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公开(公告)号：US08337939B2
公开(公告)日：2012-12-25
申请号：US11854702
申请日：2007-09-13
IPC分类号： C23C26/00
CPC分类号： H01M8/1253 , H01M2300/0077 , Y02E60/525 , Y02P70/56
摘要： A method of processing a ceramic layer is provided. The method comprises the steps of providing a ceramic layer comprising a plurality of microcracks; infiltrating at least some of the plurality of microcracks with a liquid precursor comprising at least one oxidizable metal ion; and exposing the ceramic layer to a base having a pH value of at least about 9, so as to chemically convert the oxidizable metal ion into an oxide, thereby decreasing the porosity of the ceramic layer. A solid oxide fuel cell is provided. The solid oxide fuel cell comprises an anode; a cathode; and a ceramic electrolyte disposed between the anode and the cathode. The ceramic electrolyte is processed by the method comprising the steps of providing a ceramic electrolyte comprising a plurality of microcracks; infiltrating at least some of the plurality of microcracks with a liquid precursor comprising at least one oxidizable metal ion; and exposing the ceramic electrolyte to a base having a pH value of at least about 9, so as to chemically convert the oxidizable metal ion into an oxide, thereby decreasing the porosity of the ceramic electrolyte.
摘要翻译： 提供了一种处理陶瓷层的方法。 该方法包括提供包括多个微裂纹的陶瓷层的步骤; 用包含至少一种可氧化金属离子的液体前体渗透多个微裂纹中的至少一些; 并将陶瓷层暴露于pH值为至少约9的碱，以便将可氧化金属离子化学转化为氧化物，从而降低陶瓷层的孔隙率。 提供了固体氧化物燃料电池。 固体氧化物燃料电池包括阳极; 阴极 以及设置在阳极和阴极之间的陶瓷电解质。 通过包括以下步骤的方法处理陶瓷电解质，提供包含多个微裂纹的陶瓷电解质; 用包含至少一种可氧化金属离子的液体前体渗透多个微裂纹中的至少一些; 并将陶瓷电解质暴露于pH值为至少约9的碱，以便将可氧化金属离子化学转化为氧化物，从而降低陶瓷电解质的孔隙率。
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公开(公告)号：US20090075146A1
公开(公告)日：2009-03-19
申请号：US11854702
申请日：2007-09-13
IPC分类号： H01M8/10
CPC分类号： H01M8/1253 , H01M2300/0077 , Y02E60/525 , Y02P70/56
摘要： A method of processing a ceramic layer is provided. The method comprises the steps of providing a ceramic layer comprising a plurality of microcracks; infiltrating at least some of the plurality of microcracks with a liquid precursor comprising at least one oxidizable metal ion; and exposing the ceramic layer to a base having a pH value of at least about 9, so as to chemically convert the oxidizable metal ion into an oxide, thereby decreasing the porosity of the ceramic layer. A solid oxide fuel cell is provided. The solid oxide fuel cell comprises an anode; a cathode; and a ceramic electrolyte disposed between the anode and the cathode. The ceramic electrolyte is processed by the method comprising the steps of providing a ceramic electrolyte comprising a plurality of microcracks; infiltrating at least some of the plurality of microcracks with a liquid precursor comprising at least one oxidizable metal ion; and exposing the ceramic electrolyte to a base having a pH value of at least about 9, so as to chemically convert the oxidizable metal ion into an oxide, thereby decreasing the porosity of the ceramic electrolyte.
摘要翻译： 提供了一种处理陶瓷层的方法。 该方法包括提供包括多个微裂纹的陶瓷层的步骤; 用包含至少一种可氧化金属离子的液体前体渗透多个微裂纹中的至少一些; 并将陶瓷层暴露于pH值为至少约9的碱，以便将可氧化金属离子化学转化为氧化物，从而降低陶瓷层的孔隙率。 提供固体氧化物燃料电池。 固体氧化物燃料电池包括阳极; 阴极 以及设置在阳极和阴极之间的陶瓷电解质。 通过包括以下步骤的方法处理陶瓷电解质，提供包含多个微裂纹的陶瓷电解质; 用包含至少一种可氧化金属离子的液体前体渗透多个微裂纹中的至少一些; 并将陶瓷电解质暴露于pH值为至少约9的碱，以便将可氧化金属离子化学转化为氧化物，从而降低陶瓷电解质的孔隙率。
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公开(公告)号：US07691770B2
公开(公告)日：2010-04-06
申请号：US11218651
申请日：2005-09-02
申请人： James Anthony Ruud , Kenneth Walter Browall , Timothy Joseph Rehg , Stephane Renou , Todd-Michael Striker
发明人： James Anthony Ruud , Kenneth Walter Browall , Timothy Joseph Rehg , Stephane Renou , Todd-Michael Striker
CPC分类号： C25B11/00 , H01M4/8853 , H01M4/9058 , H01M4/92 , H01M8/1246 , H01M8/1253 , H01M2300/0077 , Y02E60/525 , Y02P70/56
摘要： A method of making an electrode structure is provided. The method includes disposing an electrocatalytic material on an electrode, applying heat to the electrocatalytic material to form a volatile oxide of the electrocatalytic material, and applying a voltage to the electrode to reduce the volatile oxide to provide a number of nano-sized electrocatalytic particles on or proximate to a triple phase boundary, where the number of nano-sized electrocatalytic particles is greater on or proximate to the triple phase boundary than in an area that is not on or proximate to the triple phase boundary, and where the triple phase boundary is disposed on the electrode.
摘要翻译： 提供了制作电极结构的方法。 该方法包括在电极上设置电催化材料，向电催化材料施加热量以形成电催化材料的挥发性氧化物，并向电极施加电压以减少挥发性氧化物以在多个纳米尺寸的电催化颗粒上提供 或接近三相边界，其中纳米尺寸的电催化颗粒的数量在三相边界上或接近三相边界时比在不在或接近三相边界的区域中更大，并且其中三相边界为 设置在电极上。
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4.发明申请COMPOSITE CERAMIC ELECTROLYTE STRUCTURE AND METHOD OF FORMING; AND RELATED ARTICLES 审中-公开复合陶瓷电解质结构及其形成方法; 和相关文章公开(公告)号：US20080299436A1
公开(公告)日：2008-12-04
申请号：US11755044
申请日：2007-05-30
CPC分类号： H01M8/1246 , H01M2300/0074 , H01M2300/0091 , Y02E60/525 , Y02P70/56
摘要： A composite ceramic electrolyte is provided. The composite ceramic electrolyte has a microstructure, which comprises a first ceramic composition comprising a plurality of nano-dimensional microcracks, and a second ceramic composition substantially embedded within at least a portion of the plurality of nano-dimensional microcracks. The first and the second compositions are different. A solid oxide fuel cell comprising a composite ceramic electrolyte having such a microstructure is provided. A method of making a composite ceramic electrolyte is also described. The method includes the steps of: providing a first ceramic composition comprising a plurality of nano-dimensional microcracks; and closing a number of the nano-dimensional microcracks with a second ceramic composition, wherein the first and the second compositions are different, so as to form a composite ceramic electrolyte having a microstructure which comprises a first ceramic composition comprising a plurality of nano-dimensional microcracks and a second ceramic composition substantially embedded within at least a portion of the plurality of nano-dimensional microcracks.
摘要翻译： 提供复合陶瓷电解质。 复合陶瓷电解质具有微观结构，其包括包含多个纳米尺寸微裂纹的第一陶瓷组合物，以及基本嵌入在所述多个纳米尺寸微裂纹的至少一部分中的第二陶瓷组合物。 第一和第二组合物是不同的。 提供一种包括具有这种微结构的复合陶瓷电解质的固体氧化物燃料电池。 还描述了制备复合陶瓷电解质的方法。 该方法包括以下步骤：提供包含多个纳米尺寸微裂纹的第一陶瓷组合物; 以及用第二陶瓷组合物封闭许多纳米尺寸微裂纹，其中所述第一和第二组合物是不同的，以便形成具有微结构的复合陶瓷电解质，所述复合陶瓷电解质包含第一陶瓷组合物，所述第一陶瓷组合物包含多个纳米尺寸 微裂纹和基本上嵌入在所述多个纳米尺寸微裂纹的至少一部分中的第二陶瓷组合物。
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公开(公告)号：US08617762B2
公开(公告)日：2013-12-31
申请号：US11863747
申请日：2007-09-28
申请人： Shu Ching Quek , Chandra Sekher Yerramalli , Todd-Michael Striker , Badri Narayan Ramamurthi , Sylvia Marie DeCarr , Venkat Subramaniam Venkataramani
发明人： Shu Ching Quek , Chandra Sekher Yerramalli , Todd-Michael Striker , Badri Narayan Ramamurthi , Sylvia Marie DeCarr , Venkat Subramaniam Venkataramani
IPC分类号： H01M8/10
CPC分类号： H01M8/1253 , H01M8/1246 , H01M2008/1293 , H01M2300/0071 , H01M2300/0074 , Y02E60/525 , Y02P70/56
摘要： A method of processing a ceramic electrolyte suitable for use in a fuel cell is provided. The method comprises situating a ceramic electrolyte layer over an anode layer; and subjecting the ceramic electrolyte layer to a stress prior to operation of the fuel cell, by: exposing the top surface of the electrolyte layer to an oxidizing atmosphere and the bottom surface of the electrolyte layer to a reducing atmosphere; and heating the electrolyte layer. The stress causes a substantial increase in the number of microcracks, or in the average size of the microcracks, or in both the number of the microcracks and their average size. A solid oxide fuel cell comprising a ceramic electrolyte layer processed by the disclosed method is also provided.
摘要翻译： 提供一种处理适用于燃料电池的陶瓷电解质的方法。 该方法包括将阳极层上的陶瓷电解质层定位; 并且在燃料电池操作之前对陶瓷电解质层施加应力，通过：将电解质层的顶表面暴露于氧化气氛和电解质层的底表面至还原气氛; 并加热电解质层。 应力导致微裂纹数量或微裂纹的平均尺寸或微裂纹数量及其平均尺寸的显着增加。 还提供了包括通过所公开的方法处理的陶瓷电解质层的固体氧化物燃料电池。
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公开(公告)号：US20120178015A1
公开(公告)日：2012-07-12
申请号：US11863747
申请日：2007-09-28
申请人： Shu Ching Quek , Chandra Sekher Yerramalli , Todd-Michael Striker , Badri Narayan Ramamurthi , Sylvia Marie DeCarr , Venkat Subramaniam Venkataramani
发明人： Shu Ching Quek , Chandra Sekher Yerramalli , Todd-Michael Striker , Badri Narayan Ramamurthi , Sylvia Marie DeCarr , Venkat Subramaniam Venkataramani
CPC分类号： H01M8/1253 , H01M8/1246 , H01M2008/1293 , H01M2300/0071 , H01M2300/0074 , Y02E60/525 , Y02P70/56
摘要： A method of processing a ceramic electrolyte suitable for use in a fuel cell is provided. The method comprises situating a ceramic electrolyte layer over an anode layer; and subjecting the ceramic electrolyte layer to a stress prior to operation of the fuel cell, by: exposing the top surface of the electrolyte layer to an oxidizing atmosphere and the bottom surface of the electrolyte layer to a reducing atmosphere; and heating the electrolyte layer. The stress causes a substantial increase in the number of microcracks, or in the average size of the microcracks, or in both the number of the microcracks and their average size. A solid oxide fuel cell comprising a ceramic electrolyte layer processed by the disclosed method is also provided.
摘要翻译： 提供一种处理适用于燃料电池的陶瓷电解质的方法。 该方法包括将阳极层上的陶瓷电解质层定位; 并且在燃料电池操作之前对陶瓷电解质层施加应力，通过：将电解质层的顶表面暴露于氧化气氛和电解质层的底表面至还原气氛; 并加热电解质层。 应力导致微裂纹数量或微裂纹的平均尺寸或微裂纹数量及其平均尺寸的显着增加。 还提供了包括通过所公开的方法处理的陶瓷电解质层的固体氧化物燃料电池。
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公开(公告)号：US20110221456A1
公开(公告)日：2011-09-15
申请号：US12721916
申请日：2010-03-11
申请人： Jody Alan Fronheiser , Don Mark Lipkin , Peter Micah Sandvik , Todd Michael Striker , Martin Mathew Morra
发明人： Jody Alan Fronheiser , Don Mark Lipkin , Peter Micah Sandvik , Todd Michael Striker , Martin Mathew Morra
CPC分类号： C04B35/58092 , C04B35/5607 , C04B35/5626 , C04B35/565 , C04B2235/3826 , C04B2235/3839 , C04B2235/3847 , C04B2235/3891 , C04B2235/77 , C04B2235/80 , C04B2235/9676 , G01N27/125
摘要： A sensor system, and an associated method for detecting harsh environmental conditions, is provided. The sensor system includes at least one sensor having an electrical sensing element. The electrical sensing element is based on certain classes of composite materials: (a) silicon carbide (SiC); (Mo,W)5Si3C; (Mo,W)Si2; or (b) (Mo,W)5Si3C; (Mo,W)Si2; (Mo,W)5Si3. The sensor system is useful for determining harsh environmental conditions. Gasification systems, which include at least one of the sensor systems are also described.
摘要翻译： 提供了一种用于检测恶劣环境条件的传感器系统和相关联的方法。 传感器系统包括具有电感元件的至少一个传感器。 电感元件基于某些类别的复合材料：（a）碳化硅（SiC）; （Mo，W）5Si3C; （Mo，W）Si2; 或（b）（Mo，W）5Si 3 C; （Mo，W）Si2; （Mo，W）5Si3。 传感器系统可用于确定恶劣的环境条件。 还描述了包括至少一个传感器系统的气化系统。
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公开(公告)号：US20110210013A1
公开(公告)日：2011-09-01
申请号：US12713481
申请日：2010-02-26
申请人： Vidya Ramaswamy , James Anthony Ruud , Mohan Manoharan , Todd-Michael Striker , Patrick Daniel Willson
发明人： Vidya Ramaswamy , James Anthony Ruud , Mohan Manoharan , Todd-Michael Striker , Patrick Daniel Willson
IPC分类号： G01N27/26
CPC分类号： G01N27/4074 , G01N27/417
摘要： A detection system is presented. The detection system includes a sensing component and a data analyzer. The sensing component includes a first sensor and a second sensor in fluid communication with the first sensor. The first sensor is disposed to allow operation at a predetermined temperature T1 and is selective to a first gas species at T1 and in presence of a second gas species. The second sensor is disposed to allow operation at a temperature T2 and is sensitive to the first gas species and a second gas species at T2. Temperature T2 is lower than T1. The data analyzer is disposed to receive an output signal from the sensing component and configured to calculate concentrations of the first gas species and the second gas species based on the output signal from the sensing component. A method of calculating concentrations of gas species in a gaseous mixture is also presented.
摘要翻译： 提出了一种检测系统。 检测系统包括感测部件和数据分析器。 感测部件包括与第一传感器流体连通的第一传感器和第二传感器。 第一传感器设置成允许在预定温度T1下操作，并且在T1和第二气体种类的存在下对第一气体种类是选择性的。 第二传感器被设置为允许在温度T2下操作并且对T2的第一气体物质和第二气体物质敏感。 温度T2低于T1。 数据分析器被设置为接收来自感测部件的输出信号，并且被配置为基于来自感测部件的输出信号来计算第一气体种类和第二气体种类的浓度。 还提出了一种计算气体混合物中气体种类浓度的方法。
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9.发明申请Systems and method for solid oxide fuel cell cathode processing and testing 审中-公开固体氧化物燃料电池阴极处理和测试的系统和方法公开(公告)号：US20080176113A1
公开(公告)日：2008-07-24
申请号：US11656078
申请日：2007-01-22
CPC分类号： H01M8/00 , H01M4/8621 , H01M4/8885 , H01M8/0204 , H01M8/1231 , H01M8/2404 , H01M8/2425 , H01M8/2432 , Y10T156/10
摘要： Systems and methods for high performing in-situ SOFC cathodes, demonstrating self-improved performance over time. Exemplary embodiments include a SOFC including an electrolyte layer, an anode coupled to the electrolyte layer and a cathode coupled to the electrolyte layer, wherein the anode is prepared by applying an anode contact layer to the anode layer and applying anode bond paste to the anode contact layer, wherein the cathode is prepared by screen printing a cathode layer on the electrolyte with or without a barrier layer, and applying cathode bond paste to the dried cathode layer and drying the cathode bond paste in an oven.
摘要翻译： 用于高性能原位SOFC阴极的系统和方法，证明自我改进的性能随着时间的推移。 示例性实施例包括包括电解质层的SOFC，耦合到电解质层的阳极和耦合到电解质层的阴极，其中通过向阳极层施加阳极接触层并将阳极粘合膏施加到阳极接触层来制备阳极 层，其中通过在具有或不具有阻挡层的电解质上丝网印刷阴极层来制备阴极，并且将阴极粘合浆料施加到干燥的阴极层上并在烘箱中干燥阴极粘合膏。
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公开(公告)号：US20070054798A1
公开(公告)日：2007-03-08
申请号：US11218651
申请日：2005-09-02
CPC分类号： C25B11/00 , H01M4/8853 , H01M4/9058 , H01M4/92 , H01M8/1246 , H01M8/1253 , H01M2300/0077 , Y02E60/525 , Y02P70/56
摘要： A method of making an electrode structure is provided. The method includes disposing an electrocatalytic material on an electrode, applying heat to the electrocatalytic material to form a volatile oxide of the electrocatalytic material, and applying a voltage to the electrode to reduce the volatile oxide to provide a number of nano-sized electrocatalytic particles on or proximate to a triple phase boundary, where the number of nano-sized electrocatalytic particles is greater on or proximate to the triple phase boundary than in an area that is not on or proximate to the triple phase boundary, and where the triple phase boundary is disposed on the electrode.
摘要翻译： 提供了制作电极结构的方法。 该方法包括在电极上设置电催化材料，向电催化材料施加热量以形成电催化材料的挥发性氧化物，并向电极施加电压以减少挥发性氧化物以在多个纳米尺寸的电催化颗粒上提供 或接近三相边界，其中纳米尺寸的电催化颗粒的数量在三相边界上或接近三相边界时比在不在或接近三相边界的区域中更大，并且其中三相边界为 设置在电极上。
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