WO2023111174A3 - Water electrolysis hydrogen production device and method for multiple electrolytic cells - Google Patents

Water electrolysis hydrogen production device and method for multiple electrolytic cells Download PDF

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Publication number
WO2023111174A3
WO2023111174A3 PCT/EP2022/086143 EP2022086143W WO2023111174A3 WO 2023111174 A3 WO2023111174 A3 WO 2023111174A3 EP 2022086143 W EP2022086143 W EP 2022086143W WO 2023111174 A3 WO2023111174 A3 WO 2023111174A3
Authority
WO
WIPO (PCT)
Prior art keywords
oxygen
hydrogen
separator
control device
side control
Prior art date
Application number
PCT/EP2022/086143
Other languages
French (fr)
Other versions
WO2023111174A2 (en
Inventor
Xiaoliang ZHAO
Ping Li
Jun Ma
Shuqin TANG
Original Assignee
John Cockerill Hydrogen Belgium
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 John Cockerill Hydrogen Belgium filed Critical John Cockerill Hydrogen Belgium
Publication of WO2023111174A2 publication Critical patent/WO2023111174A2/en
Publication of WO2023111174A3 publication Critical patent/WO2023111174A3/en

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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
    • 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
    • C25B9/70—Assemblies comprising two or more 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/50—Processes
    • 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
    • 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
    • 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
    • C25B9/60—Constructional parts of 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

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  • 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)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Fuel Cell (AREA)

Abstract

The invention discloses a water electrolysis hydrogen production device and method for multiple electrolytic baths, the water electrolysis hydrogen production device comprises the electrolytic baths, an oxygen separator, a hydrogen separator, a circulating pump, an oxygen side control device, a hydrogen side control device and an alkali liquor flow control system, the multiple electrolytic baths are arranged in the system, and the oxygen separator is provided with one separator; the hydrogen separator is provided with two separators which are connected in series and have the same volume as the oxygen separator, the oxygen side control device comprises a large oxygen regulating valve and a small oxygen regulating valve which are connected in parallel, an oxygen automatic ball valve in front of the oxygen regulating valves and oxygen bypass manual balI valves connected to the two ends of the oxygen regulating valves and the two ends of the oxygen automatic ball valve, and the hydrogen side control device comprises a large hydrogen regulating valve and a small hydrogen regulating valve which are connected in parallel. The hydrogen/oxygen side control device is respectively provided with a large adjusting valve and a small adjusting valve, so that the adjusting precision of a single electrolytic cell during low-load operation can be ensured, each flowmeter and each automatic adjusting valve of the alkali liquor control system correspond to one electrolyte cell, and the opening degree adjustment of an alkali path of each electrolytic cell can be automatically controlled.
PCT/EP2022/086143 2021-12-15 2022-12-15 Water electrolysis hydrogen production device and method for multiple electrolytic cells WO2023111174A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111537791.8A CN114134527B (en) 2021-12-15 2021-12-15 Water electrolysis hydrogen production device and method with multiple electrolytic tanks
CN202111537791.8 2021-12-15

Publications (2)

Publication Number Publication Date
WO2023111174A2 WO2023111174A2 (en) 2023-06-22
WO2023111174A3 true WO2023111174A3 (en) 2024-01-11

Family

ID=80382401

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2022/086143 WO2023111174A2 (en) 2021-12-15 2022-12-15 Water electrolysis hydrogen production device and method for multiple electrolytic cells

Country Status (2)

Country Link
CN (1) CN114134527B (en)
WO (1) WO2023111174A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114790551A (en) * 2022-03-25 2022-07-26 中国船舶重工集团公司第七一八研究所 Liquid level balance control system and method for water electrolysis hydrogen production equipment
CN114717607A (en) * 2022-03-25 2022-07-08 上海卓微氢科技有限公司 High-hydrogen-purity and high-safety electrolytic water alkali liquor circulating system and control method
CN114507870B (en) * 2022-03-31 2023-06-13 国网智能电网研究院有限公司 Differential pressure controller, hydrogen production system, control method and device of hydrogen production system
CN115011999B (en) * 2022-05-26 2023-08-29 同济大学 High-precision active pressure control method for alkaline water electrolysis tank
CN115029733A (en) * 2022-06-23 2022-09-09 中国船舶重工集团公司第七一八研究所 System and method for regulating and controlling flow of alkaline liquor of many-to-one water electrolysis hydrogen production device
CN115161707B (en) * 2022-06-28 2023-05-30 中国船舶重工集团公司第七一八研究所 Electrolyte flow control method and system for oxyhydrogen production system by water electrolysis
CN115537841B (en) * 2022-10-17 2023-11-14 西安隆基氢能科技有限公司 Hydrogen production control system, method and storage medium
CN115652351B (en) * 2022-11-03 2023-06-20 嘉庚创新实验室 Asymmetric electrolytic water hydrogen production device
CN115992370B (en) * 2022-12-26 2024-01-30 陕西华秦新能源科技有限责任公司 Wide-power fluctuation operation device and method for alkaline water electrolysis hydrogen production system
CN117305906A (en) * 2023-10-18 2023-12-29 三峡科技有限责任公司 System and method for expanding load range of alkaline electrolytic cell

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CN112899712A (en) * 2021-01-22 2021-06-04 苏州竞立制氢设备有限公司 Water electrolysis hydrogen production device and hydrogen production method
EP3831986A1 (en) * 2018-07-27 2021-06-09 Tokuyama Corporation Gas production device and gas production method
CN113279002A (en) * 2021-04-29 2021-08-20 全球能源互联网研究院有限公司 Control method and system for multi-tank parallel electrolysis hydrogen production
CN113529105A (en) * 2021-07-29 2021-10-22 全球能源互联网研究院有限公司 Hydrogen production system, and pressure regulation and control method and device for hydrogen production system
CN113621990A (en) * 2021-08-03 2021-11-09 中国船舶重工集团公司第七一八研究所 Safety instrument system of water electrolysis hydrogen production equipment

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CN2622200Y (en) * 2003-03-10 2004-06-30 金道永 Hydrogen and oxygen generator
CN2747228Y (en) * 2004-11-11 2005-12-21 高洪山 Hydro-electrolytic hydrogen production device
CN2851279Y (en) * 2005-09-28 2006-12-27 中国船舶重工集团公司第七一八研究所 Combined electrolysis bath
CN111850591B (en) * 2020-03-31 2023-06-06 同济大学 Combined diaphragm regulating valve device, alkaline water electrolysis hydrogen production system and control method
CN111364053B (en) * 2020-04-22 2021-06-11 阳光电源股份有限公司 Multichannel alkaline hydrogen production system
CN212404296U (en) * 2020-05-21 2021-01-26 考克利尔竞立(苏州)氢能科技有限公司 Isolation protection device for water electrolysis hydrogen production
CN113584526A (en) * 2021-08-30 2021-11-02 中国科学院上海应用物理研究所 Universal water electrolysis hydrogen production test system and test method capable of being used in multiple stacks

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3831986A1 (en) * 2018-07-27 2021-06-09 Tokuyama Corporation Gas production device and gas production method
CN112899712A (en) * 2021-01-22 2021-06-04 苏州竞立制氢设备有限公司 Water electrolysis hydrogen production device and hydrogen production method
CN113279002A (en) * 2021-04-29 2021-08-20 全球能源互联网研究院有限公司 Control method and system for multi-tank parallel electrolysis hydrogen production
CN113529105A (en) * 2021-07-29 2021-10-22 全球能源互联网研究院有限公司 Hydrogen production system, and pressure regulation and control method and device for hydrogen production system
CN113621990A (en) * 2021-08-03 2021-11-09 中国船舶重工集团公司第七一八研究所 Safety instrument system of water electrolysis hydrogen production equipment

Also Published As

Publication number Publication date
CN114134527B (en) 2024-03-12
CN114134527A (en) 2022-03-04
WO2023111174A2 (en) 2023-06-22

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DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)