JPS54132497A - Cathode for electrolysis of aqueous solution of alkali metal halide and manufacture thereof - Google Patents

Cathode for electrolysis of aqueous solution of alkali metal halide and manufacture thereof

Info

Publication number
JPS54132497A
JPS54132497A JP4023778A JP4023778A JPS54132497A JP S54132497 A JPS54132497 A JP S54132497A JP 4023778 A JP4023778 A JP 4023778A JP 4023778 A JP4023778 A JP 4023778A JP S54132497 A JPS54132497 A JP S54132497A
Authority
JP
Japan
Prior art keywords
bath
cathode
iron
ferrous
electrolysis
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
JP4023778A
Other languages
Japanese (ja)
Other versions
JPS6123276B2 (en
Inventor
Keiji Kawasaki
Itsuaki Matsuda
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP4023778A priority Critical patent/JPS54132497A/en
Priority to US06/027,010 priority patent/US4230543A/en
Publication of JPS54132497A publication Critical patent/JPS54132497A/en
Publication of JPS6123276B2 publication Critical patent/JPS6123276B2/ja
Granted legal-status Critical Current

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Landscapes

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

Abstract

PURPOSE: To obtain the title cathode with high film adherence which cathode is applicable to cathode substrates of various shapes and capable of reducing hydrogen overvoltage remarkably by forming a special iron electroplated layer contg. a flocculant on a substrate metal.
CONSTITUTION: At least part of a cathode substrate metal base made of iron, stainless steel, Ni or platinum group metal is plated with iron in an iron plating bath contg. a flocculant such as high molecular polysaccharides, e.g. starch or dextrin to manufacture a cathode for electrolysis of an aq. soln. of an alkali metal halide. The bath includes a usual ferrous chloride bath, iron borofluoride bath, NH+-free ferrous sulfate bath and mixed bath. It is required to maintain the bath at pH2.5<pH<6.0. The ferrous ion concn. in the bath is 0.1W1.7, esp. 0.5W1.5 mols/l. The plating is pref. carried out while stirring the bath with a nonoxidizing gas such an N2 gas in order to prevent oxidation of ferrous ions.
COPYRIGHT: (C)1979,JPO&Japio
JP4023778A 1978-04-07 1978-04-07 Cathode for electrolysis of aqueous solution of alkali metal halide and manufacture thereof Granted JPS54132497A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4023778A JPS54132497A (en) 1978-04-07 1978-04-07 Cathode for electrolysis of aqueous solution of alkali metal halide and manufacture thereof
US06/027,010 US4230543A (en) 1978-04-07 1979-04-03 Cathode for electrolysis of aqueous solution of alkali metal halide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4023778A JPS54132497A (en) 1978-04-07 1978-04-07 Cathode for electrolysis of aqueous solution of alkali metal halide and manufacture thereof

Publications (2)

Publication Number Publication Date
JPS54132497A true JPS54132497A (en) 1979-10-15
JPS6123276B2 JPS6123276B2 (en) 1986-06-05

Family

ID=12575105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4023778A Granted JPS54132497A (en) 1978-04-07 1978-04-07 Cathode for electrolysis of aqueous solution of alkali metal halide and manufacture thereof

Country Status (1)

Country Link
JP (1) JPS54132497A (en)

Also Published As

Publication number Publication date
JPS6123276B2 (en) 1986-06-05

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