US942729A - Electrolyte and method of electrodepositing nickel. - Google Patents

Electrolyte and method of electrodepositing nickel. Download PDF

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Publication number
US942729A
US942729A US51650309A US1909516503A US942729A US 942729 A US942729 A US 942729A US 51650309 A US51650309 A US 51650309A US 1909516503 A US1909516503 A US 1909516503A US 942729 A US942729 A US 942729A
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Prior art keywords
nickel
silicate
fluo
electrolyte
fluorid
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US51650309A
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Edward F Kern
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PERCY S BROWN
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PERCY S BROWN
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Priority to US51650309A priority Critical patent/US942729A/en
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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10—Electrodes, e.g. composition, counter electrode

Definitions

  • This invention relates to the electrodeposition of metals, and has particular reference to an improved process for the electrodeposition of nickel.
  • the invention also relates to an electrolyte i for use in the practice of said process.
  • a process of electrodepositing nickel which consists in electrolyzing a solution containing fiuo-silicate of nickel.
  • a process of electrodepositing nickel which consists in electrolyzing a solution containing fluo-silicate of nickel with an anode of nickel.
  • a process of electrodepositing nickel which consists in electrolyzing a solution containing fluo-silicate of nickeland an alkaline fluorid.
  • a process of electrodepositing nickel which consists in electrolyzing a solution containing fluo-silicate of nickel and ammon-ium fluorid.
  • a process of electrodepositing nickel which "consists in electrolyzing a solution containing fluo-silicate of nickel, an alkaline fluorid, and a soluble fluo-silicate of a metal which is more basic than nickel.
  • An electrolyte comprising fiuo-silicate of nickel, and an alkaline fluorid.
  • An electrolyte comprising fluo-silicate of nickel, and ammonium fluorid.
  • An electrolyte comprising fluo-silicate of nickel, an alkaline fiuorid, and a soluble fluo-silicate of a metal which is more basic than nickel.
  • An electrolyte comprising fluo-silicate comprising fluo-silicate 13.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)

Description

either an alkaline fluorid, as ammonium UNITEU STATES PATENT OFFICE.
EDWARD F. KERN, OFKNOXVILLE, TENNESSEE, ASSIGNOR 0F ONE-HALF TO PERCY S.
BROWN, or new YORK, n. Y.
ELECTBO LYTE AND METHOD OF ELECTRODEPOSITING NICKEL.
No Drawing.
To all whom it may concern: Be it known that I, EDWARD I KERN, citizen of the United States, residing at Knoxville, in the county of Knox and State of Tennessee, have invented certain new and useful Improvements in Electrolytes and Methods l of Electrodepositing Nickel, of which the following is a specification.
This invention relates to the electrodeposition of metals, and has particular reference to an improved process for the electrodeposition of nickel.
The invention also relates to an electrolyte i for use in the practice of said process.
I have discovered that a smooth, dense, coherent and adherent deposit of nickel may be obtained by the electrolysis of a bath containing fluo-silicate of nickel in solution, and that particularly good results may be obtained by the electrolysis of a bath containing in addition to the fiuo-silicate of nickel,
fluorid, alone, or an alkaline fluorid and a soluble fluo-silicatc of a metal which is more basic than nickel, Jreferably aluminum fiuosilicate.
In the practice of my process, I prefer to use a bath containing the materials above mentioned in the following proportions, the parts being by weight:
Specification of Letters Patent. Application tiled September 7, 1909.
\Vater Q 100 or more parts.
Fluo-silicate of nickel 10 Ammonium fiuor1d 5 Aluminum fluo-silicate 5 In the practice of my process, I employ a nickel anode, or an anode consisting of an alloy the greater "part of which is nickel.
I have found it advisable to add ammonium fluorid to the bath from time to time during the operation of the process, this addition serving to restrain the separation of silica.
\Vhile I have stated the proportions of the materials which I prefer to employ, it is to be und :stood that these proportions may be widely varied, and that certain of the constituents of the electrolyte may be omitted as hereinbefore indicated without departing fromthe spirit of my invention or the scope of the appended claims. i
l of nickel, an alkallne fluorid., and aluminum fluo-silicate.
Patented Dec. *7, 1909.
Serial No. 516,503.
Having described my invention, I claim:
1. A process of electrodepositing nickel, which consists in electrolyzing a solution containing fiuo-silicate of nickel.
2. A process of electrodepositing nickel, which consists in electrolyzing a solution containing fluo-silicate of nickel with an anode of nickel.
3. A process of electrodepositing nickel, which consists in electrolyzing a solution containing fluo-silicate of nickeland an alkaline fluorid.
. 4. A process of electrodepositing nickel, which consists in electrolyzing a solution containing fluo-silicate of nickel and ammon-ium fluorid.
5. A process of electrodepositing nickel, which "consists in electrolyzing a solution containing fluo-silicate of nickel, an alkaline fluorid, and a soluble fluo-silicate of a metal which is more basic than nickel.
6. A process of electrodepositing nickel,
of nickel.
9. An electrolyte comprising fiuo-silicate of nickel, and an alkaline fluorid.
10. An electrolyte comprising fluo-silicate of nickel, and ammonium fluorid.
11. An electrolyte comprising fluo-silicate of nickel, an alkaline fiuorid, and a soluble fluo-silicate of a metal which is more basic than nickel.
12. An electrolyte comprising fluo-silicate comprising fluo-silicate 13. An electrolyte fiuorid, and aluminum of nickel, ammonium fluorid.
In testimony whereof I affix my signature in presence of two witnesses.
EDWARD F. KERN.
Witnesses:
JOHN A. ROCHAT, H. W. MYNDERS.
US51650309A 1909-09-07 1909-09-07 Electrolyte and method of electrodepositing nickel. Expired - Lifetime US942729A (en)

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US51650309A US942729A (en) 1909-09-07 1909-09-07 Electrolyte and method of electrodepositing nickel.

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US51650309A US942729A (en) 1909-09-07 1909-09-07 Electrolyte and method of electrodepositing nickel.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003933A (en) * 1958-04-21 1961-10-10 Atkinson James Thomas Nesbitt Electro-plating of metals
US3152973A (en) * 1960-07-26 1964-10-13 Udylite Corp Electrodeposition of lustrous nickel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003933A (en) * 1958-04-21 1961-10-10 Atkinson James Thomas Nesbitt Electro-plating of metals
US3152973A (en) * 1960-07-26 1964-10-13 Udylite Corp Electrodeposition of lustrous nickel
US3152971A (en) * 1960-07-26 1964-10-13 Udylite Corp Electrodeposition of fine-grained lustrous nickel
US3152972A (en) * 1960-07-26 1964-10-13 Udylite Corp Electrodeposition of lustrous satin nickel

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