A method and apparatus for detecting oxidation in at least one planar fuel cell stack that includes a multitude of cells is described. The height of the stack is measured to determine if there has been an increase from a previously-measured height. Such an increase correlates with the oxidation of at least some of the planar cells. In some cases, the fuel flow rate or airflow rate to each fuel cell stack can be adjusted, based in part on the oxidation detection technique. A power delivery system with at least two fuel cell stacks is also described, and it includes a stack height-measurement system, a health monitor for the fuel cell stacks, and a load balancer or airflow regulator.

A method and apparatus for detecting oxidation in at least one planar fuel cell stack that includes a multitude of cells is described. The height of the stack is measured to determine if there has been an increase from a previously-measured height. Such an increase correlates with the oxidation of at least some of the planar cells. In some cases, the fuel flow rate or airflow rate to each fuel cell stack can be adjusted, based in part on the oxidation detection technique. A power delivery system with at least two fuel cell stacks is also described, and it includes a stack height-measurement system, a health monitor for the fuel cell stacks, and a load balancer or airflow regulator.

Disclosed is an improved fuel cell apparatus. The fuel cell apparatus comprises at least one fuel cell, the fuel cell comprising two bipolar plates (200a 200b), one providing an anode side, and the other providing a cathode side, the fuel cell being configured to have a fuel inlet and a fuel outlet, and a membrane electrode assembly (422) disposed between the fuel inlets (201) and fuel outlets (203) of the bipolar plates. The at least one fuel cell is retained by a housing, the housing comprising a first outer plate and a second outer plate, each located on an opposite face of the at least one fuel cell. The housing further comprises a cooling element support which is adapted to support one or more fans that are adapted to provide an air flow toward the at least one fuel cell.

The present invention relates to an apparatus for evaluating a performance of a fuel cell stack, and more particularly, to an apparatus for evaluating a performance of a fuel cell stack, in which a guide unit and an arm are provided on an anode end plate and a cathode end plate, respectively, to minimize an inclination of the fuel cell stack caused by a shrinkage of a sealant.

The present invention relates to an apparatus for evaluating a performance of a fuel cell stack, and more particularly, to an apparatus for evaluating a performance of a fuel cell stack, in which a guide unit and an arm are provided on an anode end plate and a cathode end plate, respectively, to minimize an inclination of the fuel cell stack caused by a shrinkage of a sealant.

A fuel cell structure includes; a cell stack in which a plurality of cells is stacked; a fastening mechanism configured to fasten the cell stack in a compressed state from both sides in a stacking direction of the plurality of cells; and a load receiving mechanism configured to receive a linear expansion load from the cell stack in a compression release direction. The linear expansion load is caused by a decrease in compressive load by the fastening mechanism when a temperature of the cell stack is raised.

A fuel cell structure includes; a cell stack in which a plurality of cells is stacked; a fastening mechanism configured to fasten the cell stack in a compressed state from both sides in a stacking direction of the plurality of cells; and a load receiving mechanism configured to receive a linear expansion load from the cell stack in a compression release direction. The linear expansion load is caused by a decrease in compressive load by the fastening mechanism when a temperature of the cell stack is raised.

Disclosed is a method of manufacturing a solid oxide fuel cell using a calendering process. The method includes preparing a stack including an anode support layer (ASL) and an anode functional layer (AFL), calendering the stack to obtain an anode, stacking an electrolyte layer on the anode to obtain an assembly, calendering the assembly to obtain an electrolyte substrate, sintering the electrolyte substrate, and forming a cathode on the electrolyte layer of the electrolyte substrate.

Disclosed is a method of manufacturing a solid oxide fuel cell using a calendering process. The method includes preparing a stack including an anode support layer (ASL) and an anode functional layer (AFL), calendering the stack to obtain an anode, stacking an electrolyte layer on the anode to obtain an assembly, calendering the assembly to obtain an electrolyte substrate, sintering the electrolyte substrate, and forming a cathode on the electrolyte layer of the electrolyte substrate.

In a progressive pressing device, a first state of a lifting part is a state not sandwiching an elongated metal plate between a lifting plate and an upper plate in a state in which a positioning pin and a positioning hole are not engaged, a second state is a state not sandwiching an elongated metal plate between a lifting plate and an upper plate in a state in which a positioning pin and a positioning hole are engaged, and a third state is a state sandwiching an elongated metal plate between a lifting plate and an upper plate in a state in which a positioning pin and a positioning hole are engaged.