EP3569740A4 - Electrode for electrolysis, electrolytic cell, electrode laminate and method for renewing electrode - Google Patents

Electrode for electrolysis, electrolytic cell, electrode laminate and method for renewing electrode Download PDF

Info

Publication number: EP3569740A4
Authority: EP; European Patent Office
Prior art keywords: electrode; electrolysis; renewing; electrolytic cell; laminate
Prior art date: 2017-01-13
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.): Pending

Application number

EP17891083.2A

Other languages

German (de)

French (fr)

Other versions

EP3569740A1 (en

Inventor

Makoto Nishizawa

Yoshifumi Kado

Toshinori Hachiya

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.)

Asahi Kasei Corp

Asahi Chemical Industry Co Ltd

Original Assignee

Asahi Kasei Corp

Asahi Chemical Industry Co Ltd

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.)

2017-01-13

Filing date

2017-12-28

Publication date

2020-04-08

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=62839803&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3569740(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2017-12-28 Application filed by Asahi Kasei Corp, Asahi Chemical Industry Co Ltd filed Critical Asahi Kasei Corp

2019-11-20 Publication of EP3569740A1 publication Critical patent/EP3569740A1/en

2020-04-08 Publication of EP3569740A4 publication Critical patent/EP3569740A4/en

Status Pending legal-status Critical Current

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
- 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
- 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
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- 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

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)
Electrodes For Compound Or Non-Metal Manufacture (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

EP17891083.2A 2017-01-13 2017-12-28 Electrode for electrolysis, electrolytic cell, electrode laminate and method for renewing electrode Pending EP3569740A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2017004383		2017-01-13
PCT/JP2017/047365 WO2018131519A1 (en)	2017-01-13	2017-12-28	Electrode for electrolysis, electrolytic cell, electrode laminate and method for renewing electrode

Publications (2)

Publication Number	Publication Date
EP3569740A1 EP3569740A1 (en)	2019-11-20
EP3569740A4 true EP3569740A4 (en)	2020-04-08

Family

ID=62839803

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17891083.2A Pending EP3569740A4 (en)	2017-01-13	2017-12-28	Electrode for electrolysis, electrolytic cell, electrode laminate and method for renewing electrode

Country Status (8)

Country	Link
US (1)	US20190360112A1 (en)
EP (1)	EP3569740A4 (en)
JP (2)	JP6778459B2 (en)
KR (2)	KR102349667B1 (en)
CN (2)	CN110023541B (en)
BR (1)	BR112019013822A2 (en)
TW (1)	TWI666343B (en)
WO (1)	WO2018131519A1 (en)

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KR102503553B1 (en) *	2019-02-22	2023-02-27	주식회사 엘지화학	Electrode for Electrolysis
KR102651660B1 (en) *	2019-06-18	2024-03-26	티센크루프 누세라 아게 운트 콤파니 카게아아	Electrolysis electrodes and electrolyzers
JP7464313B1 (en)	2023-01-20	2024-04-09	ウェスコエレクトロードシーオーエルティーディー	Electrode for chlor-alkali electrolysis using ion exchange membrane method, its manufacturing method and zero gap type ion exchange membrane electrolytic cell using same

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2017
- 2017-12-28 KR KR1020197019742A patent/KR102349667B1/en active IP Right Grant
- 2017-12-28 WO PCT/JP2017/047365 patent/WO2018131519A1/en unknown
- 2017-12-28 EP EP17891083.2A patent/EP3569740A4/en active Pending
- 2017-12-28 CN CN201780073743.3A patent/CN110023541B/en active Active
- 2017-12-28 US US16/477,343 patent/US20190360112A1/en active Pending
- 2017-12-28 JP JP2018561333A patent/JP6778459B2/en active Active
- 2017-12-28 KR KR1020217011243A patent/KR102422917B1/en active IP Right Grant
- 2017-12-28 BR BR112019013822A patent/BR112019013822A2/en not_active Application Discontinuation
- 2017-12-28 CN CN202210045889.XA patent/CN114351178A/en active Pending
2018
- 2018-01-12 TW TW107101251A patent/TWI666343B/en active
2020
- 2020-10-08 JP JP2020170207A patent/JP6956842B2/en active Active

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3930981A (en) *	1973-06-25	1976-01-06	Oronzio De Nora Impianti Elettrochimici S.P.A.	Bipolar electrolysis cells with perforate metal anodes and baffles to deflect anodic gases away from the interelectrodic gap
US4354905A (en) *	1980-04-15	1982-10-19	Asahi Kasei Kogyo Kabushiki Kaisha	Method for the electrolysis of an aqueous solution of an alkali metal chloride and an anode therefor
US4708888A (en) *	1985-05-07	1987-11-24	Eltech Systems Corporation	Coating metal mesh
JPH0456791A (en) *	1990-06-22	1992-02-24	Permelec Electrode Ltd	Reactivating method for insoluble metallic electrode
US20060042935A1 (en) *	2002-11-27	2006-03-02	Hiroyoshi Houda	Bipolar zero-gap type electrolytic cell
US20090120788A1 (en) *	2005-09-14	2009-05-14	Akio Kashiwada	Cation-Exchange Fluorinated Membrane for Electrolysis and Process for Producing the Same
US20160186335A1 (en) *	2014-09-19	2016-06-30	Kabushiki Kaisha Toshiba	Electrode unit, electrolytic cell comprising electrode unit, electrolytic device and method of manufacturing electrode of electrode unit
WO2016125333A1 (en) *	2015-02-02	2016-08-11	株式会社東芝	Electrode unit and electrolysis device using same

Non-Patent Citations (1)

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Title
See also references of WO2018131519A1 *

Also Published As

Publication number	Publication date
EP3569740A1 (en)	2019-11-20
US20190360112A1 (en)	2019-11-28
JP6778459B2 (en)	2020-11-04
WO2018131519A1 (en)	2018-07-19
KR102349667B1 (en)	2022-01-12
KR20190088067A (en)	2019-07-25
CN110023541B (en)	2022-02-08
KR102422917B1 (en)	2022-07-21
CN114351178A (en)	2022-04-15
JPWO2018131519A1 (en)	2019-11-07
TW201829847A (en)	2018-08-16
JP6956842B2 (en)	2021-11-02
CN110023541A (en)	2019-07-16
BR112019013822A2 (en)	2020-01-21
KR20210044912A (en)	2021-04-23
TWI666343B (en)	2019-07-21
JP2021008672A (en)	2021-01-28

Legal Events

Date	Code	Title	Description
2018-07-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2019-10-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2019-10-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2019-11-20	17P	Request for examination filed	Effective date: 20190710
2019-11-20	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2019-11-20	AX	Request for extension of the european patent	Extension state: BA ME
2020-01-15	RIC1	Information provided on ipc code assigned before grant	Ipc: C25B 11/04 20060101ALI20191206BHEP Ipc: C25B 11/03 20060101AFI20191206BHEP Ipc: C25B 9/08 20060101ALI20191206BHEP Ipc: C25B 1/46 20060101ALI20191206BHEP
2020-03-16	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2020-04-08	A4	Supplementary search report drawn up and despatched	Effective date: 20200306
2020-04-08	RIC1	Information provided on ipc code assigned before grant	Ipc: C25B 9/08 20060101ALI20200302BHEP Ipc: C25B 1/46 20060101ALI20200302BHEP Ipc: C25B 11/03 20060101AFI20200302BHEP Ipc: C25B 11/04 20060101ALI20200302BHEP
2020-04-22	17Q	First examination report despatched	Effective date: 20200319
2020-04-22	DAV	Request for validation of the european patent (deleted)
2020-04-22	DAX	Request for extension of the european patent (deleted)
2020-07-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS

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