EP4334497A1 - Système d'électrolyse comprenant un échangeur d'ions auxiliaire - Google Patents

Système d'électrolyse comprenant un échangeur d'ions auxiliaire

Info

Publication number
EP4334497A1
EP4334497A1 EP22724774.9A EP22724774A EP4334497A1 EP 4334497 A1 EP4334497 A1 EP 4334497A1 EP 22724774 A EP22724774 A EP 22724774A EP 4334497 A1 EP4334497 A1 EP 4334497A1
Authority
EP
European Patent Office
Prior art keywords
anode
cathode
branch
flow
water circuit
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
EP22724774.9A
Other languages
German (de)
English (en)
Inventor
Du-Fhan Choi
Alexander Tremel
Markus Ungerer
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.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens Energy Global GmbH and Co KG
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 Siemens Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Publication of EP4334497A1 publication Critical patent/EP4334497A1/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
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/085—Removing impurities
    • 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
    • C25B15/087—Recycling of electrolyte to electrochemical cell
    • 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
    • C25B9/70—Assemblies comprising two or more cells
    • 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

Definitions

  • the invention relates to an electrolysis system for the electrochemical decomposition of water to produce hydrogen and oxygen with a number of electrolysis cells, with an anode-side water circuit and a cathode-side water circuit for separating the gases and cooling the water being present. It is important to ensure the purity of the water using ion exchangers.
  • electrolysis systems Various designs of electrolysis systems are known from the prior art. In any case, such a system includes an electrolyser. Various designs are used for this purpose, with a so-called PEM electrolyser often being used. This has a plurality of electrolytic cells, which by a
  • Polymer electrolyte membrane are divided into an anode chamber and a cathode chamber.
  • the electrolysis of water takes place in the electrolysis cells, for which purpose there is an inlet at least in the anode chamber.
  • anode side there is usually a water circuit from the outlet of the anode chamber with an oxygen separator, a circulation pump, a cooling device and a filter arrangement to the inlet at the anode chamber.
  • an ion exchanger is often used in the anode-side water circuit.
  • WO 2021228412 A1 proposes directing a partial flow from the cooling device directly to the electrolyzer, while another partial flow is guided through a cleaning branch. This includes an additional pump, an additional cooling device and the required ion exchanger. This deionized partial flow is mixed with the other partial flow before it is introduced into the electrolyzer.
  • JP 2002-173788 A An alternative embodiment with a cleaning branch is disclosed in JP 2002-173788 A.
  • a partial flow from an anode-side water circuit is branched off before a circulating pump after the oxygen separation. This partial flow is fed to an ion exchanger and fed back to the oxygen separator by a pump.
  • the generic electrolysis system is used for the electrochemical decomposition of water and thus for the production of hydrogen and oxygen.
  • the electrolysis system has at least one electrolysis unit.
  • the Electrolysis unit in turn comprises several electrolysis cells.
  • Each individual electrolytic cell has an anode chamber and a cathode chamber on the opposite side, which is separated by a membrane.
  • the type of membrane involved is initially irrelevant, with a polymer-electrolyte membrane preferably being used.
  • An anode is located in the anode chamber and a cathode is located opposite in the cathode chamber. In the operation of the electrolysis system, a voltage is intended to be applied between the anode and the cathode.
  • the electrolysis system has a water circuit on the anode side. This starts at an anode-side outlet of the anode chamber and leads back to an anode-side inlet at the anode chamber via a hydrogen separator, a main pump and a cooling device.
  • the order of the elements is initially irrelevant, as is whether there are other facilities in the water cycle.
  • the hydrogen produced is generically discharged together with a proportion of water from an outlet on the cathode side of the cathode chamber to a hydrogen separator.
  • a water circuit on the cathode side is preferably used for this purpose, in which there is also a main pump and a cooling device.
  • the cathode-side water circuit here leads to a cathode-side inlet of the cathode chamber.
  • an anode-side partial flow branch with an auxiliary ion exchanger arranged therein is used according to the invention.
  • the anode-side partial flow branch starts at a branch in the anode-side water circuit and leads back to a collection point in the anode-side water circuit.
  • the branch on the anode-side water circuit is positioned downstream of the arrangement comprising the separator, the main pump and the cooling device and in front of the anode-side inlet of the anode chambers of the electrolytic cells in the direction of flow of the anode-side water circuit.
  • the invention provides that the collection point is positioned downstream of the anode-side outlet of the anode chambers of the electrolytic cells in flow direction and upstream of the separator in flow direction of the anode-side water circuit.
  • the embodiment according to the invention with an auxiliary ion exchanger in the partial flow branch makes it possible to clean the water or deionize it without having to design the entire water flow.
  • this arrangement enables the auxiliary ion exchanger to be used with the partial flow branch, even if the electrolysis system is otherwise not in use.
  • an analogous arrangement is particularly preferably used on the cathode side.
  • the electrolysis system has a partial flow branch on the cathode side, which leads from a branch in the water circuit on the cathode side via an auxiliary ion exchanger to a collection point in the water circuit on the cathode side. If there is no reference to the anode side or the cathode side in the following, the same applies to both the anode side and the cathode side. However, it is not necessary for both sides to be identical. Instead, it is also possible to provide two different embodiments for the anode side and the cathode side.
  • a partial flow pump is preferably arranged in the partial flow branch.
  • water from the anode-side water circuit flows through the anode chambers from their inlet to their outlet, and water from the cathode-side water circuit flows through the cathode chambers from their inlet to their outlet.
  • a flow from the anode-side partial flow pump from the anode-side output to the anode-side input of the anode chambers or a flow from the cathode-side partial-flow pump from the cathode-side output to the cathode-side input of the cathode chambers is particularly preferred.
  • an auxiliary ion exchanger in the partial flow branch connected to the water circuit enables its use during the operation of the electrolysis system. If a partial flow pump is present, a bypass that can be switched via valves is preferably present for this purpose, so that flow through the partial flow branch is possible without operation of the partial flow pump.
  • the water can be kept clean even during operation of the electrolysis system with the auxiliary ion exchanger will.
  • a flow through the partial flow branch preferably takes place parallel to the electrolytic cell, so that only the water circuit with the flow has to be designed accordingly.
  • an additional cleaning branch is connected to the water circuit.
  • a main ion exchanger is arranged in the cleaning branch. It is provided here that a certain part of the water in the water circuit is routed through the cleaning branch. Since only part of the water flowing in the water circuit flows through the cleaning branch, dimensioning to this lower proportion and thus the installation effort are reduced.
  • the cleaning branch is connected to the separator with both ends.
  • the connection should be made in such a way that the oxygen or hydrogen has already been derived from the water coming from the separator.
  • a first end of the cleaning branch starts at the water cycle following the separator.
  • the second end of the cleaning branch can in turn be connected to the separator.
  • a circulation is also effected here in the separator and the main ion exchanger.
  • a cooling device is preferably also arranged in the cleaning branch, which improves the performance of the
  • Main ion exchanger can have a positive effect.
  • the cooling device is preferably located between the cleaning pump and the main ion exchanger.
  • a cleaning pump is not required to bring about a flow through the cleaning branch.
  • the water circulates out of the separator and back into the separator.
  • the other end of the cleaning branch is in turn connected directly to the separator or to the water circuit in front of the separator. Accordingly, the circulation through the main ion exchanger is effected by the main pump.
  • the branch to the cleaning branch is particularly preferably to be arranged in the flow direction after the cooling device in the water circuit, so that no separate cooling device is required in the cleaning branch.
  • a circulation of the water can be avoided in that the cleaning branch is flowed through in sections parallel to the water circuit.
  • a first end of the cleaning branch is preferably located at an outlet of the separator or on the water circuit downstream of the separator in the direction of flow.
  • a cleaning pump should again preferably be provided.
  • the point at which it is merged with the water cycle is of secondary importance.
  • an arrangement of a second end of the cleaning branch in the water circuit in the direction of flow downstream of the main pump and preferably downstream of the cooling device in the water circuit appears to be suitable.
  • the water circulating in the water circuit and through the electrolyser should be free of particles of any kind.
  • a filter device is arranged directly in the water circuit and/or in the partial flow branch and/or in the cleaning branch. It is particularly advantageous if a filter device is present for each ion exchanger in the direction of flow downstream or at least in front of the inlet of the anode chamber or the inlet of the cathode chamber.
  • connection variant on the cathode side it is always advantageous if the cross-flow connection leads to the oxygen separator of the anode-side water circuit.
  • the cross-flow connection leads from the cathode-side water circuit to the anode-side water circuit. It is particularly advantageous if the cross-flow connection from
  • Hydrogen separator of the cathode-side water cycle branches off.
  • the cross-flow connection leads from the partial flow branch on the cathode side to the water circuit on the anode side. It is particularly advantageous if the cross-flow connection branches off at a point downstream of the auxiliary ion exchanger.
  • the cross-current connection begins at the cathode-side cleaning branch.
  • the branch is arranged downstream of the main ion exchanger.
  • a cross-flow ion exchanger and a cross-flow pump are advantageously arranged in the cross-flow connection.
  • a cooling device and/or a filter device is advantageously present in the cross-flow connection.
  • an ion exchanger and a pump in the cross-flow connection are not absolutely necessary, since an ion exchanger is already present in the partial flow branch or the cleaning branch (depending on the version) (which is why the branch should preferably be arranged downstream).
  • the necessary flow in the cross-flow connection can already be brought about by the flow caused by a respective pump in the partial flow branch or the cleaning branch.
  • FIG. 1 shows a first exemplary embodiment of an electrolysis system according to the invention with a cross-flow connection between the two separators;
  • FIG. 2 shows a second exemplary embodiment of an electrolysis system according to the invention, in which a cleaning branch is dispensed with;
  • FIG 3 shows a third exemplary embodiment of an electrolysis system according to the invention with a cross-flow connection from the cleaning branch to the oxygen separator.
  • an electrolysis system generally includes one or more electrolyzers, each in turn having a plurality of electrolysis cells with a corresponding anode chamber and cathode chamber.
  • An electrolytic cell is only sketched in the illustrations as an example. The structure of an electrolyzer and the electrolytic cell will not be discussed further at this point.
  • a first exemplary embodiment of an electrolysis system 01 is now shown in FIG. This 01 comprises the electrolytic cell 31 as an essential element, which has an anode chamber 32 and a cathode chamber 33 .
  • anode-side water circuit 02 Connected to the anode chamber 32 is an anode-side water circuit 02 , which begins at an outlet of the anode chamber 32 and leads via a hydrogen separator 34 . Furthermore, there is a main pump 36 and a cooling device 37 in the water circuit 02. A filter device 38 is also arranged in the water circuit 02 between this 37 and an inlet on the anode chamber 32.
  • the cathode side is constructed analogously with a cathode-side water circuit 03 connected to the cathode chamber 33. Accordingly, this 03 starts analogously at an outlet of the cathode chamber 33 and leads to a hydrogen separator 35 Cooling device 37 and a filter device 38 before the water circuit 03 ends at the inlet of the cathode chamber 33.
  • Essential to the invention is the arrangement of an auxiliary ion exchanger 49 in an anode-side partial flow branch 04 and/or in a cathode-side partial flow branch 05.
  • the partial flow branch 04, 05 is on the respective water circuit 02, 03 with both ends, one branch 42 and a collection point 43 connected.
  • the electrolytic cell 31 is located on one side of the partial flow branch 04 or 05 between the branch 42 and the collection point 43.
  • the respective separator 34 or 35 and the main pump 36 the cooling device 37 and the filter device 38 are arranged in the respective water circuit 02 or 03.
  • One object of the invention is to enable the water to be cleaned even when the electrolysis system is at a standstill and the electrolysis cells are not live.
  • a partial flow pump 46 is also arranged in the partial flow branch 04 or 05.
  • a filter device 48 is additionally used for this purpose.
  • this arrangement enables the water in the respective water circuit 02 or 03 to circulate from and to the anode chambers 32 or the cathode chambers 33 when the electrolysis system 01 is in operation.
  • the main pump 36 can be switched off and circulation can be effected via the partial flow branch 04 or 05 by means of the respective partial flow pump 46 with deionization in the auxiliary ion exchanger 49.
  • the purity of the water can also be guaranteed over long periods of standstill of the electrolysis system 01.
  • FIGS. 2 and 3 also show the partial flow branch 04 or 05 with the partial flow pump 46 and the auxiliary ion exchanger 49, each connected to the water circuit 02 or 03.
  • the partial flow branch 04 or 05 is only traversed for cleaning when the main pump 36 is switched off. Since in this case there is no gas formation, it is provided that an opposite flow through the anode chamber 32 or the Cathode chamber 33 takes place in a way that corresponds to the normal flow during operation of the electrolysis system 01.
  • this embodiment proposes connecting a cleaning branch 06 or 07 to the respective separator 34 or 35.
  • the anode-side cleaning circuit 06 leads from the hydrogen separator 34 via a cleaning pump 56 and a cooling device 57 through a main ion exchanger 59 and finally through a filter device 58 and back to the hydrogen separator 34.
  • the structure on the cathode side is analogous with a cathode-side cleaning branch 07 starting at the hydrogen separator 35 via the main pump 56, the cooling device 57, through the main ion exchanger 59 and the filter device 58 back to the hydrogen separator 35. Consequently, there is circulation out and into the respective separator 34 or 35.
  • cross-flow connection 08 from the hydrogen separator 35 to the oxygen separator 34 .
  • a cross-flow pump 66 , a cooling device 67 and a cross-flow ion exchanger 69 and a filter device 68 are arranged in the cross-flow connection 08 .
  • the embodiment from FIG. 2 is clearly simpler.
  • an additional cleaning branch is dispensed with.
  • the partial flow branch 14 or 15 with the respective auxiliary ion exchanger 49 is used. Since in this case the respective main pump 36 brings about the circulation in the water circuit 12 or 13 during operation, a bypass 47 to the partial flow pump 46 is also provided. It is obvious that valves at least in the bypass (not shown) for switching between the states of operation of the electrolysis system 11 with a flow through the water circuit 12 or 13 and the Non-operation with a circulation only through the respective partial flow branch 14 or 15 and the anode chamber 32 or cathode chamber 33 are necessary.
  • the water circuit 22 or 23 connected to the anode chamber 32 or cathode chamber 33 of the electrolytic cell 31 with the oxygen separator 34 or hydrogen separator 35, the main pump 36, the cooling device 37 and the filter device 38 is also present .
  • the order of the elements from the branch 42 to the collection point 43 is selected in accordance with the previous examples with the partial flow pump 46, the auxiliary ion exchanger 49 and the filter device 48.
  • the branch 42 is located between the outlet on the anode chamber 32 or the cathode chamber 33 and the oxygen separator 34, respectively
  • Hydrogen separator 35 The collection point 43 is accordingly located in front of the inlet. Provision is made here for the anode chamber 32 or the cathode chamber 33 to circulate through the water circuit 22 or 23 both when the electrolysis system 21 is in operation and when it is not in operation a circulation takes place through the partial flow branch 24 or 25 in the same direction.
  • a cleaning branch 26 or 27 is present. Changing the connection to the water circuit 22 or 23, however, eliminates the need for a cleaning pump and an additional cooling device in the cleaning branch 26 or 27.
  • the cleaning branch 26, 27 is connected to the water circuit 22, 23 downstream of the main pump 36 and the cooling device 37.
  • the main ion exchanger 59 and a filter device 58 are located in the cleaning branch 26, 27.
  • FIG -Separator 35 In accordance with the example from FIG -Separator 35.
  • a cross-flow connection 28 is connected to the cathode-side cleaning branch 27, with the branch being arranged downstream of the main ion exchanger 59 and the filter device 58. This means that there is no need to arrange an ion exchanger in the cross-flow connection 28.
  • the overflowing water is returned to the anode-side water circuit 22 consistent with the previous examples with a connection of the cross-flow connection 28 with the oxygen separator 34.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Treatment Of Water By Ion Exchange (AREA)

Abstract

L'invention concerne un système d'électrolyse (01) comprenant une pluralité de cellules électrolytiques (31) pour l'électrolyse de l'eau. Un circuit d'eau côté anode (02) mène d'une sortie côté anode, par l'intermédiaire d'un séparateur d'oxygène (34), d'une pompe principale (36) et d'un dispositif de refroidissement (37), à une entrée côté anode d'une chambre d'anode (32). Un circuit d'eau côté cathode (03) mène, de manière similaire, d'une sortie côté cathode, par l'intermédiaire d'un séparateur d'oxygène (34), d'une pompe principale (36) et d'un dispositif de refroidissement (37), à une entrée côté cathode d'une chambre de cathode (33). Le nettoyage de l'eau pendant le non fonctionnement du système d'électrolyse (01) est effectué par addition d'une branche d'écoulement partiel côté anode (04) qui mène d'un point de dérivation (42), par l'intermédiaire d'un échangeur d'ions auxiliaire (49), à un point de collecte (43) dans le circuit d'eau côté anode (02, 12, 22).
EP22724774.9A 2021-06-25 2022-04-25 Système d'électrolyse comprenant un échangeur d'ions auxiliaire Pending EP4334497A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21181820.8A EP4108808A1 (fr) 2021-06-25 2021-06-25 Système d'électrolyse doté d'un échangeur d'ions auxiliaire
PCT/EP2022/060811 WO2022268378A1 (fr) 2021-06-25 2022-04-25 Système d'électrolyse comprenant un échangeur d'ions auxiliaire

Publications (1)

Publication Number Publication Date
EP4334497A1 true EP4334497A1 (fr) 2024-03-13

Family

ID=76623992

Family Applications (2)

Application Number Title Priority Date Filing Date
EP21181820.8A Withdrawn EP4108808A1 (fr) 2021-06-25 2021-06-25 Système d'électrolyse doté d'un échangeur d'ions auxiliaire
EP22724774.9A Pending EP4334497A1 (fr) 2021-06-25 2022-04-25 Système d'électrolyse comprenant un échangeur d'ions auxiliaire

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP21181820.8A Withdrawn EP4108808A1 (fr) 2021-06-25 2021-06-25 Système d'électrolyse doté d'un échangeur d'ions auxiliaire

Country Status (6)

Country Link
US (1) US20250084552A1 (fr)
EP (2) EP4108808A1 (fr)
CN (1) CN117561350A (fr)
AU (1) AU2022298913B2 (fr)
CL (1) CL2023003843A1 (fr)
WO (1) WO2022268378A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022206095A1 (de) * 2022-06-17 2023-12-28 Siemens Energy Global GmbH & Co. KG Elektrolysesystem mit einem Ionentauscher
DE102023201230A1 (de) 2023-02-14 2024-08-14 Robert Bosch Gesellschaft mit beschränkter Haftung Elektrolyseur, Kühlwassersystem mit einem Elektrolyseur, Verfahren zur Kühlung eines Elektrolyseurs
DE102023208576A1 (de) * 2023-09-06 2025-03-06 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben einer Elektrolyseanlage, Elektrolyseanlage
DE102023209118A1 (de) 2023-09-20 2025-03-20 Robert Bosch Gesellschaft mit beschränkter Haftung Die Erfindung betrifft ein Elektrolysesystem, wie es zur elektrolytischen Spaltung von Wasser in Wasserstoff und Sauerstoff mit Hilfe elektrischer Energie verwendet werden kann
WO2025093091A1 (fr) * 2023-10-30 2025-05-08 Stiesdal Hydrogen A/S Électrolyseur alcalin et procédé pour son fonctionnement
AT527689B1 (de) * 2023-10-30 2026-01-15 Andritz Ag Maschf Kühlsystem für eine Elektrolysevorrichtung zur Erzeugung von Wasserstoff
DE102023211251A1 (de) * 2023-11-13 2025-05-15 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben einer Elektrolyseanlage, Elektrolyseanlage
US12134825B1 (en) * 2023-11-28 2024-11-05 Hoa Van Huynh Electrolyzer, system and method for producing hydrogen gas
JP7494406B1 (ja) * 2024-02-05 2024-06-03 東京瓦斯株式会社 水電解システム
JP7541204B1 (ja) * 2024-02-05 2024-08-27 東京瓦斯株式会社 水電解システム
JP7557641B1 (ja) * 2024-02-05 2024-09-27 東京瓦斯株式会社 水電解システム
JP7551020B1 (ja) * 2024-04-19 2024-09-13 三菱重工業株式会社 水電解システム、及び水電解システムの運転方法
DE102024204009A1 (de) 2024-04-29 2025-10-30 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben eines Elektrolysesystems, Elektrolysesystem
DE102024204777A1 (de) 2024-05-23 2025-11-27 Robert Bosch Gesellschaft mit beschränkter Haftung Elektrochemisches System und Elektrolyseur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3991146B2 (ja) * 2000-12-01 2007-10-17 日立造船株式会社 固体高分子型水電解装置
CN107287612A (zh) * 2017-05-16 2017-10-24 天津大学 一种工业规模制备电子级四甲基氢氧化铵的方法
US20230235469A1 (en) * 2020-05-15 2023-07-27 Hoeller Electrolyzer Gmbh Method for operating a water electrolysis device

Also Published As

Publication number Publication date
CA3225177A1 (fr) 2022-12-29
CN117561350A (zh) 2024-02-13
US20250084552A1 (en) 2025-03-13
AU2022298913A1 (en) 2023-12-14
EP4108808A1 (fr) 2022-12-28
CL2023003843A1 (es) 2024-08-02
AU2022298913B2 (en) 2024-12-05
WO2022268378A1 (fr) 2022-12-29

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