Abstract: The present disclosure relates to a separator plate for an electrochemical system, in particular for an electrolyzer, wherein the separator plate has, at least on a first side, a plurality of channels through which flow can pass in a longitudinal direction of the channel and which are each separated from one another, at least in sections, by a web, wherein the channels each have a plurality of regions with reduced flow cross-section, wherein the number of regions with reduced flow cross-section within a first half of a total channel length of each channel is less than within a second half of the total channel length.

Abstract: The present disclosure relates to a separator plate for an electrolyzer or for another electrochemical system. The separator plate has a seal along an edge-region of a through-opening, with an outer surface which is topographical at least in sections. The present disclosure also relates to an electrochemical system.

Abstract: The present disclosure relates to a sealing arrangement, a bipolar plate, an arrangement for an electrochemical system, and an electrochemical system. The sealing arrangement comprises a frame-shaped layer, a first elastomeric sealing element and/or a second elastomeric sealing element, and an elastomeric fluid guide structure. The frame-shaped layer has a cut-out extending over an electrochemically active region, and a through-opening for passing a fluid. The first sealing element lies against an inner edge of the through-opening and projects laterally into the through-opening in order to seal the through-opening. The second elastomeric sealing element lies against an inner edge of the cut-out and projects laterally into the cut-out in order to seal the cut-out. The elastomeric fluid guide structure has a plurality of fluid passages for passing fluid from the through opening to the cut-out or vice versa.

Abstract: The present disclosure relates to a component of an electrochemical cell, in particular a separator plate or a cell frame of an electrochemical cell. Furthermore, the present disclosure also relates to a bipolar plate, an electrochemical cell and an electrochemical system such as a fuel cell, an electrolyzer or a redox flow battery. The component comprises a first metallic layer. Adjacent to at least one free edge of the first metallic layer, the first metallic layer is at least in sections folded over on itself one or more times thereby forming one or more folded layers, thereby increasing the thickness of the component by one or more than one layer thickness of the first metallic layer.

Abstract: The present disclosure relates to a separator plate for an electrolyser, comprising a metallic layer, a first elastomer seal arranged in a first groove on a first side of the metallic layer, the first groove forming a first web on a second side of the metallic layer opposite the first side, and a second elastomer seal arranged in a second groove on the second side, the second groove forming a second web on the first side. The second web adjoins the first groove and the first web adjoins the second groove, so that the first groove and the second groove have a common side wall. The first elastomer seal is spaced from the common side wall and is recessed in the region of the first groove. The present disclosure further relates to a tool and a method for manufacturing the separator plate.

Abstract: A bipolar plate for an electrochemical system, such as an electrolyzer, having a separator plate and a support element firmly connected to the separator plate. The separator plate comprises a through-opening as an inlet or outlet for a fluid, a fluid guiding structure with a plurality of protrusions arranged at the through-opening for guiding the fluid between the plurality of protrusions, a bead arrangement which partially surrounds the through-opening, and a flow field with an electrochemically active region. The fluid guiding structure is arranged between the through-opening and the flow field such that the fluid can flow from the through-opening through the fluid guiding structure to the flow field or vice versa. The support element is configured to bridge the fluid guiding structure.

Abstract: A bipolar plate for an electrochemical system comprising a layer and an insert. The layer comprises a through-opening and a flow field with an electrochemically active area. The insert comprises a fluid guide structure having a plurality of protrusions arranged between the flow field and the through-opening, so that fluid is guided from the through-opening through the fluid guide structure between the protrusions to the flow field or vice versa. The fluid guide structure comprises a first and second region arranged next to each other in the fluid flow direction, wherein the protrusions in the first region and in the second region each have different distances from one another and/or are arranged at different densities and/or are shaped differently, so that a flow cross-section is smaller in the first region than in the second region and/or a flow resistance is greater in the first region than in the second region.

Abstract: The present disclosure relates to a separator plate or cell frame for an electrochemical device, in particular for an electrolyzer or a fuel cell, having a first metallic layer with a first side and a second side opposite the first side, wherein the separator plate or the cell frame has at least one first through-opening for the supply of reaction medium and at least one second through-opening for the discharge of reaction medium, characterized in that the metallic layer has at least one first recess on the first side, which completely circumferentially encloses an inner space of the first recess, the inner space being completely filled with a first non-compressible material.

Abstract: A single-layer bipolar plate for an electrolyser. The single-layer bipolar plate comprises a flow field which is shaped substantially as an equilateral n-sided polygon. The flow field being predefined by an embossed channel structure which defines a plurality of channels for a reaction medium. Here, n may be an even natural number. The single-layer bipolar plate comprises at least four media apertures, wherein, on each of four different sides of the flow field, in each case at least one media aperture is arranged between the flow field and a respective outer edge of the bipolar plate.

Abstract: A separator plate for an electrolyser, to a method for producing same, and to a die pair for producing such a separator plate and for carrying out said method. A separator plate for an electrolyser, having a first metal layer, the separator plate comprising an active region having at least one multitude of flow channels for a reaction medium. The flow channels being embossed into the first metal layer and having a channel bottom and channel walls arranged on both sides of the channel bottom. Webs are arranged between adjacent channel walls of adjacent flow channels. At least some of the channel bottoms of the multitude of flow channels, the surface of the first metal layer opposite the channel bottom is at least partially substantially planar in a cross-section transverse to the direction of extension of the respective flow channel.

Abstract: A separator plate, an assembly for an electrochemical system, and an electrochemical system, the separator plate comprising a first metal plate, the first plate having a flow field with channel structures integrally formed in the first plate for guiding a reaction medium or product medium along the first plate. A second metal plate having at least one sealing element for sealing off at least one region of the separator plate. The first plate and the second plate differ from each other in at least one material property and/or in their material thicknesses and the first plate and the second plate are connected to each other in a materially bonded manner.

Abstract: A decoupling element for fastening a heat shield. The heat shield comprising a passage opening for a fastener. The decoupling element comprising: a middle part containing a sleeve, a lower part arranged adjacent to the first axial end portion of the sleeve, a first damping element arranged on the second side of the first pressure absorption element, an upper part arranged adjacent to the second axial end portion of the sleeve, and a second damping element arranged on the second side of the second pressure absorption element.

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 covering, such as a casing, for a component of an electrical drive system. Components of this kind are, for example, the electric motor or the inverter of an electric motor. Both the inverter and the electric motor itself generate noise at high frequencies, for instance between 6 kHz and 12 kHz, due to the switch elements used in them. These noises should not escape to the exterior because they are disruptive in terms of both frequency and volume. The present disclosure shows a cover for absorbing these noises, that is cost-effective and can be arranged close to the electric motor and its components.

Abstract: A covering means is provided for a component of an electrical drive system having or consisting of a first metallic layer, wherein the first metallic layer is equipped to be vibration-damping.

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 The present invention relates to a battery box for a traction battery, as used to mount traction batteries in vehicles. The battery box comprising: a lower side, an upper side, an edge region extending between the upper side and the lower side, a plurality of battery modules arranged in the battery box, and a shielding element comprising at least two layers.

Abstract: A decoupling element for fastening a heat shield. The heat shield comprising a passage opening for a fastener. The decoupling element comprising: a middle part containing a sleeve, a lower part arranged adjacent to the first axial end portion of the sleeve, a first damping element arranged on the second side of the first pressure absorption element, an upper part arranged adjacent to the second axial end portion of the sleeve, and a second damping element arranged on the second side of the second pressure absorption element.

Abstract: A heat shield for shielding hot regions of a component is described. The component may be an exhaust manifold with a heat shield and also an internal combustion engine with an exhaust manifold or heat shield.

Abstract: The invention relates to a heat shield for the shielding of hot areas of components, e.g. of internal combustion engines. The heat shield has an insulating layer (3) and a metallic sheet layer (2) that are located next to each other. The insulation contains or consists of hollow fibers (10) as insulating material. The hollow fibers (10), at least in sections or over their entire length, have a tubular, hollow, unfilled cross section.