EP3853932A1 - Elektrodenträgervorrichtung zu einer stützung einer elektrodeneinheit - Google Patents
Elektrodenträgervorrichtung zu einer stützung einer elektrodeneinheitInfo
- Publication number
- EP3853932A1 EP3853932A1 EP19772702.7A EP19772702A EP3853932A1 EP 3853932 A1 EP3853932 A1 EP 3853932A1 EP 19772702 A EP19772702 A EP 19772702A EP 3853932 A1 EP3853932 A1 EP 3853932A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrode
- unit
- carrier device
- contact surface
- electrode carrier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/63—Holders for electrodes; Positioning of the electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/242—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes comprising framed electrodes or intermediary frame-like gaskets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- Electrode support device for supporting an electrode unit
- An electrode support device for supporting an electrode unit of a fuel cell and / or electrolyzer unit, in particular a solid oxide fuel cell unit, with at least one electrode contact surface for the electrode unit has already been proposed.
- the invention is based on an electrode carrier device for supporting an electrode unit of a fuel cell and / or electrolyzer unit, in particular a solid oxide fuel cell unit, with at least one electrode contact surface for the electrode unit.
- the electrode carrier device comprises at least one form-fitting unit arranged on the electrode contact surface for fixing the electrode unit to the electrode contact surface.
- a “fuel cell and / or electrolyzer unit” is to be understood in particular to mean at least a part, in particular a subassembly, a fuel cell, in particular a solid oxide fuel, and / or an electrolyzer, in particular a high-temperature electrolyzer.
- the fuel cell and / or electrolyser unit can also the entire fuel cell, in particular the entire solid oxide fuel cell, the entire electrolyzer, in particular the entire high-temperature electrolyzer, a stack of fuel cells and / or electrolyzers and / or a combination of several stacks of fuel cells and / or electrolyzers include.
- the fuel cell and / or electrolyzer unit is provided to burn a fuel with the supply of an oxidant in a combustion process to produce electrical energy.
- the fuel cell and / or electrolyser unit is intended to split a fluid into at least two components in a separation process while supplying electrical energy.
- Provided is to be understood in particular to be specially designed, specially designed and / or specially equipped.
- the fact that an object is provided for a specific function should in particular be understood to mean that the object fulfills and / or carries out this specific function in at least one application and / or operating state.
- Electrode unit of a fuel cell and / or electrolyser unit should preferably be understood to mean a unit which comprises at least one electrode, in particular an electrode layer, which is directly connected to the combustion process and / or separation process carried out by means of the fuel cell and / or electrolyser unit is involved.
- the electrode unit preferably comprises, in particular in addition to the electrode, at least one further electrode, in particular a further electrode layer.
- the electrode and the further electrode are provided for use as a pair of cathodes and anodes.
- the electrode unit preferably comprises at least one separating element, in particular an electrolyte layer. The separating element is preferably arranged between the electrode and the further electrode.
- the electrode and / or the further electrode is preferably designed as an oxidant electrode, in particular for contact with the oxidant and / or a fission product. At least the electrode and / or the further electrode is preferably designed as a fuel electrode, in particular for contact with the fuel and / or a further fission product. In particular, the electrode unit is designed as a membrane electrode assembly (MEA).
- MEA membrane electrode assembly
- the electrode carrier device is preferably provided for mechanical and / or thermal stabilization of the electrode unit.
- a maximum extension of the electrode contact surface is larger than a maximum extension of the electrode unit.
- a maximum The circumference of the electrode contact surface is larger than a maximum circumference of the electrode unit.
- the electrode carrier device preferably has a maximum extension at least in a direction perpendicular to the electrode contact surface, which is greater than, preferably more than twice as large as, particularly preferably more than five times as large as, a maximum extension of the electrode unit in one to the electrode contact surface vertical direction in a state of the electrode unit arranged, in particular fixed, on the electrode carrier device.
- the electrode carrier device preferably comprises at least one base body.
- the electrode contact surface is formed at least as a partial area of a surface, in particular a largest outer surface, of the base body.
- the electrode carrier device, in particular the base body is flat.
- the electrode carrier device, in particular the base body has a maximum extension at least in a direction perpendicular to the electrode contact surface, in particular to the largest outer surface, which is smaller than a maximum extension, before less than 1/10 of a maximum extension, particularly preferably less than 1/30 of a maximum extent, the electrode contact surface.
- a greatest radius of curvature of a curvature of the largest outer surface, in particular the electrode contact surface is greater than, in particular more than three times as large as, particularly preferably more than five times as large as, the maximum extent of largest outer surface, especially the electrode contact surface.
- the base body is preferably designed as a film, as a disk, as a fabric, as a plate or the like.
- the maximum extent of the electrode carrier device, in particular of the base body, in the direction perpendicular to the electrode contact surface, in particular the largest outer surface is at least less than 1 mm, preferably less than 750 pm, particularly preferably less than 500 pm.
- the electrode carrier device in particular the base body, is preferably made at least essentially from at least one metal.
- the fact that an object is “essentially made of one material” is to be understood in particular to mean that a volume fraction of the material in a total volume lumen of the object is more than 25%, preferably more than 50%, particularly preferably more than 75%.
- the electrode carrier device, in particular the base body is at least essentially made of a ceramic and / or a plastic.
- the electrode carrier device is at least essentially made of a high-temperature stable material, in particular special metal.
- “High temperature stable” is to be understood in particular to be dimensionally stable and / or chemically resistant up to temperatures of at least 500 ° C., preferably up to temperatures of at least 850 ° C., particularly preferably up to temperatures of at least 1200 ° C. It is conceivable that the electrode carrier device comprises components which are made of a ceramic, a plastic or another material, for example for an electrically and / or thermally insulated fixing of the electrode carrier device and / or individual components of the electrode carrier.
- the form-fit unit in particular at least one form-fit element of the form-fit unit, is preferably provided to establish a form-fit or a form-fit and force-fit connection with the electrode unit, in particular with a form-fit element of the electrode unit complementary to the form-fit element.
- the interlocking unit is provided to additionally secure an existing non-positive and / or material connection between the electrode carrier device and the electrode unit.
- the interlocking unit is preferably provided to establish a positive or a positive and non-positive connection in a direction substantially parallel to the electrode contact surface between the electrode carrier device and the electrode unit.
- the form-fit unit preferably comprises at least one form-fit element, preferably a plurality of form-fit elements.
- the interlocking unit comprises at least one interlocking element shaped as a knob, as a web, as a hook, as a pin, as a cone, as a groove, as an eyelet, as a lamella, as a bulge, as a bezel, as a groove, as a collar or the like.
- At least two form-locking elements preferably at least at least a plurality of the interlocking elements, at least essentially of identical construction. “Essentially identical in construction” is to be understood in particular except for manufacturing tolerances.
- the positive-locking unit comprises at least two differently designed positive-locking elements.
- At least one form-fit element, preferably a plurality of the form-fit elements, of the form-fit unit is preferably arranged on the electrode contact surface.
- at least one form-fitting element, preferably a plurality of the form-fitting elements, of the form-fitting unit is fixed to the base body of the electrode carrier device.
- the inventive configuration of the electrode carrier device allows an advantageously secure fixation of the electrode unit to the electrode carrier device to be achieved.
- a non-positive and / or integral connection, for example produced by sintering, of the electrode unit to the electrode carrier device can be additionally secured.
- the electrode carrier device can advantageously be quickly heated, in particular heated, in a state in which the unit is positively connected to the electrode unit.
- detachment, in particular delamination, of the electrode unit from the electrode carrier device can advantageously be prevented with a, in particular rapid, tempering.
- At least one interlocking element of the interlocking unit is formed in one piece with the electrode contact surface.
- the positive locking unit is at least partially, preferably at least essentially, integrally formed with the electrode contact surface, in particular with the base body of the electrode carrier device.
- One-piece should in particular be understood to mean at least cohesively connected, for example by means of a welding process, an adhesive process, an injection molding process and / or another process which appears useful to the person skilled in the art, and / or is advantageously understood to be formed in one piece, such as for example, by manufacturing from a cast and / or by a position in a one- or multi-component injection molding process and advantageously from a single blank.
- At least one form-locking element is preferably designed as a production element of a, in particular selective, material removal process from the electrode contact surface, for example a cutting process, a machining process, an etching process or the like. forms.
- at least one form-locking element is designed as a manufacturing element of a material application process on the electrode contact surface, for example a welding process, an adhesive process, an injection molding process or the like. It is also conceivable that the positive-locking unit is designed as a layer that is applied to the electrode contact surface.
- the interlocking unit is “essentially in one piece” with an object is to be understood in particular to mean that at least a plurality of the interlocking elements, preferably all interlocking elements, of the interlocking unit is formed in one piece with the object.
- the form-fit unit has at least one component, in particular a form-fit element, for example a locking element, a screw element, a plug element, a closure element or the like, which is designed independently.
- the electrode carrier device advantageously has a few individual parts. In particular, an application of the electrode unit to the electrode carrier device, in particular a fixation with the form-fitting unit, can be carried out in a simple manner.
- the electrode carrier device preferably comprises at least one fluid channel.
- the electrode carrier device preferably comprises a plurality of, in particular at least essentially identical, fluid channels. At least one fluid channel of the electrode carrier device is preferably let into the base body of the electrode carrier device.
- An outlet opening of at least one fluid channel of the electrode carrier device is preferably arranged on the electrode contact surface. Preferably, the electrode contact surface completely surrounds the outlet opening of the at least one fluid channel.
- the electrode contact surface preferably has at least one fluid channel region. The outlet opening of the at least one fluid channel is preferably arranged in the fluid channel region.
- the fluid channel region preferably completely surrounds the outlet opening of the at least one fluid channel.
- the plurality of outlet openings and / or all outlet openings of all fluid channels is / are arranged in the fluid channel region at regular and / or irregular distances from one another.
- the fluid channel region is preferably formed contiguously. It is also conceivable that the electrode contact surface has a plurality of fluid channel regions which are arranged at a distance from one another.
- a “fluid channel-free partial area” is to be understood in particular to mean a partial area of the electrode contact surface, in which each point belonging to the partial area is at least a minimum distance from the outlet opening of a fluid channel, in particular all fluid channels. The minimum distance is preferably greater than a maximum extent of the, in particular largest, exit opening.
- the minimum distance is preferably greater than a minimum and / or maximum distance between two, in particular adjacent, exit openings.
- the fluid channel region is preferably at least substantially completely enclosed by the fluid channel-free sub-region and / or a plurality of fluid channel-free sub-regions.
- “essentially completely enclosed” is to be understood in particular to mean that at least 50%, preferably more than 75%, particularly preferably more than 95%, of a maximum circumference of the fluid channel region, at least one, in particular the, fluid-free partial area richly bordered.
- the fluid channel region is arranged at a distance from an outer boundary of the electrode contact surface.
- the fluid channel-free partial area forms an edge area between the fluid channels and the outer boundary of the electrode contact surface.
- the fluid channel-free partial area is provided for applying, in particular fixing, the separating element of the electrode unit.
- At least one form-fitting element preferably a plurality of form-fitting elements, is preferably arranged in the fluid-channel-free partial area.
- at least one form-locking element is arranged at least on a substantial portion of the fluid channel-free partial area.
- “Substantial portion” of an area should preferably be understood to mean at least 10%, preferably at least 30%, particularly preferably more than 50%, of an area of the area.
- a fluid-technical seal of the fluid channel area of the electrode contact surface can be advantageously secured by the electrode unit due to the configuration according to the invention.
- At least one form-fit element of the form-fit unit is arranged in a fluid channel area of the electrode contact surface.
- at least one form-locking element is arranged between at least two fluid channels.
- differently shaped and / or at least essentially identical positive locking elements are arranged in the fluid channel region and in the fluid channel-free partial region.
- the at least one form-locking element is designed without undercuts, in particular to enable inexpensive production of the form-locking element.
- at least one form-locking element is arranged on at least a substantial portion of the total electrode contact surface.
- the fluid channel region comprises at least one excellent support point for attaching a form-locking element.
- a, in particular otherwise regular, arrangement of the exit openings is interrupted at the excellent support point.
- the fluid channel area comprises several excellent support points at regular and / or irregular intervals. Due to the design according to the invention, the electrode unit can advantageously be securely fixed to the electrical rod carrier device. In particular, partial detachment of the electrode carrier device can advantageously be avoided.
- At least one form-fit element of the form-fit unit has an undercut.
- a profile of the interlocking element has an undercut in at least one cutting plane that is at least substantially perpendicular to the electrode contact surface.
- the expression “essentially perpendicular” is intended here to define in particular an orientation of a direction relative to a reference direction, the direction and the reference direction, viewed in particular in one plane, enclosing an angle of 90 ° and the angle a maximum deviation from in particular less than 8 °, advantageously less than 5 ° and particularly advantageously smaller than 2 °.
- the form-locking element in a cutting plane parallel to the electrode contact surface has a cutting surface with a surface area that is larger than a surface area of a further cutting surface in a further cutting plane parallel to the electrode contact surface, which is closer to a side of the electrode carrier device, in particular of the base body, that faces away from the electrode contact surface is arranged as the cutting plane.
- the form-locking element is preferably designed to taper in the direction of the side facing away from the electrode contact surface.
- the form-fitting element has a shoulder, in particular a T-shaped profile. Due to the configuration according to the invention, a Positive locking in a direction at least essentially parallel to the electrode contact surface can advantageously be reliably designed. In particular, an additional positive connection can be achieved in a direction that is at least substantially perpendicular and / or transverse to the electrode contact surface.
- the form-fitting unit has at least one form-fitting element designed as a micro tooth for interlocking with the electrode unit.
- a “micro tooth” is to be understood in particular as a tooth-shaped form-locking element in which a smallest, rectangular cuboid, which completely surrounds the tooth-shaped form-locking element, has at least one, preferably two, particularly preferably three characteristic edge lengths which lie in a micrometer range. in particular at least less than 3 mm, preferably less than 500 pm, particularly preferably less than 100 pm and / or preferably at least greater than 500 nm, before are greater than 1 pm.
- a “tooth-shaped interlocking element” is to be understood in particular to mean a structural element which has at least one tooth flank, preferably two tooth flanks, in particular to form a positive connection in a direction at least substantially perpendicular to the tooth flank.
- the tooth flanks are preferably designed and / or arranged symmetrically with respect to a plane that is at least substantially perpendicular to the electrode contact surface. But it is also conceivable that the tooth flanks are designed differently. For example, in a plane at least substantially perpendicular to the electrode contact surface, the micro tooth has a rectangular, a trapezoidal, a triangular and / or a parabolic profile.
- the micro tooth is rotationally symmetrical and / or rotationally symmetrical with respect to a symmetry axis.
- the micro tooth is designed as a web, with a maximum extension of the web being greater than a maximum extension of the profile.
- the electrode unit preferably has a further, in particular analog and / or complementary, form-locking element, in particular a further micro tooth, for toothing with the micro tooth. Due to the inventive design, the positive locking unit can advantageously be made flat. In particular, the electrode carrier device can advantageously be made compact. In particular, the interlocking unit advantageously does little to restrict the design of the electrode contact surface, in particular the fluid channel area. In particular, the provision of excellent Neten support points for an arrangement of the positive locking unit, in particular the positive locking element.
- the form-fit unit have a plurality of form-fit elements designed as micro-teeth for interlocking with the electrode unit.
- the micro teeth are preferably arranged at regular intervals on the electrode contact surface.
- micro teeth designed as webs are arranged at least substantially parallel to one another.
- the micro teeth are distributed irregularly on the electrode contact surface.
- the form-fit unit comprises at least two differently designed micro teeth.
- different micro teeth are arranged in different areas of the electrode contact surface, for example in the fluid channel area and / or in the fluid channel-free area.
- the electrode contact surface has at least two at least partially overlapping partial areas in which the at least two different micro teeth are arranged.
- the fluid channel-free partial area, the fluid channel area and / or the entire electrode contact surface is equipped with micro teeth.
- an advantageously large partial area of the electrode contact surface can be provided with micro teeth.
- the interlocking unit can have an advantageously high effective effective area.
- a form-locking or positive and non-positive connection can be achieved between the electrode unit and the electrode carrier device.
- the invention further proceeds from a method for producing a fuel cell and / or electrolyzer unit, in particular a solid oxide fuel cell unit, the fuel cell and / or the electrolyzer unit including at least one electrode unit and at least one electrode carrier device, in particular an electrode carrier device according to the invention a support for the electrode unit.
- the electrode unit is at least positively connected to the electrode carrier device.
- the electrode carrier device is preferably produced in at least one electrode carrier production step.
- the electrode carrier manufacturing step at least one base body, in particular a metal sheet, which structures the electrode carrier device.
- at least one fluid channel is let into the base body in the electrode carrier production step.
- the at least one fluid channel is preferably let into the base body of the electrode carrier device by a reshaping process, in particular by means of stamping, embossing, milling, laser drilling, laser cutting or the like.
- the form-locking unit of the electrode carrier device is arranged on the electrode contact surface, in particular shaped.
- the electrode unit of the electrode unit is preferably produced, in particular at least preformed, in at least one electrode production step.
- at least one blank, a compact, a green compact, a white compact, or the like is preferably produced by the electrode unit.
- the electrode unit is preferably produced on a transport element.
- The, in particular preformed, electrode unit is preferably applied to the electrode carrier device in at least one merging step.
- the electrode unit is produced directly on the electrode carrier device, in particular in layers.
- the electrode unit is transferred from a preformed state, in particular by sintering and / or by curing, to a final state in at least one method step after being applied to the electrode carrier device.
- the electrode unit is preferably connected to the electrode carrier device in a form-fitting or form-fitting and non-positive manner in the merging step and / or during direct production on the electrode carrier device.
- the electrode unit is preferably connected to the electrode carrier direction in a positive or non-positive manner in a direction at least substantially parallel to the electrode contact surface.
- the electrode unit is connected to the electrode carrier device in a pre-shaped state in a form-fitting manner or in a form-fitting and force-fitting manner.
- the device can be achieved before fixation of the electrode unit to the electrode carrier device.
- a non-positive and / or integral connection of the electrode unit to the electrode carrier device for example produced by sintering, can be additionally secured.
- the electrode carrier device can form-fit with the electrode unit connected state advantageously tempered quickly, in particular heated. In particular, process times can advantageously be kept short.
- At least one form-fit element of a form-fit unit of the electrode carrier device is formed on the electrode contact surface of the electrode carrier device, in particular by a material removal process and / or by a material application process.
- the positive locking unit is manufactured during the electrode carrier production step.
- the at least one interlocking element of the interlocking unit is produced during the electrode carrier production step.
- the form-locking element is preferably arranged on the electrode contact surface.
- the interlocking element is formed on the electrode contact surface.
- the form-locking element is preferably formed by at least one, in particular selective, material removal process, for example by a machining process, by a laser cutting and / or drilling process, by an etching process or the like.
- Material is preferably removed in at least one method step from the base body of the electrode carrier device to form the interlocking element.
- material is removed from the electrode contact surface to form the form-locking element.
- material is applied to the base body, in particular to the electrode contact surface, in at least one method step, in particular for forming at least one form-locking element, for example by means of a welding process, an adhesive process and / or an injection molding process, preferably by using an additive manufacturing method .
- the configuration according to the invention enables an advantageously compact fuel cell and / or electrolyzer unit to be produced.
- a shape of the electrode unit is adapted to at least one form-fit element of a form-fit unit of the electrode carrier device.
- a further positive locking element which is analogous or complementary to the positive locking element, is attached to the electrode unit, in particular to the separating element. forms.
- the electrode unit is preferably applied to the electrode contact surface, in particular in a pre-shaped state.
- the electrode unit is arranged on the form-locking element.
- the electrode unit is preferably pressed onto the form-locking element, in particular for a plastic deformation of the electrode unit by the form-locking element.
- the electrode unit is laminated onto the interlocking element.
- the electrode unit is applied directly to the interlocking element, for example using a screen printing method, a spraying process, a gas phase deposition method or the like.
- at least one form-locking element of the electrode unit corresponding to the form-locking element is at least preformed and / or finished before the electrode unit is applied to the electrode contact surface.
- a positive-locking element of the electrode unit that corresponds to the positive-locking element can advantageously be designed to complement the positive-locking element.
- the corresponding form element can advantageously be manufactured to fit precisely.
- the corresponding interlocking element can advantageously be produced in a simple manner. In particular, control of the manufacturing accuracy can be dispensed with.
- a dimensioning of at least one form-fit element of a form-fit unit of the electrode carrier device is adapted to a particle size of the electrode unit.
- the electrode unit is preferably preformed from at least one granulate, and in particular a binder, and / or a paste, which in particular has special grains.
- a “particle size of the electrode unit” is preferably to be understood as an average maximum extent of individual grains of the paste and / or the granulate, in particular from which the electrode unit is preformed.
- the form-locking element is preferably shaped such that at least one, in particular a characteristic edge length of at least substantially perpendicular to the electrode contact surface of a smallest cuboid completely surrounding the form-fitting element is larger than the particle size of the electrode unit.
- two directly adjacent form-locking elements with a minimum distance from each other that is larger than the particle size of the electrical the unit.
- the configuration according to the invention enables an advantageously reliable distribution of the electrode unit, in particular the grains of the electrode unit, to, around and between the interlocking elements.
- a form-fit element of the electrode unit corresponding to the form-fit element can advantageously be adapted precisely to a shape of the form-fit element.
- the formation of cavities can advantageously be kept low.
- the at least one form-fit element of the form-fit unit of the electrode carrier device is created by means of laser texturing or by means of an additive production step, such as for example by means of a powder bed method step, a free space method step, a liquid material method step or the like.
- the form-fit unit, in particular the at least one form-fit element is preferably produced by laser machining of the electrode contact surface.
- the electrode contact surface is textured by means of laser processing.
- regular and / or irregular structures for forming positive locking elements are introduced into the electrode contact surface.
- At least one interlocking element is formed by an etching process and / or a machining process, in particular a drilling process, a milling process and / or a filing process.
- the configuration according to the invention advantageously enables precise, advantageously regularly arranged and / or advantageously small form-locking elements to be realized.
- a fuel cell and / or electrolyzer unit which is produced by a method according to the invention and / or comprises an electrode carrier device according to the invention.
- the fuel cell and / or electrolyzer unit is preferably designed as a meta II-based fuel cell and / or electrolyzer unit.
- the configuration according to the invention makes it possible to provide a fuel cell and / or electrolyzer unit which has an advantageously secure mechanical connection between the electrode unit and the electrode carrier device.
- a fuel cell and / or electrolyser unit can be provided which has an advantageously high tolerance against temperature gradients and / or thermomechanical voltages.
- the fuel cell len- and / or electrolyser unit are advantageously quickly tempered, especially heated, non-destructively.
- the fuel cell and / or electrolyzer unit has an advantageously long service life.
- the electrode carrier device according to the invention, the method according to the invention and / or the fuel cell and / or electrolyzer unit according to the invention should / should not be limited to the above-described application and embodiment.
- the electrode carrier device according to the invention, the method according to the invention and / or the fuel cell and / or electrolyser unit according to the invention can have a number that differs from a number of individual elements, components and units as well as method steps to fulfill a function described herein .
- values lying within the stated limits are also to be considered disclosed and can be used as desired.
- Fig. 1 is a schematic representation of an inventive
- FIG. 2 is a schematic representation of an electric rod carrier device according to the invention
- FIG. 3 shows a schematic illustration of a form-locking element of the electrode carrier device according to the invention
- Fig. 4 is a schematic representation of a further positive connection
- Fig. 5 is a schematic representation of additional form-locking elements of the electrode carrier device according to the invention
- Fig. 6 is a schematic representation of another form
- Fig. 7 is a schematic representation of a method according to the invention.
- FIG. 1 shows a fuel cell and / or electrolyzer unit 14.
- the fuel cell and / or electrolyzer unit 14 is manufactured using a method 38 (see FIG. 7).
- the fuel cell and / or electrolyser unit 14 comprises an electrode carrier device 10.
- the fuel cell and / or electrolyser unit 14 preferably comprises at least one electrode unit 12.
- the fuel cell and / or electrolyser unit 14 is preferably designed as a, in particular metal-supported, solid oxide fuel cell unit.
- the electrode unit 12 preferably comprises at least one electrode 40.
- the electrode unit 12 preferably comprises at least one further electrode 42.
- the electrode 40 and / or the further electrode 42 are preferably each formed as an electrode layer.
- electrode 40 is formed from an oxidant electrode material.
- the further electrode 42 is preferably formed from a fuel electrode material. However, it is also conceivable for the electrode 40 to be formed from a fuel electrode material and / or the further electrode 42 from an oxidant electrode material.
- the electrode unit 12 preferably comprises at least one separating element 44, in particular a separating layer.
- the separating element 44 is preferably formed as an electrolyte layer.
- the separating element 44 is preferably arranged between the electrode 40 and the further electrode 42.
- the electric den unit 12 is preferably arranged on the electrode carrier device 10.
- the electrode carrier device 10 is provided to support the electrode unit 12 of the fuel cell and / or electrolyzer unit 14.
- the electrode carrier device 10 comprises at least one electrode contact surface 16 for the electrode unit 12.
- the electrode contact surface 16 bears against the electrode unit 12.
- the electrode carrier device 10 preferably comprises at least one, in particular flat, base body 46.
- the base body 46 is preferably designed as a film, disk and / or plate, in particular as a metal sheet.
- the electrode carrier device 10 preferably comprises at least one fluid channel 48.
- the electrode carrier device 10 preferably comprises a plurality of further fluid channels, in particular analogously to the fluid channel 48, which are formed analogously and in particular are arranged at least substantially in parallel.
- the fluid channel 48 is preferably let into the base body 46.
- the fluid channel 48 breaks through the base body 46. At least one outlet opening 50 of the fluid channel 48 preferably opens into the electrode contact surface 16. Preferably, the electrode contact surface 16 completely surrounds the outlet opening 50 in at least one plane.
- the electrode contact surface 16 has at least one fluid channel region 34.
- the fluid channel 48 is in particular re, and in particular all further fluid channels of the electrode carrier device 10 are arranged in the fluid channel region 34.
- the electrode contact surface 16 comprises at least one partial area 32 free of the fluid channel.
- the further electrode unit 12 preferably abuts the fluid channel area 34.
- the separating element 44 preferably lies against the fluid-channel-free partial area 32. In particular, the fluid channel-free part 32 completely encloses the fluid channel region 34 at least in one plane.
- the electrode carrier device 10 preferably comprises at least one fluid space closure element 51.
- the fluid space closure element 51 is designed as a metal sheet.
- the fluid space closure element 51 is arranged on the base body 46, in particular on an outer side of the base body 46 facing away from the electrode contact surface 16.
- the fluid space closure element 51 and the base body form a fluid space 53 for distributing a fluid, in particular an oxidant and / or a fuel, to the fluid channel 48 and / or to further fluid channels.
- FIG. 2 shows a detailed view of the electrode carrier device 10.
- the electrode carrier device 10 comprises at least one form-fit unit 18.
- the form-fit unit 18 is arranged on the electrode contact surface 16.
- the Positive locking unit 18 is provided for fixing the electrode unit 12 to the electrode contact surface 16.
- the form-fit unit 18 preferably comprises at least one form-fit element 20, 22, 24, 26, 28, 30.
- FIGS. 3 to 6 show a detailed view of the form-fit elements 22, 24, 26, 28, 30.
- the interlocking unit 18 has at least one interlocking element 20, 22, 24, 26, 28, 30 designed as a micro tooth for interlocking with the electrode unit 12.
- the interlocking unit 18 comprises a plurality of interlocking elements 20, 22, 24, 26, 28, 30 designed as a micro tooth to interlock with the electrode unit 12.
- the interlocking elements 20, 22, 24, 26, 28, 30 of the interlocking unit 18 are in one piece formed with the electrode contact surface 16.
- the positive locking elements 20, 22, 24, 26, 28, 30 are formed in one piece with the base body 46.
- the form-fit unit 18 preferably has at least the trapezoidal form-fit element 20.
- the trapezoidal form-locking element 20 has a trapezoidal profile in at least one sectional plane that is at least essentially perpendicular to the electrode contact surface 16.
- the trapezoidal form-locking element 20 has a rectangular and / or trapezoidal profile in a further sectional plane that is at least substantially perpendicular to the sectional plane and the electrode contact surface 16.
- the trapezoidal form-locking element 20 is designed as a truncated cone, truncated pyramid and / or as a trapezoidal web.
- the trapezoidal positive locking element 20 of the positive locking unit 18 has an undercut 36.
- the longer characteristic trapezoidal side forms the electrode contact surface 16.
- the shorter characteristic trapezoidal side is arranged facing away from the electrode contact surface 16.
- the form-fit unit 18 preferably comprises at least the cuboid form-fit element 22 (see FIG. 3).
- the form-fitting unit 18 preferably comprises at least the cylindrical form-fitting element 24 (see FIG. 4).
- the form-fit unit 18 preferably comprises at least the conical form-fit element 26 (see FIG. 5).
- the form-fitting unit 18 preferably comprises at least the pyramid-shaped form-fitting element 26 (see FIG. 5).
- the form-fit unit 18 preferably comprises at least the further pyramid-shaped form-fit element 30 (see FIG. 6).
- the form-fit unit 18 preferably has a plurality of form-fit elements that are at least essentially identical. It is conceivable that the form-fitting unit 18 has only one type of form-fitting elements.
- interlocking elements are used in different partial areas of the electrode contact surface 16. Furthermore, it is conceivable that at least two different types of interlocking elements, in particular alternating, are used in at least one partial area (cf. FIG. 5).
- At least one of the interlocking elements 20, 22, 24, 26, 28, 30 of the interlocking unit 18 is arranged in the fluid channel-free section 32 of the electrode contact surface 16.
- the interlocking unit 18 is provided for sealing the fluid channel region 34, in particular for fixing the separating element 44 and / or the further electrode 42 to the base body 46.
- the further pyramid-shaped interlocking element 30 is arranged in the region 32 that is free of fluid channels. At least one of the positive locking elements 20, 22, 24,
- the form-locking unit 18 is arranged in the fluid channel region 34 of the electrode contact surface 16.
- the further pyramid-shaped interlocking element 30 is arranged in the fluid channel region 34.
- the trapezoidal positive locking element 20, the cuboidal positive locking element 22, the cylindrical positive locking element 24, the conical positive locking element 26 and / or the pyramidal positive locking element 28 is / are arranged in the fluid channel region 34.
- FIG. 7 shows the method 38 for producing the fuel cell and / or electrolyzer unit 14, in particular a solid oxide fuel cell unit.
- the fuel cell and / or the electrolyzer unit 14 comprises at least the electrode unit 12 and at least the electrode carrier device 10 for supporting the electrode unit 12.
- the Electrode unit 12 is at least positively connected to the electrode carrier device 10.
- the method 38 preferably comprises an electrode manufacturing step 52.
- the electrode unit 12 is preferably manufactured in the electrode manufacturing step 52.
- the electrode unit 12 is preferably produced in at least one electrode production step 52, in particular at least preformed.
- at least one blank, compact, green body, white body, or the like is produced by the electrode unit 12 in the electrode manufacturing step 52.
- the electrode unit 12 is preferably produced on a transport element 54, in particular applied in layers.
- the method 38 preferably comprises at least one electrode carrier production step 56.
- the electrode carrier device 10 is preferably produced in the electrode carrier production step 56.
- the electrode carrier device 10, in particular the base body 46 is at least essentially made of titanium, Crofer® 22 H / APU, Inconel® 600 or the like.
- at least the base body 46 of the electrode carrier device 10 is structured during a fluid channel formation step 58.
- at least one fluid channel 48 is let into the base body 46 in the fluid channel formation step 58.
- the at least one fluid channel 48 is preferably let into the base body 46 of the electrode carrier device 10 by a reshaping process, in particular by means of stamping, embossing, milling, laser drilling, laser cutting, etching or the like.
- the electrode carrier device 10 is preferably deburred in the fluid channel formation step 58.
- the electrode carrier device 10 is preferably cleaned in the fluid channel formation step 58.
- the electrode contact surface 16 is preferably structured to form the form-locking unit 18.
- the texturing step 60 can be carried out before, after and / or simultaneously with the fluid channeling step 58.
- a texturing step 60 at least one of the interlocking elements 20, 22, 24, 26, 28, 30 of the interlocking unit 18 of the electrode carrier device 10 is formed on the electrode contact surface 16 of the electrode carrier device 10, in particular by a material removal process and / or by a material application process.
- dimensioning of at least one of the form-locking elements 20, 22, 24, 26, 28, 30 is based on a particle size of the electrical the unit 12 adapted.
- at least one of the interlocking elements 20, 22, 24, 26, 28, 30 is created by means of laser texturing.
- the texturing step 60 material is removed from the electrode carrier device 10, in particular from the base body 46. In particular, material is removed on the electrode contact surface 16 in the texturing step 60.
- the interlocking elements 20, 22, 24, 26, 28, 30 are shaped, in particular cut freely.
- the electrode carrier device 10 is preferably thermally aftertreated in the electrode carrier production step 56. In the electrode carrier production step 56, the electrode carrier device 10 is preferably rolled up and / or stacked for transport and / or storage. It is also conceivable that the electrode carrier device 10 is conveyed directly to further processing, for example via a conveyor system.
- the, in particular special, pre-shaped electrode unit 12 is preferably applied to the electrode carrier device 10, in particular to the electrode contact surface 16.
- the transport element 54 with the electrode unit 12 is preferably arranged on the electrode carrier device 10 in the merging step 62.
- the electrode unit 12 faces the electrode carrier device 10, in particular the electrode contact surface 16.
- the merging step 62 preferably comprises a heating and / or pressing process, in particular for laminating the electrode unit 12 onto the electrode carrier device 10, in particular onto the electrode contact surface 16.
- a shape of the electrode unit 12 is adapted to the at least one form-locking element 20, 22, 24, 26, 28, 30.
- the preformed electrode unit 12 is pressed onto the form-locking unit 18, in particular to deform the electrode unit 12.
- a shape of the electrode unit 12 is deformed in the merging step 62 complementarily to at least one form-locking element 20, 22, 24, 26, 28, 30.
- a granulate and / or a paste, from which the electrode unit 12 is constructed is distributed to, around and / or between the positive locking elements 20, 22, 24, 26, 28, 30.
- the method 38 preferably includes a sintering step 64.
- the electrode unit 12 is preferably sintered in the sintering step 64, in particular in a state applied to the electrode carrier device 10. At the latest after the sintering step 64 and / or at least hardening of the preformed electrode unit 12, the electrode unit 12 is positively connected to the electrode carrier device 10.
- the electrical rod carrier device 10 is divided together with the electrode unit 12 into individual metal-based fuel cell and / or electrolyzer units 14.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018216100.3A DE102018216100A1 (de) | 2018-09-21 | 2018-09-21 | Elektrodenträgervorrichtung zu einer Stützung einer Elektrodeneinheit |
| PCT/EP2019/074974 WO2020058316A1 (de) | 2018-09-21 | 2019-09-18 | Elektrodenträgervorrichtung zu einer stützung einer elektrodeneinheit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3853932A1 true EP3853932A1 (de) | 2021-07-28 |
Family
ID=67998471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19772702.7A Pending EP3853932A1 (de) | 2018-09-21 | 2019-09-18 | Elektrodenträgervorrichtung zu einer stützung einer elektrodeneinheit |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20210313595A1 (de) |
| EP (1) | EP3853932A1 (de) |
| JP (1) | JP7130858B2 (de) |
| KR (1) | KR102909290B1 (de) |
| CN (1) | CN112740447A (de) |
| DE (1) | DE102018216100A1 (de) |
| WO (1) | WO2020058316A1 (de) |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4114644A1 (de) * | 1991-05-04 | 1992-11-05 | Abb Patent Gmbh | Verfahren zur mechanischen verbindung von hochtemperaturbrennstoffzellen mit einem brennstoffzellentraeger |
| DE10317359A1 (de) * | 2003-04-15 | 2004-11-04 | Bayerische Motoren Werke Ag | Brennstoffzelle und/oder Elektrolyseur sowie Verfahren zu deren/dessen Herstellung |
| KR20060027573A (ko) * | 2004-09-23 | 2006-03-28 | 현규섭 | 주기적인 톱니 형상을 갖는 태양전지 모듈 |
| US7687090B2 (en) * | 2004-11-30 | 2010-03-30 | Corning Incorporated | Fuel cell device assembly and frame |
| DE102006004748A1 (de) * | 2006-02-02 | 2007-08-16 | Umicore Ag & Co. Kg | Membran-Elektroden-Einheit mit mehrkomponentigem Dichtungsrand |
| DE102007030343A1 (de) * | 2007-06-29 | 2009-01-02 | Carl Freudenberg Kg | Gasdiffusionseinheit für eine Brennstoffzelle |
| JP5315656B2 (ja) | 2007-09-28 | 2013-10-16 | 大日本印刷株式会社 | 固体酸化物形燃料電池のスタック構造 |
| DE102010049839A1 (de) * | 2010-10-27 | 2012-05-03 | Daimler Ag | Brennstoffzellenstapel und Verfahren zum Fertigen eines Brennstoffzellenstapels |
| DE102011087430A1 (de) * | 2011-11-30 | 2013-06-06 | Robert Bosch Gmbh | Tubulare Brennstoffzelle mit Stabilisationsstegen |
| JP5615875B2 (ja) | 2012-01-16 | 2014-10-29 | 本田技研工業株式会社 | 燃料電池用樹脂枠付き電解質膜・電極構造体 |
| AT513834B1 (de) * | 2013-03-01 | 2014-08-15 | Cellstrom Gmbh | Elastomerer Endrahmen einer Redox-Durchflussbatterie |
| JP6222143B2 (ja) | 2014-03-18 | 2017-11-01 | トヨタ自動車株式会社 | 燃料電池、燃料電池の製造方法 |
| JP6671132B2 (ja) | 2014-09-19 | 2020-03-25 | 大阪瓦斯株式会社 | 電気化学素子、固体酸化物形燃料電池セル、およびこれらの製造方法 |
| JP2016181350A (ja) | 2015-03-23 | 2016-10-13 | 株式会社日本触媒 | 燃料極支持型固体酸化物形燃料電池用単セルおよびその製造方法 |
| CN204849049U (zh) * | 2015-07-24 | 2015-12-09 | 信丰正天伟电子科技有限公司 | 一种电解槽 |
| DE102016225970A1 (de) * | 2016-12-22 | 2018-06-28 | Robert Bosch Gmbh | Verfahren zur Herstellung einer Brennstoff- und/oder Elektrolysezelle sowie eine Brennstoff- und/oder Elektrolysezelle |
| DE102017101515A1 (de) * | 2017-01-26 | 2018-07-26 | Audi Ag | Brennstoffzellenstapel und Brennstoffzellensystem mit einem solchen |
-
2018
- 2018-09-21 DE DE102018216100.3A patent/DE102018216100A1/de active Pending
-
2019
- 2019-09-18 US US17/264,625 patent/US20210313595A1/en not_active Abandoned
- 2019-09-18 KR KR1020217007951A patent/KR102909290B1/ko active Active
- 2019-09-18 WO PCT/EP2019/074974 patent/WO2020058316A1/de not_active Ceased
- 2019-09-18 JP JP2021515652A patent/JP7130858B2/ja active Active
- 2019-09-18 EP EP19772702.7A patent/EP3853932A1/de active Pending
- 2019-09-18 CN CN201980061558.1A patent/CN112740447A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020058316A1 (de) | 2020-03-26 |
| KR102909290B1 (ko) | 2026-01-08 |
| CN112740447A (zh) | 2021-04-30 |
| US20210313595A1 (en) | 2021-10-07 |
| JP2022501775A (ja) | 2022-01-06 |
| JP7130858B2 (ja) | 2022-09-05 |
| KR20210058844A (ko) | 2021-05-24 |
| DE102018216100A1 (de) | 2020-03-26 |
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