Abstract: An interconnector for a stack of solid oxide cells of the SOEC/SOFC type, intended to be arranged between two adjacent electrochemical cells, which includes a flat face whereon at least one first group of identical first elements in relief and a second group of identical second elements in relief are formed, the first elements in relief having different geometric features with respect to the second elements in relief, the height of each first element in relief being different from the height of each second element in relief, the contact width of each first element in relief being different from the contact width of each second element in relief.

Abstract: A clamping system for an electrochemical module including a stack of electrochemical cells and interconnectors and two stiffening plates at the ends of the stack. The clamping system exerts a compressive force on the stack in the longitudinal direction. Each stiffening plate includes eight holes orthogonal to the stiffening plates and distributed along the edges of the stiffening plates. The clamping system includes eight clamping devices. Each clamping device includes a column configured to mechanically connect to the stiffening plates, and each column extends into the space between the stiffening plates. Each clamping device also includes first and second elements screwed into each of the stiffening plates, fastening the column to the stiffening plates and allowing adjustment of the tension applied to the column.

Abstract: A gas distribution assembly comprises a first plate and a second plate parallel with each other, the first plate comprising gas communication orifices. A sealing interface device includes seals disposed around communication orifices and a strut disposed in a coupling plane between the first and second plates. The strut and the seals form a sealing interface having two planes of symmetry perpendicular with each other and perpendicular to the coupling plane, the thickness of the seals before coupling under pressure of the first and second plates being greater than the thickness of the strut. Use for a high-temperature solid oxide electrolyser or fuel cell.