CA3228725A1 - Method for the electrolysis of water at variable current densities - Google Patents

Method for the electrolysis of water at variable current densities Download PDF

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Publication number
CA3228725A1
CA3228725A1 CA3228725A CA3228725A CA3228725A1 CA 3228725 A1 CA3228725 A1 CA 3228725A1 CA 3228725 A CA3228725 A CA 3228725A CA 3228725 A CA3228725 A CA 3228725A CA 3228725 A1 CA3228725 A1 CA 3228725A1
Authority
CA
Canada
Prior art keywords
compartment
anodic
cathodic
separator
anolyte
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
CA3228725A
Other languages
English (en)
French (fr)
Inventor
Daniele NUZZO
Michele SPONCHIADO
Michele Perego
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.)
Industrie de Nora SpA
Original Assignee
Industrie de Nora SpA
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 Industrie de Nora SpA filed Critical Industrie de Nora SpA
Publication of CA3228725A1 publication Critical patent/CA3228725A1/en
Pending legal-status Critical Current

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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
    • C25B15/02—Process control or regulation
    • 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
    • C25B15/02—Process control or regulation
    • C25B15/023—Measuring, analysing or testing during electrolytic production
    • 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
    • C25B15/083—Separating products
    • 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
    • C25B9/05—Pressure 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
    • C25B9/17—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
    • C25B9/17—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
    • C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Analytical Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
CA3228725A 2021-08-17 2022-08-16 Method for the electrolysis of water at variable current densities Pending CA3228725A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21191769.5 2021-08-17
EP21191769.5A EP4137608A1 (en) 2021-08-17 2021-08-17 Method for the electrolysis of water at variable current densities
PCT/EP2022/072861 WO2023021034A1 (en) 2021-08-17 2022-08-16 Method for the electrolysis of water at variable current densities

Publications (1)

Publication Number Publication Date
CA3228725A1 true CA3228725A1 (en) 2023-02-23

Family

ID=77367383

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3228725A Pending CA3228725A1 (en) 2021-08-17 2022-08-16 Method for the electrolysis of water at variable current densities

Country Status (11)

Country Link
US (1) US20240344220A1 (https=)
EP (2) EP4137608A1 (https=)
JP (1) JP2024531391A (https=)
KR (1) KR20240039225A (https=)
CN (1) CN117999377A (https=)
CA (1) CA3228725A1 (https=)
CL (1) CL2024000448A1 (https=)
ES (1) ES3013065T3 (https=)
IL (1) IL310734A (https=)
WO (1) WO2023021034A1 (https=)
ZA (1) ZA202401552B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024192261A1 (en) * 2023-03-14 2024-09-19 Verdagy, Inc. Electrolyte recirculation for improved hydrogen evolution
DE102023208576A1 (de) * 2023-09-06 2025-03-06 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben einer Elektrolyseanlage, Elektrolyseanlage
EP4592425A1 (en) * 2024-01-24 2025-07-30 OÜ Stargate Hydrogen Solutions Electrolyser system
EP4617402A1 (en) * 2024-03-12 2025-09-17 Green Hydrogen Systems A/S Method for control of the individual catholyte and anolyte flows through a multitude of electrolyser stacks and electrolyser system comprising a multitude of individual electrolyser stacks
US20250313970A1 (en) * 2024-04-04 2025-10-09 HGEN, Inc. Flow field alkaline electrolyzer and method of manufacture
EP4650487A1 (en) * 2024-05-16 2025-11-19 TotalEnergies OneTech A water electrolysis process having an extended range of operation and related installation
EP4675011A1 (en) * 2024-07-05 2026-01-07 Siemens Energy Global GmbH & Co. KG Electrolyser
CN121046899A (zh) * 2025-09-05 2025-12-02 国网河南省电力公司经济技术研究院 一种适应波动工况的高效率电解水制氢方法及系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013224676B2 (en) * 2011-02-28 2015-12-10 Vito Nv Novel separator, an electrochemical cell therewith and use thereof therein
RU2551365C2 (ru) * 2011-02-28 2015-05-20 Вито Нв Новый сепаратор, электрохимическая ячейка с новым сепаратором и применение нового сепаратора в электрохимической ячейке
WO2017100847A1 (en) * 2015-12-14 2017-06-22 Aquahydrex Pty Ltd Electrochemical cell and components thereof capable of operating at high current density
WO2018182005A1 (ja) * 2017-03-31 2018-10-04 旭化成株式会社 水電解システム、水電解方法、水素の製造方法
DE102018118654A1 (de) 2018-08-01 2020-02-06 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine und Textilmaschine
EP3879006A4 (en) * 2018-11-05 2021-12-29 Asahi Kasei Kabushiki Kaisha Method for manufacturing hydrogen
EP4071275A1 (en) * 2021-04-09 2022-10-12 L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Electrolysis arrangement for alkaline electrolysis and method therefor

Also Published As

Publication number Publication date
WO2023021034A1 (en) 2023-02-23
EP4370730C0 (en) 2025-01-29
JP2024531391A (ja) 2024-08-29
ZA202401552B (en) 2025-06-25
AU2022329382A1 (en) 2024-02-29
KR20240039225A (ko) 2024-03-26
IL310734A (en) 2024-04-01
EP4137608A1 (en) 2023-02-22
CN117999377A (zh) 2024-05-07
EP4370730B1 (en) 2025-01-29
ES3013065T3 (en) 2025-04-10
US20240344220A1 (en) 2024-10-17
TW202323592A (zh) 2023-06-16
CL2024000448A1 (es) 2024-08-02
EP4370730A1 (en) 2024-05-22

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