DK2084308T3 - Katode til elektrolytiske processer - Google Patents
Katode til elektrolytiske processer Download PDFInfo
- Publication number
- DK2084308T3 DK2084308T3 DK07821096.0T DK07821096T DK2084308T3 DK 2084308 T3 DK2084308 T3 DK 2084308T3 DK 07821096 T DK07821096 T DK 07821096T DK 2084308 T3 DK2084308 T3 DK 2084308T3
- Authority
- DK
- Denmark
- Prior art keywords
- cathode
- compound
- iii
- nitrate
- palladium
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 30
- 230000008569 process Effects 0.000 title claims description 24
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 65
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 56
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 48
- 229910052763 palladium Inorganic materials 0.000 claims description 24
- 229910052759 nickel Inorganic materials 0.000 claims description 23
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 21
- 230000003197 catalytic effect Effects 0.000 claims description 21
- 230000004913 activation Effects 0.000 claims description 20
- 238000001994 activation Methods 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 18
- 229910002651 NO3 Inorganic materials 0.000 claims description 17
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 17
- 229910052697 platinum Inorganic materials 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 15
- 239000011651 chromium Substances 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- RRAFCDWBNXTKKO-UHFFFAOYSA-N eugenol Chemical compound COC1=CC(CC=C)=CC=C1O RRAFCDWBNXTKKO-UHFFFAOYSA-N 0.000 claims description 14
- 229910052707 ruthenium Inorganic materials 0.000 claims description 13
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 239000010948 rhodium Substances 0.000 claims description 9
- 238000005868 electrolysis reaction Methods 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- NPBVQXIMTZKSBA-UHFFFAOYSA-N Chavibetol Natural products COC1=CC=C(CC=C)C=C1O NPBVQXIMTZKSBA-UHFFFAOYSA-N 0.000 claims description 7
- 239000005770 Eugenol Substances 0.000 claims description 7
- UVMRYBDEERADNV-UHFFFAOYSA-N Pseudoeugenol Natural products COC1=CC(C(C)=C)=CC=C1O UVMRYBDEERADNV-UHFFFAOYSA-N 0.000 claims description 7
- 229960002217 eugenol Drugs 0.000 claims description 7
- 238000011068 loading method Methods 0.000 claims description 7
- 239000004332 silver Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- CLHMLJLPKQQWHI-UHFFFAOYSA-N [N+](=O)(ON)[O-].[N+](=O)(ON)[O-] Chemical compound [N+](=O)(ON)[O-].[N+](=O)(ON)[O-] CLHMLJLPKQQWHI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052703 rhodium Inorganic materials 0.000 claims description 6
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- PNPIRSNMYIHTPS-UHFFFAOYSA-N nitroso nitrate Chemical compound [O-][N+](=O)ON=O PNPIRSNMYIHTPS-UHFFFAOYSA-N 0.000 claims description 4
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical group [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 16
- 238000010438 heat treatment Methods 0.000 claims 2
- 239000010970 precious metal Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 16
- 238000007669 thermal treatment Methods 0.000 description 10
- 239000002243 precursor Substances 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 229910000510 noble metal Inorganic materials 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 229910017604 nitric acid Inorganic materials 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 238000002484 cyclic voltammetry Methods 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 4
- 238000005488 sandblasting Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 229910052684 Cerium Inorganic materials 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 3
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012696 Pd precursors Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000003843 chloralkali process Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000480 nickel oxide Inorganic materials 0.000 description 2
- 230000009993 protective function Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- ROZSPJBPUVWBHW-UHFFFAOYSA-N [Ru]=O Chemical class [Ru]=O ROZSPJBPUVWBHW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 150000001785 cerium compounds Chemical class 0.000 description 1
- 239000003251 chemically resistant material Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 229910003445 palladium oxide Inorganic materials 0.000 description 1
- SWELZOZIOHGSPA-UHFFFAOYSA-N palladium silver Chemical compound [Pd].[Ag] SWELZOZIOHGSPA-UHFFFAOYSA-N 0.000 description 1
- JQPTYAILLJKUCY-UHFFFAOYSA-N palladium(ii) oxide Chemical compound [O-2].[Pd+2] JQPTYAILLJKUCY-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- -1 rare earth chloride Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
-
- 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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
- C25B11/097—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds comprising two or more noble metals or noble metal alloys
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/08—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of metallic material
-
- 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
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
-
- 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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
-
- 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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Catalysts (AREA)
- Chemically Coating (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Secondary Cells (AREA)
- Electrolytic Production Of Metals (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Claims (23)
1. Katode til elektrolytiske processer indbefattende et nikkelsubstrat tilvejebragt med en coating, hvilken coating omfatter to fysisk distinkte zoner bestående af en beskyttelseszone og en katalytisk aktiveringszone, hvor beskyttelseszonen indeholder palladium, og aktiveringszonen indeholder en platin- og/eller ruthenium-katalysator til hydrogen-evolution.
2. Katode ifølge krav 1, hvor palladium i beskyttelseszonen er blandet med sølv i et molforhold på 15 til 25 %.
3. Katode ifølge krav 1 eller 2, hvor beskyttelseszonen består af et mellemlag i kontakt med nikkelsubstratet, og aktiveringszonen består af et udvendigt katalytisk lag.
4. Katode ifølge et hvilket som helst af de foregående krav, hvor katalysatoren for hydrogen-evolution endvidere omfatter mindst ét oxid af et yderligere grundstof udvalgt fra gruppen bestående af chrom og sjældne jordarter.
5. Katode ifølge krav 1 eller 2, hvor beskyttelseszonen omfattende palladium består af øer dispergeret inde i aktiveringszonen.
6. Katode ifølge krav 5, hvor katalysatoren for hydrogen-evolution endvidere omfatter mindst ét oxid af et yderligere grundstof udvalgt fra gruppen bestående af chrom og sjældne jordarter.
7. Katode ifølge krav 4 eller 6, hvor det yderligere grundstof er praseodymium og Pt:Pr-molforholdet er 1:2 til 2:1.
8. Katode ifølge et hvilket som helst af de foregående krav, hvor den specifikke indladning af Pd udtrykt som grundstof er 0,5 til 2 g/m2, og den overordnede specifikke indladning af Pt og Ru udtrykt som grundstoffer er 0,8 til 5 g/m2.
9. Katode ifølge et hvilket som helst af de foregående krav, hvor aktiveringszonen indeholder rhodium ved en specifik indladning på 10 til 20 % af den overordnede ædelmetalindladning i aktiveringszonen.
10. Fremgangsmåde til fremstilling af en katode ifølge ethvert af kravene 1 til 3 omfattende følgende trin: - fremstilling af en vandig opløsning indeholdende mindst én termisk dekomponerbar Pd-forbindelse - fremstilling af en hydroalkoholisk opløsning indeholdende mindst én termisk dekomponerbar forbindelse af Pt og/eller Ru - tilsætning af den vandige opløsning til et nikkelsubstrat i multiple cyklusser med udførelse af en dekomponeringsvarmebehandling efter hver cyklus, indtil der opnås en palladium-holdig aflejring - tilsætning af den hydroalkoholiske opløsning til den palladium-holdige aflejring i multiple cyklusser med udførelse af en dekomponeringsvarmebehandling efter hver cyklus, indtil der opnås en Pt- og/eller Ru-holdig aflejring.
11. Fremgangsmåde ifølge krav 10, hvor den vandige opløsning indeholder Pd (ll)-nitrat.
12. Fremgangsmåde ifølge krav 10 eller 11, hvor den hydroalkoholiske opløsning indeholder mindst én forbindelse af Pt (II) og/eller Ru (III) i en blanding af 2-propanol, eugenol og vand.
13. Fremgangsmåde ifølge krav 12, hvor forbindelsen af Pt (II) er Pt (II)-diaminodinitrat, og forbindelsen af Ru (III) er Ru (lll)-nitrosylnitrat.
14. Fremgangsmåde ifølge krav 10 til fremstilling af en katode ifølge krav 4, hvor den hydroalkoholiske opløsning endvidere indeholder mindst én forbindelse af et grundstof udvalgt fra gruppen bestående af chrom og sjældne jordarter, hvilke forbindelser er termisk dekomponerbare, og hvor den hydroalkoholiske opløsning sættes til den palladium-holdige aflejring, indtil der opnås en aflejring indeholdende Pt- og/eller Ru blandet med mindst ét oxid af et grundstof udvalgt fra gruppen bestående af chrom og sjældne jordarter.
15. Fremgangsmåde ifølge krav 14, hvor den vandige opløsning indeholder Pd (ll)-nitrat.
16. Fremgangsmåde ifølge krav 14 eller 15, hvor den hydroalkoholiske opløsning indeholder mindst én forbindelse af Pt (II) og/eller Ru (III), og mindst én forbindelse af et grundstof udvalgt fra gruppen bestående af chrom og sjældne jordarter, i en blanding af 2-propanol, eugenol og vand.
17. Fremgangsmåde ifølge krav 16, hvor den mindst ene forbindelse af Pt (II) og/eller Ru (III) er Pt (ll)-diaminodinitrat eller Ru (lll)-nitrosylnitrat, og den mindst ene forbindelse af et grundstof udvalgt fra gruppen bestående af chrom og sjældne jordarter er Pr (lll)-nitrat eller Cr (lll)-nitrat.
18. Fremgangsmåde til fremstilling af en katode ifølge krav 5 eller 6 omfattende følgende trin: - fremstilling af en hydroalkoholisk opløsning indeholdende mindst én termisk dekomponerbar forbindelse af Pd og mindst én forbindelse af Pt- og/eller Ru, hvilke forbindelser er termisk dekomponerbare - tilsætning af opløsningen til et nikkelsubstrat i multiple cyklusser med udførelse af en dekomponeringsvarmebehandling efter hver cyklus, indtil der opnås en Pt- og/eller Ru-holdig aflejring og adskilte palladi-um-holdige øer, hvor den specifikke indladning af Pd udtrykt som grundstof er 0,5 til 2 g/m2, og den overordnede specifikke indladning af Pt og Ru udtrykt som grundstoffer er 0,8 til 5 g/m2.
19. Fremgangsmåde ifølge krav 18, hvor opløsningen endvidere indeholder mindst én forbindelse af et grundstof udvalgt fra gruppen bestående af chrom og sjældne jordarter.
20. Fremgangsmåde ifølge krav 18 eller 19, hvor opløsningen også indeholder mindst én forbindelse af Ag, og de adskilte øer indeholder Ag.
21. Fremgangsmåde ifølge ét af kravene18 til 20, hvor den mindst ene forbindelse af Pd er Pd(ll)-nitrat og Pt- og/eller Ru-forbindelsen er Pt (II)-diamino-dinitrat eller Ru (lll)-nitrosylnitrat.
22. Fremgangsmåde ifølge ét af kravene19 til 21, hvor den mindst ene forbindelse af et grundstof udvalgt fra gruppen bestående af chrom og sjældne jordarter er Pr (lll)-nitrat eller Cr (lll)-nitrat.
23. Celle til elektrolyse af en alkalichlorid-lage indbefattende mindst én katode ifølge ethvert af kravene 1 til 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT001947A ITMI20061947A1 (it) | 2006-10-11 | 2006-10-11 | Catodo per processi elettrolitici |
| PCT/EP2007/060728 WO2008043766A2 (en) | 2006-10-11 | 2007-10-09 | Cathode for electrolytic processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK2084308T3 true DK2084308T3 (da) | 2016-08-22 |
Family
ID=39166910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK07821096.0T DK2084308T3 (da) | 2006-10-11 | 2007-10-09 | Katode til elektrolytiske processer |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US7943020B2 (da) |
| EP (1) | EP2084308B1 (da) |
| JP (1) | JP5553605B2 (da) |
| KR (1) | KR101406026B1 (da) |
| CN (1) | CN101522952B (da) |
| AU (1) | AU2007306373B2 (da) |
| BR (1) | BRPI0719830B1 (da) |
| CA (1) | CA2665569C (da) |
| DK (1) | DK2084308T3 (da) |
| ES (1) | ES2583989T3 (da) |
| HU (1) | HUE028214T2 (da) |
| IL (1) | IL197751A (da) |
| IT (1) | ITMI20061947A1 (da) |
| MX (1) | MX2009003792A (da) |
| NO (1) | NO341616B1 (da) |
| PL (1) | PL2084308T3 (da) |
| PT (1) | PT2084308T (da) |
| RU (1) | RU2446235C2 (da) |
| TW (1) | TWI417423B (da) |
| WO (1) | WO2008043766A2 (da) |
| ZA (1) | ZA200902129B (da) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20091719A1 (it) | 2009-10-08 | 2011-04-09 | Industrie De Nora Spa | Catodo per processi elettrolitici |
| NO2518185T3 (da) * | 2009-12-25 | 2018-02-10 | ||
| EP2534282B8 (en) * | 2010-02-10 | 2018-09-19 | De Nora Permelec Ltd | Activated cathode for hydrogen evolution |
| ITMI20100268A1 (it) * | 2010-02-22 | 2011-08-23 | Industrie De Nora Spa | Elettrodo per processi elettrolitici e metodo per il suo ottenimento |
| ITMI20110735A1 (it) * | 2011-05-03 | 2012-11-04 | Industrie De Nora Spa | Elettrodo per processi elettrolitici e metodo per il suo ottenimento |
| CN102321892B (zh) * | 2011-09-09 | 2014-02-19 | 重庆大学 | 一种复合型活性阴极的制备方法 |
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| RU2487198C1 (ru) * | 2012-05-22 | 2013-07-10 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Дальневосточный федеральный университет" | Металлоксидный электрод, способ его получения и применение |
| ITMI20122030A1 (it) * | 2012-11-29 | 2014-05-30 | Industrie De Nora Spa | Catodo per evoluzione elettrolitica di idrogeno |
| JP2019510885A (ja) * | 2016-04-07 | 2019-04-18 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ | クロルアルカリ電気分解用の二機能性電極および電気分解デバイス |
| JP6734920B2 (ja) * | 2017-02-15 | 2020-08-05 | 旭化成株式会社 | 陰極、その製造方法、およびそれを用いた電解槽、水素製造方法 |
| JP6948384B2 (ja) | 2017-03-23 | 2021-10-13 | 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 |
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| CN112041482B (zh) | 2018-07-06 | 2023-06-16 | 株式会社Lg化学 | 用于电解的还原电极的活性层组合物以及由其得到的还原电极 |
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| IT202100020735A1 (it) | 2021-08-02 | 2023-02-02 | Industrie De Nora Spa | Elettrodo per evoluzione elettrolitica di idrogeno |
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