要： Fuel-cell membrane-subgasket assemblies may include an electrolyte membrane and a coated subgasket overlying the electrolyte membrane around a perimeter of the electrolyte membrane so as to define an active area inside the perimeter. The coated subgasket may comprise a subgasket body formed from a subgasket material. At least one side of the coated subgasket includes a subgasket coating layer containing or formed from a coating material such as metals, ceramics, polymers, polymer composites, or other hard coatings. Fuel-cell assemblies may include gas diffusion media, a bipolar plate, and a fuel-cell membrane-subgasket assembly having a coated subgasket. Fuel-cell stacks may include clamping plates, unipolar endplates, and a plurality of individual fuel-cell assemblies, at least one of which includes a fuel-cell membrane-subgasket assembly having a coated subgasket.
摘要翻译：燃料电池膜 - 垫圈组件可以包括电解质膜和覆盖在电解质膜周围的电解质膜的涂覆的垫圈，以便限定周边内的有效区域。涂覆的垫片可以包括由衬垫材料形成的衬垫体。涂覆的垫片的至少一侧包括包含或由诸如金属，陶瓷，聚合物，聚合物复合材料或其它硬涂层的涂层材料形成的子衬垫涂层。燃料电池组件可以包括气体扩散介质，双极板和具有涂覆的垫片的燃料电池膜 - 垫圈组件。燃料电池堆可以包括夹板，单极端板和多个单独的燃料电池组件，其中至少一个包括具有涂覆的垫片的燃料电池膜 - 垫圈组件。

7. 发明申请

US20130260266A1 FAST MEA BREAK-IN AND VOLTAGE RECOVERY 有权
标题翻译：快速MEA断开和电压恢复
公开(公告)号：US20130260266A1
公开(公告)日：2013-10-03
申请号：US13432725
申请日：2012-03-28
申请人： Pinkhas A. Rapaport , Aaron J. Blowers , James Leistra , Balasubramanian Lakshmanan
发明人： Pinkhas A. Rapaport , Aaron J. Blowers , James Leistra , Balasubramanian Lakshmanan
IPC分类号： H01M8/04 , H01M8/06
CPC分类号： H01M8/04708 , H01M8/04223 , H01M8/04365 , H01M8/04559 , H01M8/04731 , H01M8/0488 , H01M8/04952 , H01M8/241 , H01M8/2457 , Y02E60/50
摘要： A system and method for breaking-in and humidifying membrane-electrode-assemblies (MEAs) in a fuel cell stack. The method includes performing voltage cycling and humidification of the MEAs in the stack, including one or more temperature steps wherein current density of the stack is cycled within a predetermined range for each of the one or more temperature steps. The method also includes maintaining a fuel cell stack voltage within a predetermined range, and maintaining anode and cathode reactant flows at an approximate set-point during the current density cycling of the one or more temperature steps to break-in and humidify the MEAs in the stack so that the stack is able to operate at a predetermined threshold for a fuel cell stack voltage output capability.
摘要翻译：一种用于在燃料电池堆中分解和加湿膜 - 电极组件（MEA）的系统和方法。该方法包括对堆叠中的MEA进行电压循环和加湿，包括一个或多个温度步骤，其中堆叠的电流密度在一个或多个温度步骤中的每一个的预定范围内循环。该方法还包括将燃料电池堆电压维持在预定范围内，并且在一个或多个温度步骤的电流密度循环期间将阳极和阴极反应物流维持在近似设定点，从而在堆叠，使得堆叠能够在燃料电池堆电压输出能力的预定阈值下操作。

8. 发明授权

US09099703B2 Fast MEA break-in and voltage recovery 有权
标题翻译：快速MEA突破和电压恢复
公开(公告)号：US09099703B2
公开(公告)日：2015-08-04
申请号：US13432725
申请日：2012-03-28
申请人： Pinkhas A. Rapaport , Aaron J. Blowers , James Leistra , Balasubramanian Lakshmanan
发明人： Pinkhas A. Rapaport , Aaron J. Blowers , James Leistra , Balasubramanian Lakshmanan
IPC分类号： H01M8/04
CPC分类号： H01M8/04708 , H01M8/04223 , H01M8/04365 , H01M8/04559 , H01M8/04731 , H01M8/0488 , H01M8/04952 , H01M8/241 , H01M8/2457 , Y02E60/50
摘要： A system and method for breaking-in and humidifying membrane-electrode-assemblies (MEAs) in a fuel cell stack. The method includes performing voltage cycling and humidification of the MEAs in the stack, including one or more temperature steps wherein current density of the stack is cycled within a predetermined range for each of the one or more temperature steps. The method also includes maintaining a fuel cell stack voltage within a predetermined range, and maintaining anode and cathode reactant flows at an approximate set-point during the current density cycling of the one or more temperature steps to break-in and humidify the MEAs in the stack so that the stack is able to operate at a predetermined threshold for a fuel cell stack voltage output capability.
摘要翻译：一种用于在燃料电池堆中分解和加湿膜 - 电极组件（MEA）的系统和方法。该方法包括对堆叠中的MEA进行电压循环和加湿，包括一个或多个温度步骤，其中堆叠的电流密度在一个或多个温度步骤中的每一个的预定范围内循环。该方法还包括将燃料电池堆电压维持在预定范围内，并且在一个或多个温度步骤的电流密度循环期间将阳极和阴极反应物流维持在近似设定点，从而在堆叠，使得堆叠能够在燃料电池堆电压输出能力的预定阈值下操作。

9. 发明授权

US07955750B2 Controlled electrode overlap architecture for improved MEA durability 有权
标题翻译：控制电极重叠结构，提高MEA耐久性
公开(公告)号：US07955750B2
公开(公告)日：2011-06-07
申请号：US11358670
申请日：2006-02-21
申请人： James Leistra , Ronald L. James , David Dobulis
发明人： James Leistra , Ronald L. James , David Dobulis
IPC分类号： H01M2/08 , H01M2/14 , H01M2/20 , H01M8/10 , H01M8/24
CPC分类号： H01M8/1004 , H01M8/0271 , H01M8/0276 , H01M8/0284 , H01M8/0297
摘要： A membrane electrode assembly includes a membrane layer, a cathode or anode catalyst layer adjacent to a surface of the membrane layer, an anode or cathode catalyst layer adjacent to an other surface of the membrane layer, an adhesive layer adjacent to the other surface of the membrane layer, wherein the adhesive layer abuts a surface of the anode or cathode catalyst layer, and a subgasket layer having an edge portion, wherein the subgasket layer is adjacent to a surface of the adhesive layer, wherein the cathode catalyst layer and anode catalyst layer extend along a length of the membrane layer relative to the edge portion of the subgasket layer, wherein the cathode or anode catalyst layer extends a greater length along the length of the membrane layer than the anode or cathode catalyst layer relative to the edge portion of the subgasket layer.
摘要翻译：膜电极组件包括邻近膜层表面的膜层，阴极或阳极催化剂层，与膜层的另一表面相邻的阳极或阴极催化剂层，邻近膜层的另一表面的粘合剂层膜层，其中所述粘合层邻接所述阳极或阴极催化剂层的表面，以及具有边缘部分的子基层，其中所述子垫层与所述粘合剂层的表面相邻，其中所述阴极催化剂层和阳极催化剂层沿着膜层的长度相对于子衬垫层的边缘部分延伸，其中阴极或阳极催化剂层相对于阴极或阳极催化剂层的边缘部分沿着膜层的长度延伸比阳极或阴极催化剂层更长的长度子垫层。

10. 发明申请

US20050095355A1 Method for preparing membranes and membrane electrode assemblies with hydrogen peroxide decomposition catalyst 有权
标题翻译：用过氧化氢分解催化剂制备膜和膜电极组件的方法
公开(公告)号：US20050095355A1
公开(公告)日：2005-05-05
申请号：US10698659
申请日：2003-10-31
申请人： James Leistra , Ned Cipollini , Wayde Schmidt , Jared Hertzberg , Chi Paik , Thomas Jarvi , Timothy Patterson , Sonia Tulyani
发明人： James Leistra , Ned Cipollini , Wayde Schmidt , Jared Hertzberg , Chi Paik , Thomas Jarvi , Timothy Patterson , Sonia Tulyani
IPC分类号： H01M4/86 , H01M4/90 , H01M4/92 , H01M4/96 , H01M8/06 , H01M8/10 , B05D5/12
CPC分类号： H01M8/1004 , H01M4/8605 , H01M4/90 , H01M4/9075 , H01M4/92 , H01M4/925 , H01M8/0662 , H01M2004/8684 , Y02P70/56
摘要： A method for making a membrane electrode assembly includes the steps of providing a membrane electrode assembly including an anode including a hydrogen oxidation catalyst; a cathode; a membrane disposed between the anode and the cathode; and depositing a peroxide decomposition catalyst in at least one position selected from the group consisting of the anode, the cathode, a layer between the anode and the membrane and a layer between the cathode and the membrane wherein the peroxide decomposition catalyst has selectivity when exposed to hydrogen peroxide toward reactions which form benign products from the hydrogen peroxide. The peroxide decomposition catalyst can also be positioned within the membrane. Also disclosed is a power-generating fuel cell system including such a membrane electrode assembly, and a process for operating such a fuel cell system.
摘要翻译：制造膜电极组件的方法包括以下步骤：提供包括包含氢氧化催化剂的阳极的膜电极组件; 阴极设置在阳极和阴极之间的膜; 以及在选自阳极，阴极，阳极和膜之间的层以及阴极和膜之间的层中的至少一个位置沉积过氧化物分解催化剂，其中过氧化物分解催化剂暴露于阴极和膜之间具有选择性过氧化氢朝向形成来自过氧化氢的良性产物的反应。过氧化物分解催化剂也可以位于膜内。还公开了包括这种膜电极组件的发电燃料电池系统和用于操作这种燃料电池系统的方法。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式