Claims
- 1. A process for producing a cathode for electrolyzing acid solutions which comprises:
- forming a spray coated layer of a cathode active material on an electrically conductive metal substrate by spray coating a powder containing about 10% by weight or more of tungsten, tungsten carbide or a mixture thereof;
- impregnating, without using pore forming agents, the outside surface area of the coated layer with an acid-resistant fluorine containing resin in an amount of about 1 g/m.sup.2 or more so as to leave exposed portions of said cathode active material
- heating said material thus produced at a temperature of 300.degree. to 400.degree. C.; and solidifying said resin on said material.
- 2. A process according to claim 1, wherein said coating layer is formed by plasma spray coating or flame spray coating.
- 3. A process according to claim 1, wherein said process includes coating said spray coated layer with at least one platinum group metal or an oxide thereof.
Priority Claims (1)
Number |
Date |
Country |
Kind |
56-148698 |
Sep 1981 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 508,650, filed 6/28/83, now abandoned, which is a division of application Ser. No. 416,512 filed 9/9/82, now abandoned.
US Referenced Citations (7)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1415684 |
Nov 1975 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
416512 |
Sep 1982 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
508650 |
Jun 1983 |
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