EP2663669A1 - Beschichtung für metallische zellelement-werkstoffe einer elektrolysezelle - Google Patents

Beschichtung für metallische zellelement-werkstoffe einer elektrolysezelle

Info

Publication number
EP2663669A1
EP2663669A1 EP11793333.3A EP11793333A EP2663669A1 EP 2663669 A1 EP2663669 A1 EP 2663669A1 EP 11793333 A EP11793333 A EP 11793333A EP 2663669 A1 EP2663669 A1 EP 2663669A1
Authority
EP
European Patent Office
Prior art keywords
cell
coating
metallic
element materials
electrolytic 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.)
Granted
Application number
EP11793333.3A
Other languages
English (en)
French (fr)
Other versions
EP2663669B1 (de
Inventor
Peter Woltering
Randolf Kiefer
Rainer Weber
Andreas Bulan
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.)
Bayer Intellectual Property GmbH
Thyssenkrupp Nucera Italy SRL
Original Assignee
Bayer Intellectual Property GmbH
ThyssenKrupp Uhde GmbH
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 Bayer Intellectual Property GmbH, ThyssenKrupp Uhde GmbH filed Critical Bayer Intellectual Property GmbH
Publication of EP2663669A1 publication Critical patent/EP2663669A1/de
Application granted granted Critical
Publication of EP2663669B1 publication Critical patent/EP2663669B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm 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
    • 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
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
    • 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
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • 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
    • 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
    • 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
    • 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

Definitions

  • the nickel components of the electrolysis cells were galvanized silver. In this case, a layer thickness of about 10 ⁇ ⁇ was applied to the nickel.
  • test series 2 again show a voltage increase. This time this took place continuously.
  • the start-up and shut-down processes that repeatedly occurred during the operating time had no visible influence on the cell voltage, as was observed in test series 1 with reference to FIG.
  • a first layer deposited directly on the cell element materials is selected from a group comprising Au, B doped nickel, Ni sulfides, and Contains mixtures thereof, wherein said first layer has a layer thickness of 0.005 to 0.2 ⁇ , and
  • Electrolysis cell voltage of the test series 2 shown is the voltage curve over 80 days of operation of an electrolytic cell using metallic cell element components, which is provided with a 10 pm thick silver layer.
  • Fig. 8 Cross section in the scale 25: 1 of the silver-plated nickel wire with gold interlayer from test series 3
  • test series 3 two electrolysis cells were tested in continuous operation analogously to test series 2. Both cells have an active electrolytic area of 2.7m 2 and are equipped with Flemion membranes F8020.
  • the continuous current density was 4 kA / m 2 , the operating temperature 88 ° C, the NaCl anolyte concentration 210 g / l, the NaOH catholyte effluent concentration of 32% w / w and stoichiometric excess of the wet saturated oxygen was again 20%.
  • FIG. 7 shows the voltage curve in test series 3 over 240 operating days. Different symbols are used for the two electrolysis cells (closed diamonds and open triangles).
  • FIG. 11 shows a basic arrangement of the metallic cell element components provided with the coating according to the invention.
  • the basis is the cathode half-shell (1).
  • Parallel to the narrow side wall metallic webs (2) are mounted, which are welded to both the rear wall and with the component power distributor (3).
  • the component spring element (4) is pressed.
  • the plane-parallel arranged oxygen-consuming cathode consists of a perforated metallic carrier or carrier network (5) and a rolled thereon catalyst strip (6), which enters the normal operation of the electrolytic cell with the metallic carrier (5) and the spring element (4), a compound characterized by a high conductivity and thus a low ohmic resistance.

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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
EP20110793333 2011-01-10 2011-11-29 Beschichtung für metallische zellelement-werkstoffe einer elektrolysezelle Not-in-force EP2663669B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011008163A DE102011008163A1 (de) 2011-01-10 2011-01-10 Beschichtung für metallische Zellelement-Werkstoffe einer Elektrolysezelle
PCT/EP2011/005965 WO2012095126A1 (de) 2011-01-10 2011-11-29 Beschichtung für metallische zellelement-werkstoffe einer elektrolysezelle

Publications (2)

Publication Number Publication Date
EP2663669A1 true EP2663669A1 (de) 2013-11-20
EP2663669B1 EP2663669B1 (de) 2015-04-29

Family

ID=45217479

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110793333 Not-in-force EP2663669B1 (de) 2011-01-10 2011-11-29 Beschichtung für metallische zellelement-werkstoffe einer elektrolysezelle

Country Status (8)

Country Link
EP (1) EP2663669B1 (de)
JP (1) JP2014505793A (de)
KR (1) KR20140034138A (de)
CN (1) CN103492616A (de)
CA (1) CA2824173A1 (de)
DE (1) DE102011008163A1 (de)
RU (1) RU2573558C2 (de)
WO (1) WO2012095126A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103981533A (zh) * 2014-05-30 2014-08-13 李欣 一种电解臭氧发生器的阴极紧固弹簧压板结构

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US2973571A (en) * 1953-09-15 1961-03-07 Philips Corp Current conductor
US4340452A (en) * 1979-08-03 1982-07-20 Oronzio deNora Elettrochimici S.p.A. Novel electrolysis cell
DE3710168A1 (de) 1987-03-27 1988-10-13 Varta Batterie Verfahren zur herstellung einer kunststoffgebundenen gasdiffusionselektrode mit metallischen elektrokatalysatoren
US5013414A (en) * 1989-04-19 1991-05-07 The Dow Chemical Company Electrode structure for an electrolytic cell and electrolytic process used therein
JPH08283979A (ja) * 1995-04-10 1996-10-29 Permelec Electrode Ltd ガス拡散電極とそれを使用する電解方法
CN1226289A (zh) * 1996-08-21 1999-08-18 陶氏化学公司 耐久的电极涂料
EP1033419B1 (de) 1998-08-25 2006-01-11 Toagosei Co., Ltd. Elektrolytische sodazelle mit gasdiffusionselektrode
US6372102B1 (en) 1998-10-13 2002-04-16 Toagosei Co., Ltd. Method for reducing charge in gas diffusing electrode and its charge reducing structure
EP1092789B1 (de) 1999-03-31 2011-08-10 Toagosei Co., Ltd. Elektrolytische zelle mit gasdiffusionselektrode und stromverteilungsverfahren für elektrolytische zelle
WO2001048852A1 (en) * 1999-12-23 2001-07-05 The Regents Of The University Of California Flow channel device for electrochemical cells
IT1317753B1 (it) 2000-02-02 2003-07-15 Nora S P A Ora De Nora Impiant Cella di elettrolisi con elettrodo a diffusione di gas.
JP3707985B2 (ja) * 2000-03-22 2005-10-19 株式会社トクヤマ アルカリ金属塩電解槽
KR100551329B1 (ko) * 2000-11-13 2006-02-09 악조 노벨 엔.브이. 가스 확산 전극 및 그 제조방법, 그리고 가스 확산 전극을 포함하는 전해 전지
DE10130441B4 (de) 2001-06-23 2005-01-05 Uhde Gmbh Verfahren zum Herstellen von Gasdiffusionselektroden
ITMI20012379A1 (it) 2001-11-12 2003-05-12 Uhdenora Technologies Srl Cella di elettrolisi con elettrodi a diffusione di gas
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Also Published As

Publication number Publication date
WO2012095126A1 (de) 2012-07-19
EP2663669B1 (de) 2015-04-29
JP2014505793A (ja) 2014-03-06
KR20140034138A (ko) 2014-03-19
CN103492616A (zh) 2014-01-01
DE102011008163A1 (de) 2012-07-12
CA2824173A1 (en) 2012-07-19
RU2013134646A (ru) 2015-02-20
RU2573558C2 (ru) 2016-01-20

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