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Cerium-containing electrode used for electrolysis and preparation method thereof

An electrode and electroplating solution technology, applied in the field of electrodes for electrolysis of water electrolysis and its preparation, can solve the problem of high electrode cost

Active Publication Date: 2016-12-07
宋玉琴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, titanium or titanium alloys are still used as the base material in this patent document, resulting in relatively high cost of electrodes

Method used

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  • Cerium-containing electrode used for electrolysis and preparation method thereof
  • Cerium-containing electrode used for electrolysis and preparation method thereof
  • Cerium-containing electrode used for electrolysis and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032] The preparation method of the cerium-containing electrode for electrolysis of the present invention includes the following steps: (1) the pretreatment step of stainless steel substrate; (2) the formation step of titanium dioxide coating and (3) the formation step of cerium-containing platinum coating. Each will be explained below.

[0033]

[0034] The pretreatment steps of the stainless steel substrate of the present invention include: grinding the stainless steel substrate, degreasing, and then etching and activating in an acid solution to obtain the pretreated substrate. The stainless steel substrate can be polished with sandpaper or fine sand. When using sandpaper for sanding, 80-110 mesh sandpaper can be used, preferably 90-100 mesh sandpaper.

[0035] Soak the polished stainless steel substrate with an alkaline degreasing agent to remove oily substances on the surface. The soaking temperature can be controlled at 30 to 45°C, preferably 35 to 40°C. The immersion time...

specific Embodiment approach

[0046] According to a specific embodiment of the present invention, the electroplating solution includes the following components:

[0047]

[0048]

Embodiment approach

[0049] According to another specific embodiment of the present invention, the electroplating solution is composed of the following components:

[0050]

[0051] According to a preferred embodiment of the present invention, the electroplating solution includes the following components:

[0052]

[0053] According to another preferred embodiment of the present invention, the electroplating solution is composed of the above-mentioned components.

[0054] According to a further preferred embodiment of the present invention, the electroplating solution includes the following components:

[0055]

[0056]

[0057] According to another further preferred embodiment of the present invention, the electroplating solution is composed of the aforementioned components.

[0058] The steps of forming the cerium-containing platinum plating layer of the present invention can be performed in conventional electroplating equipment in the art, and will not be repeated here. In the step of forming the cerium...

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Abstract

The invention discloses a cerium-containing electrode used for electrolysis and a preparation method thereof. The preparation method includes the steps of: polishing a stainless steel base material and deoiling the base material, and etching and activating the base material in an acidic solution to obtain a pretreated base material; forming a titanium dioxide coating layer on the pretreated base material to obtain the electrode used for electrolysis and containing the titanium dioxide coating layer; and forming a platinum plated layer containing cerium onto the electrode used for electrolysis and containing the titanium dioxide coating layer with the electrode used for electrolysis and containing the titanium dioxide coating layer as a negative pole, a platinum net as a positive pole, and a solution including a cerium compound and a platinum compound as an electroplating solution, thus preparing the cerium-containing electrode used for electrolysis. In the invention, the electrode is prepared with the stainless steel base material that is cheap; and by forming the titanium dioxide coating layer and the platinum plated layer containing cerium, use stability of the electrode is ensured.

Description

Technical field [0001] The invention relates to an electrode for electrolysis and a preparation method thereof, in particular to an electrode for electrolysis that can be used for electrolysis of water and a preparation method thereof. Background technique [0002] The electrolyzed water generator can generate electrolyzed water, which mainly includes alkaline water, weakly acidic water, and strong acidic water. Electrodes and separation membranes are the core equipment of electrolyzed water generators, and they are closely related to the quality of electrolyzed water. In order to increase the service life of the electrolyzed water generator and avoid water pollution, platinum-titanium electrodes are usually used as the anode of the electrolyzed water generator. However, platinum-titanium electrodes are expensive, which leads to high production costs of electrolyzed water generators, which severely restricts its promotion and application. [0003] Based on this, some researchers ...

Claims

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Application Information

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IPC IPC(8): C02F1/461C25D3/50
CPCC02F1/46109C02F2001/46138C25D3/50
Inventor 宋玉宝宋玉琴
Owner 宋玉琴
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