Abstract: A separator plate for an electrochemical system. The separator plate having a shock absorber arrangement. A bipolar plate comprising two separator plates for an electrochemical system, each having a shock absorber arrangement. An electrochemical cell comprising two separator plates for an electrochemical system, each having a shock absorber arrangement. An assembly for an electrochemical system, comprising at least one separator plate and a membrane electrode assembly (MEA). The electrochemical system may be a fuel cell system, an electrochemical compressor, a redox flow battery, or an electrolyser.

Abstract: The disclosure relates to a bipolar plate for an electrochemical system, and to an electrochemical system comprising a plurality of bipolar plates. The electrochemical system may be, for example, a fuel cell system, an electrochemical compressor, a redox flow battery, or an electrolyser. The bipolar plate comprising separator plates, an inlet, and an outlet. A separator plate comprising an active region.

Abstract: The present disclosure relates to a separator plate for an electrochemical system, comprising a first individual plate and a second individual plate connected to the first individual plate, wherein channels of the individual plates are nested in each other. The present disclosure also relates to an arrangement for an electrochemical system, comprising a plurality of separator plates.

Abstract: The present disclosure relates to a sealing arrangement, comprising: an elastomeric sealing element, which comprises a foamed material containing microspheres, and a metal layer having a surface structuring, the surface structuring comprising a plurality of depressions, wherein the sealing element is configured as a coating of the metal layer and is arranged at least in some areas on the surface structuring, wherein a concentration of the microspheres in the sealing element, measured perpendicular to the surface of the metal layer, is inhomogeneous. The disclosure additionally relates to a plate assembly, to an electrochemical system, and to a method for producing the sealing arrangement.

Abstract: An electrochemical arrangement with two metallic separator plates which each define a plate plane and which are stacked in a stack direction perpendicular to the plate planes. The separator plates comprise sealing elements which are embossed into the separator plate and which are supported against one another for sealing the electrochemical cell which is arranged between the separator plates and which are reversibly deformable in the stack direction up to a distance z2. The arrangement further comprises at least one support element which is arranged between the separator plates and which is distanced to the sealing elements of the separator plates in a direction parallel to the plate planes.

Abstract: A separator plate for an electrochemical system, a bipolar plate comprising two such separator plates, an electrochemical cell, and an electrochemical system comprising a multiplicity of such separator plates or bipolar plates are disclosed. By way of example, the electrochemical system may be a fuel cell system, an electrochemical compressor, a redox flow battery or an electrolyzer. The separator plate for an electrochemical system, comprising at least one through-opening and at least one bead arrangement. An edge portion stretches between the at least one bead arrangement and a border of the at least one bead arrangement. The edge portion has recesses and projections starting from the border and alternating successively along a border contour in some portions, wherein the recesses project downwards out of the plate plane and the projections project upwards out of the plate plane.

Abstract: A separator plate for an electrochemical system, comprising: at least one of the flanks of the bead assembly has a multiplicity of passages for directing a medium through the bead flank, and a distributing or collecting structure has a multiplicity of line ducts and a multiplicity of openings, wherein the line ducts adjoin the passages in the bead flank on an external side of the bead assembly, wherein the openings are disposed on a side of the distributing or collecting structure that faces away from the bead assembly and, are fluidically connected to a bead interior.

Abstract: Electrochemical systems, separator plates and methods for production thereof, the separator plate comprising: an active region and at least one first through-opening for supplying a reaction medium to flow channels, and one second through-opening for conducting the reaction medium away from flow channels. At least one through-opening enclosed by a roller-embossed sealing bead. Roller embossing a first layer in a first transportation direction and roller embossing a second layer in a second transportation direction, and arranging the two metal layers opposite one another relative to the respective transportation directions. Two roller-embossed sealing beads are arranged one above the other.

Abstract: A separator plate comprising a first individual plate and a second individual plate, wherein the separator plate comprises: an electrochemically active region, at least one through-opening, and a bead arrangement. The bead arrangement arranged around the through-opening for sealing off the through-opening, A bead interior fluidically connected to the through-opening. At least one first aperture extending substantially parallel to a plate plane defined by the separator plate. At least one conveying channel which opens into a region of the first individual plate containing the first aperture and fluidically connects the bead interior to the first aperture.

Abstract: A metal separator plate for an electrochemical system, having at least a first laser-surface-treated region with a first passivation layer and a second region with a native or reconstructed passivation layer, wherein, as a result of the laser surface treatment, the first passivation layer has: a charge carrier density that is increased by at least 10%, and a surface area that is no more than 5% larger in relation to the native or reconstructed passivation layer. The present disclosure further relates to methods for producing and characterizing such a separator plate.

Abstract: An electrochemical, media-guiding system, a contact element for electrically and mechanically contacting such a plate, and a transmission device containing such a contact element. The present disclosure further relates to the production of such a plate or such a contact element. A plate having at least one contact point forming a voltage take-off point, a current supply point, and/or a current take-off point. The at least one contact point having a laser-surface-treated region.

Abstract: A separator plate comprising a metal layer. The metal layer having at least one bead and the at least one bead having two bead flanks. At least one of the bead flanks having segments with different angles to the plane of the metal layer.

Abstract: Systems and methods for separator plates, bipolar plates, stacks of plates, and electrochemical systems, comprising at least one through-opening for the passage of a fluid and a rim that delimits the through-opening. The rim having a curved course and a rectilinear course that adjoins the curved course. A bead arrangement extends around the curved course and the rectilinear course. An edge portion spans the bead arrangement and the rim, so that the bead arrangement is situated at a distance from the rim. A cutout formed in the curved course, so that a minimum distance of the bead arrangement from the rim is smaller in the curved course than in the rectilinear course.

Abstract: A plate-like fluid container for guiding a fluid, container having two at least partially abutting layers, an inlet for inflow of the fluid into the fluid container and an outlet for outflow of the fluid from the fluid container, in particular at least intermittently continuous inflow and outflow of the fluid, whereby, between the layers along at least one recess present at least in one of the layers, at least one fluid channel associated with the recess is present for guiding a fluid from the inlet to the outlet.

Abstract: A separator plate for an electrochemical system, comprising: at least one of the flanks of the bead assembly has a multiplicity of passages for directing a medium through the bead flank, and a distributing or collecting structure has a multiplicity of line ducts and a multiplicity of openings, wherein the line ducts adjoin the passages in the bead flank on an external side of the bead assembly, wherein the openings are disposed on a side of the distributing or collecting structure that faces away from the bead assembly and, are fluidically connected to a bead interior.

Abstract: The disclosure relates to a bipolar plate for an electrochemical system, and to an electrochemical system comprising a plurality of bipolar plates. The electrochemical system may be, for example, a fuel cell system, an electrochemical compressor, a redox flow battery, or an electrolyser. The bipolar plate comprising separator plates, an inlet, and an outlet. A separator plate comprising an active region.

Abstract: The present disclosure relates to a sealing arrangement, comprising: an elastomeric sealing element, which comprises a foamed material containing microspheres, and a metal layer having a surface structuring, the surface structuring comprising a plurality of depressions, wherein the sealing element is configured as a coating of the metal layer and is arranged at least in some areas on the surface structuring, wherein a concentration of the microspheres in the sealing element, measured perpendicular to the surface of the metal layer, is inhomogeneous. The disclosure additionally relates to a plate assembly, to an electrochemical system, and to a method for producing the sealing arrangement.

Abstract: The present disclosure relates to a separator plate for an electrochemical system, wherein the separator plate has, at least in some regions, periodic surface structures with a mean spatial period of less than 10 ?m. The disclosure additionally relates to a method for producing a separator plate for an electrochemical system, comprising the steps: providing a separator plate; irradiating the separator plate by means of a pulsed laser, wherein a pulse duration of the laser pulses is less than 1 ns; and creating periodic surface structures on the separator plate by way of the laser radiation.

Abstract: An electrochemical arrangement with two metallic separator plates which each define a plate plane and which are stacked in a stack direction perpendicular to the plate planes. The separator plates comprise sealing elements which are embossed into the separator plate and which are supported against one another for sealing the electrochemical cell which is arranged between the separator plates and which are reversibly deformable in the stack direction up to a distance z2. The arrangement further comprises at least one support element which is arranged between the separator plates and which is distanced to the sealing elements of the separator plates in a direction parallel to the plate planes.

Abstract: A separator plate assembly for an electrochemical system, comprising a first metal sheet and a second metal sheet, which are in contact with one another at least in areas along the flat sides thereof facing one another, the first metal sheet including a first through-hole, or a group of first through-holes, and a first embossed structure surrounding the first through-hole, or the group of first through-holes, of the first metal sheet, and the second metal sheet including a first embossed structure, which is arranged at least in sections in an area of the second metal sheet that is defined by a perpendicular projection of the first through-hole, or of the group of first through-holes, of the first metal sheet onto the second metal sheet.