EP4124676A1 - Installation d'électrolyse dotée d'une pluralité de cellules d'électrolyse - Google Patents
Installation d'électrolyse dotée d'une pluralité de cellules d'électrolyse Download PDFInfo
- Publication number
- EP4124676A1 EP4124676A1 EP21188722.9A EP21188722A EP4124676A1 EP 4124676 A1 EP4124676 A1 EP 4124676A1 EP 21188722 A EP21188722 A EP 21188722A EP 4124676 A1 EP4124676 A1 EP 4124676A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrolysis
- supply unit
- control electrode
- electrical
- cell
- 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.)
- Withdrawn
Links
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 123
- 239000000446 fuel Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 230000000694 effects Effects 0.000 claims description 23
- 239000010936 titanium Substances 0.000 claims description 16
- 229910052719 titanium Inorganic materials 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 15
- 239000003054 catalyst Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910000510 noble metal Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 46
- 230000007797 corrosion Effects 0.000 description 41
- 238000005260 corrosion Methods 0.000 description 41
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 26
- 229910052739 hydrogen Inorganic materials 0.000 description 26
- 239000001257 hydrogen Substances 0.000 description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 22
- 229910052760 oxygen Inorganic materials 0.000 description 22
- 239000001301 oxygen Substances 0.000 description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 150000001768 cations Chemical class 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- -1 hydroxide ions Chemical class 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 8
- 239000000306 component Substances 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 229910021645 metal ion Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000004210 cathodic protection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003411 electrode reaction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000006181 electrochemical material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- ULFQGKXWKFZMLH-UHFFFAOYSA-N iridium tantalum Chemical compound [Ta].[Ir] ULFQGKXWKFZMLH-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- 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
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/10—Electrodes characterised by the structure
-
- 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
-
- 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
Definitions
- the application according to the prior art has proven itself, but it has been found that particularly in the area of the supply line adjoining the electrical insulating section, which is subjected to a positive electrical potential of the electrical energy source in normal operation, a corrosion can occur. Oxidative decomposition of the metallic pipe material takes place in this anodic area of the supply line. This is not only harmful to the electrolysis system as such, but can also lead to contamination of the at least one operating material and thus to disruptions in the intended operation of the electrolysis cells.
- MEAs membrane electrode assemblies
- H 2 O 2 formed at the electrodes can be converted into radicals when they come into contact with metal ions, which chemically attack the membrane structure of the MEAs and can thus impair the service life.
- the respective ends of the partial stacks facing the respective insulating sections are electrically insulated from the electrolysis cells.
- an electrical Insulation layer is formed, which is presently formed by a coating of an insulating material.
- the insulation material is a suitable plastic, for example.
- a corrosion-resistant metal-containing material can also be provided, for example a metal oxide or the like, in particular a ceramic material, for example.
- the respective ends 20, 22 of the partial stacks 26, 28, 30, 32, which face the respective insulating sections 38, are designed to be electrically insulated from the electrolysis cells 12. This can further reduce the corrosion effect. It has proven to be particularly advantageous if the cell supply unit 18 is electrically grounded by means of a grounding 42, which can be used as a direct ground fault or--as in FIG 4 shown - can be performed indirectly.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21188722.9A EP4124676A1 (fr) | 2021-07-30 | 2021-07-30 | Installation d'électrolyse dotée d'une pluralité de cellules d'électrolyse |
| EP22732073.6A EP4334508A1 (fr) | 2021-07-30 | 2022-05-31 | Installation d'électrolyse comprenant une pluralité de cellules d'électrolyse |
| PCT/EP2022/064726 WO2023006276A1 (fr) | 2021-07-30 | 2022-05-31 | Installation d'électrolyse comprenant une pluralité de cellules d'électrolyse |
| CA3227648A CA3227648A1 (fr) | 2021-07-30 | 2022-05-31 | Installation d'electrolyse comprenant une pluralite de cellules d'electrolyse |
| CN202280052624.0A CN117836471A (zh) | 2021-07-30 | 2022-05-31 | 具有多个电解池的电解设备 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21188722.9A EP4124676A1 (fr) | 2021-07-30 | 2021-07-30 | Installation d'électrolyse dotée d'une pluralité de cellules d'électrolyse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4124676A1 true EP4124676A1 (fr) | 2023-02-01 |
Family
ID=77155640
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21188722.9A Withdrawn EP4124676A1 (fr) | 2021-07-30 | 2021-07-30 | Installation d'électrolyse dotée d'une pluralité de cellules d'électrolyse |
| EP22732073.6A Pending EP4334508A1 (fr) | 2021-07-30 | 2022-05-31 | Installation d'électrolyse comprenant une pluralité de cellules d'électrolyse |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22732073.6A Pending EP4334508A1 (fr) | 2021-07-30 | 2022-05-31 | Installation d'électrolyse comprenant une pluralité de cellules d'électrolyse |
Country Status (4)
| Country | Link |
|---|---|
| EP (2) | EP4124676A1 (fr) |
| CN (1) | CN117836471A (fr) |
| CA (1) | CA3227648A1 (fr) |
| WO (1) | WO2023006276A1 (fr) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2407312A1 (de) * | 1974-02-15 | 1975-08-21 | Entwicklung Und Verwertun Elek | Elektrolyseanlage fuer korrosive elektrolyten |
| DE4136917C1 (fr) * | 1991-11-09 | 1993-02-04 | Metallgesellschaft Ag, 6000 Frankfurt, De | |
| US5296121A (en) * | 1992-08-24 | 1994-03-22 | The Dow Chemical Company | Target electrode for preventing corrosion in electrochemical cells |
| US20100078317A1 (en) * | 2008-09-30 | 2010-04-01 | General Electric Company | Pressurized electrolysis stack with thermal expansion capability |
| DE102011007759A1 (de) | 2011-04-20 | 2012-10-25 | Siemens Aktiengesellschaft | Elektrolysezelle mit einem Blechpaket übereinander gestapelter Bleche mit Ausnehmungen und Verfahren zu deren Herstellung und Betrieb |
| DE102019205316A1 (de) | 2019-04-12 | 2020-10-15 | Siemens Aktiengesellschaft | Energieeffiziente Wasserstoffherstellung |
| DE212018000414U1 (de) | 2018-05-03 | 2020-12-08 | Siemens Aktiengesellschaft | Wasserstofferzeugungssystem |
| WO2020259888A1 (fr) * | 2019-06-24 | 2020-12-30 | Siemens Aktiengesellschaft | Système d'électrolyse et procédé de stockage d'énergie électrique au moyen du système d'électrolyse |
| US20210115573A1 (en) * | 2018-03-27 | 2021-04-22 | Tokuyama Corporation | Electrolysis vessel for alkaline water electrolysis |
-
2021
- 2021-07-30 EP EP21188722.9A patent/EP4124676A1/fr not_active Withdrawn
-
2022
- 2022-05-31 EP EP22732073.6A patent/EP4334508A1/fr active Pending
- 2022-05-31 CA CA3227648A patent/CA3227648A1/fr active Pending
- 2022-05-31 CN CN202280052624.0A patent/CN117836471A/zh active Pending
- 2022-05-31 WO PCT/EP2022/064726 patent/WO2023006276A1/fr active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2407312A1 (de) * | 1974-02-15 | 1975-08-21 | Entwicklung Und Verwertun Elek | Elektrolyseanlage fuer korrosive elektrolyten |
| DE4136917C1 (fr) * | 1991-11-09 | 1993-02-04 | Metallgesellschaft Ag, 6000 Frankfurt, De | |
| US5296121A (en) * | 1992-08-24 | 1994-03-22 | The Dow Chemical Company | Target electrode for preventing corrosion in electrochemical cells |
| US20100078317A1 (en) * | 2008-09-30 | 2010-04-01 | General Electric Company | Pressurized electrolysis stack with thermal expansion capability |
| DE102011007759A1 (de) | 2011-04-20 | 2012-10-25 | Siemens Aktiengesellschaft | Elektrolysezelle mit einem Blechpaket übereinander gestapelter Bleche mit Ausnehmungen und Verfahren zu deren Herstellung und Betrieb |
| US20210115573A1 (en) * | 2018-03-27 | 2021-04-22 | Tokuyama Corporation | Electrolysis vessel for alkaline water electrolysis |
| DE212018000414U1 (de) | 2018-05-03 | 2020-12-08 | Siemens Aktiengesellschaft | Wasserstofferzeugungssystem |
| DE102019205316A1 (de) | 2019-04-12 | 2020-10-15 | Siemens Aktiengesellschaft | Energieeffiziente Wasserstoffherstellung |
| WO2020259888A1 (fr) * | 2019-06-24 | 2020-12-30 | Siemens Aktiengesellschaft | Système d'électrolyse et procédé de stockage d'énergie électrique au moyen du système d'électrolyse |
Also Published As
| Publication number | Publication date |
|---|---|
| CA3227648A1 (fr) | 2023-02-02 |
| CN117836471A (zh) | 2024-04-05 |
| WO2023006276A1 (fr) | 2023-02-02 |
| EP4334508A1 (fr) | 2024-03-13 |
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