EP4646500A2 - Plaque bipolaire pour électrolyseur - Google Patents

Plaque bipolaire pour électrolyseur

Info

Publication number
EP4646500A2
EP4646500A2 EP23821189.0A EP23821189A EP4646500A2 EP 4646500 A2 EP4646500 A2 EP 4646500A2 EP 23821189 A EP23821189 A EP 23821189A EP 4646500 A2 EP4646500 A2 EP 4646500A2
Authority
EP
European Patent Office
Prior art keywords
bipolar plate
support elevation
bipolar
membrane
support
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
Application number
EP23821189.0A
Other languages
German (de)
English (en)
Inventor
Matthias Brunner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP4646500A2 publication Critical patent/EP4646500A2/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • 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
    • 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
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
    • 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
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type
    • C25B9/75—Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
    • 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
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type
    • C25B9/77—Assemblies comprising two or more cells of the filter-press type having diaphragms

Definitions

  • the invention relates to a bipolar plate for an electrolyzer, wherein the bipolar plate comprises a plurality of media channels, at least one FhO inlet port, one FhO'/Ch outlet port and one Fh outlet port. Furthermore, the invention relates to the use of the bipolar plate in a fuel cell stack of an electrolyzer.
  • DE 2020 215 012 A1 relates to a bipolar plate for an electrochemical cell, comprising at least one port, an active surface and a sealing element with exactly one opening for the passage of at least one medium.
  • the sealing element surrounds the at least one port.
  • an electrochemical cell and a method for operating an electrochemical cell are disclosed.
  • DE 101 58 772 C1 and DE 102 48 531 B4 relate to fuel cell stacks with a layering of several fuel cells, whereby media are supplied or removed through bipolar plates and bead arrangements are provided for sealing.
  • bipolar plates for electrolyzers can also have only a single sheet if only two media, namely an anode medium and a cathode medium, have to be separated from each other. In electrolyzers, this is usually not necessary. the cooling medium. The cooling function in electrolyzers is taken over by water, ie the anode medium which is created during water electrolysis.
  • a bipolar plate for an electrolyzer comprising several media channels, at least one FhO inlet port, one FhO'/Ch outlet port and one Fh outlet port.
  • the bipolar plates are arranged one on top of the other as repeating components, sealingly accommodate a port and an insert seal between two bipolar plates lying one on top of the other is fixed by these within an X/Y plane.
  • the solution proposed according to the invention makes it possible to provide a bipolar plate which can be used multiple times as a repeat component within a cell stack and which, due to its shape, simultaneously produces the contour of the bipolar plate on the anode side as well as the corresponding contour on the cathode side of the bipolar plate.
  • a membrane or a subgasket is fixed in the Z direction between the insert seal and the bipolar plate in such a way that openings of the insert seal are open in the region of the ports.
  • the membrane is positioned essentially in a central arrangement within a distribution area of the bipolar plate within the cell stack. This advantageously makes it possible to create cathode and anode spaces of approximately equal size.
  • gas or fluid diffusion layers can be arranged in an anode chamber and/or in a cathode chamber between electrolysis cells formed from superimposed bipolar plates.
  • the bipolar plate proposed according to the invention it is manufactured as a repeat component, in particular as an embossed or stamped metallic component, in particular as a sheet metal component. This enables large-scale production, in particular if the bipolar plate can be manufactured as an embossed sheet metal component with a small thickness.
  • the bipolar plate proposed according to the invention has at least one first X/Y support elevation and at least one Z support elevation on its upper side. Furthermore, the bipolar plate comprises at least one second X/Y support elevation and at least one second Z support elevation on its lower side.
  • stacking aids can be provided so that the cell stack can be constructed more easily and more precisely, even in an automated manner.
  • the anode and cathode spaces are defined via the first and second X/Y support elevations and the first and second Z support elevations, without any additional alignment or joining elements being required when constructing the cell stack.
  • the at least one X/Y support elevation, the at least one first Z support elevation, the at least one second X/Y support elevation and the at least one second Z support elevation are designed as sheet metal beads in the material of the bipolar plate.
  • the at least one first X/Y support elevation, the at least one first Z support elevation on the top side and the at least one second X/Y support elevation and the at least one second Z support elevation on the bottom side of the bipolar plate can be designed to run continuously in the circumferential direction in the region of the ports, or in a further embodiment, the support elevations mentioned can also be designed to be interrupted in segments in the circumferential direction.
  • the openings in the material of the insert seal are oriented essentially in a horizontal direction and can be designed either as bores or as transverse slots.
  • the membrane or the subgasket surrounding the membrane is clamped between the insert seal on the one hand and an upper side of the bipolar plate on the other. Therefore, no separate joining elements are required to fix the membrane or the subgasket surrounding the membrane.
  • the membrane or the subgasket enclosing the membrane is arranged in a central arrangement between two bipolar plates lying one above the other by means of the at least one X/Y support elevation.
  • This arrangement achieves essentially identical geometries in the anode and cathode compartments of the fuel cell within a single fuel cell within the electrolyzer.
  • the at least one second X/Y support elevation is arranged offset from the first X/Y support elevation, wherein the first X/Y support elevation extends in the opposite Z direction.
  • the at least one X/Y support elevation establishes a defined cathode-side distance of the membrane or the subgasket from the bipolar plate, while the at least one second X/Y support elevation establishes a defined anode-side distance of the membrane or the subgasket from the bipolar plate.
  • the invention relates to the use of the bipolar plate in a cell stack, in particular an electrolyzer.
  • the solution proposed according to the invention in the form of the bipolar plate provides a single repeating unit, so that only one type of bipolar plate is required as the only repeating component for a fuel cell stack, in particular an electrolyzer.
  • the bipolar plate proposed according to the invention designed as a repeating unit, creates both the contour of the bipolar plate on the anode side and the associated negative contour of the bipolar plate on the cathode side using one component.
  • an FhO inlet is sealed by the insert seal. This also serves here to transmit the force of the bipolar plates forming the cell stack by means of a clamping device.
  • the insert seal is supported here by means of a first X/Y support elevation, for example designed as a sheet metal bead.
  • the first X/Y support elevation does not necessarily have to be formed over the entire circumference of the H2O inlet port to be sealed, but can also be made, for example, from individual segments with interruptions between them.
  • the first X/Y support elevation for example designed as a sheet metal bead, also serves to align the bipolar plate when pre-stacking the individual bipolar plates, which ultimately form the fuel cell stack.
  • the bipolar plate can have a second support elevation that is formed in the opposite Z direction in relation to the first X/Y support elevation of the bipolar plate.
  • the insert seal can be clamped by the first and second X/Y support elevations mentioned.
  • the fuel cell stack is preferably constructed using the first X/Y support elevation and the second X/Y support elevation as alignment features during pre-stacking.
  • the insert seal is provided with openings that run horizontally to the anode or cathode of the fuel cell to be supplied. These openings can be designed as holes or as transverse slots, for example.
  • the bipolar plate proposed according to the invention designed as a repeating component, is advantageously provided with at least one first Z-support elevation and at least one second Z-support elevation. The support elevations mentioned, which extend in the Z direction and in the Z direction opposite to this, allow a central arrangement of the bipolar plate. In this case, the resulting anode and cathode spaces are advantageously of the same shape.
  • the first Z-support elevation can be used to create a defined cathode-side distance between the membrane or the subgasket surrounding the membrane and the bipolar plate
  • the second Z-support elevation in the form of a support bead can be used to create a defined anode-side distance between the membrane or the subgasket surrounding the membrane and the bipolar plate.
  • the bipolar plate proposed according to the invention represents a component which is installed in a fuel cell stack with provision of the membrane or the subgasket that accommodates the membrane and the insert seal.
  • the bipolar plates are arranged in a repeatable manner, taking into account the positive or negative geometries on the anode or cathode side, respectively, with a substantially constant sheet thickness.
  • the bipolar plate proposed according to the invention is made of metallic material and preferably comprises a thin-walled sheet. Since the media channels can be made from this material as punched-outs with a square or circular cross-section, the said support elevations can be formed as beads, in particular as sheet metal beads, in the material of the bipolar plate.
  • Figure 1 shows a known insert seal as used for a cell stack in electrolysis cells
  • Figure 2 a bipolar plate in plan view with three ports, an H2O inlet port, an FhO outlet port and an Fh outlet port,
  • Figure 3 shows a section of an electrolysis cell stack of an electrolyzer with repeat components and a bipolar plate designed as repeat components and
  • Figure 4 shows a variant of the bipolar plate with a circumferential perimeter bead.
  • Figure 1 shows the schematic representation of a port 12 which is surrounded by a sealing element 10.
  • An insert part 16 with a support structure 18 is arranged in an opening 14, wherein the support structure 18 is designed, for example, as a corrugated sheet 20 and supports a web 22 of the sealing element 10.
  • Reference numeral 24 designates a medium which passes through the port 12 shown in perspective in Figure 1.
  • FIG. 2 shows a schematic top view of an embodiment of the bipolar plate 34 according to the invention intended for an electrolyzer, with a FhO inlet port 38, a FhO/Ch outlet port 40 and a Fh outlet port 42.
  • a bipolar plate 34 proposed according to the invention has a number of media channels 36.
  • the media channels 36 are designed, for example, as a H2O inlet port 38, a FhO/Ch outlet port 40 and a Fh outlet port 42.
  • all media channels 36 have a substantially rectangular or square cross-section, the cross-sections of the media channels 36 can deviate from the Representation according to Figure 2 can also be manufactured in a circular geometry, for example.
  • the bipolar plate 34 shown in the plan view according to Figure 2 is a thin-walled sheet metal component which can be easily formed by embossing and punching processes and which, according to the invention, serves as a repeat component 48 for stacking on top of one another and for building an electrolysis cell stack 46 for an electrolyzer 44.
  • Figure 3 shows a section of an electrolysis cell stack 46 of an electrolyzer 44 with bipolar plates 34 made of metallic material, which are designed as repeating components 48 and have a membrane electrode unit in the form of a membrane 70 surrounded by a subgasket.
  • a FhO inlet port 38 is shown in section.
  • a number of bipolar plates 34 according to the invention, designed as repeating components 48, are arranged around this port within the electrolysis cell stack 46, one above the other.
  • Insert seals 56 are located between the individual bipolar plates 34 of the electrolysis cell stack 46 as shown in Figure 3.
  • the insert seals 56 are provided on their side facing a distribution area 62 with an opening 60 oriented essentially in a horizontal direction.
  • the opening 60 can be designed either as a bore or as a transverse slot or the like.
  • the FhO inlet port 38 shown here in section is designed symmetrically with respect to an axis of symmetry 50.
  • a flow direction of H2O through the FhO inlet port 38 is identified in Figure 3 by reference numeral 52.
  • the electrolysis cell stack 46 is compressed by the application of a clamping force 54.
  • the clamping force 54 is partially transmitted by the insert seals 56.
  • the insert seal 56 is essentially designed in the form of a ring 58 in the illustration according to Figure 3 and serves as the transmission point of the clamping force 54 with which the bipolar plates 34 forming the electrolysis cell stack 46 are clamped against one another.
  • the individual bipolar plates 34 are arranged essentially one above the other in the electrolysis cell stack 46.
  • the upper sides 80 and lower sides 82 of the bipolar plates 34 form anode chambers 66 and cathode chambers 68, respectively. These, in turn, are separated from one another by the membrane 70 of the membrane-electrode unit, which is enclosed by a subgasket.
  • the bipolar plates 34 are preferably stamped or embossed as sheet metal components and are designed as repeating components 48. From the illustration according to Figure 3 it can be seen that at least one first X/Y support elevation 72 and at least one first Z support elevation 76 are formed on the upper side 80 of the bipolar plates 34.
  • the support elevations 72, 76 can be embossed or punched into the material of the bipolar plates 34, for example, as sheet metal beads.
  • the membrane 70 of the membrane electrode unit including subgasket is fixed between the insert seal 56 and the bipolar plate 34 in the Z direction 84 as shown in Figure 3 in such a way that it exposes the openings 60 in the insert seal 56 in the area of the H2O inlet port 38 shown here and runs within the distribution area 62 in a central arrangement 90 between two bipolar plates 34 lying one above the other.
  • the insert seal 56 is arranged between two bipolar plates 34 stacked on top of one another within the electrolysis cell stack 46 in such a way that they surround the FhO inlet port 38 and the insert seal 56 is fixed by one or both bipolar plates 34 within an X/Y plane 86. No further joining or holding elements are required to fix the insert seal 56.
  • the joining of the insert seal 56 between the two bipolar plates 34 takes place with the aid of the clamping force 54 acting on the bipolar plates 34 within the electrolysis cell stack 46.
  • the insert seal 56 between two superimposed bipolar plates 34 also serves to transmit force, in particular to transmit the clamping force 54 for clamping the electrolysis cell stack 46.
  • the insert seal 56 is mounted in the X/Y plane 86 by means of the at least one first X/Y support elevation 72.
  • the at least one first X/Y support elevation 72 does not necessarily have to extend around the entire circumference of the FhO inlet port 38 shown here as an example, but can also be constructed in segments and have interruptions, for example.
  • the at least one first X/Y support elevation 72 is preferably used to align the bipolar plate 34 when stacking the individual components of the electrolysis cell stack 46.
  • the bipolar plate 34 proposed according to the invention further comprises a second X/Y support elevation 74.
  • the two support elevations 72, 74 mentioned clamp the insert seal 56 between the two bipolar plates 34 without the need for fastening elements.
  • the at least one second X/Y support elevation 74, which extends in the opposite Z direction 92, does not have to run over the entire circumference of the H2O inlet port 38 shown here as an example, but can be designed in segments, i.e. with interruptions in the circumferential direction.
  • the bipolar plate 34 proposed according to the invention comprises said at least one second X/Y support elevation 74
  • the electrolysis cell stack 46 is pre-stacked and fully stacked using the at least one first X/Y support elevation 72 and the at least one second X/Y support elevation 74 as an alignment orientation.
  • a membrane 70 or a membrane electrode unit (or within the distribution area 62, its subgasket) is arranged between the individual bipolar plates 34 stacked on top of one another.
  • the subgasket enclosing the membrane 70 is preferably clamped between the insert seal 56 and the bipolar plates 34.
  • the bipolar plate 34 proposed according to the invention has at least one first Z-support elevation 76 which extends in the Z direction 84.
  • the membrane 70 is aligned on this in a central arrangement 90 between two bipolar plates 34 lying one above the other.
  • the bipolar plate 34 proposed according to the invention is provided with at least one further second Z-support elevation 78 which is offset in the X/Y direction 86 to the first.
  • This at least one second Z-support elevation 78 has opposite Z- Direction 92 with respect to the first mentioned, at least a first Z-support elevation 76.
  • the at least one first Z-support elevation 76 establishes a defined cathode-side distance of the membrane 70 from the bipolar plate 34, while the second, extending in the opposite Z-direction 92, at least one second Z-support elevation 78 establishes a defined anode-side distance of the membrane 70 or of its subgaskets from the bipolar plate 34.
  • the at least one first Z-support elevation 76 can be designed to run all the way around the FhO inlet port 38 shown here, whereas the at least one second Z-support elevation 78 does not have to run all the way around in order to ensure said media supply.
  • the bipolar plates 34 shown stacked on top of one another in Figure 3 are all arranged in a repeatable manner, with appropriate consideration of the positive and negative geometries on the anode and cathode sides, respectively, with a constant predetermined sheet thickness of the bipolar plates 34.
  • the designs described above are therefore particularly advantageous for bipolar plates 34 made of metallic material, which are made from only one sheet.
  • Said media channels 36 and the mentioned support elevations 72, 74, 76, 78 can be produced on the top and bottom 80, 82 of the bipolar plates 34 in a preferred embodiment by means of an embossing or punching process as part of sheet metal processing on a large scale.
  • the bipolar plate 34 described above is used as a repeating component 48 within an electrolyzer 44 and forms a contour on the anode side and on the opposite side the corresponding negative contour on the cathode side.
  • the membranes 70 arranged in the electrolysis cell stack 46 as part of a membrane electrode unit form the respective anode chambers 66 and the Cathode compartments 68 of the individual electrolysis cells 30 are separated from one another in the stack arrangement.
  • the illustration in Figure 4 shows a schematic representation of a bipolar plate 34 which has three media channels 36, namely the H2O inlet port 38, the FhO/Ch outlet port 40 and the Fh outlet port 42. Furthermore, the bipolar plate 34 according to the illustration in Figure 4 has a perimeter bead 94 which extends around the active area 64 and seals it. The perimeter bead 94 can also take over part of the sealing of the respective media channels 36 or the H2O inlet port 38, the FhO/Ch outlet port 40 and the Fh outlet port 42.
  • the insert seal 56 according to the illustration in Figure 3 can therefore also be used as a perimeter bead 94.
  • the bipolar plate 34 shown in the illustration according to Figure 4 can, analogously to the illustration according to Figure 3, be supported within the X/Y plane 86 by means of the at least one first X/Y support elevation 72 and the at least one second X/Y support elevation 74.
  • the at least one first Z support elevation 76 and the at least one second Z support elevation 78 already described in connection with Figure 3 can also be formed on the top or bottom side 80, 82 of the bipolar plate 34.
  • the bipolar plate 34 proposed according to the invention can advantageously be used in the electrolysis cell stack 46 for an electrolyzer 44.
  • the resulting electrolysis cell stack 46 is compressed by the clamping force 54, so that the bipolar plates 34 are each sealed against one another in a media-tight manner by means of the insert seal 56 or the perimeter bead 94.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

L'invention concerne une plaque bipolaire (34) pour un électrolyseur (44), ladite plaque bipolaire (34) comprenant plusieurs canaux pour fluides (36), c'est-à-dire au moins un port d'entrée H 2 O (38), un port de sortie H 2 O-/ O 2 (40), ainsi qu'un port de sortie H 2 (42). Dans l'empilement de cellules électrolytiques (46) de l'électrolyseur (44), des plaques bipolaires (34) conçues comme des composants répétitifs (48) sont disposées les unes au-dessus des autres, rendant étanche dans chaque cas un port (38, 40, 42), de telle sorte qu'un joint d'insertion (56) situé entre respectivement deux plaques bipolaires (34) superposées est fixé par celles-ci dans un plan X/Y (86). En outre, l'invention concerne l'utilisation de la plaque bipolaire (34) dans un empilement de cellules électrolytiques (46) d'un électrolyseur (44).
EP23821189.0A 2023-01-05 2023-12-06 Plaque bipolaire pour électrolyseur Pending EP4646500A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023200079.2A DE102023200079A1 (de) 2023-01-05 2023-01-05 Bipolarplatte für einen Elektrolyseur
PCT/EP2023/084444 WO2024146733A2 (fr) 2023-01-05 2023-12-06 Plaque bipolaire pour électrolyseur

Publications (1)

Publication Number Publication Date
EP4646500A2 true EP4646500A2 (fr) 2025-11-12

Family

ID=89164256

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23821189.0A Pending EP4646500A2 (fr) 2023-01-05 2023-12-06 Plaque bipolaire pour électrolyseur

Country Status (4)

Country Link
EP (1) EP4646500A2 (fr)
CN (1) CN120858203A (fr)
DE (1) DE102023200079A1 (fr)
WO (1) WO2024146733A2 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158772C1 (de) 2001-11-23 2003-06-26 Reinz Dichtungs Gmbh & Co Kg Brennstoffzellensystem
DE10248531B4 (de) 2002-10-14 2005-10-20 Reinz Dichtungs Gmbh & Co Kg Brennstoffzellensystem sowie Verfahren zur Herstellung einer in dem Brennstoffzellensystem enthaltenen Bipolarplatte
DE102010024316A1 (de) 2010-06-18 2011-12-22 Carl Freudenberg Kg Dichtung für eine Bipolarplatte einer Brennstoffzelle
DE202012004926U1 (de) 2012-05-16 2013-08-19 Reinz-Dichtungs-Gmbh Elektrochemisches System
DE102020202075A1 (de) * 2020-02-19 2021-08-19 Robert Bosch Gesellschaft mit beschränkter Haftung Elektrochemische Zelle mit Zuführungsvorrichtung
DE102020215014A1 (de) * 2020-11-30 2022-06-02 Robert Bosch Gesellschaft mit beschränkter Haftung Bipolarplatte für eine elektrochemische Zelle und elektrochemische Zelle
DE102020215012A1 (de) 2020-11-30 2022-06-02 Robert Bosch Gesellschaft mit beschränkter Haftung Bipolarplatte für eine elektrochemische Zelle, elektrochemische Zelle und Verfahren zum Betrieb einer elektrochemischen Zelle
FR3119940B1 (fr) * 2021-02-16 2025-05-02 Commissariat Energie Atomique Cellule électrochimique à étanchéité périphérique améliorée
DE102021210518A1 (de) 2021-09-22 2023-03-23 Robert Bosch Gesellschaft mit beschränkter Haftung Elektrochemische Zelle

Also Published As

Publication number Publication date
WO2024146733A2 (fr) 2024-07-11
DE102023200079A1 (de) 2024-07-11
WO2024146733A3 (fr) 2024-08-29
CN120858203A (zh) 2025-10-28

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