DK2909363T3 - Elektrolysecelle af alkaliopløsninger - Google Patents

Elektrolysecelle af alkaliopløsninger Download PDF

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Publication number
DK2909363T3
DK2909363T3 DK13777049.1T DK13777049T DK2909363T3 DK 2909363 T3 DK2909363 T3 DK 2909363T3 DK 13777049 T DK13777049 T DK 13777049T DK 2909363 T3 DK2909363 T3 DK 2909363T3
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Denmark
Prior art keywords
cathodic
chamber
anodic
membrane
electrolyte
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DK13777049.1T
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English (en)
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Luciano Iacopetti
Antonio Lorenzo Antozzi
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Industrie De Nora Spa
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
    • H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
    • 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
    • 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
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/03—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
    • C25B11/031—Porous electrodes
    • 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
    • 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
    • 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
    • Y02E60/50—Fuel cells

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)

Claims (7)

1. Celle til elektrolyse af alkaliopløsninger, som er underinddelt af en kation-bytningsmembran i et anodisk og et katodisk kammer, hvor det anodiske kammer består af et væskekammer, som er afgrænset af en anodisk væg og af membranen og fyldt med en alkalisk elektrolyt, der består af en vandig opløsning af kaustisk soda ved en koncentration af 10 til 45 vægt%, hvor det anodiske kammer indeholder en anode, der er egnet til oxygenudvikling og omfatter midler til tilførsel og udledning af den alkaliske elektrolyt, hvor det katodiske kammer består af et gaskammer, som afgrænses af en katodisk væg og membranen, hvor det katodiske kammer indeholder en gasdiffusionskatode i tæt kontakt med membranen gennem et katalytisk aktiveret lag, som eventuelt indeholder platinum, hvor gasdiffusionskatoden er egnet til perkolering af en elektrolytfilm, som kommer fra det anodiske kammer, hvor gasdiffusionskatoden er forsynet med et porøst lag, som er egnet til gastransport, hvor det katalytisk aktiverede lag af gasdiffusionskatoden er et hydrofilt lag, som er egnet til perkoleringen af elektrolytfilmen, hvor gasdiffusionskatoden yderligere omfatter et udvendigt hydrofobisk lag, som er egnet til at gøre det nemmere at frigive hydrogen til det katodiske gaskammer.
2. Celle ifølge krav 1, hvor kationudvekslingsmembranen er et uforstærket monolag af sulfonmembran.
3. Celle ifølge et hvilket som helst af de foregående krav, hvor gasdiffusionskatoden og den katodiske væg bringes i elektrisk kontakt ved hjælp af en strømaftager, som består af en porøs metalstruktur, eventuelt nikkel- eller stålskum.
4. Celle ifølge et hvilket som helst af de foregående krav, hvor den anode, som er egnet til oxygenudvikling, og den katodiske væg bringes i elektrisk kontakt ved hjælp af en strømaftager, som består af en porøs metalstruktur, eventuelt nikkel- eller stålskum eller -måtte.
5. Celle ifølge et hvilket som helst af de foregående krav, hvor den anode, som er egnet til oxygenudvikling, består af et substrat, der er fremstillet af nikkeleller ståltrådnet eller en udvidet eller stanset plade, eventuelt aktiveret med en katalytisk coating, i direkte kontakt med membranen.
6. Elektrolysator af alkaliopløsninger, bestående af en modulær indretning af celler ifølge et hvilket som helst af de foregående krav, elektrisk forbundet gennem den anodiske og katodiske væg ifølge en bipolar eller monopolar konfiguration.
7. Fremgangsmåde til elektrolyse i en celle ifølge et hvilket som helst af kravene 1 til 5, omfattende de følgende samtidige eller på hinanden følgende trin: - tilførsel af en elektrolyt, der består af en vandig opløsning af kaustisk soda med en koncentration på 10 til 45 vægt% til det anodiske kammer, med per-kolering af en elektrolytfilm indvendigt i gasdiffusionskatoden; - forbindelse af det katodiske kammer med den negative pol og af det anodiske kammer med den positive pol af en effektenhed, med efterfølgende forsyning af elektrisk jævnstrøm; - katodisk udvikling af hydrogen indvendigt i elektrolytfilmen og udledning af hydrogen fra det katodiske kammer; - udvikling af oxygen på overfladen af anoden; - udtagning af udstødningselektrolyt, der indeholder opløst oxygen fra det anodiske kammer.
DK13777049.1T 2012-10-16 2013-10-15 Elektrolysecelle af alkaliopløsninger DK2909363T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT001736A ITMI20121736A1 (it) 2012-10-16 2012-10-16 Cella di elettrolisi di soluzioni alcaline
PCT/EP2013/071534 WO2014060417A1 (en) 2012-10-16 2013-10-15 Electrolysis cell of alkali solutions

Publications (1)

Publication Number Publication Date
DK2909363T3 true DK2909363T3 (da) 2018-07-30

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US (1) US10968526B2 (da)
EP (1) EP2909363B1 (da)
JP (1) JP6324392B2 (da)
KR (1) KR102212534B1 (da)
CN (1) CN104662203B (da)
AR (1) AR092998A1 (da)
AU (1) AU2013334007B2 (da)
DK (1) DK2909363T3 (da)
ES (1) ES2678268T3 (da)
IL (1) IL237320A0 (da)
IT (1) ITMI20121736A1 (da)
TW (1) TW201419647A (da)
UY (1) UY35080A (da)
WO (1) WO2014060417A1 (da)

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Also Published As

Publication number Publication date
JP6324392B2 (ja) 2018-05-16
WO2014060417A1 (en) 2014-04-24
AU2013334007A1 (en) 2015-03-12
UY35080A (es) 2014-05-30
EP2909363A1 (en) 2015-08-26
IL237320A0 (en) 2015-04-30
ES2678268T3 (es) 2018-08-09
CN104662203B (zh) 2018-06-05
KR20150070293A (ko) 2015-06-24
ITMI20121736A1 (it) 2014-04-17
AU2013334007B2 (en) 2017-08-31
TW201419647A (zh) 2014-05-16
KR102212534B1 (ko) 2021-02-09
US20150240368A1 (en) 2015-08-27
US10968526B2 (en) 2021-04-06
JP2015536383A (ja) 2015-12-21
EP2909363B1 (en) 2018-05-30
CN104662203A (zh) 2015-05-27
AR092998A1 (es) 2015-05-13

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