In various embodiments, components of a solid oxide fuel cell device such as interconnect plates, seals, and/or endplates may be composed of materials including aluminum, copper, and/or graphite.

A fuel cell stack assembly includes a fuel cell stack column, and side baffles disposed on opposing sides of the column. The side baffles include side baffle plates containing at least one ceramic matrix composite (CMC) panel having at least one hole, and at least one denser ceramic element joined to the at least one CMC panel at the hole in the CMC panel.

A fuel cell stack assembly includes a fuel cell stack column, and side baffles disposed on opposing sides of the column. The side baffles include side baffle plates containing at least one ceramic matrix composite (CMC) panel having at least one hole, and at least one denser ceramic element joined to the at least one CMC panel at the hole in the CMC panel.

Herein disclosed is a method of manufacturing comprises depositing a composition on a substrate slice by slice to form an object; heating in situ the object using electromagnetic radiation (EMR); wherein said composition comprises a first material and a second material, wherein the second material has a higher absorption of the radiation than the first material. In an embodiment, the EMR has a wavelength ranging from 10 to 1500 nm and the EMR has a minimum energy density of 0.1 Joule/cm.sup.2. In an embodiment, the EMR comprises UV light, near ultraviolet light, near infrared light, infrared light, visible light, laser, electron beam. In an embodiment, said object comprises a catalyst, a catalyst support, a catalyst composite, an anode, a cathode, an electrolyte, an electrode, an interconnect, a seal, a fuel cell, an electrochemical gas producer, an electrolyser, an electrochemical compressor, a reactor, a heat exchanger, a vessel, or combinations thereof.

A joining structure includes a first bonded member and a glass portion that is bonded to a surface of the first bonded member. The glass portion includes an interface region not exceeding 5 m of the surface of the first bonded member, and an inner region more than 5 m from the surface of the first bonded member. The interface region and inner region respectively include rod-shaped crystal particles that have three or more aspect ratios when viewed in cross section. An average orientation angle of the rod-shaped crystal particles included in the interface region is greater than or equal to 60 degrees and less than or equal to 120 degrees. A standard deviation of the orientation angle of the rod-shaped crystal particles included in the inner region is greater than a standard deviation of the orientation angle of the rod-shaped crystal particles included in the interface region.

The present invention regards a method for depositing a material layer on a metallic interconnector or support for fuel cells or cells for electrolysis. A deposition method is provided which allows applying a protective ceramic material layer on metallic supports of complex geometry, such as the metallic interconnectors of the fuel cells.

The present invention regards a method for depositing a material layer on a metallic interconnector or support for fuel cells or cells for electrolysis. A deposition method is provided which allows applying a protective ceramic material layer on metallic supports of complex geometry, such as the metallic interconnectors of the fuel cells.

The application relates to a novel module for electrolysis or co-electrolysis of water or of SOFC fuel cell, within which the forces necessary to compress the seals are decoupled from those necessary for the electrical contact elements that ensure the passage of current in the module.

The application relates to a novel module for electrolysis or co-electrolysis of water or of SOFC fuel cell, within which the forces necessary to compress the seals are decoupled from those necessary for the electrical contact elements that ensure the passage of current in the module.

A fuel cell stack is described. The fuel cell stack comprises an interconnect assembly comprising a cathode-side interface coupled to an interconnect via a first joint, and an anode-side interface coupled to the interconnect via a second joint, the interconnect assembly having a first coefficient of thermal expansion (CTE) at an interface side of the interconnect assembly. The fuel cell stack further comprises a fuel cell element coupled to the interconnect assembly at the interface side via a hermetic seal, the fuel cell element having a second CTE at the interface side, the first CTE and the second CTE satisfying a predetermined CTE matching condition.