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1. 发明授权

US06497975B2 Direct methanol fuel cell including integrated flow field and method of fabrication 有权
标题翻译：直接甲醇燃料电池包括集成流场和制造方法
公开(公告)号：US06497975B2
公开(公告)日：2002-12-24
申请号：US09738126
申请日：2000-12-15
申请人： Joseph W. Bostaph , Chowdary R. Koripella , Allison M. Fisher , Jay K. Neutzler
发明人： Joseph W. Bostaph , Chowdary R. Koripella , Allison M. Fisher , Jay K. Neutzler
IPC分类号： H01M802
CPC分类号： H01M8/1009 , H01M8/04156 , H01M8/04186 , H01M8/2404 , H01M8/241 , H01M8/2418 , H01M2300/0082 , Y02E60/523
摘要： A fuel cell device and method of forming the fuel cell device including a base portion, formed of a singular body, and having a major surface. At least one fuel cell membrane electrode assembly is formed on the major surface of the base portion. A fluid supply channel including a mixing chamber is defined in the base portion and communicating with the fuel cell membrane electrode assembly for supplying a fuel-bearing fluid to the membrane electrode assembly. An exhaust channel is defined in the base portion and communicating with the membrane electrode. A multi-dimensional fuel flow field is defined in the multi-layer base portion and in communication with the fluid supply channel, the membrane electrode assembly and the exhaust channel.
摘要翻译：一种形成燃料电池装置的燃料电池装置及方法，该燃料电池装置包括由单体形成并具有主表面的基部。至少一个燃料电池膜电极组件形成在基部的主表面上。包括混合室的流体供给通道限定在基部中，并与用于将含油流体供应到膜电极组件的燃料电池膜电极组件连通。排气通道限定在基部中并与膜电极连通。多层燃料流场被定义在多层基底部分中并且与流体供应通道，膜电极组件和排气通道连通。

2. 发明授权

US06696189B2 Direct methanol fuel cell system including an integrated methanol sensor and method of fabrication 有权
标题翻译：直接甲醇燃料电池系统，包括集成的甲醇传感器和制造方法
公开(公告)号：US06696189B2
公开(公告)日：2004-02-24
申请号：US09738130
申请日：2000-12-15
申请人： Joseph W. Bostaph , Chowdary R. Koripella , Allison M. Fisher
发明人： Joseph W. Bostaph , Chowdary R. Koripella , Allison M. Fisher
IPC分类号： H01M802
CPC分类号： H01M8/1009 , H01M8/04186 , Y02E60/523
摘要： A fuel cell system and method of forming the fuel cell system including a base portion, formed of a singular body, and having a major surface. At least one fuel cell membrane electrode assembly is formed on the major surface of the base portion. A fluid supply channel including a mixing chamber is defined in the base portion and communicating with the fuel cell membrane electrode assembly for supplying a fuel-bearing fluid to the membrane electrode assembly. A methanol concentration sensor is positioned to communicate with the fuel cell membrane electrode assembly and the fuel-supply channel for regulating the mixture of fuel to the electrode assembly. An exhaust channel including a water recovery and recirculation system is defined in the base portion and communicating with the membrane electrode assembly.
摘要翻译：一种形成燃料电池系统的燃料电池系统和方法，包括由单体形成并具有主表面的基部。在基部的主表面上形成至少一个燃料电池膜电极组件。包括混合室的流体供给通道限定在基部中，并与用于将含油流体供应到膜电极组件的燃料电池膜电极组件连通。甲醇浓度传感器被定位成与燃料电池膜电极组件和用于调节燃料混合到电极组件的燃料供应通道连通。包括水回收和再循环系统的排气通道限定在基部中并与膜电极组件连通。

3. 发明授权

US5795545A Integrated ceramic exhaust gas sensors 失效
标题翻译：集成陶瓷废气传感器
公开(公告)号：US5795545A
公开(公告)日：1998-08-18
申请号：US650705
申请日：1996-05-20
申请人： Chowdary R. Koripella , Adam D. Moya , David Wilcox, Sr.
发明人： Chowdary R. Koripella , Adam D. Moya , David Wilcox, Sr.
IPC分类号： G01N25/30 , G01N27/16 , G01N27/407 , G01N33/00 , G01N25/22
CPC分类号： G01N27/16 , G01N27/4075
摘要： A multilayered ceramic integrated sensor 200 for monitoring auto exhaust gases is capable of existing in the relatively harsh environments of the exhaust stream of an internal combustion engine. The integrated sensor 200 may include discrete devices such as an oxygen sensor 104, a hydrogen sensor 206, an NO.sub.x sensor 208, and a carbon monoxide sensor 210. The device 200 may further include a temperature sensor 202 as well as total combustion calorimetric sensor 102. The multilayered ceramic integrated sensor may be fabricated from a plurality of layers of ceramic material disposed in stacked relationship with respect to one another.
摘要翻译：用于监测汽车废气的多层陶瓷集成传感器200能够存在于内燃机排气流的相对苛刻的环境中。集成传感器200可以包括诸如氧传感器104，氢传感器206，NOx传感器208和一氧化碳传感器210之类的分立装置。装置200还可以包括温度传感器202以及总燃烧量热传感器102 多层陶瓷集成传感器可以由相对于彼此堆叠关系设置的多层陶瓷材料制成。

4. 发明申请

US20080061027A1 Method for forming a micro fuel cell 审中-公开
标题翻译：微型燃料电池的形成方法
公开(公告)号：US20080061027A1
公开(公告)日：2008-03-13
申请号：US11519553
申请日：2006-09-12
申请人： Pawitter S. Mangat , John J. D'Urso , Chowdary R. Koripella , Ramkumar Krishnan
发明人： Pawitter S. Mangat , John J. D'Urso , Chowdary R. Koripella , Ramkumar Krishnan
IPC分类号： H01B13/00 , B05D5/12 , H01M8/02
CPC分类号： H01M8/04089 , H01M8/1058 , H01M8/1076 , H01M8/1097 , Y02P70/56
摘要： A method is provided for fabricating a fuel cell that requires only front side alignment techniques to fabricate gas access holes. The method comprises etching the front side of a substrate (12) to provide a channel (24, 26), and forming a pedestal (54, 88) on the front side of the substrate, wherein the pedestal (54, 88) comprises an anode side (56, 89) defining a fuel region (68, 102) aligned with the channel (24, 26). An electrolyte (46, 96) is positioned between the anode side (56, 89) and a cathode side (58, 90), and the fuel region (68, 102) is capped with an insulator (66, 98). A portion of the substrate (12) is removed from a back side to expose the channel (24, 26).
摘要翻译：提供了一种用于制造仅需要前侧对准技术来制造气体进入孔的燃料电池的方法。该方法包括蚀刻衬底（12）的前侧以提供通道（24,26），并且在衬底的前侧上形成基座（54,88），其中基座（54,88）包括阳极侧（56,89）限定与通道（24,26）对准的燃料区域（68,102）。电解质（46,96）位于阳极侧（56,89）和阴极侧（58,90）之间，燃料区域（68,102）用绝缘体（66,98）封盖。从背面去除基板（12）的一部分以露出通道（24,26）。

5. 发明申请

US20080003485A1 Fuel cell having patterned solid proton conducting electrolytes 审中-公开
标题翻译：具有图案化固体质子传导电解质的燃料电池
公开(公告)号：US20080003485A1
公开(公告)日：2008-01-03
申请号：US11479737
申请日：2006-06-30
申请人： Ramkumar Krishnan , William J. Dauksher , Chowdary R. Koripella
发明人： Ramkumar Krishnan , William J. Dauksher , Chowdary R. Koripella
IPC分类号： H01M4/86 , H01M8/10 , B05D5/12 , H01M4/88
CPC分类号： H01M4/8885 , H01M4/8605 , H01M4/98 , H01M8/1006 , H01M8/1023 , H01M8/1039 , H01M8/1076 , Y02P70/56
摘要： A method is provided for patterning a solid proton conducting electrolyte (22, 60) for a micro fuel cell. The method comprises patterning a first side (30, 63) of a solid proton conducting electrolyte (22, 60) to increase the surface area, coating the patterned first side (22, 60) with an electrocatalyst (33, 66), providing a first electrical conductor (20) to the first side (22, 60), and providing a second electrical conductor (15, 16) to a second side (19) of the solid proton conducting electrolyte (22, 60) opposed to the first side (22, 60). One exemplary embodiment comprises depositing a solid proton conducting electrolyte (60) over a substrate (12), patterning the solid proton conducting electrolyte (60) to form a plurality of pedestals (28), each pedestal (28) having an anode side adjacent a anode region (42) and a cathode side adjacent a cathode region (43), coating the anode (42) and cathode (43) sides with an electrocatalyst (33), providing a first electrical conductor (15, 16) to the anode side (42); and providing a second electrical conductor (20) to the cathode side (43).
摘要翻译：提供了用于图案化用于微型燃料电池的固体质子传导电解质（22,60）的方法。该方法包括图案化固体质子传导电解质（22,60）的第一侧（30,63）以增加表面积，用电催化剂（33,66）涂覆图案化的第一侧（22,60），从而提供将第一电导体（20）连接到第一侧（22,60），并且向与第一侧相对的固体质子传导电解质（22,60）的第二侧（19）提供第二电导体（15,16）（22,60）。一个示例性实施例包括在基板（12）上沉积固体质子传导电解质（60），图案化固体质子传导电解质（60）以形成多个基座（28），每个基座（28）具有邻近的阳极侧阳极区域（42）和与阴极区域（43）相邻的阴极侧，用电极催化剂（33）涂覆阳极（42）和阴极（43）侧，向阳极侧提供第一电导体（15,16）（42）; 以及向阴极侧（43）提供第二电导体（20）。

6. 发明授权

US07204156B2 Fuel cell system having fluidic oscillation flow meter 有权
标题翻译：具有流体振荡流量计的燃料电池系统
公开(公告)号：US07204156B2
公开(公告)日：2007-04-17
申请号：US11192819
申请日：2005-07-29
申请人： Stephen Samms , Chowdary R. Koripella
发明人： Stephen Samms , Chowdary R. Koripella
IPC分类号： G01F1/20 , H01M8/18
CPC分类号： G01F1/3227 , B01B1/005 , C01B3/34 , C01B2203/0216 , C01B2203/0233 , C01B2203/066 , C01B2203/0811 , C01B2203/0822 , C01B2203/0827 , C01B2203/1223 , C01B2203/1288 , C01B2203/1685 , C01B2203/169 , C01B2203/84 , H01M8/04089 , H01M8/04365 , H01M8/04388 , H01M8/04559 , H01M8/04731 , H01M8/04738 , H01M8/04753 , Y02P20/128 , Y02P20/129
摘要： An apparatus (10) is provided for determining the flow rate of a gas. The apparatus comprises a housing (12) forming a vaporization chamber (14) for converting a fluid into a gas vapor when subjected to heat (22). An oscillation flow meter is formed within the housing (12), thereby being integrated with the vaporization chamber, for receiving the gas vapor and providing a frequency signal (60) indicative of the rate of flow of the gas vapor.
摘要翻译：提供了一种用于确定气体的流量的装置（10）。该装置包括形成蒸发室（14）的壳体（12），用于当受热（22）时将流体转换成气体蒸气。振动流量计形成在壳体（12）内，从而与蒸发室一体化，用于接收气体蒸气并提供指示气体蒸气流速的频率信号（60）。

7. 发明授权

US07776386B2 Method for forming a micro fuel cell 有权
标题翻译：微型燃料电池的形成方法
公开(公告)号：US07776386B2
公开(公告)日：2010-08-17
申请号：US11669712
申请日：2007-01-31
申请人： Chowdary R. Koripella , Kurt W. Eisenbeiser , Ramkumar Krishnan
发明人： Chowdary R. Koripella , Kurt W. Eisenbeiser , Ramkumar Krishnan
IPC分类号： H01M4/88 , H01M8/02 , H01M8/10
CPC分类号： H01M8/1097 , H01M8/1286 , H01M8/2404 , H01M8/241 , H01M8/2418 , Y10T29/49108
摘要： A method is provided for fabricating an integrated micro fuel cell that derives power from a three-dimensional fuel/oxidant interchange having increased surface area and that is positioned on a second substrate that may be either porous or flexible with gas access holes, thereby avoiding precise alignment requirements of the openings providing fuel thereto. The method comprises forming on a first substrate, a plurality of pedestals including an anode and a cathode each comprising a porous metal; positioning an electrolyte between the anode and the cathode; and forming first metal contacts on the anode and cathode. The first substrate is removed and a second substrate is positioned against the fuel cell wherein the first metal contacts are selectively positioned to make electrical contact with second metal contacts on the second substrate.
摘要翻译：提供了一种用于制造集成的微型燃料电池的方法，其从具有增加的表面积的三维燃料/氧化剂交换器导出功率，并且位于第二基板上，该第二基板可以是具有气体进入孔的多孔或柔性的，从而避免精确对其提供燃料的开口的对准要求。该方法包括在第一基板上形成多个基座，包括阳极和阴极，每个基座包括多孔金属; 在阳极和阴极之间定位电解质; 并在阳极和阴极上形成第一金属接触。去除第一衬底，并且第二衬底抵靠燃料电池定位，其中第一金属触点被选择性地定位成与第二衬底上的第二金属触点电接触。

8. 发明申请

US20080118815A1 Method for forming a micro fuel cell 审中-公开
标题翻译：微型燃料电池的形成方法
公开(公告)号：US20080118815A1
公开(公告)日：2008-05-22
申请号：US11604035
申请日：2006-11-20
申请人： John J. D'Urso , Chowdary R. Koripella
发明人： John J. D'Urso , Chowdary R. Koripella
IPC分类号： H01M4/86 , B01J19/08 , H01M8/02
CPC分类号： H01M8/1097 , H01M8/0232 , H01M8/1004 , H01M8/1023 , H01M8/1041 , H01M8/1048 , H01M2300/0045 , Y10T29/49108
摘要： A method is provided for fabricating a fuel cell wherein corrosion of metal diffusion layers or catalysts supports is avoided. The method comprises forming first and second electrical conductors (22, 42) accessible at a surface of a substrate (12). The substrate (12) is etched to provide a channel (34, 36), and a multi-metal layer (82) is deposited on the surface of the substrate (12). At least one metal is etched from the multi-metal layer (82) forming a porous metal layer therefrom. A portion of the porous metal layer is etched resulting in an anode portion (89) aligned with the channel (34, 36) and coupled to the first electrical conductor (22), and a cathode portion (90) coupled to the second electrical conductor (42) and separated from the anode portion by a cavity (91). A first bi-continuous material (97) is formed over the porous metal layer (82) within at least one of the anode (89) and oxidant (90) portions. An electrocatalyst (94) is formed over the bi-continous material (97), the cavity (91) is filled with an electrolyte; and the center anode portion (89) and the cavity (91) are covered with a capping layer (98).
摘要翻译：提供了一种用于制造燃料电池的方法，其中避免了金属扩散层或催化剂载体的腐蚀。该方法包括形成可在衬底（12）的表面处接近的第一和第二电导体（22,42）。蚀刻衬底（12）以提供通道（34,36），并且在衬底（12）的表面上沉积多金属层（82）。从多金属层（82）蚀刻至少一种金属，从而形成多孔金属层。多孔金属层的一部分被蚀刻，导致阳极部分（89）与沟道（34,36）对齐并且耦合到第一电导体（22），并且阴极部分（90）耦合到第二电导体（42），并且通过空腔（91）与阳极部分分离。第一双连续材料（97）在阳极（89）和氧化剂（90）部分中的至少一个内形成在多孔金属层（82）上。在双连续材料（97）上形成电催化剂（94），空腔（91）填充有电解质; 并且中心阳极部分（89）和空腔（91）被覆盖层（98）覆盖。

9. 发明授权

US5989398A Calorimetric hydrocarbon gas sensor 失效
标题翻译：量热烃气体传感器
公开(公告)号：US5989398A
公开(公告)日：1999-11-23
申请号：US970837
申请日：1997-11-14
申请人： Daniel A. Young , Adam Moya , Chowdary R. Koripella , Jeff Naber , Neil Adams , Craig Markyvech , Adam Miller
发明人： Daniel A. Young , Adam Moya , Chowdary R. Koripella , Jeff Naber , Neil Adams , Craig Markyvech , Adam Miller
IPC分类号： G01N25/30 , G01N25/36 , G01N27/16 , G01N27/419 , G01N27/26
CPC分类号： G01N27/16 , G01N25/30 , G01N27/419
摘要： A calorimetric hydrocarbon gas sensor (10) includes an electrochemical oxygen pump (18), a sensing element (12), and a multi-layered substrate (26) separating the sensing element (12) from the electrochemical oxygen pump (18). The multi-layered substrate (26) includes a plurality of overlying insulating layers, in which at least one intermediate layer (60) supports a first primary heater (58), and in which another intermediate layer (52) supports a temperature compensation heaters (50a, 50b). The primary heater (58) functions to maintain the calorimetric hydrocarbon gas sensor (10) at a constant, elevated temperature, while the active compensation heater (50a) functions to maintain substantially equal temperatures as determined by the thermometers (46a, 46b) located on an intermediate layer (48) overlying the compensation heaters (50a, 50b). Control circuitry is integrated with power measurement circuitry to measure differences in the heat produced by the compensation heater (50a) and the thermometer (46a) in an active region (100), and the heat produced by the compensation heater (50b) and the thermometer (46b) in a reference region (102).
摘要翻译：量热烃气体传感器（10）包括电化学氧气泵（18），感测元件（12）和将感测元件（12）与电化学氧气泵（18）分开的多层衬底（26）。多层基板（26）包括多个上覆绝缘层，其中至少一个中间层（60）支撑第一主加热器（58），并且其中另一中间层（52）支撑温度补偿加热器 50a，50b）。主加热器（58）用于将量热烃气体传感器（10）保持在恒定的升高的温度，而有源补偿加热器（50a）用于维持基本上相同的温度，由温度计（46a，46b）覆盖补偿加热器（50a，50b）的中间层（48）。控制电路与功率测量电路集成，以测量补偿加热器（50a）和活动区域（100）中的温度计（46a）产生的热量的差异，以及补偿加热器（50b）和温度计（46b）在参考区域（102）中。

10. 发明申请

US20080178461A1 METHOD FOR FORMING A MICRO FUEL CELL 有权
标题翻译：形成微型燃料电池的方法
公开(公告)号：US20080178461A1
公开(公告)日：2008-07-31
申请号：US11669712
申请日：2007-01-31
申请人： Chowdary R. Koripella , Kurt W. Eisenbeiser , Ramkumar Krishnan
发明人： Chowdary R. Koripella , Kurt W. Eisenbeiser , Ramkumar Krishnan
IPC分类号： H01M6/00
CPC分类号： H01M8/1097 , H01M8/1286 , H01M8/2404 , H01M8/241 , H01M8/2418 , Y10T29/49108
摘要： A method is provided for fabricating an integrated micro fuel cell (50) that derives power from a three-dimensional fuel/oxidant interchange having increased surface area and that is positioned on a second substrate (60) that may be either porous or flexible with gas access holes, thereby avoiding precise alignment requirements of the openings providing fuel thereto. The method comprises forming a fuel cell (51) on a second substrate (12), wherein forming the fuel cell (51) comprises forming, on the substrate (12), a plurality of pedestals (48) including an anode (47) and a cathode (49) each comprising a porous metal (34); positioning an electrolyte (46) between the anode (47) and the cathode (49); and forming first metal contacts (52, 54) on the anode (47) and cathode (49). The fuel cell (51) is then removed from the rigid substrate (12). A second substrate (60) is positioned against the fuel cell (51) wherein the first (52, 54) and second (64) metal contacts are selectively positioned to make electrical contact with second metal contacts on the second substrate.
摘要翻译：提供了一种用于制造集成的微型燃料电池（50）的方法，其从具有增加的表面积的三维燃料/氧化剂交换器获得功率，并且位于第二衬底（60）上，所述第二衬底（60）可以是气体多孔的或柔性的进入孔，从而避免了向其提供燃料的开口的精确对准要求。该方法包括在第二基板（12）上形成燃料电池（51），其中形成燃料电池（51）包括在基板（12）上形成多个基座（48），其包括阳极（47）和每个包括多孔金属（34）的阴极（49）; 在阳极（47）和阴极（49）之间定位电解质（46）; 以及在阳极（47）和阴极（49）上形成第一金属接触（52,54）。然后将燃料电池（51）从刚性基板（12）移除。第二基板（60）抵靠燃料电池（51）定位，其中第一（52,54）和第二（64）金属触点被选择性地定位成与第二基板上的第二金属触点电接触。

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