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11.发明申请公开(公告)号：US20090148743A1
公开(公告)日：2009-06-11
申请号：US12001072
申请日：2007-12-07
CPC分类号： H01M4/8657 , C01G53/00 , C01G53/006 , C01G53/04 , C01P2002/52 , C01P2002/54 , C01P2002/72 , C01P2006/40 , C04B35/01 , C04B35/50 , C04B2235/3224 , C04B2235/3229 , C04B2235/3246 , C04B2235/3277 , C04B2235/3279 , C04B2235/5409 , H01M8/0236 , H01M8/0245 , H01M8/1213 , H01M8/126 , H01M2004/8689 , Y02E60/525 , Y02P70/56
摘要： Electrode materials systems for planar solid oxide fuel cells with high electrochemical performance including anode materials that provide exceptional long-term durability when used in reducing gases and cathode materials that provide exceptional long-term durability when used in oxygen-containing gases. The cathode materials comprise zinc-doped lanthanum strontium ferrite (LSZF) or an alternative ferrite, cobaltite or nickelate ceramic electrode material. The cathode material also may comprise a mixed-conducting ceria-based electrolyte material, a palladium dopant, or a combination of these. The cathode may have a bi-layer structure. A ceramic-based interfacial layer may be provided at the electrolyte/cathode interface. The multilayer cathode system and its palladium doped cathode material exhibit a high degree of tolerance to chromium contamination during operation with metallic interconnect materials.
摘要翻译： 用于具有高电化学性能的平面固体氧化物燃料电池的电极材料系统，包括当用于还原气体和阴极材料时提供卓越的长期耐用性的阳极材料，当在含氧气体中使用时，其具有特殊的长期耐用性。 阴极材料包括掺杂锌的镧锶铁氧体（LSZF）或替代铁氧体，钴酸盐或镍酸盐陶瓷电极材料。 阴极材料还可以包括混合导电的二氧化铈基电解质材料，钯掺杂剂或它们的组合。 阴极可以具有双层结构。 可以在电解质/阴极界面处提供陶瓷界面层。 多层阴极系统及其钯掺杂阴极材料在金属互连材料操作期间表现出对铬污染的高度的耐受性。
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12.发明申请AMPEROMETRIC ELECTROCHEMICAL SENSORS, SENSOR SYSTEMS AND DETECTION METHODS 审中-公开电容式电化学传感器，传感器系统和检测方法公开(公告)号：US20160077044A1
公开(公告)日：2016-03-17
申请号：US14854016
申请日：2015-09-14
IPC分类号： G01N27/407
CPC分类号： G01N27/4074 , B32B18/00 , C04B35/00 , C04B2237/343 , C04B2237/62 , C04B2237/68 , C22C29/005 , C22C29/12 , G01N27/4075 , G01N27/417 , G01N33/0031 , G01N33/0037 , G01N33/0054 , Y02A50/245 , Y02A50/246
摘要： An amperometric electrochemical sensor for measuring the concentrations of two or more target gas species in a gas sample or gas stream, wherein the sensor includes first and second electrochemical cells having respective first and second active electrodes, the electrochemical cells further including an electrolyte membrane and a counter electrode, wherein the first electrochemical cell exhibits an additive response with respect to a first and second ones of the target gas species and the second electrochemical cell exhibits a selective response to the first target gas species in the presence of the second target gas species such that the sensor is capable of measuring the respective concentrations of the first and second target gas species.
摘要翻译： 一种电流电化学传感器，用于测量气体样品或气体流中两种或更多种目标气体物质的浓度，其中所述传感器包括具有相应的第一和第二活性电极的第一和第二电化学电池，所述电化学电池还包括电解质膜和 对电极，其中所述第一电化学电池相对于所述目标气体物质中的第一和第二目标气体物质显示相加响应，并且所述第二电化学电池在所述第二目标气体种类存在下显示对所述第一目标气体种类的选择性响应， 传感器能够测量第一和第二目标气体种类的相应浓度。
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公开(公告)号：US09054348B2
公开(公告)日：2015-06-09
申请号：US13447155
申请日：2012-04-13
IPC分类号： H01M2/00 , H01M2/20 , H01M2/22 , H01M2/26 , H01M2/30 , H01M8/00 , H01M8/02 , H01M8/10 , H01M8/12
CPC分类号： H01M8/0215 , H01M8/1213 , Y02E60/521 , Y02E60/525
摘要： An electrochemical device having one or more solid oxide fuel cells (SOFCs), each of the SOFCs including a cathode, an anode, and an electrolyte layer positioned between the cathode and anode; and at least one additional component comprising a metallic substrate having an electronically conductive, chromium-free perovskite coating deposited directly thereon. The perovskite coating has the formula ABO3, wherein A is a lanthanide element or Y, and B is a mixture of two or more transition elements, with the A site undoped by any alkaline earth element, and the perovskite coating exhibits limited or no ionic transport of oxygen.
摘要翻译： 一种具有一个或多个固体氧化物燃料电池（SOFC）的电化学装置，每个SOFC包括位于阴极和阳极之间的阴极，阳极和电解质层; 以及包括金属基底的至少一个附加部件，其具有直接沉积在其上的电子导电的无铬钙钛矿涂层。 钙钛矿涂层具有式ABO 3，其中A是镧系元素或Y，B是两种或更多种过渡元素的混合物，其中A位点不被任何碱土金属元素掺杂，并且钙钛矿涂层表现出有限的或没有离子迁移 的氧气。
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公开(公告)号：US20120264031A1
公开(公告)日：2012-10-18
申请号：US13447155
申请日：2012-04-13
CPC分类号： H01M8/0215 , H01M8/1213 , Y02E60/521 , Y02E60/525
摘要： An electrochemical device having one or more solid oxide fuel cells (SOFCs), each of the SOFCs including a cathode, an anode, and an electrolyte layer positioned between the cathode and anode; and at least one additional component comprising a metallic substrate having an electronically conductive, chromium-free perovskite coating deposited directly thereon. The perovskite coating has the formula ABO3, wherein A is a lanthanide element or Y, and B is a mixture of two or more transition elements, with the A site undoped by any alkaline earth element, and the perovskite coating exhibits limited or no ionic transport of oxygen.
摘要翻译： 一种具有一个或多个固体氧化物燃料电池（SOFC）的电化学装置，每个SOFC包括位于阴极和阳极之间的阴极，阳极和电解质层; 以及包括金属基底的至少一个附加部件，其具有直接沉积在其上的电子导电的无铬钙钛矿涂层。 钙钛矿涂层具有式ABO 3，其中A是镧系元素或Y，B是两种或更多种过渡元素的混合物，其中A位点不被任何碱土金属元素掺杂，并且钙钛矿涂层表现出有限的或没有离子迁移 的氧气。
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公开(公告)号：US20120055789A1
公开(公告)日：2012-03-08
申请号：US12875407
申请日：2010-09-03
申请人： Scott L. Swartz , Matthew M. Seabaugh , Lora B. Thrun , Paul H. Matter , Michael J. Day , William J. Dawson , Buddy E. McCormick
发明人： Scott L. Swartz , Matthew M. Seabaugh , Lora B. Thrun , Paul H. Matter , Michael J. Day , William J. Dawson , Buddy E. McCormick
IPC分类号： G01N27/407
CPC分类号： G01N33/0054 , G01N27/403 , G01N27/4074 , G01N33/0037
摘要： Amperometric ceramic electrochemical cells comprise, in one embodiment, an electrolyte layer, a sensing electrode layer comprising a ceramic phase and a metallic phase, and a counter electrode layer, wherein the cell is operable in an oxidizing atmosphere and under an applied bias to exhibit enhanced reduction of oxygen molecules at the sensing electrode in the presence of one or more target gases such as nitrogen oxides (NOX) or NH3 and a resulting increase in oxygen ion flux through the cell. In another embodiment, amperometric ceramic electrochemical cells comprise an electrolyte layer comprising a continuous network of a first material which is ionically conducting at an operating temperature of about 200 to 550° C.; a counter electrode layer comprising a continuous network of a second material which is electrically conductive at an operating temperature of about 200 to 550° C.; and a sensing electrode layer comprising a continuous network of a ceramic phase and a metallic phase which is electrically conductive at an operating temperature of about 200 to 550° C., which sensing electrode is operable to exhibit increased charge transfer in the presence of one or more target gas species. These electrochemical cells and additional electrochemical cell embodiments are suitable for use in gas sensors and methods of sensing or detecting one or more target gases.
摘要翻译： 电化学陶瓷电化学电池在一个实施方案中包括电解质层，包含陶瓷相和金属相的感测电极层和对电极层，其中电池在氧化气氛中和施加的偏压下可操作以显示增强的 在一种或多种目标气体如氮氧化物（NOX）或NH 3存在下，在感测电极处还原氧分子，并导致通过电池的氧离子通量的增加。 在另一个实施方案中，电流分析陶瓷电化学电池包括电解质层，其包含第一材料的连续网络，其在约200至550℃的操作温度下离子导电; 对电极层，包括在约200至550℃的操作温度下导电的第二材料的连续网络; 以及感测电极层，其包含在约200至550℃的操作温度下导电的陶瓷相和金属相的连续网络，所述感测电极可操作以在存在一个或多个的情况下表现出增加的电荷转移 更多的目标气体种类。 这些电化学电池和附加的电化学电池实施例适用于气体传感器和感测或检测一种或多种目标气体的方法。
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公开(公告)号：US07871735B2
公开(公告)日：2011-01-18
申请号：US10977318
申请日：2004-10-29
CPC分类号： H01M4/8885 , H01M4/8621 , H01M4/9033 , H01M4/9066 , H01M8/1253 , Y02E60/525 , Y02P70/56
摘要： Ceramic laminate structures, particularly laminate structures including stabilized zirconia compositions, as well as electrodes and electrochemical cells including such laminate structures. The stabilized zirconia composition preferably are selected from scandia-stabilized zirconia and yttria-stabilized zirconia. These laminate structures enhance the overall flexural strength of the electrolyte layer while preserving high electrical conductivity. Such laminate structures may be useful in electrochemical fuel cells such as solid oxide fuel cells.
摘要翻译： 陶瓷层压结构，特别是包括稳定的氧化锆组合物的层压结构，以及包括这种层压结构的电极和电化学电池。 稳定的氧化锆组合物优选选自Scandia稳定的氧化锆和氧化钇稳定的氧化锆。 这些层压结构提高了电解质层的整体弯曲强度，同时保持了高导电性。 这种层压结构可用于电化学燃料电池，例如固体氧化物燃料电池。
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公开(公告)号：US20090148742A1
公开(公告)日：2009-06-11
申请号：US12001062
申请日：2007-12-07
CPC分类号： H01M8/1213 , H01M4/8621 , H01M4/8657 , H01M4/8807 , H01M4/8885 , H01M4/9066 , H01M8/124 , H01M8/126 , H01M8/22 , H01M2004/8684 , H01M2008/1293 , H01M2300/0074 , H01M2300/0077 , H01M2300/0091 , Y02E60/525 , Y02P70/56
摘要： Electrode materials systems for planar solid oxide fuel cells with high electrochemical performance including anode materials that provide exceptional long-term durability when used in reducing gases and cathode materials that provide exceptional long-term durability when used in oxygen-containing gases. The anode materials may comprise a cermet in which the metal component is a cobalt-nickel alloy. These anode materials provide exceptional long-term durability when used in reducing gases, e.g., in SOFCs with sulfur contaminated fuels. The cermet also may comprise a mixed-conducting ceria-based electrolyte material. The anode may have a bi-layer structure. A cerium oxide-based interfacial layer with mixed electronic and ionic conduction may be provided at the electrolyte/anode interface.
摘要翻译： 用于具有高电化学性能的平面固体氧化物燃料电池的电极材料系统，包括当用于还原气体和阴极材料时提供卓越的长期耐用性的阳极材料，当在含氧气体中使用时，其具有特殊的长期耐用性。 阳极材料可以包括其中金属组分是钴镍合金的金属陶瓷。 当用于还原气体时，这些阳极材料具有特殊的长期耐用性，例如在具有硫污染燃料的SOFC中。 金属陶瓷也可以包含混合导电的二氧化铈基电解质材料。 阳极可以具有双层结构。 可以在电解质/阳极界面处提供具有混合电子和离子传导的氧化铈基界面层。
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18.发明申请Nonazeotropic terpineol-based spray suspensions for the deposition of electrolytes and electrodes and electrochemical cells including the same 审中-公开用于沉积电解质和电极的非共沸萜品醇基喷雾悬浮液和包括其的电化学电池公开(公告)号：US20070180689A1
公开(公告)日：2007-08-09
申请号：US11349733
申请日：2006-02-08
CPC分类号： C04B41/89 , C04B35/486 , C04B35/6261 , C04B35/6264 , C04B35/62655 , C04B35/6365 , C04B41/009 , C04B41/52 , C04B2111/00853 , C04B2235/3217 , C04B2235/3224 , H01M4/9033 , H01M8/12 , H01M8/124 , H01M8/1253 , H01M8/126 , Y02E60/525 , Y02P70/56 , Y10T29/49115 , C04B41/4543 , C04B41/5045 , C04B41/0072 , C04B41/5042 , C04B35/016 , C04B35/48 , C04B38/00
摘要： A family of spray suspensions for aerosol deposition of green ceramic layers that subsequently can be sintered to produce both dense and porous ceramic layers. The suspensions comprise a nonazeotropic solvent mixture, a ceramic powder, a dispersant, and a an organic binder. The invention also includes methods for depositing coatings of these ceramic suspensions on a substrate, either singly or sequentially, to form electrochemically efficient multilayer structures that can be economically co-sintered. The suspensions and deposition approach allow formation of thin layers of varying microstructure and composition in the sintered state. The suspensions and deposition approach are likely to be useful in the fabrication of electrochemical devices.
摘要翻译： 一系列用于气溶胶沉积生坯陶瓷层的喷雾悬浮液，其随后可被烧结以产生致密和多孔陶瓷层。 悬浮液包括非共沸溶剂混合物，陶瓷粉末，分散剂和有机粘合剂。 本发明还包括将这些陶瓷悬浮液的涂层单独或顺序沉积在基底上以形成经济共烧结的电化学有效的多层结构的方法。 悬浮液和沉积方法允许在烧结状态下形成不同微结构和组成的薄层。 悬浮液和沉积方法可能在制造电化学装置中是有用的。
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公开(公告)号：US10454118B2
公开(公告)日：2019-10-22
申请号：US12633606
申请日：2009-12-08
IPC分类号： H01M4/90 , H01M8/02 , H01M8/0232
摘要： A sulfur tolerant anode current collector material includes a mesh or foam that includes a cermet. The cermet includes a metallic component and a ceramic component. The metallic component includes nickel, an alloy including nickel and cobalt, or a mixture including a nickel compound and a cobalt compound. The ceramic component includes a mixed conducting electrolyte material.
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公开(公告)号：US08974657B2
公开(公告)日：2015-03-10
申请号：US12875407
申请日：2010-09-03
申请人： Scott L. Swartz , Matthew M. Seabaugh , Lora B. Thrun , Paul H. Matter , Michael J. Day , William J. Dawson , Buddy E. McCormick
发明人： Scott L. Swartz , Matthew M. Seabaugh , Lora B. Thrun , Paul H. Matter , Michael J. Day , William J. Dawson , Buddy E. McCormick
IPC分类号： G01N33/00 , G01N27/403
CPC分类号： G01N33/0054 , G01N27/403 , G01N27/4074 , G01N33/0037
摘要： Amperometric ceramic electrochemical cells comprise, in one embodiment, an electrolyte layer, a sensing electrode layer comprising a ceramic phase and a metallic phase, and a counter electrode layer, wherein the cell is operable in an oxidizing atmosphere and under an applied bias to exhibit enhanced reduction of oxygen molecules at the sensing electrode in the presence of one or more target gases such as nitrogen oxides (NOX) or NH3 and a resulting increase in oxygen ion flux through the cell. In another embodiment, amperometric ceramic electrochemical cells comprise an electrolyte layer comprising a continuous network of a first material which is ionically conducting at an operating temperature of about 200 to 550° C.; a counter electrode layer comprising a continuous network of a second material which is electrically conductive at an operating temperature of about 200 to 550° C.; and a sensing electrode layer comprising a continuous network of a ceramic phase and a metallic phase which is electrically conductive at an operating temperature of about 200 to 550° C., which sensing electrode is operable to exhibit increased charge transfer in the presence of one or more target gas species. These electrochemical cells and additional electrochemical cell embodiments are suitable for use in gas sensors and methods of sensing or detecting one or more target gases.
摘要翻译： 电化学陶瓷电化学电池在一个实施方案中包括电解质层，包含陶瓷相和金属相的感测电极层和对电极层，其中电池在氧化气氛中和施加的偏压下可操作以显示增强的 在一种或多种目标气体如氮氧化物（NOX）或NH 3存在下，在感测电极处还原氧分子，并导致通过电池的氧离子通量的增加。 在另一个实施方案中，电流分析陶瓷电化学电池包括电解质层，其包含第一材料的连续网络，其在约200至550℃的操作温度下离子导电; 对电极层，包括在约200至550℃的操作温度下导电的第二材料的连续网络; 以及感测电极层，其包含在约200至550℃的操作温度下导电的陶瓷相和金属相的连续网络，该感测电极可操作以在存在一个或多个的情况下显示出增加的电荷转移 更多的目标气体种类。 这些电化学电池和附加的电化学电池实施例适用于气体传感器和感测或检测一种或多种目标气体的方法。
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