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: A separator plate for an electrochemical system, an electrolyzer, a bipolar plate comprising such a separator plate, an electrolyzer comprising such a separator plate, and to tooling for producing such a separator plate. The separator plate comprising a flow area having a plurality of integrally formed support structures. An outer contour of the support structures in each case comprises: a first circular arc-shaped portion and a second circular arc-shaped portion, wherein a circular arc center point of the first circular arc-shaped portion and a circular arc center point of the second circular arc-shaped portion are arranged at a distance from each other on a longitudinal axis of the respective sup-port structure, and a joining portion which joins together the first circular arc-shaped portion and the second circular arc-shaped portion, wherein a width of the joining portion is smaller than a diameter of the first and/or second circular arc-shaped portion.

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, 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 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 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: Electrochemical systems having a first separator plate, a second separator plate, and a membrane electrode unit (MEA) arranged between the separator plates. The MEA has a membrane in order to form an electrochemical cell and an edge portion connected to the membrane and comprising a film material for positioning and/or fastening the membrane between the separator plates. The edge portion has at least one elevation and/or depression for stiffening the edge portion at least in regions.

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: A separator plate for an electrochemical system has two metal individual plates. The plates have passage openings for operating media and possibly coolant, and distribution structures. The distribution structures are formed in the metal individual plates and which each communicate with at least two of the passage openings. A peripherally extending sealing structure is formed in each of the metal individual plates at least peripherally around the electrochemically active region and at a distance therefrom and/or peripherally around at least one of the passage openings and at a distance from the edge thereof. The cross-section of the sealing structure has a bead roof, two bead flanks, and at least in some segments, two bead feet. At least in the region of the bead roof of the sealing structure at least in some segments, the sealing structure extends sinuously with at least two wave periods having convex and concave segments.

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 has two metal individual plates. The plates have passage openings for operating media and possibly coolant, and distribution structures. The distribution structures are formed in the metal individual plates and which each communicate with at least two of the passage openings. A peripherally extending sealing structure is formed in each of the metal individual plates at least peripherally around the electrochemically active region and at a distance therefrom and/or peripherally around at least one of the passage openings and at a distance from the edge thereof. The cross-section of the sealing structure has a bead roof, two bead flanks, and at least in some segments, two bead feet. At least in the region of the bead roof of the sealing structure at least in some segments, the sealing structure extends sinuously with at least two wave periods having convex and concave segments.

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.

Abstract: A separator plate for an electrochemical system may have at least one passage opening for forming a media channel for feeding or discharging media. The system may also have at least one bead arrangement arranged around the at least one passage opening, for the purpose of sealing the passage opening. At least one of the flanks of the bead arrangement may have at least one opening for conducting a medium through the bead flank. The system may also have at least one guide channel that is connected, on an exterior of the bead arrangement, to the openings in the bead flank and is fluidically connected to a bead interior via the opening in the bead flank. The guide channel is designed such that a guide channel width, determined parallel to the flat surface plane of the separator plate, increases at least in some sections in the direction of the bead arrangement.