EP4047112A3 - Hydrogen production system and hydrogen production method - Google Patents

Hydrogen production system and hydrogen production method Download PDF

Info

Publication number
EP4047112A3
EP4047112A3 EP22154792.0A EP22154792A EP4047112A3 EP 4047112 A3 EP4047112 A3 EP 4047112A3 EP 22154792 A EP22154792 A EP 22154792A EP 4047112 A3 EP4047112 A3 EP 4047112A3
Authority
EP
European Patent Office
Prior art keywords
hydrogen production
production system
water electrolysis
stack
production method
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
EP22154792.0A
Other languages
German (de)
French (fr)
Other versions
EP4047112A2 (en
Inventor
Keiji Watanabe
Futoshi Furuta
Takao Ishikawa
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to EP23178603.9A priority Critical patent/EP4234766A3/en
Publication of EP4047112A2 publication Critical patent/EP4047112A2/en
Publication of EP4047112A3 publication Critical patent/EP4047112A3/en
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
    • 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
    • C25B15/02—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
    • 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

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)
  • Automation & Control Theory (AREA)
  • Analytical Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

In a hydrogen production system that produces hydrogen using a plurality of water electrolysis stacks, a technique is provided, which is capable of effectively restraining a degradation of the water electrolysis stacks. In the hydrogen production system according to the present disclosure, any one of an operation priority stack, a stop priority stack, and an intermediate operation stack is allocated as the operation states of the water electrolysis stacks.
EP22154792.0A 2021-02-17 2022-02-02 Hydrogen production system and hydrogen production method Pending EP4047112A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23178603.9A EP4234766A3 (en) 2021-02-17 2022-02-02 Hydrogen production system and hydrogen production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021023663A JP7518014B2 (en) 2021-02-17 2021-02-17 Control system, control method, and hydrogen production system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP23178603.9A Division EP4234766A3 (en) 2021-02-17 2022-02-02 Hydrogen production system and hydrogen production method

Publications (2)

Publication Number Publication Date
EP4047112A2 EP4047112A2 (en) 2022-08-24
EP4047112A3 true EP4047112A3 (en) 2023-03-01

Family

ID=80225651

Family Applications (2)

Application Number Title Priority Date Filing Date
EP22154792.0A Pending EP4047112A3 (en) 2021-02-17 2022-02-02 Hydrogen production system and hydrogen production method
EP23178603.9A Pending EP4234766A3 (en) 2021-02-17 2022-02-02 Hydrogen production system and hydrogen production method

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP23178603.9A Pending EP4234766A3 (en) 2021-02-17 2022-02-02 Hydrogen production system and hydrogen production method

Country Status (2)

Country Link
EP (2) EP4047112A3 (en)
JP (1) JP7518014B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023141293A (en) * 2022-03-23 2023-10-05 株式会社デンソー Hydrogen production system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110155583A1 (en) * 2010-03-13 2011-06-30 Haiming Li High efficient hydrogen generation with green engergy powers
WO2018109858A1 (en) * 2016-12-14 2018-06-21 株式会社 東芝 Hydrogen energy system, method for controlling hydrogen energy system, and program
US10006132B2 (en) * 2013-03-19 2018-06-26 Siemens Aktiegesellschaft Electrolysis stack and electrolyzer
US20180291516A1 (en) * 2017-04-07 2018-10-11 Fujitsu Limited Electrolysis system, electrolysis control apparatus, and method of controlling an electrolysis system
CN112103994A (en) * 2020-08-25 2020-12-18 同济大学 Layered coordination control method and device for wind-hydrogen coupling system based on MPC
US11519089B1 (en) * 2021-08-16 2022-12-06 Dioxycle Methods and systems for automated optimization of COx electrolysis reactor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4406866B2 (en) 2003-10-27 2010-02-03 株式会社Ｉｈｉ Hydrogen production facility
JP6936179B2 (en) 2018-03-28 2021-09-15 東邦瓦斯株式会社 Hydrogen production system
JP6888602B2 (en) 2018-11-23 2021-06-16 株式会社豊田中央研究所 Water electrolysis system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110155583A1 (en) * 2010-03-13 2011-06-30 Haiming Li High efficient hydrogen generation with green engergy powers
US10006132B2 (en) * 2013-03-19 2018-06-26 Siemens Aktiegesellschaft Electrolysis stack and electrolyzer
WO2018109858A1 (en) * 2016-12-14 2018-06-21 株式会社 東芝 Hydrogen energy system, method for controlling hydrogen energy system, and program
US20180291516A1 (en) * 2017-04-07 2018-10-11 Fujitsu Limited Electrolysis system, electrolysis control apparatus, and method of controlling an electrolysis system
CN112103994A (en) * 2020-08-25 2020-12-18 同济大学 Layered coordination control method and device for wind-hydrogen coupling system based on MPC
US11519089B1 (en) * 2021-08-16 2022-12-06 Dioxycle Methods and systems for automated optimization of COx electrolysis reactor

Also Published As

Publication number Publication date
EP4047112A2 (en) 2022-08-24
JP2022125850A (en) 2022-08-29
EP4234766A3 (en) 2023-09-27
EP4234766A2 (en) 2023-08-30
JP7518014B2 (en) 2024-07-17

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