Abstract: A fuel cell system includes a plurality of fuel cell stacks, and one or more devices which in operation of the system provide an azimuthal direction to one or more anode or cathode feed or exhaust fluid flows in the system.

Abstract: Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.

Abstract: A fuel cell stack module includes a plurality of fuel cell stacks, a base supporting the plurality of fuel cell stacks, and a metal shell located over the base and the fuel cell stacks. The metal shell contains an integrated heat exchanger.

Abstract: A spring compression assembly is configured to apply a load to a stack of electrochemical cells. The assembly includes a ceramic leaf spring, a tensioner configured to apply pressure to a first side of the spring and a bottom plate located on a second side of the spring opposite the first side of the spring. The bottom plate is configured to transfer a load from the spring to the stack of electrochemical cells.

Abstract: A ceramic baffle is configured to place a load on a stack of electrochemical cells and direct a reactant feed flow stream to the stack.

Abstract: Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.

Abstract: A method of insulating a base portion of a fuel cell system including pouring an insulation that can be poured to fill at least 30 volume % of a base portion cavity of the fuel cell system housing through an opening in a sidewall of the housing. The base portion cavity of the housing is located between a bottom wall of the housing and a stack support base plate located in the housing. The stack support base plate supports one or more columns of fuel cell stacks.

Abstract: Embodiment methods for bypassing a fuel cell in a fuel cell stack include identifying a fuel cell to bypass and connecting a conductive bypass to the fuel cell stack such that the bypass electrically connects a first interconnect in the fuel cell stack and a second interconnect in the fuel cell stack and electrically bypasses the identified fuel cell. Further embodiment methods include applying a conductive sealing material to the fuel cell stack such that the conductive sealing material seals a cathode inlet or outlet of the identified fuel cell and such that the conductive sealing material electrically bypasses the identified fuel cell.

Abstract: A fuel cell system includes at least one fuel cell stack, a fuel inlet conduit, and a fuel heat exchanger containing a fuel reformation catalyst. The fuel heat exchanger is connected to the fuel inlet conduit and to at least one fuel cell system exhaust conduit which in operation provides a high temperature exhaust stream to the fuel heat exchanger. The fuel heat exchanger is thermally integrated with an anode tail gas oxidizer (ATO) exhaust conduit such that in operation an ATO exhaust stream in the ATO exhaust conduit heats a fuel inlet stream passing through the heat exchanger.

Abstract: A method of making a metal interconnect for an electrolytic cell stack includes oxidizing the metal interconnect prior to providing the oxidized metal interconnect into the electrolytic cell stack. A pre-oxidized metal interconnect for an electrolytic cell stack would not substantially further oxidize upon exposure to a subsequent oxidizing ambient at a temperature of at least 900° C. prior to or after being provided into the electrolytic cell stack.

Abstract: Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.

Abstract: A web page behavior enhancement (WPBE) control element is provided on a rendered web page enabling a user to perform actions on at least a portion of the web page content such as customizing, editing, analyzing, forwarding, and/or annotating the content. The processed content may be presented on the original web page, on a locally stored version of the web page, or archived for subsequent use, where any changes to the original web page content may be tracked and the user notified about the changes. The WPBE control element(s) may be embedded into the web page at the source web application or at the local browser based on factors like web application capabilities, browser capabilities, user preferences, usage pattern, and comparable ones.

Abstract: A fuel cell system includes at least one fuel cell stack, a fuel inlet conduit, and a fuel heat exchanger containing a fuel reformation catalyst. The fuel heat exchanger is connected to the fuel inlet conduit and to at least one fuel cell system exhaust conduit which in operation provides a high temperature exhaust stream to the fuel heat exchanger. The fuel heat exchanger is thermally integrated with an anode tail gas oxidizer (ATO) exhaust conduit such that in operation an ATO exhaust stream in the ATO exhaust conduit heats a fuel inlet stream passing through the heat exchanger.

Abstract: A multi-stream heat exchanger includes at least one air preheater section, at least one cathode recuperator section, and at least one anode recuperator section, wherein each section is a plate type heat exchanger having two major surfaces and a plurality of edge surfaces, a plurality of risers through at least some of the plates, and a plurality of flow paths located between plates. The cathode recuperator section is located adjacent to a first edge surface of the anode recuperator, and the air preheater section is located adjacent to a second edge surface of the anode recuperator section.

Abstract: According to an embodiment, a gas delivery device for a fuel cell system includes a hollow ceramic element comprising a dielectric material having at least one groove in one end face of the ceramic element and a first metal tube, wherein an end of the first metal tube is inserted into the groove of the hollow ceramic element. According to an embodiment, a fuel cell system includes a fuel cell stack or column, a gas delivery line fluidly connected to the stack or column, and a coefficient of thermal expansion compensator/isolator located in the gas delivery line, where the coefficient of thermal expansion compensator/isolator includes a hollow ceramic element made of a dielectric material having at least one groove in one end face of the ceramic element, a first metal tube, where an end of the first metal tube is inserted into the groove of the hollow ceramic element, and a hollow flexible element which compensates for differences in coefficients of thermal expansion between components of the fuel cell system.

Abstract: A fuel cell system includes at least one fuel cell stack, a fuel inlet conduit, and a fuel heat exchanger containing a fuel reformation catalyst. The fuel heat exchanger is connected to the fuel inlet conduit and to at least one fuel cell system exhaust conduit which in operation provides a high temperature exhaust stream to the fuel heat exchanger. The fuel heat exchanger is thermally integrated with an anode tail gas oxidizer (ATO) exhaust conduit such that in operation an ATO exhaust stream in the ATO exhaust conduit heats a fuel inlet stream passing through the heat exchanger.

Abstract: A fuel cell system includes at least one fuel cell stack, a fuel inlet conduit, and a fuel heat exchanger containing a fuel reformation catalyst. The fuel heat exchanger is connected to the fuel inlet conduit and to at least one fuel cell system exhaust conduit which in operation provides a high temperature exhaust stream to the fuel heat exchanger. The fuel heat exchanger is thermally integrated with an anode tail gas oxidizer (ATO) exhaust conduit such that in operation an ATO exhaust stream in the ATO exhaust conduit heats a fuel inlet stream passing through the heat exchanger.

Abstract: Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.

Abstract: Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.

Abstract: Various hot box fuel cell system components are provided, such as heat exchangers, steam generator and other components.