The present disclosure relates to a cell frame for an electrochemical system, comprising an outer region that defines at least one through-opening and a flow field, and a fluid guide structure disposed between the through-opening and the flow field, the fluid guide structure configured to guide a fluid from the through-opening to the flow field or vice versa, wherein the fluid guide structure has a metallic support element, which is connected to the outer region of the cell frame via at least one elastomeric connecting section.
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
H01M 8/242 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
2.
ELECTROCHEMICAL CELL COMPRISING A CAPACITOR AND ELECTROCHEMICAL SYSTEM
The present disclosure relates to an electrochemical cell comprising a first separator plate, a second separator plate and a capacitor designed to store and release electrical energy. Furthermore, the present disclosure relates to an electrochemical system comprising a plurality of stacked electrochemical cells. The electrochemical system may be a fuel cell stack or an electrolyzer. The capacitor is arranged between an outer edge region of the first separator plate and an outer edge region of the second separator plate. The first separator plate has a first holding structure for holding the capacitor and/or the second separator plate has a second holding structure for holding the capacitor.
H01G 11/82 - Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
The present disclosure relates to a separator plate for an electrochemical system, in particular a fuel cell system. The separator plate has at least one through-opening for passing a fluid through the separator plate, at least one distribution area having a plurality of first channels and first webs formed between each two first channels, and at least one flow field, which is in fluid communication with the through-opening via the distribution area and which has a plurality of second channels and second webs formed between each two second channels. First ends of the first webs face ends of the second webs and/or merge into the ends of at least selected ones of the second webs. First distances between the respective first ends of mutually adjacent first webs are inhomogeneous.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
4.
ELECTROCHEMICAL SYSTEM WITH PRESSURE EQUALIZATION PLATE
The present disclosure relates to an electrochemical system, in particular an electrochemical system having a stack comprising at least a plurality of electrochemical cells and separator plates, at least one end plate assembly, and at least one pressure equalization plate arranged between the stack and the end plate assembly, wherein a side of the end plate assembly that faces the stack has at least a first recess and a first solid region of the pressure equalization plate lies opposite this first recess.
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.
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0263 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
6.
METHOD OF MANUFACTURING A BIPOLAR PLATE FOR AN ELECTROCHEMICAL SYSTEM AND BIPOLAR PLATE FOR AN ELECTROCHEMICAL SYSTEM
The present disclosure relates to a method of manufacturing a bipolar plate for an electrochemical system. The method comprises the steps of providing at least one metallic plate comprising a plurality of webs and channels formed between the webs, subjecting each of at least two first surface regions of the webs to at least one laser treatment, subjecting each of the at least two first surface regions to an aging process, and coating each of at least one second surface region of the webs located between the at least two first surface regions and immediately adjacent to the at least two first surface regions with at least one graphite coating. In addition, the present disclosure also relates to a bipolar plate for an electrochemical system and an electrochemical system comprising the bipolar plate.
The present disclosure relates to a method of manufacturing a component for an electrochemical system. The method comprises steps in which at least one metallic layer with at least one sealing bead formed therein is provided, each of at least two first surface regions of the at least one sealing bead are subjected to at least one laser treatment, and each of at least one second surface region of the at least one sealing bead, which is arranged between the at least two first surface regions and directly adjoins the at least two first surface regions, is provided with at least one elastomeric sealing element. In addition, the present disclosure also relates to a component for an electrochemical system and an electrochemical system comprising the component.
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.
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
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.
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/242 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
The present disclosure relates to a bipolar plate for an electrochemical system, having a first separator plate and a second separator plate arranged one on top of the other. Each separator plate has, on a side facing away from the other, embossed webs and channels to guide a fluid. The separator plates each have on their mutually facing sides webs and channels to guide a cooling medium along an inner side of the bipolar plate. At least one of the separator plates has structured web regions on at least one side. The structured web regions at least have periodic surface structures with an average spatial period of less than 10 μm. A proportion of the structured web regions of a total web surface is distributed heterogeneously over the total web surface.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
The present disclosure relates to a bipolar plate for an electrochemical system and an electrochemical system comprising at least one such bipolar plate. The bipolar plate comprises a first separator plate and a second separator plate, which are arranged on top of each other. At least one of the separator plates has, on the side that faces the other separator plate, only partially coated surface areas, which are provided with a coating that increases the electrical conductivity.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
12.
ELECTROCHEMICAL CELL COMPONENT, BIPOLAR PLATE, ELECTROCHEMICAL CELL AND ELECTROCHEMICAL SYSTEM COMPRISING SUCH A COMPONENT
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.
The present disclosure relates to a separator plate for an electrochemical system, comprising a first individual plate, wherein the first individual plate has, embossed on a first side, webs with web flanks that at least in sections delimit channels for guiding a first fluid, the web flanks having a first inclination relative to a plate plane, wherein the first individual plate has at least one transverse stiffening region that extends transversely to a longitudinal direction of extension of the webs and in which a second inclination of the web flanks relative to the plate plane is less than the first inclination outside the transverse stiffening region.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
The present disclosure relates to a separator plate for an electrochemical system and an electrochemical system comprising at least one such separator plate. A first individual plate of the separator plate has, embossed on a first side, webs that delimit channels configured for guiding a first fluid. Between bases of the channels and the adjoining web flanks are first transition regions with a first embossing radius. On a second side of the first individual plate, the channels form protrusions and the webs form grooves for guiding a second fluid. Between bases of the grooves are second transition regions with a second embossing radius. The first individual plate forms a plurality of stiffening structures that are arranged in the first and/or second transition regions. The stiffening structures form local bulges with a radius greater than the respective embossing radius and which extend over a height less than a web height.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0263 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
15.
SEPARATOR PLATE FOR AN ELECTROCHEMICAL SYSTEM AND ASSOCIATED ASSEMBLY COMPRISING A PLURALITY OF SEPARATOR PLATES
The present disclosure relates to a separator plate for an electrochemical system comprising first and second individual plates and an arrangement comprising at least one such separator plate. The first plate has first channels for guiding media separated by first webs. On a side facing the second plate, the first channels form first protrusions and the first webs form first grooves. The second plate has second channels separated by second webs. On a side facing the first plate, the second channels form second protrusions and the second webs form second grooves. The second protrusions project into the first grooves and the first protrusions project into the second grooves. The first and/or second grooves are stepped transversely to their longitudinal extension with a region of reduced groove depth, forming a support structure. The region of reduced groove depth contacts an opposite protrusion of the other plate.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0263 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
16.
SEPARATOR PLATE AND TOOL AND METHOD FOR PRODUCING A SEPARATOR PLATE
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 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 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 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.
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.
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
H01M 8/0276 - Sealing means characterised by their form
A bipolar plate for an electrochemical system comprising a stack of bipolar plates, the bipolar plates having first and second separator plates. The first and second separator plates each comprise at least two through-openings for passing a reaction medium, at least one distribution region, and a flow field. The distribution region fluidly connects one of the through openings to the flow field. The distribution region has channels separated by webs for guiding reaction media. Each channel has a channel bottom and flanks on both sides of the channel bottom. A first width extending between transition regions of flanks on each side of a channel bottom is more than three times as large as a second width indicating a width of the channel base. The channel base of the first separator plate contacts the back of the second separator plate in an unassembled state of the bipolar plate.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
19.
BIPOLAR PLATE FOR AN ELECTROCHEMICAL SYSTEM WITH A SUPPORT ELEMENT
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.
C25B 13/05 - DiaphragmsSpacing elements characterised by the material based on inorganic materials
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
A bipolar plate for an electrochemical system comprising a first and second separator plate arranged adjacent to each other. Each separator plate has a first through-opening for passing a reaction medium, a second through-opening for passing a temperature control medium, an active region, and a distribution or collection region with flow channels separated by webs for guiding the temperature control medium between the second through-opening and the active region. The distribution or collection region also has a compensating region, where, in the unassembled state of the bipolar plate, the webs facing the adjacent separator plate are spaced apart from the adjacent plate except in an elastic contact region spaced from an outer edge of the compensating region in which a section of a web projects such that the section forms a contact surface with the adjacent separator plate.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
The invention relates to a separator plate for an electrochemical system. The electrochemical system can be, for example, a fuel cell system, an electrochemical compressor or an electrolyzer.
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
The present disclosure relates to a flat gasket for sealing between a base plate and a stack of a plurality of electrochemical cells of a solid oxide fuel cell, with at least one metallic sealing layer in which sealing elements are embossed, characterized in that the metallic layer has at least one fixing point, wherein the fixing point has a structure, which projects from the surface of the metallic layer adjacent to the structure that forms an outer side of the flat gasket, and has at least one free edge in the projecting region.
The invention relates to a separator plate (2) for an electrochemical system (1) and to an electrochemical system (1) having such a separator plate (1). The separator plate (2) comprises a first individual plate (2a) and a second individual plate (2b) which is connected to the first individual plate (2a), wherein the two individual plates (2a, 2b) touch one another in a contact zone (25), wherein the first individual plate (2a) has two first channels (30, 31) for conducting media, which channels are formed into the first individual plate (2a), run next to one another and are separated from one another at least in sections by way of a bridge (32) which is configured between the first channels (30, 31), wherein the second individual plate (2b) has a second channel (40) for conducting media, which channel is formed into the second individual plate (2b), and wherein the bridge (32), which is configured between the first channels (30, 31), and the second channel (40), which is formed into the second individual plate, are configured and arranged in such a way that a projection of the second channel (40) onto the first individual plate (2a) perpendicularly with respect to the flat surface plane of the first individual plate (2a) crosses the bridge (32) along a crossing region (33) of the bridge (32).
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0297 - Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
B23K 26/00 - Working by laser beam, e.g. welding, cutting or boring
24.
SEPARATOR PLATE FOR AN ELECTROCHEMICAL SYSTEM AND CORRESPONDING ELECTROCHEMICAL SYSTEM COMPRISING SUCH A SEPARATOR PLATE
The present disclosure relates to a separator plate for an electrochemical system, comprising a first plate and a second plate connected at a contact zone. The first plate comprises two first channels for conducting media, which run next to one another and are separated at least in sections by a web formed between the first channels. The second plate comprises a second channel for conducting media. The web formed between the first channels is lower in the crossing region of the second channel such that the first channels running on either side of the web are fluidically connected by a lower portion of the web. In or near the lower portion, the first plate is connected to the base of the second channel by a welded joint. The welded joint forms an end crater spaced away from a first end and a second end of the welded joint.
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
25.
BIPOLAR PLATE FOR AN ELECTROCHEMICAL SYSTEM AND CORRESPONDING ELECTROCHEMICAL SYSTEM COMPRISING SUCH A BIPOLAR PLATE
The present disclosure relates to a bipolar plate for an electrochemical system, having a first separator plate and a second separator plate that are arranged one on top of the other, wherein the first separator plate has, on a side facing away from the second separator plate, a first electrochemically active surface for conducting a first fluid; the second separator plate has, on a side facing away from the first separator plate, a second electrochemically active surface for conducting a second fluid; wherein the first electrochemically active surface and the second electrochemically active surface overlap each other and form an active region of the bipolar plate in an overlapping region, wherein the separator plates are joined together in the active region by a weld pattern with inhomogeneously distributed welds.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
H01M 8/18 - Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
26.
SEPARATOR PLATE FOR AN ELECTROCHEMICAL SYSTEM, METHOD FOR THE PRODUCTION OF SUCH A SEPARATOR PLATE AND CORRESPONDING ELECTROCHEMICAL SYSTEM COMPRISING SUCH A SEPARATOR PLATE
The present disclosure relates to a separator plate for an electrochemical system, comprising first and second individual plates connected by means of a welded joint, each individual plate comprising at least one through-opening for passage of a fluid, a flow field, a distribution or collecting region which fluidically connects the through-opening to the flow field, and a transition region which is arranged between the flow field and the distribution or collecting region, wherein the welded joint is arranged in the flow field and/or in the transition region, wherein the welded joint extends longitudinally from a first end located in a first end region to a second end located in a second end region, wherein the welded joint forms an end crater between the first and second ends and the end crater is spaced from the first and second ends.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
27.
EMBOSSING ROLLER, METHOD FOR THE PRODUCTION THEREOF, PLATE FOR AN ELECTROCHEMICAL SYSTEM, AND METHOD FOR PRODUCING A PLATE OF THIS TYPE
The present invention relates to an embossing roller (210a, 210b) for embossing a plate (200) for an electrochemical system and to a method for the production thereof. It also relates to a plate (200) for an electrochemical system and to a method for the production thereof.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
The invention relates to a separator plate for an electrochemical system. The electrochemical system can in particular be a fuel cell system, an electrochemical compressor, an electrolyzer or a redox flow battery. The invention also discloses an electrochemical system comprising multiple separator plates of this type.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
The invention relates to a separator plate for an electrochemical system. The electrochemical system can in particular be a fuel cell system, an electrochemical compressor, an electrolyzer or a redox flow battery. The invention also discloses an electrochemical system comprising multiple separator plates of this type.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
The invention relates to a separator plate for an electrochemical system. The electrochemical system can in particular be a fuel cell system, an electrochemical compressor, an electrolyzer or a redox flow battery. The invention also discloses an electrochemical system comprising multiple separator plates of this type.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
The invention relates to a separator plate for an electrochemical system. The electrochemical system can in particular be a fuel cell system, an electrochemical compressor, an electrolyzer or a redox flow battery. The invention also discloses an electrochemical system comprising multiple separator plates of this type.
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
The invention relates to a separator plate for an electrochemical system. The electrochemical system can in particular be a fuel cell system, an electrochemical compressor, an electrolyzer or a redox flow battery. The invention also discloses an electrochemical system comprising multiple separator plates of this type.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
The invention relates to a separator plate for an electrochemical system. The electrochemical system can in particular be a fuel cell system, an electrochemical compressor, an electrolyzer or a redox flow battery. The invention also discloses an electrochemical system comprising multiple separator plates of this type.
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
The invention relates to a separator plate for an electrochemical system. The electrochemical system can in particular be a fuel cell system, an electrochemical compressor, an electrolyzer or a redox flow battery. The invention also discloses an electrochemical system comprising multiple separator plates of this type.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0263 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
The invention relates to a separator plate for an electrochemical system. The electrochemical system can in particular be a fuel cell system, an electrochemical compressor, an electrolyzer or a redox flow battery. The invention also discloses an electrochemical system comprising multiple separator plates of this type.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
36.
SEPARATOR PLATE AND CELL FRAME FOR AN ELECTROCHEMICAL DEVICE
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.
H01M 8/0245 - Composites in the form of layered or coated products
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
37.
SEPARATOR PLATE, ELECTROCHEMICAL CELL AND ELECTROLYZER
The present disclosure relates to a separator plate for an electrolyzer having a first layer with at least one through-opening for a fluid and an active region with a set of flow channels for the fluid. A first elastomeric molding with at least one sealing lip is arranged on a first side of the first layer at least partially surrounding the through-opening. The sealing lip extends at least partially along a peripheral edge of the through-opening. A second elastomeric molding surrounding the through-opening is arranged on a second side of the first layer, with a set of ribs which form grooves between them as flow channels for the fluid. For each flow channel, one longitudinal end is open to the through-opening and the other is open to the active region. The first layer has a cranked region at a distance from the through-opening and at least partially around the through-opening.
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.
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 μm. 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.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
B23K 26/0622 - Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
The present disclosure relates to a production system for producing at least one electrochemical system that comprises a stack consisting of a plurality of different components which are stacked one above the other along a stacking axis of the stack, with a height dimension of each component extending along the stacking axis where the production system allows the target height of the stack to be achieved in spite of the height tolerances of the different components.
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.
A separator plate for an electrochemical system and a bipolar plate comprising two such separator plates for an electrochemical system. An electrochemical system comprising at least two separator plates or one bipolar plate. A separator plate comprising a sealing bead for sealing off a region of the separator plate, the sealing bead having at least in sections a wavy course with at least two wave periods and a supporting bead for supporting the sealing bead. The supporting bead is spaced apart from the sealing bead and extends along the wavy course of the sealing bead. The supporting bead has a periodically changing, non-vanishing width with at least two periods, the width of the supporting bead being measured perpendicular to the direction of extension of the supporting bead and from a first outer bead foot to a second outer bead foot of the supporting bead.
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.
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
A separator plate for an electrochemical system. The separator plate comprising a first individual plate, a second individual plate, and a holding structure. The individual plates are spaced apart from each other in the region of the holding structure, so that the connector pin can be inserted into the holding structure. The holding structure has a clamping region and a receiving region. The clamping region can clamp the connector pin between its individual plates. The receiving region starts from the outer edge and is arranged upstream of the clamping region in the direction of insertion. At least in a non-compressed state of the separator plate, at least the first individual plate extends in a concave manner along the direction of insertion in the receiving region, so that an edge of the first individual plate is directed towards the separator plate plane in the receiving region.
H01M 8/0271 - Sealing or supporting means around electrodes, matrices or membranes
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
A bipolar plate and method for producing a bipolar plate for an electrochemical system, comprising a core layer, which comprises a steel material and a metal anti-corrosion layer that protects the core layer from corrosion. The anti-corrosion layer comprises a plurality of anti-corrosion layer coats that comprise a substantially identical anti-corrosion material and are arranged one on top of the other. A material density of the anti-corrosion material within an anti-corrosion layer coat has a gradient as the distance from the core layer increases.
A separator plate for an electrochemical system and a bipolar plate comprising two such separator plates for an electrochemical system. An electrochemical system comprising at least two separator plates and/or one bipolar plate. A separator plate comprising: at least one sealing bead for sealing off a region of the separator plate and at least one load relief bead which relieves load on the sealing bead, the load relief bead arranged spaced apart from the sealing bead, and, in a cross-section perpendicular to the course of the load relief bead, at least in a non-compressed state of the separator plate, at least one bead flank of the load relief bead comprises, in at least a first segment along the direction of extension, at least a first, outer portion and a second, inner portion which are at different positive angles to the separator plate plane.
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.
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.
09 - Scientific and electric apparatus and instruments
40 - Treatment of materials; recycling, air and water treatment,
42 - Scientific, technological and industrial services, research and design
Goods & Services
Electrolysis machines for generating gases. Fuel cells; Electrolysis equipment for the conversion of electrical energy into chemical energy; Flow batteries; Gaskets for Battery Housings; Heat Shields for High-voltage Batteries; Acoustical Shields for High-voltage Batteries; Acoustical Shields for Inverters; Compensation Plates for Prismatic and Pouch Battery Cells; Plates for fuel cells; Plates for the above electrolysis equipment; Frames for the above electrolysis equipment; Plates for batteries; Apparatus and instruments for accumulating electricity; Apparatus and instruments for transformation between electrical and chemical energy. Custom manufacture of fuel cells, electrolyzers and flow batteries including components of these goods for others; Custom manufacture of Gaskets for Battery Housings for others; Custom manufacture of Heat Shields and acoustical shields for High-voltage Batteries; Custom manufacture of Acoustical Shields for Inverters; Custom manufacture of Compensation Plates for Prismatic and Pouch Battery Cells. Scientific and technological services; Technological research; Scientific services and design relating thereto; Technological services and design relating thereto; Scientific research; Industrial analysis, industrial research and industrial design services; Technological consultancy; Product development; All the above services related to the following goods: Fuel cells, electrolyzers and other apparatus and instruments for the storage of electricity and/or for the conversion between electrical and chemical energy, flow batteries, gaskets for battery cases, heat shields for high voltage batteries, acoustic.
A separator plate for an electrochemical system comprising a first individual plate which comprises two first channels for conducting media which run next to one another and which are separated from one another at least in sections by a web formed between the first channels. The web comprising a lowered portion and a rear side of the base of the lowered portion is connected to a rear side of the base of the second channel in the contact zone of the individual plates via a welded connection. The welded connection comprises a first end region and a first curved portion, wherein the first curved portion runs, and is curved, in such a way that a virtual straight line running perpendicularly through the first end region intersects the welded connection at least two times.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
H01M 8/18 - Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
51.
SEPARATOR PLATE COMPRISING INDIVIDUAL PLATES WHICH ARE NESTED IN EACH OTHER
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.
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/18 - Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
52.
COVERING MEANS FOR A COMPONENT OF AN ELECTRICAL DRIVE SYSTEM, AND COMPONENT PROVIDED THEREWITH
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.
The present invention relates to a sealing layer for use in an electrolyser, a separator plate therefor, and an electrolyser. Electrolysers produce e.g. hydrogen and oxygen from water by applying a potential and can at the same time compress at least one of the produced gases.
A separator plate is disclosed for an electrochemical system. The plate comprises a multitude of mutually parallel and adjacent channels that are designed to guide a fluid at least along a region of the separator plate, wherein the channels each have a depth, a longitudinal extent, a channel base and two sidewalls, wherein the following conditions apply to at least one of the channels: the depth of the channel in a first region of the channel is essentially constant along the longitudinal extent, the channel base in the first region of the channel is essentially flat and the depth of the channel in a transition region of the channel that adjoins the first region decreases along the longitudinal extent, as a result of which a channel base continuation in the transition region is curved.
C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
H01M 8/0297 - Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/18 - Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
55.
COVERING FOR A COMPONENT OF AN ELECTRICAL DRIVE SYSTEM
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.
The present disclosure relates to a packaging arrangement comprising a base plate, at least one first bolt secured to the base plate and a multiplicity of separator plates for an electrochemical system, which are stacked on the base plate in a stacking direction so as to form a separator plate stack, wherein the first bolt is received in first cut-outs of the stacked separator plates, said first cut-outs being aligned in the stacking direction. The present disclosure further relates to a packaging system including a light-load carrier and two of the aforementioned packaging arrangements, and to a method for packaging separator plates for an electrochemical system.
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.
Gaskets and methods for manufacturing a gasket for sealing a gap in a housing, such as a battery housing, which gap extends at least partially around an interior of the housing, said gasket comprising at least one sealing layer. The sealing layer comprises at least two segments which are arranged adjacent to each other in the longitudinal direction of the sealing layer and are joined to each other at a joining region. The two segments have, at the joining region, intermeshing engagement elements joined to each other, and one or both of the segments has/have, at the joining region a positioning hole and a through-opening which are arranged behind the engagement element from the point of view of the respective other segment.
F16J 15/06 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
An assembly for an electrochemical system comprising a separator plate and a support element is disclosed. The separator plate is designed as a single layer and as a stack terminating plate. The electrochemical system may be a fuel cell system, an electrochemical compressor, an electrolyzer, a humidifier for an electrochemical system, or a redox flow battery.
H01M 8/0276 - Sealing means characterised by their form
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
60.
BIPOLAR PLATE FOR AN ELECTROCHEMICAL SYSTEM, AND ASSEMBLY OF SUCH BIPOLAR PLATES
A bipolar plate for an electrochemical system, comprising a first separator plate and a second separator plate. The first and the second separator plate each comprising: at least two through-openings, an active region, and a distribution or collection region with structures for guiding a reaction medium between one of the through-openings and the active region. The structures for guiding the reaction medium in the distribution or collection region comprise flow channels for the respective reaction medium, said flow channels being separated from each other by webs. Adjacent to the first through-opening, the separator plates bear directly against each other in a contact plane. The distribution or collection region of the first separator plate and/or the distribution or collection region of the second separator plate have at least one compensating region.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
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.
H01M 8/0263 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
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.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
H01M 8/0276 - Sealing means characterised by their form
A bipolar plate having an anode plate and a cathode plate and a contact surface between the two surfaces. In a transition region, at least one first groove ends and/or a second groove ends or at least one first groove merges into a second groove, wherein the grooves guide fluid. In at least one of the first grooves and second grooves, the groove base rises such that the distance of the groove base from the contact surface decreases.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
Electrochemical systems comprising separator plates and the separator plates comprising a first individual plate and a second individual plate. The individual plate comprising: an electrochemically active region, at least one through-opening and a sealing bead. Conveying channels adjoin a bead flank of the sealing bead and the conveying channels connecting the through-opening and the sealing bead interior. A plurality of first weld sections connecting the two individual plates and the first weld sections extend in the direction of the first conveying channels and arranged between the first conveying channels.
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
H01M 8/0263 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
The present disclosure relates to a separator plate for an electrochemical system. The electrochemical system may be, for example, a fuel cell system, an electrochemical compressor, or an electrolyzer.
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.
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.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
A separator plate for an electrochemical system, comprising a first and a second metal layer arranged with flat sides adjacent to each other. The first and the second metal layer each having at least one through-opening for supplying and/or discharging a fluid. Circumferential edges of the through-openings are formed at least in part by a half-bead. An open edge of the half-bead is angled so as to form a collar.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
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.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
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.
Systems and methods for one or more bipolar plate and a stack for an electrochemical system. The bipolar plate comprising a first individual plate and a second individual plate. The first individual plate has at least one first positioning opening with a first crimping. The second individual plate has at least one second positioning opening with a second crimping. The first positioning opening and the second positioning opening of the individual plates arranged in alignment with each other. The first crimping forms at least one first contact area for a first positioning pin and the second crimping forms at least one second contact area for the first positioning pin.
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.
H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
F28F 13/18 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflectingArrangements for modifying heat transfer, e.g. increasing, decreasing by surface treatment, e.g. polishing
A seal, in particular a gasket, for sealing with at least one sealing layer a gap in a housing that extends around an inner chamber of the housing. In particular, a frame seal which seals between a lower part and an upper part of the housing, for example a motor vehicle battery housing or a motor vehicle battery box housing.
F16J 15/02 - Sealings between relatively-stationary surfaces
H01M 50/262 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with fastening means, e.g. locks
H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
74.
Assembly for an electrochemical system, stack, and electrochemical system
An assembly for an electrochemical system, which comprises a first separator plate, a second separator plate, and a membrane electrode assembly arranged between the separator plates for forming an electrochemical cell between the separator plates. A stack comprising a plurality of such assemblies, and an electrochemical system comprising a plurality of such assemblies and/or a stack. The electrochemical system may be a fuel cell system, an electrochemical compressor, an electrolyzer, a redox flow battery, or a humidifier for an electrochemical system.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
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.
A bipolar plate for an electrochemical system. The bipolar plate comprising a first individual plate and a second individual plate which are joined together. Each individual plate comprising: an electrochemically active region, an outer edge, and a perimeter sealing element. The outer edge region spans between the edge of the perimeter sealing element and the outer edge. Some emobidments of the outer edges protrude out of a plate plane defined by the bipolar plate. A plurality of stiffening structures stiffening the outer edge region of the bipolar plate.
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.
H01M 50/249 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for aircraft or vehicles, e.g. cars or trains
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
78.
Assembly for an electrochemical system, stack, and electrochemical system
An assembly for an electrochemical system, comprising a separator plate with at least one layer and a membrane electrode assembly, MEA, the MEA having: an electrochemically active region, a frame-like reinforcing layer surrounding the electrochemically active region, and at least one tab for positioning the MEA relative to the separator plate and/or for fastening the MEA to the separator plate, wherein the layer has a first flat side and a second flat side opposite the first flat side, wherein the tab is connected at one side to the frame-like reinforcing layer and its free end is arranged on the side of the second flat side of the layer, wherein the frame-like reinforcing layer is arranged on the first flat side of the layer.
A plate assembly for an electrochemical system, comprising an end plate, a first separator plate which adjoins the end plate and which has a plate plane, a second separator plate which adjoins the first separator plate, the second separator plate having at least one media-guiding second through-opening, wherein an orthogonal projection of the second through-opening onto the first separator plate perpendicular to the plate plane defines a projection area, wherein the first separator plate has in the region of the projection area no through-opening or a first through-opening, the area of which is less than 20% of the area of the second through-opening.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/18 - Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
The present disclosure relates to a seal, such as a gasket, for sealing a gap in a housing, said gap extending around an inner chamber of the housing, and thus for sealing the inner chamber from an exterior of the housing, comprising at least one sealing layer. The present disclosure further relates to a frame seal that provides sealing between at least two components of the housing, for example a bottom part and a top part of the housing, for example of a motor vehicle battery housing or motor vehicle battery box housing.
The present disclosure relates to a seal for sealing an inner chamber of a housing from an exterior of the housing, comprising at least one sealing layer that has: at least two rigid sealing layer portions having a respective support element, wherein the rigid sealing layer portions are interconnected by a flexible sealing layer portion, which consists of or comprises at least in part an elastomer; and at least one sealing contour, which extends continuously over the different sealing layer portions, wherein the support elements each comprise, in an end region adjoining the flexible sealing layer portion, at least one through-opening, through which the elastomer of the flexible sealing layer portion extends, and the end region of each support element is coined in at least one first end-side coining region and is enclosed by the elastomer in the first end-side coining region at least in some regions.
H01M 50/231 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by the material of the casings or racks having a layered structure
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
F16J 15/06 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
83.
Bipolar plate, retention sample for a bipolar plate, system, and method for producing and testing a bipolar plate
The present disclosure relates to a bipolar plate for an electrochemical system, comprising two separator plates which are connected to one another, at least one of the separator plates having a plate body and at least one tab which is formed in one piece with the plate body and can be separated from the plate body via a predetermined breaking point. The disclosure additionally relates to a retention sample for a bipolar plate or flow plate, to a flow plate, to a system, and to a method for producing and testing a bipolar plate or flow plate.
The invention relates to a separator plate for an electrochemical system, comprising a first and a second plate, which are essentially congruently arranged on top of one another. The first and/or second plates furthermore include at least one elongated projection, which protrudes on opposite sides from a plate plane of the separator plate and extends along the plate plane from an outer edge to an interior of the separator plate so that the projection of the first plate and/or the projection of the second plate, if necessary together, form a receptacle for a connector pin. The projection of the first plate or the projection of the second plate includes an indentation directed toward the respective opposite plate for fixing the connector pin in the receptacle in a force-fit and/or form-locked manner.
H01M 8/0254 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form corrugated or undulated
H01M 8/0256 - Vias, i.e. connectors passing through the separator material
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
H01M 8/0271 - Sealing or supporting means around electrodes, matrices or membranes
85.
Plate-like fluid container and battery temperature-control assembly
The present disclosure relates to a plate-like fluid container for the temperature control of an accumulator device for electrical energy or of an electrical consumer, for example in a motor vehicle, having two layers contacting one another at least regionally, an inlet for pouring a fluid into the fluid container, an outlet for discharging the fluid from the fluid container, and a fluid channel system arranged between the layers that connects the inlet to the outlet and is configured to be flowed through by the fluid during the temperature control, wherein a spacing of at least two first channel sections of the fluid channel system extending parallel to one another is larger in a first region of the fluid channel system disposed upstream than a spacing of at least two second channel sections of the fluid channel system extending parallel to one another in a second region of the fluid channel system disposed downstream to improve the temperature control performance of plate-like fluid containers for temperature control.
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.
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
H01M 8/0256 - Vias, i.e. connectors passing through the separator material
H01M 8/0265 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
H01M 8/2432 - Grouping of unit cells of planar configuration
87.
Sealing arrangement, plate assembly, electrochemical system, and method for producing a sealing arrangement
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.
The present document relates to a cell for an electrochemical system, comprising two separator plates, a membrane electrode assembly (MEA) arranged between the separator plates, and at least one flexible electrical cable for tapping off an electrical voltage. The separator plates, the MEA and the cable can be compressed with one another, the flexible cable has a first end portion and a second end portion, the first end portion is arranged for fastening between the separator plates, and the second end portion protrudes laterally from the cell.
H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
H01M 8/0202 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors
H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
H01M 8/242 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
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.
The present disclosure relates to a separator plate for an electrochemical system, comprising: a flow field for conducting a medium along a planar face of the separator plate; at least one positioning opening; and one projection and one collar per positioning opening, wherein the projection and the collar wrap around the positioning opening and wherein the collar adjoins the positioning opening and the projection. The present disclosure further relates to a bipolar plate and to production methods for the separator plate and the bipolar plate.
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
H01M 8/0267 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors having heating or cooling means, e.g. heaters or coolant flow channels
H01M 8/0247 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the form
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.
A cylinder head gasket is disclosed having a carrier layer, in which at least one through-opening for a combustion chamber is located, and a combustion chamber sealing element, which is inserted in the through-opening and extends in an intrinsically closed manner. In some examples, at least one gap is formed at least in some sections between the carrier layer and the combustion chamber sealing element, the gap extending around the combustion chamber sealing element at least in some sections. Further, in some example, the carrier layer has at least one slot-like or groove-like channel, which extends from the at least one gap between the carrier layer and the combustion chamber sealing element to the outer edge of the carrier layer.
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 μm. 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.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
B23K 26/0622 - Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
A separator plate arrangement for an electrochemical system, comprising a first metal sheet and a second metal sheet. The first metal sheet has a first circumferential sealing structure for sealing off an electrochemically active region, a first cutout arranged outside of the first circumferential sealing structure, and a first embossed structure arranged outside of the first circumferential sealing structure. The second metal sheet has a second circumferential sealing structure for sealing off an electrochemically active region, a second cutout arranged outside of the second circumferential sealing structure, and a second embossed structure arranged outside of the second circumferential sealing structure.
The invention relates to a separator plate for an electrochemical system, comprising: at least one first through-opening for conducting a reaction medium through the separator plate; an active region having structures for guiding a reactor medium along a flat side of the separator plate; and a first sealing structure, surrounding the first through-opening, for sealing the first through-opening. The first sealing structure has a first passage for conducting a reaction medium through the first sealing structure, which passage points in a direction facing away from the active region. The invention also relates to a bipolar plate for an electrochemical system, which bipolar plate comprises the described separator plate.
H01M 8/026 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
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.
H01M 50/289 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs
H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
C25B 9/75 - Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
H01M 8/028 - Sealing means characterised by their material
H01M 8/242 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
H01M 8/248 - Means for compression of the fuel cell stacks
A humidifier having a multiplicity of metallic flow plates and a multiplicity of water transfer membranes, in particular for humidifying process gas for an electrochemical system or for HVAC applications is described. The humidifier has a construction in which the metallic flow plates and the water transfer membranes are arranged such that in each case at most one of the single-layer flow plates is arranged between adjacent water transfer membranes of the stack; and at least one of the water transfer membranes is in each case accommodated in a sealing manner, in particular clamped in a sealing manner, between the mutually facing sealing lines of adjacent flow plates of the stack. The humidifier has lower production costs, greater efficiency and lower weight.
F24F 6/04 - Air-humidification by evaporation of water in the air using stationary unheated wet elements
F24F 13/08 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
98.
Separator plate arrangement for an electrochemical system
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.
H01M 8/0228 - Composites in the form of layered or coated products
H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
An electrochemical system having two metallic separator plates, an electrochemical cell arranged between the separator plates and sealed by at least one sealing element, and fixing elements for fixing the separator plates. The fixing elements comprise at least two fixing elements which are designed as integral with the first or with the second separator plate, which differ from the at least one sealing element, are spaced apart from the at least one sealing element parallel to the plate planes of the separator plates, and project at least in sections beyond the plate planes of the separator plates in a stacking direction. The first fixing element is thereby supported on the second fixing element in such a way that the second fixing element prevents a displacement of the first separator plate relative to the second separator plate.
A cylinder head gasket with a carrier layer and at least one inserted sealing element, wherein the inserted sealing element has a passage opening for combustion gas, the inserted sealing element is fastened on the carrier layer on an outer side which is spaced apart from the passage opening, and the inserted sealing element has at least a first layer and at least one further layer. An engine component comprising the cylinder head gasket is disclosed, the engine component having an engine block unit, a cylinder sleeve unit which delimits the engine block unit at least in regions from a combustion chamber, and a cylinder head unit, wherein the cylinder head gasket is arranged between the cylinder head unit on one hand and the engine block unit and the cylinder sleeve unit on the other hand.
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/01 - Layered products essentially comprising metal all layers being exclusively metallic
F16J 15/08 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
F16J 15/10 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
F16J 15/12 - Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
