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1. WO2001040549 - ELECTROCHEMICAL CELL FOR ELECTROLYSERS WITH STAND-ALONE ELEMENT TECHNOLOGY

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Publication Number WO/2001/040549
Publication Date 07.06.2001
International Application No. PCT/EP2000/011531
International Filing Date 20.11.2000
Chapter 2 Demand Filed 01.06.2001
IPC
C25B 9/08 2006.1
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies
06Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
08with diaphragms
C25B 9/18 2006.1
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies
18Assemblies comprising a plurality of cells
CPC
C25B 1/04
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
1Electrolytic production of inorganic compounds or non-metals
01Products
02Hydrogen or oxygen
04by electrolysis of water
C25B 15/02
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
15Operating or servicing cells
02Process control or regulation
C25B 9/19
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
17Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
19with diaphragms
C25B 9/63
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
60Constructional parts of cells
63Holders for electrodes; Positioning of the electrodes
C25B 9/70
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
70Assemblies comprising two or more cells
Applicants
  • BAYER AKTIENGESELLSCHAFT [DE]/[DE] (AllExceptUS)
  • GESTERMANN, Fritz [DE]/[DE] (UsOnly)
Inventors
  • GESTERMANN, Fritz
Common Representative
  • BAYER AKTIENGESELLSCHAFT
Priority Data
199 59 079.601.12.1999DE
Publication Language German (de)
Filing Language German (DE)
Designated States
Title
(DE) ELEKTROCHEMISCHE ZELLE FÜR ELEKTROLYSEURE MIT EINZELELEMENTTECHNIK
(EN) ELECTROCHEMICAL CELL FOR ELECTROLYSERS WITH STAND-ALONE ELEMENT TECHNOLOGY
(FR) CELLULE ELECTROCHIMIQUE POUR ELECTROLYSEURS CONÇUE SELON LA TECHNIQUE DES ELEMENTS INDIVIDUELS
front page image
Abstract
(DE) Es wird eine elektrochemische Zelle für das Membranelektrolyseverfahren für Elektrolyseure mit Einzelelementtechnik beschrieben. Die Zelle besteht wenigstens aus 2 Halbschalen (8, 10), die einen Anolytraum (16) und einen Kathodenraum (22) mit dazwischen angeordneter Membran (5) umgeben, einer Anode (6) im Anolytraum (16), wobei der Kathodenraum (22) mit einer Sauerstoffverzehrkathode (4), mit mehreren übereinander angeordneten druckkompensierten Gastaschen (15), einem Katholytspalt (14) und gegebenenfalls einem Rückraum (19) versehen ist, wobei elektrisch leitende Stützelemente (7) im Anolytraum (16) und Stützelemente (3, 2, 1) im Kathodenraum (22) auf gleicher einander gegenüberliegender Position vorgesehen sind.
(EN) The invention relates to an electrochemical cell for membrane electrolysis procedures for electrolysers with stand-alone element technology. Said cell consists of at least two half-shells (8, 10), which surround an anolyte chamber (16) and a cathode chamber (22) between which a membrane (5) is situated, and an anode (6), which is situated in the analyte chamber (16). The cathode chamber (22) is provided with an oxygen consuming cathode (4) with several superposed pressure-compensated gas pockets (15), a catholyte gap (14) and optionally, a back chamber (19). Electroconductive support elements (7) in the analyte chamber (16) and support elements (3, 2, 1) in the cathode chamber (22) are provided in identical positions opposite each other.
(FR) L'invention concerne une cellule électrochimique pour la mise en oeuvre du procédé d'électrolyse par membrane, pour électrolyseurs, conçue selon la technique des éléments individuels. Cette cellule est constituée d'au moins deux demi-coques (8, 10) qui entourent une chambre à anolyte (16) et une chambre de cathode (22), une membrane (25) étant disposée entre ces deux chambres, et d'une anode (6) qui est placée dans la chambre à anolyte (16). La chambre à cathode (22) comporte une cathode de consommation d'oxygène (4), de plusieurs cavités à gaz (15) à compensation de pression, placées les unes sur les autres, une fente à catholyte (14) et, éventuellement, d'une chambre arrière (19). Des éléments de support (7) électroconducteurs sont placés dans la chambre à anolyte (16) et des éléments de support (3, 2, 1) sont placés dans la chambre de cathode (22) de façon à être alignés les uns avec les autres.
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