Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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 (LnuM1vM2s)n+1(Ni1-tNt)nO3n+1-A1-xBxOy—CwDzCe(1-w-z)O2-?, wherein A and B may be rare earth metals excluding ceria.

Abstract: 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 (LnuM1vM2s)n+1(Ni1-tNt)nO3n+1-A1-xBxOy-CwDzCe(1-w-z)O2-?, wherein A and B may be rare earth metals excluding ceria.

Abstract: 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 Pr2NiO4, Nd2NiO4, (PruNdv)2NiO4, (PruNdv)3Ni2O7, (PruNdv)4Ni3O10, or (PruNdvMw)2NiO4, 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 (AxBy)Ce1?x?yO2, 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 (AxBy)Ce1?x?yO2, where at least one of A or B of the second co-doped ceria is Pr or Nd.

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.

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.

Abstract: 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.

Abstract: 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.

Abstract: 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+? 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.

Abstract: 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.

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.