FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. 1. A fuel cell system , comprising:a plurality of electrochemical cells, each electrochemical cell formed of an anode, a cathode spaced apart from said anode, and an electrolyte disposed between said anode and said cathode;an interconnect electrically coupling a pair of electrically adjacent electrochemical cells, said interconnect electrically coupling said anode of one electrochemical cell to said cathode of the other electrochemical cell;an electrode conductive layer electrically coupled to said interconnect; anda separation feature configured to space apart said electrode conductive layer from said electrolyte.2. The fuel cell system of claim 1 , wherein said electrode conductive layer is a cathode conductive layer electrically coupled to said cathode and to said interconnect.3. The fuel cell system of claim 1 , wherein said interconnect includes a portion embedded within said electrolyte.4. The fuel cell system of claim 1 , wherein said separation feature is configured to prevent the formation of a parasitic cell formed of said electrode conductive layer claim 1 , said electrolyte and said interconnect.5. The fuel cell system of claim 4 , wherein said electrode conductive layer is a cathode conductive layer.6. The fuel cell system of claim 1 , wherein the separation feature is a gap between said electrode conductive layer and said electrolyte.7. The fuel cell system of claim 1 , wherein the separation feature is an ...

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. 1. A fuel cell system , comprising:a plurality of electrochemical cells, each electrochemical cell formed of an anode, a cathode spaced apart from said anode, and an electrolyte disposed between said anode and said cathode;an interconnect electrically coupling a pair of electrically adjacent electrochemical cells, said interconnect electrically coupling said anode of one electrochemical cell to said cathode of the other electrochemical cell; anda cathode conductive layer electrically coupled to said interconnect,wherein said interconnect is in contact with said cathode conductive layer and in contact with said electrolyte; and wherein said interconnect is formed of a cermet compound having at least one non-ionic conducting ceramic phase.2. The fuel cell system of claim 1 , wherein the cermet compound includes yttria stabilized zirconia.3. The fuel cell system of claim 1 , wherein the at least one non-ionic conducting ceramic phase of the cermet compound includes pyrochlore powder.4. The fuel cell system of claim 1 , wherein the at least one non-ionic conducting ceramic phase of the cermet compound includes pyrochlore.5. The fuel cell system of claim 4 , wherein the pyrochlore is one or both of LaZrOpyrochlore and PrZrOPyrochlore.6. The fuel cell system of claim 4 , wherein the pyrochlore is of the composition (M)ZrO claim 4 , wherein Mis a rare earth cation.7. The fuel cell system of claim 1 , wherein the at least one non- ...

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. 1. A fuel cell system , comprising:an electrolyte;a first electrochemical cell having a first anode, and a first cathode spaced apart in a first direction from said first anode by said electrolyte, said electrolyte being structured to pass oxygen ions in the first direction from said first cathode to said first anode;a second electrochemical cell having a second anode, a second cathode spaced apart in the first direction from said second anode by said electrolyte, said electrolyte being structured to pass oxygen ions in the first direction from said second cathode to said second anode;an interconnect structured to conduct a flow of electrons from said first anode to said second cathode; andat least one chemical barrier configured to prevent or reduce material migration between said at least a portion of said interconnect and at least one component in electrical communication with said interconnect.2. The fuel cell system of claim 1 , wherein said at least one component in electrical communication with said interconnect is at least one of said first anode and said second cathode.3. The fuel cell system of claim 1 , wherein said interconnect includes a conductor configured to conduct the flow of electrons in a second direction different from said first direction.4. The fuel cell system of claim 3 , wherein said second direction is substantially perpendicular to said first direction.5. The fuel cell system of claim 4 , ...

FUEL CELL SYSTEM WITH INTERCONNECT

In some examples, a fuel cell comprising a first electrochemical cell including a first anode and a first cathode; a second electrochemical cell including a second anode and a second cathode; an interconnect configured to conduct a flow of electrons from the first anode to the second cathode; and a chemical barrier. The chemical barrier may be configured to prevent or reduce material migration between the interconnect and at least one component (e.g., an anode) in electrical communication with the interconnect, where the chemical barrier includes doped strontium titanate. 1. A fuel cell comprising:a first electrochemical cell including a first anode and a first cathode;a second electrochemical cell including a second anode and a second cathode;an interconnect configured to conduct a flow of electrons from the first anode to the second cathode; anda chemical barrier configured to prevent or reduce material migration between the interconnect and at least one component in electrical communication with the interconnect, wherein the chemical barrier includes doped strontium titanate.2. The fuel cell of claim 1 , wherein the doped strontium titanate exhibits a perovskite structure including an A site claim 1 , wherein the A site is doped with at least one La claim 1 , Y claim 1 , Ce claim 1 , Pr claim 1 , Nd claim 1 , Sm claim 1 , Gd claim 1 , Dy claim 1 , Ho claim 1 , and Er.3. The fuel cell of claim 2 , wherein the doped strontium titanate has a chemical formula of (YSr)TiO claim 2 , where 0 Подробнее

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having an interconnect that reduces or eliminates diffusion (leakage) of fuel and oxidant by providing an increased densification, by forming the interconnect as a ceramic/metal composite. 1. A fuel cell system , comprising:a plurality of electrochemical cells, each electrochemical cell including an anode, a cathode spaced apart from the anode, and an electrolyte disposed between the anode and the cathode; anda plurality of interconnects, each interconnect being configured to conduct free electrons between electrochemical cells, wherein each interconnect includes at least one pre-mixed and sintered layer of a ceramic/metal composite; wherein the ceramic/metal composite is formed as a mixture of an electronically conductive ceramic phase and a metallic phase; and wherein the metallic phase is formed by one or more precious metals and/or one or more precious metal alloys.2. The fuel cell system of claim 1 , wherein the electrochemical cells are arranged as a segmented-in-series configuration.3. The fuel cell system of claim 1 , wherein the electrochemical cells are solid oxide fuel cells.4. The fuel cell system of claim 1 , wherein the interconnect is configured to have a porosity of approximately 5% or less.5. The fuel cell system of claim 1 , wherein the one or more precious metals and/or one or more precious metal alloys of the at least one pre-mixed and sintered layer are configured to fill pore spaces in the electronically conductive ceramic phase of the at least one pre-mixed and sintered layer.6. The fuel cell system of claim 1 , further comprising an anode current collector electrically coupled to each anode; and a cathode current collector electrically coupled to each cathode claim 1 , wherein the interconnect is disposed between and in contact with both an anode current collector of one electrochemical cell and a cathode current collector of an adjacent electrochemical cell in a first direction claim 1 , and ...

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes an integrated planar, series connected fuel cell system having electrochemical cells electrically connected via interconnects, wherein the anodes of the electrochemical cells are protected against Ni loss and migration via an engineered porous anode barrier layer. 1. A fuel cell system , comprising:a plurality of electrochemical cells, each electrochemical cell including an Ni-containing anode, a cathode spaced apart from the anode, and an electrolyte disposed between and in contact with both the anode and the cathode, wherein each anode is formed of a material that includes Ni; and wherein reactions take place during operation of the fuel cell system that have a propensity to react with Ni in each anode and result in Ni migration in each anode; anda plurality of interconnects, each interconnect being configured to conduct free electrons between electrochemical cells;a substrate supporting the electrochemical cells; anda first porous anode barrier disposed between each anode and the substrate, wherein the first porous anode barrier is not an active component of the electrochemical cells; and wherein the first porous anode barrier is configured to provide sacrificial Ni during operation of the fuel cell system to prevent Ni migration in the anode.2. The fuel cell system of claim 1 , wherein the Ni in the anode is in the form of NiO; and Ni in the first porous anode barrier is in the form of NiO.3. The fuel cell system of claim 1 , wherein the electrochemical cells are configured as a segmented-in-series arrangement.4. The fuel cell system of claim 1 , wherein each electrochemical cell further comprises a cathode current collector and an anode current collector claim 1 , wherein at least a portion of the anode current collector is vertically disposed between the anode and the first porous anode barrier and contacts both the anode and the first porous anode barrier.5. The fuel cell system of claim 4 , further comprising a plurality of ...

COMPOSITION FOR FUEL CELL ELECTRODE

In some examples, a fuel cell including an anode; electrolyte; and cathode separated from the anode by the electrolyte, wherein the cathode includes a Pr-nickelate based material with (PrA)(NiB)Oas a general formula, where n is 1 as an integer, A is an A-site dopant including of a metal of a group formed by one or more lanthanides, and B is a B-site dopant including of a metal of a group formed by one or more transition metals, wherein the A and B-site dopants are provided such that there is an increase in phase-stability and reduction in degradation of the Pr-nickelate based material, and A is at least one metal cation of lanthanides, La, Nd, Sm, or Gd, B is at least one metal cation of transition metals, Cu, Co, Mn, Zn, or Cr, where: 0 Подробнее

REGENERATION OF FUEL CELL ELECTRODES

A method of operating a fuel cell system is provided. The fuel cell system may comprise one or more solid oxide fuel cells. One or more of the fuel cells may be operated in a fuel cell mode under an average current density of 100 to 1000 mA/cmfor a period of at least five hundred hours. The method may further comprise operating at least one of the fuel cells in an electrolyzer mode under an average current density from 100 to 1500 mA/cm, which may be applied for at least one hour. The ratio of the average current density in the electrolyzer mode to the average current density in the fuel cell mode may be at least one but no more than two and one-half. 1. A method of operating a solid oxide fuel cell system comprising one or more fuel cells , said method comprising:{'sup': '2', 'operating one or more of the fuel cells in a fuel cell mode under an average current density from 100 to 1000 mA/cmfor a period of at least five hundred hours; and'}{'sup': '2', 'operating at least one of the fuel cells in an electrolyzer mode under an average current density from 100 to 1500 mA/cm.'}2. The method of comprising operating the one or more fuel cells in a fuel cell mode for a period of five hundred hours to ten thousand hours.3. The method of comprising operating the one or more fuel cells in a fuel cell mode for a period of one thousand hours to four thousand hours.4. The method of claim 2 , comprising operating the at least one fuel cell in an electrolyzer mode for a period of at least one hour.5. The method of claim 4 , comprising operating the at least one fuel cell in an electrolyzer mode for a period of one hour to seventy two hours.6. The method of claim 1 , comprising operating the at least one fuel cell in a electrolyzer mode for a period of at least one hour.7. The method of comprising operating the fuel cell in an electrolyzer mode for a period of one hour to seventy two hours.8. The method of comprising operating at least one of the fuel cells in an electrolyzer mode ...

Sealing structure for stack tower and stack tower

The present invention relates to the field of fuel cell stacks and stack tower or module, in particular to a sealing structure for stack tower and a stack tower. The sealing structure comprises a first component, a second component and a mica spacer, the first component and the second component are opposite to each other, the mica spacer is disposed between the first component and the second component, sealing part is arranged between the mica spacer and at least one of the first component and the second component, and the sealing part comprises a glass ceramic layer and an outer circumferential ceramic cement ring surrounding the glass cement layer; the sealing structure for stack tower has excellent sealing performance and service durability for a fuel cell system.

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. 1. A fuel cell system , comprising:a cathode of a first electrochemical cell;an electrolyte;an anode of a second electrochemical cell spaced apart from said cathode by said electrolyte; andan interconnect configured to conduct free electrons between said anode and said cathode and to eliminate ionic conductivity through said interconnect, wherein said interconnect is formed of a cermet compound having at least one ceramic phase which does not conduct ions.2. The fuel cell system of claim 1 , wherein the cermet compound includes yttria stabilized zirconia.3. The fuel cell system of claim 1 , wherein the at least one non-ionic conducting ceramic phase of the cermet compound includes pyrochlore powder.4. The fuel cell system of claim 1 , wherein the cermet compound non-ionic conducting ceramic phase includes pyrochlore.5. The fuel cell system of claim 1 , wherein the cermet compound non-ionic conducting ceramic phase includes at least one of SrZrO claim 1 , MgAlOspinel claim 1 , NiAlOspinel and alumina.6. The fuel cell system of claim 1 , wherein the cermet compound metal phase is Ni or a Ni alloy.7. The fuel cell system of claim 1 , wherein the cermet compound metal phase is a precious metal or a precious metal alloy.8. The fuel cell system of claim 1 , wherein said first electrochemical cell further comprises an anode spaced apart from said first electrochemical cell cathode by said electrolyte in a first direction;wherein ...

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes an integrated planar, series connected fuel cell system having electrochemical cells electrically connected via interconnects, wherein the anodes of the electrochemical cells are protected against Ni loss and migration via an engineered porous anode barrier layer. 1. A fuel cell , comprising:an anode comprising Ni;a cathode;an electrolyte disposed between said anode and said cathode;a substrate; anda porous anode barrier disposed between said anode said substrate.2. The fuel cell of claim 1 , wherein said porous anode barrier comprises Ni.3. The fuel cell of wherein said porous anode barrier is configured to provide sacrificial Ni during operation of the fuel cell.4. The fuel cell of wherein said porous anode barrier is configured to prevent Ni migration in said anode during operation of the fuel cell.5. The fuel cell of claim 1 , wherein said porous anode barrier is not an active component of the fuel cell.6. The fuel cell of claim 1 , wherein said porous anode barrier is configured to prevent reactions between said anode and said substrate.7. The fuel cell of claim 1 , wherein said substrate comprises a porous ceramic.8. The fuel cell of claim 1 , wherein said porous anode barrier is configured to provide fuel to said anode.9. The fuel cell of claim 1 , wherein said porous anode barrier comprises an inert claim 1 , porous ceramic.10. The fuel cell of claim 9 , wherein said porous ceramic comprises at least one material selected from the group comprising YSZ claim 9 , SrZrO claim 9 , and SrTiO-doped zirconia.11. A fuel cell system claim 9 , comprising:a plurality of electrochemical cells, each electrochemical cell including an anode;a plurality of interconnects;a porous substrate tube; anda porous anode barrier, wherein said porous anode barrier is disposed between each anode and the porous substrate tube.12. The fuel cell system of claim 11 , wherein said porous anode barrier comprises a cermet material having approximately 10-30% ...

Composition of a nickelate composite cathode for a fuel cell

In some embodiments, a solid oxide fuel cell comprising an anode, an electrolyte, cathode barrier layer, a nickelate composite cathode separated from the electrolyte by the cathode barrier layer, and a cathode current collector layer is provided. The nickelate composite cathode includes a nickelate compound and second oxide material, which may be an ion conductor. The composite may further comprise a third oxide material. The composite may have the general formula (Ln u M1 v M2 s ) n+1 (Ni 1-t N t ) n O 3n+1 -A 1-x B x O y -C w D z Ce (1-w-z) O 2-δ , wherein A and B may be rare earth metals excluding ceria.

Composition of a nickelate composite cathode for a fuel cell

In some embodiments, a solid oxide fuel cell comprising an anode, an electrolyte, cathode barrier layer, a nickelate composite cathode separated from the electrolyte by the cathode barrier layer, and a cathode current collector layer is provided. The nickelate composite cathode includes a nickelate compound and second oxide material, which may be an ion conductor. The composite may further comprise a third oxide material. The composite may have the general formula (Ln u M1 v M2 s ) n+1 (Ni 1-t N t ) n O 3n+1 -A 1-x B x O y —C w D z Ce (1-w-z) O 2-δ , wherein A and B may be rare earth metals excluding ceria.

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes an integrated planar, series connected fuel cell system having electrochemical cells electrically connected via interconnects, wherein the anodes of the electrochemical cells are protected against Ni loss and migration via an engineered porous anode barrier layer. 1. A fuel cell , comprising:an anode comprising Ni;a cathode;an electrolyte disposed between said anode and said cathode;a substrate; anda porous anode barrier disposed between said anode and said substrate, wherein the porous anode barrier is electrically insulating.2. The fuel cell of claim 1 , wherein said porous anode barrier comprises Ni.3. The fuel cell of wherein said porous anode barrier is configured to provide sacrificial Ni during operation of the fuel cell.4. The fuel cell of wherein said porous anode barrier is configured to prevent Ni migration in said anode during operation of the fuel cell.5. The fuel cell of claim 1 , wherein said porous anode barrier is not an active component of the fuel cell.6. The fuel cell of claim 1 , wherein said porous anode barrier is configured to prevent reactions between said anode and said substrate.7. The fuel cell of claim 1 , wherein said substrate comprises a porous ceramic.8. The fuel cell of claim 1 , wherein said porous anode barrier is configured to provide fuel to said anode.9. The fuel cell of claim 1 , wherein said porous anode barrier comprises an inert claim 1 , porous ceramic.10. The fuel cell of claim 9 , wherein said porous ceramic comprises at least one material selected from the group consisting of YSZ claim 9 , SrZrO claim 9 , and SrTiO-doped zirconia. The present application is a divisional of U.S. patent application Ser. No. 15/348,403, entitled FUEL CELL SYSTEM WITH INTERCONNECT, filed Nov. 10, 2016, which is a continuation of U.S. patent application Ser. No. 13/843,422, entitled FUEL CELL SYSTEM WITH INTERCONNECT, filed on Mar. 15, 2013, now issued as U.S. Pat. No. 9,525,181, which is a continuation-in-part ...

COMPOSITION FOR FUEL CELL ELECTRODE

In some examples, a fuel cell comprising an anode; an electrolyte; cathode barrier layer; and a nickelate composite cathode separated from the electrolyte by the cathode barrier layer; and a cathode current collector layer. The nickelate composite cathode includes a nickelate compound and an ionic conductive material, and the nickelate compound comprises at least one of PrNiO, NdNiO, (PrNd)NiO, (PrNd)NiO, (PrNd)NiO, or (PrNdM)NiO, where M is an alkaline earth metal doped on an A—site of Pr and Nd. The ionic conductive material comprises a first co-doped ceria with a general formula of (AB)CeO, where A and B of the first co-doped ceria are rare earth metals. The cathode barrier layer comprises a second co-doped ceria with a general formula (AB)CeO, where at least one of A or B of the second co-doped ceria is Pr or Nd. 1. A fuel cell comprising:an anode;an electrolyte;cathode barrier layer; anda nickelate composite cathode separated from the electrolyte by the cathode barrier layer; anda cathode current collector layer,wherein the nickelate composite cathode includes a nickelate compound and an ionic conductive material, [{'sub': 2', '4, 'PrNiO,'}, {'sub': 2', '4, 'NdNiO,'}, {'sub': u', 'v', '2', '4, '(PrNd)NiO,'}, {'sub': u', 'v', '3', '2', '7, '(PrAd)NiO,'}, {'sub': u', 'v', '4', '3', '10, '(PrNd)NiO, or'}, {'sub': u', 'v', '2', '4, '(PrNdMw)NiO, where M is an alkaline earth metal doped on an A—site of Pr and Nd,'}], 'wherein the nickelate compound comprises at least one of{'sub': x', 'y', '1-x-y', '2, 'wherein the ionic conductive material comprises a first co-doped ceria with a general formula of (AB)CeO, where A and B of the first co-doped ceria are rare earth metals,'}{'sub': x', 'y', '1-x-y', '2, 'wherein cathode barrier layer comprises a second co-doped ceria with a general formula (AB)CeO, where at least one of A or B of the second co-doped ceria is Pr or Nd, and'}wherein the anode, cathode barrier layer, nickelate composite cathode, cathode current collector ...

FUEL CELL SECONDARY INTERCONNECT

In accordance with some embodiments of the present disclosure, a fuel cell system is provided. The fuel cell system may comprise a plurality of stacked fuel cell tubes and a secondary interconnect. Each tube may comprise a substrate, a plurality of fuel cells, a first sheet conductor, and a second sheet conductor. The substrate may have a pair of opposing major surfaces and define a plurality of parallel channels between the major surfaces extending from a first end to a second end of said tube. The plurality of fuel cells may be disposed on one of said major surfaces, the fuel cells being electrically coupled in series to one another. The first sheet conductor may be located proximate the first end of the tube, the first sheet conductor providing an electrical path from a location on one of the major surfaces to a location on the other of the major surfaces. The second sheet conductor may be located proximate the second end of the tube, the second sheet conductor providing an electrical path from a location on one of the major surfaces to a location on the other of the major surfaces. The secondary interconnect may electrically couple the first sheet conductors on adjacent fuel cell tubes thereby electrically coupling the fuel cells disposed on one fuel cell tube to the fuel cells disposed on an adjacent fuel cell tube. 1. A fuel cell system comprising: a substrate having a pair of opposing major surfaces and defining a plurality of parallel channels between said major surfaces extending from a first end to a second end of said tube;', 'a plurality of fuel cells disposed on one of said major surfaces, said fuel cells being electrically coupled in series;', 'a first sheet conductor proximate the first end of said tube, said first sheet conductor providing an electrical path from a location on one of said major surfaces to a location on the other of said major surfaces; and', 'a second sheet conductor proximate the second end of said tube, said second sheet conductor ...

Fuel cell secondary interconnect

A fuel cell system is provided. The fuel cell system may be a segmented-in-series, solid-oxide fuel cell system. The fuel cell system may comprise a first and second fuel cell tube and a secondary interconnect. Each of the fuel cell tubes may comprise a substrate having a first and second end and a pair of generally planar opposing major surfaces extending between the ends, a plurality of fuel cells disposed on one of said major surfaces, wherein the fuel cells are electrically coupled in series, a first sheet conductor providing an electrical path from a location on one of the major surfaces to a location on the other of the major surfaces proximate the first end of the substrate, the first sheet conductor being electrically coupled to said plurality of fuel cells, and a second sheet conductor providing an electrical path from a location on one of the major surfaces to a location on the other of the major surfaces proximate the second end of said substrate, the second sheet conductor being electrically coupled to said plurality of fuel cells. The secondary interconnect may provide an electrical path between the first and second fuel cell tubes. The first fuel cell tube may be positioned with a major surface thereof being spaced from and parallel to a major surface of the second fuel cell tube, the secondary interconnect being electrically coupled to said first sheet conductor of each of said first and second fuel cell tubes.

SECONDARY INTERCONNECT FOR FUEL CELL SYSTEMS

A fuel cell system is provided. The fuel cell system may be a segmented-in-series, solid-oxide fuel cell system. The system may comprise a fuel cell tube and a secondary interconnect. The fuel cell tube may comprise a substrate, a fuel channel, a first and second electrochemical active fuel cell, a primary interconnect, and an electrochemically inactive cell. The substrate may have a major surface. The fuel channel may be separated from the major surface by the substrate. The first and second electrochemically active fuel cells may be disposed on the major surface, and may comprise and anode, a cathode, and an electrolyte disposed between the anode and the cathode. The primary interconnect may electrically couple the anode of the first electrochemically active fuel cell to the cathode of a second electrochemically active fuel cell. The electrochemically inactive fuel cell may be disposed on the major surface and comprise a conductive layer electrically coupled to the second electrochemically active fuel cell. The secondary interconnect may be coupled to the conductive layer of the electrochemically inactive cell. The electrochemically inactive cell is configured to inhibit the migration of hydrogen from said fuel channel to the secondary interconnect. 1. A segmented-in-series solid oxide fuel cell system comprising: a substrate having a major surface;', 'a fuel channel separated from said major surface by said substrate;', an anode;', 'a cathode; and', 'an electrolyte disposed between said anode and said cathode;, 'a first and second electrochemically active fuel cells disposed on said major surface, each of said electrochemically active fuel cells comprising, 'a primary interconnect electrically coupling the anode of said first electrochemically active fuel cell to the cathode of said second electrochemically active fuel cell;', 'an electrochemically inactive cell disposed on said major surface, said electrochemically inactive cell comprising a conductive layer ...

FUEL CELL SYSTEM CONFIGURED TO CAPTURE CHROMIUM

In some examples, a fuel cell comprising a cathode, a cathode conductor layer adjacent the cathode, an electrolyte separated from the cathode conductor layer by the cathode, and an anode separated from the cathode by the electrolyte, wherein the anode, cathode conductor layer, cathode, and electrolyte are configured to form an electrochemical cell, and wherein at least one of cathode or the cathode conductor layer includes an exsolute oxide configured to capture Cr vapor species present in the fuel cell system. 1. A fuel cell system comprising:a cathode;a cathode conductor layer adjacent the cathode;an electrolyte separated from the cathode conductor layer by the cathode; andan anode separated from the cathode by the electrolyte, wherein the anode, cathode conductor layer, cathode, and electrolyte are configured to form an electrochemical cell, and wherein at least one of the cathode or the cathode conductor layer includes an exsolute oxide configured to capture Cr vapor species present in the fuel cell system.2. The fuel cell system of claim 1 , wherein the cathode conductor layer is formed from an LSM material having A-site deficiencies claim 1 , wherein the exsolute oxide comprises a manganese oxide exsolution resulting from equilibrium concentration of the LSM while the fuel cell operates.3. The fuel cell system of claim 1 , wherein the exsolute oxide captures Cr vapor species from a cathode gas stream by reacting with the Cr vapor species.4. The fuel cell system of claim 1 , wherein the exsolute oxide comprises a manganese oxide.5. The fuel cell system of claim 1 , wherein the cathode conductor layer includes an additional material other than that of the exsolute oxide that is also configured to also capture the Cr vapor species present in the fuel cell system.6. The fuel cell system of claim 5 , wherein the additional material comprises an alkaline earth oxide.7. The fuel cell system of claim 1 , wherein the cathode conductor layer functions as a primary ...

FUEL CELL SYSTEM INCLUDING MULTILAYER INTERCONNECT

In some examples, a fuel cell comprising a first electrochemical cell including a first anode and a first cathode; a second electrochemical cell including a second anode and a second cathode; and an interconnect configured to conduct a flow of electrons from the first anode to the second cathode, wherein the interconnect comprises a first portion and a second portion, wherein the first portion is closer to the anode than the second portion, and the second portion is closer to the cathode than the first portion, wherein the first portion comprises one or more of doped ceria, doped lanthanum chromite, and doped yttrium chromite, and wherein the second portion comprises one or more of a Co—Mn spinel and a ABOperovskite. 1. A fuel cell comprising:a first electrochemical cell including a first anode and a first cathode;a second electrochemical cell including a second anode and a second cathode; andan interconnect configured to conduct a flow of electrons from the first anode to the second cathode, wherein the interconnect comprises a first portion and a second portion, wherein the first portion is closer to the anode than the second portion, and the second portion is closer to the cathode than the first portion,wherein the first portion comprises one or more of doped ceria, doped lanthanum chromite, and doped yttrium chromite, and{'sub': '3', 'wherein the second portion comprises one or more of a Co—Mn spinel and a ABOperovskite.'}2. The fuel cell of claim 1 , wherein the first portion comprises doped ceria having the chemical formula (RCe)O claim 1 , where R is a rare earth metal claim 1 , 0 Подробнее

COMPOSITION FOR ANODE IN FUEL CELL

In some examples, a fuel cell comprising a cathode; an electrolyte; and an anode separated from the cathode by the electrolyte. The active, as-reduced anode includes Ni, La, Sr, Mn, and O, where the reduced anode includes a Ni phase constitution and a (LaSr)MnOcompound having a Mn-based Ruddlesden-Popper (R-P) phase constitution, wherein n is greater than zero, and wherein the anode, cathode, and electrolyte are configured to form an electrochemical cell. 1. A fuel cell comprising:a cathode;an electrolyte; and{'sub': 1-x', 'x', 'n+1', 'n', '3n+1, 'a reduced anode separated from the cathode by the electrolyte, wherein the reduced anode includes a Ni phase constitution and a (LaSr)MnOcompound having a Mn-based Ruddlesden-Popper (R-P) phase constitution, wherein n is equal to or greater than one, and wherein the anode, cathode, and electrolyte are configured to form an electrochemical cell.'}2. The fuel cell of claim 1 , wherein the Ni phase constitution and the (LaSr)MnOcompound having a Mn-based R-P phase constitution claim 1 , of n greater than or equal to 1 claim 1 , is formed via a reduction of a Mn and Ni mixed B-site compound having a pervoskite structure or Ruddlesden-Popper compound that is present following an initial anode processing step.3. The fuel cell of claim 2 , wherein the Mn and Ni mixed B-site compound comprises a (LaSr)(MnNi)Ocompound.4. The fuel cell of claim 3 , wherein additional A-site and B-site dopants are included claim 3 , wherein the A-site dopants include one or more of Pr and Ca and the B-site dopants include one or more of Cu claim 3 , Co claim 3 , Zn claim 3 , Fe and Ti.5. The fuel cell of claim 3 , wherein the mole fraction (1-x) of Mn on the B-site is approximately 0.5 or greater.6. The fuel cell of claim 2 , wherein the Mn and Ni mixed B-site compound comprises a (LaSr)(NiMn)ORuddlesden-Popper compound.7. The fuel cell of claim 1 , wherein the reduced anode includes between approximately 82 and approximately 95 wt % of the (LaSr) ...

FUEL CELL TUBE WITH LATERALLY SEGMENTED FUEL CELLS

Various embodiments of the present disclosure provide a fuel cell tube including one or more laterally segmented fuel cells each including multiple fuel cell portions that are electrically isolated from one another. When assembled into a fuel cell stack, secondary interconnects electrically connect adjacent fuel cell tubes via their respective laterally segmented fuel cells. The use of laterally segmented fuel cells to effect the fuel cell tube-to-fuel cell tube electrical connection enables more accurate testing of the electrical connection between adjacent fuel cell tubes. 1. A segmented-in-series solid-oxide fuel cell system comprising: a substrate having a first end and an opposing second end, a first major surface extending between the first and second ends, and a second opposing major surface extending between the first and second ends; and', 'a plurality of fuel cells disposed on the first major surface, each fuel cell extending laterally across the first major surface and being positioned between the first and second ends, wherein a first selected one of the plurality of fuel cells is laterally segmented so that a first lateral end of the first selected fuel cell is electrically isolated from a second lateral end of the first selected fuel cell;, 'a first fuel cell tube comprising a substrate having a first end and an opposing second end, a first major surface extending between the first and second ends, and a second opposing major surface extending between the first and second ends; and', 'a plurality of fuel cells disposed on the first major surface, each fuel cell extending laterally across the first major surface and being positioned between the first and second ends, wherein a first one of the plurality of fuel cells is laterally segmented so that a first lateral end of the first selected fuel cell is electrically isolated from a second lateral end of the first selected fuel cell;, 'a second fuel cell tube comprisinga first secondary interconnect ...

FUEL CELL TUBE WITH LATERALLY SEGMENTED FUEL CELLS

Various embodiments of the present disclosure provide a fuel cell tube including one or more laterally segmented fuel cells each including multiple fuel cell portions that are electrically isolated from one another. When assembled into a fuel cell stack, tube interconnects electrically connect adjacent fuel cell tubes via their respective laterally segmented fuel cells. The use of laterally segmented fuel cells to effect the fuel cell tube-to-fuel cell tube electrical connection enables more accurate testing of the electrical connection between adjacent fuel cell tubes. 1. A segmented-in-series solid-oxide fuel cell system comprising: a substrate having a first end and an opposing second end, a first major surface extending between the first and second ends, and a second opposing major surface extending between the first and second ends; and', 'a plurality of fuel cells disposed on the first major surface, each fuel cell extending laterally across the first major surface and being positioned between the first and second ends, wherein a first selected one of the plurality of fuel cells on said first major surface proximate said first end is laterally segmented so that a first lateral end of the first selected fuel cell is electrically isolated from a second lateral end of the first selected fuel cell; and', 'wherein an interior selected one of the plurality of fuel cells is a fuel cell adjacent said first selected fuel cell;', 'wherein said interior selected one of the plurality of fuel cells is laterally segmented so that a first lateral end of the interior selected fuel cell is electrically isolated from a second lateral end of the interior selected fuel cell;, 'a first fuel cell tube comprising a substrate having a first end and an opposing second end, a first major surface extending between the first and second ends, and a second opposing major surface extending between the first and second ends; and', 'a plurality of fuel cells disposed on the first major ...

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. 1. A fuel cell system , comprising:a substrate;a ceramic seal disposed on said substrate;an electrode conductive layer disposed on said substrate;a first electrode of a first electrochemical cell, wherein said first electrode is disposed on said electrode conductive layer;a second electrode of a second electrochemical cell;an electrolyte having a portion spaced apart from said ceramic seal by a gap; andan interconnect having a conductor disposed within said gap between said ceramic seal and said portion of said electrolyte, wherein said interconnect is operative to conduct free electrons between said first electrode and said second electrode.2. The fuel cell system of claim 1 , wherein said electrode conductive layer abuts said ceramic seal.3. The fuel cell system of claim 1 , wherein said interconnect defines a diffusion flow orifice structured to limit diffusion of a reactant through said interconnect.4. The fuel cell system of claim 1 , wherein said conductor is formed of at least one of a precious metal and a precious metal alloy selected from the group consisting of Ag claim 1 , Au claim 1 , Pd claim 1 , Pt claim 1 , Ag—Pd claim 1 , Ag—Au claim 1 , Ag—Pt claim 1 , Au—Pd claim 1 , Au—Pt claim 1 , Pt—Pd claim 1 , Ag—Au—Pd claim 1 , Ag—Au—Pt claim 1 , and Ag—Au—Pd—Pt.5. The fuel cell system of claim 1 , wherein said conductor is formed of at least one of a precious metal cermet and a precious metal alloy cermet claim 1 , ...

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. 1. A fuel cell system , comprising:a cathode of a first electrochemical cell;an electrolyte;an anode of a second electrochemical cell spaced apart from said cathode by said electrolyte;a cathode conductive layer adjoining said cathode; andan interconnect configured to conduct free electrons between said anode and said cathode, wherein said interconnect adjoins both said cathode conductive layer and said electrolyte; and wherein said interconnect is formed of a cermet compound having at least one non-ionic conducting ceramic phase.2. The fuel cell system of claim 1 , wherein the cermet compound includes yttria stabilized zirconia.3. The fuel cell system of claim 1 , wherein the at least one non-ionic conducting ceramic phase of the cermet compound includes pyrochlore powder.4. The fuel cell system of claim 1 , wherein the cermet compound non-ionic conducting ceramic phase includes pyrochlore.5. The fuel cell system of claim 1 , wherein the cermet compound non-ionic conducting ceramic phase includes at least one of SrZrO claim 1 , MgAlOspinel claim 1 , NiAlOspinel and alumina.6. The fuel cell system of claim 1 , wherein the cermet compound metal phase is Ni or a Ni alloy.7. The fuel cell system of claim 1 , wherein the cermet compound metal phase is a precious metal or a precious metal alloy.8. The fuel cell system of claim 1 , wherein said interconnect includes a portion embedded within said electrolyte.9. The fuel cell ...

FUEL CELL SYSTEM INCLUDING DENSE OXYGEN BARRIER LAYER

In some examples, a fuel cell including a first electrochemical cell; a second electrochemical cell; an interconnect configured to conduct a flow of electrons from the first electrochemical cell to the second electrochemical cell; and a dense oxygen barrier layer separating the interconnect from one of a cathode or a cathode conductor layer adjacent the cathode, wherein the dense barrier layer is formed of a ceramic material exhibiting a low porosity and a high conductivity such that the dense oxygen barrier layer reduces at least one precious metal loss from the interconnect or oxidation of nickel metal in the interconnect. 1. A fuel cell comprising:a first electrochemical cell;a second electrochemical cell;an interconnect configured to conduct a flow of electrons from the first electrochemical cell to the second electrochemical cell; anda dense oxygen barrier layer separating the interconnect from one of a cathode or a cathode conductor layer adjacent the cathode, wherein the dense barrier layer is formed of a ceramic material exhibiting a low porosity and a high conductivity such that the dense oxygen barrier layer reduces at least one precious metal loss from the interconnect or oxidation of nickel metal in the interconnect.2. The fuel cell of claim 1 , wherein the low porosity of the dense oxygen barrier layer prevents diffusion of oxygen into the interconnect from the one of a cathode or a cathode conductor layer.3. The fuel cell of claim 1 , wherein the dense oxygen barrier layer separates the interconnect from an air environment claim 1 , wherein the low porosity of the dense oxygen barrier layer prevents diffusion of oxygen into the interconnect from the air environment.4. The fuel cell of claim 3 , wherein the high conductivity and low porosity increases contact of the dense oxygen barrier layer with the interconnect to allow transport of electrons from the interconnect to the one of the cathode or the cathode conductor layer with lower area specific ...

FUEL CELL SYSTEM WITH INTERCONNECT

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. 1. A fuel cell system , comprising:an electrolyte;a first electrochemical cell having a first anode, and a first cathode spaced apart in a first direction from said first anode by said electrolyte, said electrolyte being structured to pass oxygen ions in the first direction from said first cathode to said first anode;a second electrochemical cell having a second anode, a second cathode spaced apart in the first direction from said second anode by said electrolyte, said electrolyte being structured to pass oxygen ions in the first direction from said second cathode to said second anode; andan interconnect structured to conduct a flow of electrons from said first anode to said second cathode, said interconnect including a blind primary conductor disposed in said electrolyte and configured to conduct the flow of electrons in a second direction different from the first direction.2. The fuel cell system of claim 1 , wherein the second direction is substantially perpendicular to the first direction.3. The fuel cell system of claim 2 , wherein said second anode is spaced apart from said first anode in a third direction substantially perpendicular to the first direction claim 2 , wherein second direction is also substantially perpendicular to said third direction.4. The fuel cell system of claim 1 , wherein said interconnect further includes:a first blind auxiliary conductor structured to conduct electrical power between said ...

REDOX TOLERANT ANODE COMPOSITIONS FOR FUEL CELLS

In accordance with some embodiments of the present disclosure, a method of changing the porosity of the anode is presented. The anode is formed from a composition comprising nickel oxide, a doped ceria, and a stabilized zirconia wherein the weight percentage of the nickel oxide is greater than twenty-five percent. The anode may comprise a single or multiple layers, and may comprise at least one of gadolinia doped ceria (GDC), samaria doped ceria (SDC), or lanthania doped ceria (LDC); and at least one of Yttria stabilized zirconia (YSZ) or scandia stabilized zirconia (ScSZ). The anode may comprise multiple layers. Each layer may comprise a composition having the general formula NiO-(doped ceria)wherein x and y are weight percentages of the composition, and wherein 25 Подробнее

INTEGRATED PLANAR CELL PATTERN TERMINATION FOR SUBSTRATE TUBE INTERCONNECTION

A fuel cell tube comprises a substrate having a tube interconnect region and a fuel cell region, a plurality of fuel cells disposed on the fuel cell region, and a plurality of primary interconnects formed from an electrically conducting primary interconnect material forming electrically conducting paths between adjacent fuel cells to thereby electrically connect the fuel cells in series. The primary interconnect material extends from the fuel cell region into the tube interconnect region forming an electrically conducting path between the tube interconnect region and the plurality of fuel cells. 1. A fuel cell tube comprising a substrate having a tube interconnect region and a fuel cell region , a plurality of fuel cells disposed on the fuel cell region , and a plurality of primary interconnects formed from an electrically conducting primary interconnect material forming electrically conducting paths between adjacent fuel cells to thereby electrically connect the fuel cells in series ,wherein the primary interconnect material extends from the fuel cell region into the tube interconnect region forming an electrically conducting path between the tube interconnect region and the plurality of fuel cells.2. The fuel cell tube of comprising a first tube interconnect region at a first longitudinal end of the substrate and a second tube interconnect region at a second longitudinal end of the substrate and the fuel cell region extending between the first and second tube interconnect regions claim 1 , wherein the primary interconnect material extends into the first tube interconnect region forming an electrically conducting path between the first tube interconnect region and the plurality of fuel cells.3. The fuel cell tube of wherein the primary interconnect material extends into the second tube interconnect region forming an electrically conducting path between the second tube interconnect region and the plurality of fuel cells.4. The fuel cell tube of wherein a portion of ...

Fuel cell system with interconnect

The present invention includes an integrated planar, series connected fuel cell system having electrochemical cells electrically connected via interconnects, wherein the anodes of the electrochemical cells are protected against Ni loss and migration via an engineered porous anode barrier layer.

Fuel cell system configured to capture chromium

In some examples, a fuel cell comprising a cathode, a cathode conductor layer adjacent the cathode, an electrolyte separated from the cathode conductor layer by the cathode, and an anode separated from the cathode by the electrolyte, wherein the anode, cathode conductor layer, cathode, and electrolyte are configured to form an electrochemical cell, and wherein at least one of cathode or the cathode conductor layer includes an exsolute oxide configured to capture Cr vapor species present in the fuel cell system.

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Fuel cell system including dense oxygen barrier layer

In some examples, a fuel cell including a first electrochemical cell; a second electrochemical cell; an interconnect configured to conduct a flow of electrons from a the first electrochemical cell to the second electrochemical cell; and a dense oxygen barrier layer separating the interconnect from one of a cathode or a cathode conductor layer adjacent the cathode, wherein the dense barrier layer is formed of a ceramic material exhibiting a low porosity and a high conductivity such that the dense oxygen barrier layer reduces at least one precious metal loss from the interconnect or oxidation of nickel metal in the interconnect.

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

FUEL CELL SYSTEM WITH CONNECTION

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Fuel cell system including multilayer interconnect

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Fuel cell system with interconnect

The present invention generally relates to fuel cells and, in particular, to an interconnect for a fuel cell.

Fuel cell system including multilayer interconnect

In some examples, a fuel cell comprising a first electrochemical cell including a first anode and a first cathode; a second electrochemical cell including a second anode and a second cathode; and an interconnect configured to conduct a flow of electrons from the first anode to the second cathode, wherein the interconnect comprises a first portion and a second portion, wherein the first portion is closer to the anode than the second portion, and the second portion is closer to the cathode than the first portion, wherein the first portion comprises one or more of doped ceria, doped lanthanum chromite, and doped yttrium chromite, and wherein the second portion comprises one or more of a Co-Mn spinel and a ABO3 perovskite.

Information generating method and apparatus applicable to terminal device

【課題】電子スクリーンの前にいるユーザ向けにリアルタイムにカスタマイズされる情報生成方法および装置を提供する。【解決手段】情報生成方法は、ターゲットカメラによって取得されたビデオフレーム画像をリアルタイムに取得するステップ２０１と、取得されたビデオフレーム画像を処理対象画像として記憶するステップ２０２と、処理対象画像を事前訓練されたユーザ属性認識モデルに入力して、処理対象画像に含まれるユーザ画像に対応するユーザのユーザ属性情報を取得するステップ２０３とを備える。【選択図】図２

Fuel cell system with interconnect

Composition for fuel cell electrode

In some examples, a fuel cell including an anode; electrolyte; and cathode separated from the anode by the electrolyte, wherein the cathode includes a Pr-nickelate based material with (Pr1-xAx)n+1(Ni1-yBy)nO3n+1+d as a general formula, where n is 1 as an integer, A is an A-site dopant including of a metal of a group formed by one or more lanthanides, and B is a B-site dopant including of a metal of a group formed by one or more transition metals, wherein the A and B-site dopants are provided such that there is an increase in phase-stability and reduction in degradation of the Pr-nickelate based material, and A is at least one metal cation of lanthanides, La, Nd, Sm, or Gd, B is at least one metal cation of transition metals, Cu, Co, Mn, Zn, or Cr, where: 0<x<1, and 0<y=0.4.

Fuel cell system with interconnect

The present invention includes a fuel cell system (1510) having an interconnect (1516) that reduces or eliminates diffusion (leakage) of fuel and oxidant by providing an increased densification, by forming the interconnect as a ceramic/metal composite.

Fuel cell system with interconnect

Abstract The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. 9657162_2

Composition for anode in fuel cell

Composition of a nickelate composite cathode for a fuel cell

In some embodiments, a solid oxide fuel cell comprising an anode, an electrolyte, cathode barrier layer, a nickelate composite cathode separated from the electrolyte by the cathode barrier layer, and a cathode current collector layer is provided. The nickelate composite cathode includes a nickelate compound and second oxide material, which may be an ion conductor. The composite may further comprise a third oxide material. The composite may have the general formula (Ln u M1 v M2 s ) n+1 (Ni 1-t N t ) n O 3n+1 - Α 1-x Β x Ο y - C w D z Ce (1-w-z) O 2-δ , wherein A and B may be rare earth metals excluding ceria.

Composition of a nickelate composite cathode for a fuel cell

In some embodiments, a solid oxide fuel cell comprising an anode, an electrolyte, cathode barrier layer, a nickelate composite cathode separated from the electrolyte by the cathode barrier layer, and a cathode current collector layer is provided. The nickelate composite cathode includes a nickelate compound and second oxide material, which may be an ion conductor. The composite may further comprise a third oxide material. The composite may have the general formula (Ln u Ml v M2 s ) n+1 (Ni 1-t N t ) n O 3n+1 - A 1-x B x O y - C w D z Ce (1-w-z) 0 2- δ , wherein A and B may be rare earth metals excluding ceria.

Composition for fuel cell electrode

In some examples, a fuel cell including an electrolyte; cathode barrier layer; and a nickelate composite cathode separated from the electrolyte by the cathode barrier layer. The nickelate composite cathode includes a nickelate compound and an ionic conductive material. The nickelate compound comprises at least one of Pr 2 NiO 4 , Nd 2 NiO 4 , (Pr u Nd v ) 2 NiO 4 , (Pr u Nd v ) 3 Ni 2 O 7 , (Pr u Nd v ) 4 Ni 3 O 10 , or (Pr u Nd v M w ) 2 NiO 4 , where M is an alkaline earth metal doped on an A - site of Pr and Nd. The ionic conductive material comprises a first co-doped ceria with a general formula of (A x B y )Ce 1-x-y O 2 , where A and B of the first co-doped ceria are rare earth metals. The cathode barrier layer comprises a second co-doped ceria with a general formula (A x B y )Ce 1-x-y O 2 , where at least one of A or B of the second co-doped ceria is Pr or Nd.

Composición para ánodo en celda de combustible

Una celda de combustible que comprende: un cátodo; un electrolito; y un ánodo reducido separado del cátodo por el electrolito, en el que el ánodo reducido incluye una constitución de fase de metal de Ni dispersa en un compuesto (La1-xSrx)n+1MnnO3n+1 que tiene una constitución de fase de Ruddlesden- Popper (R-P) a base de Mn, en la que n es igual a o mayor de uno, y en la que el ánodo, cátodo, y electrolito se configuran para forma una celda electroquímica.

COMPOSITION FOR ANODE IN FUEL CELLS

Secondary interconnect for fuel cell systems

A segmented-in-series solid-oxide fuel cell system 10 comprises a tubular substrate 14a and a secondary interconnect 34a-b. The substrate defines a fuel channel 70, and carries on its surface(s) first and second electrochemically active fuel cells, a primary interconnect 16a connecting the fuel cells via their anode 22a and cathode 30a layers, and an electrochemically inactive cell. The electrochemically inactive fuel cell comprises a conductive layer 30a electrically coupled to the second electrochemically active fuel cell, e.g. via a primary interconnect 16a. The secondary interconnect 34a-b is coupled to the conductive layer of the electrochemically inactive cell, and may connect fuel cells located on opposed surfaces of the tubular substrate 14a or fuel cells on different tubular substrates. The electrochemically inactive cell is configured to inhibit the migration of hydrogen from the fuel channel to the secondary interconnect, and may comprise a dense barrier 32a and/or an electrolyte layer 26a. Preferably the conductive layer 30a of the electrochemically inactive (e.g. dummy) cell is electrically coupled to the anode 22a of the second fuel cell. The electrochemically inactive cell may also include a second conductive layer 40a, disposed between a conductive paste 36a-b within which the secondary interconnect is embedded.

Verbesserter Sekundärinterkonnektor für Brennstoffzellen

Gemäß einigen Ausführungsformen der Offenbarung wird ein Brennstoffzellensystem bereitgestellt. Das Brennstoffzellensystem kann mehrere gestapelte Brennstoffzellenrohre und einen Sekundärinterkonnektor aufweisen. Jedes Rohr kann ein Substrat, mehrere Brennstoffzellen, einen ersten Bahnleiter und einen zweiten Bahnleiter aufweisen. Das Substrat kann ein Paar gegenüberliegende Hauptflächen haben und mehrere parallele Kanäle zwischen den Hauptflächen bilden, die sich von einem ersten Ende zu einem zweiten Ende des Rohrs erstrecken. Die mehreren Brennstoffzellen können auf einer der Hauptflächen angeordnet sein, wobei die Brennstoffzellen miteinander in Reihe elektrisch gekoppelt sind. Der erste Bahnleiter kann nahe dem ersten Ende des Rohrs liegen, wobei der erste Bahnleiter einen elektrischen Weg von einer Stelle auf einer der Hauptflächen zu einer Stelle auf der anderen der Hauptflächen bildet. Der zweite Bahnleiter kann nahe dem zweiten Ende des Rohrs liegen, wobei der zweite Bahnleiter einen elektrischen Weg von einer Stelle auf einer der Hauptflächen zu einer Stelle auf der anderen der Hauptflächen bildet. Der Sekundärinterkonnektor kann die ersten Bahnleiter auf benachbarten Brennstoffzellenrohren elektrisch koppeln, wodurch er die auf einem Brennstoffzellenrohr angeordneten Brennstoffzellen mit den auf einem benachbarten Brennstoffzellenrohr angeordneten Brennstoffzellen elektrisch koppelt.

改善された燃料電池二次相互接続

【課題】燃料電池チューブ内及び燃料電池チューブ間を電気接続した燃料電池システムを提供する。 【解決手段】燃料電池チューブ８３０ａ、８３０ｂは、内部に通路８４２を有するセラミック基材８２０の一対の対向する主表面８５２、８５４上に配置され、電気的に直列に接続された複数の燃料電池セルと、燃料電池チューブの一方の端部に近接し、一方の主表面８５２から他方の主表面８５４へ電気的経路を付与する第１シート導体８３４と、燃料電池チューブの他方の端部に近接し、一方の主表面８５４から他方の主表面８５２へ電気的経路を付与する第２シート導体とを備えてなり、隣接する燃料電池チューブの第１シート導体８３４に電気的に結合され、それにより、燃料電池チューブ８３０ａに配置された前記燃料電池を、隣接する燃料電池チューブ８３０ｂに配置された前記燃料電池に電気的に結合する二次相互接続８０４を有する、燃料電池システム。 【選択図】図８

Sealing structure for stack tower and stack tower

The present invention relates to the field of fuel cell stacks and stack tower or module, in particular to a sealing structure for stack tower and a stack tower. The sealing structure comprises a first component, a second component and a mica spacer, the first component and the second component are opposite to each other, the mica spacer is disposed between the first component and the second component, sealing part is arranged between the mica spacer and at least one of the first component and the second component, and the sealing part comprises a glass ceramic layer and an outer circumferential ceramic cement ring surrounding the glass cement layer; the sealing structure for stack tower has excellent sealing performance and service durability for a fuel cell system.

抗炎症作用を有する硫酸化オリゴ糖

【課題】抗炎症作用を有する化合物を提供する。【解決手段】抗炎症特性を有する小分子化合物であって、前記小分子化合物は、非抗凝固性ヘパラン硫酸オリゴ糖分子を含み、任意に、前記非抗凝固性ヘパラン硫酸オリゴ糖分子は、高移動度群ボックス１（ＨＭＧＢ１）タンパク質と終末糖化産物の受容体（ＲＡＧＥ）との間の相互作用に十分に影響を与えるように、前記ＨＭＧＢ１タンパク質と相互作用するように構成されている、小分子化合物である。【選択図】図１Ａ

Fuel cell system with interconnect

In some examples, a fuel cell comprising a first electrochemical cell including a first anode and a first cathode; a second electrochemical cell including a second anode and a second cathode; an interconnect configured to conduct a flow of electrons from the first anode to the second cathode; and a chemical barrier. The chemical barrier may be configured to prevent or reduce material migration between the interconnect and at least one component (e.g., an anode) in electrical communication with the interconnect, where the chemical barrier includes doped strontium titanate exhibiting a perovskite structure. The chemical barrier includes an A site, wherein the A site which is doped with one of La, Y, Ce, Pr, Nd, Sm, Gd, Dy, Ho and Er, and a B site which can b doped with one of Nb, Co, Cu, Mn, Ni, V, Fe, Ga, and Al.

Fuel cell system with interconnect

The present invention includes a fuel cell system (1510) having an interconnect (1516) that reduces or eliminates diffusion (leakage) of fuel and oxidant by providing an increased densification, by forming the interconnect as a ceramic/metal composite.

Regeneration of fuel cell electrodes

A method of operating a fuel cell system is provided. The fuel cell system may comprise one or more solid oxide fuel cells. One or more of the fuel cells may be operated in a fuel cell mode under an average current density of 100 to 1000 mA/cm2 for a period of at least five hundred hours. The method may further comprise operating at least one of the fuel cells in an electrolyzer mode under an average current density from 100 to 1500 mA/cm2, which may be applied for at least one hour. The ratio of the average current density in the electrolyzer mode to the average current density in the fuel cell mode may be at least one but no more than two and one-half.

Sekundärinterkonnektor für Brennstoffzellensysteme

Bereitgestellt wird ein Brennstoffzellensystem. Das Brennstoffzellensystem kann ein reihensegmentiertes Festoxid-Brennstoffzellensystem sein. Das System kann ein Brennstoffzellenrohr und einen Sekundärinterkonnektor aufweisen. Das Brennstoffzellenrohr kann ein Substrat, einen Brennstoffkanal, eine erste und eine zweite elektrochemische aktive Brennstoffzelle, einen Primärinterkonnektor und eine elektrochemisch inaktive Zelle aufweisen. Das Substrat kann eine Hauptfläche haben. Der Brennstoffkanal kann von der Hauptfläche durch das Substrat getrennt sein. Die erste und zweite elektrochemisch aktive Brennstoffzelle können auf der Hauptfläche angeordnet sein und können eine Anode, eine Kathode und einen zwischen der Anode und der Kathode angeordneten Elektrolyt aufweisen. Der Primärinterkonnektor kann die Anode der ersten elektrochemisch aktiven Brennstoffzelle mit der Kathode einer zweiten elektrochemisch aktiven Brennstoffzelle elektrisch koppeln. Die elektrochemisch inaktive Brennstoffzelle kann auf der Hauptfläche angeordnet sein und eine Leitschicht aufweisen, die mit der zweiten elektrochemisch aktiven Brennstoffzelle elektrisch gekoppelt ist. Der Sekundärinterkonnektor kann mit der Leitschicht der elektrochemisch inaktiven Zelle gekoppelt sein. Die elektrochemisch inaktive Zelle ist so konfiguriert, dass sie die Migration von Wasserstoff vom Brennstoffkanal zum Sekundärinterkonnektor unterbindet.

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Fuel cell system with interconnect

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

Fuel cell system with interconnect

The present invention includes an integrated planar, series connected fuel cell system having electrochemical cells electrically connected via interconnects, wherein the anodes of the electrochemical cells are protected against Ni loss and migration via an engineered porous anode barrier layer.