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Method for preparing titanium oxide ceramic coating on lead alloy surface

A technology of ceramic coating and lead alloy, applied in the direction of electrolytic inorganic material plating, etc., to achieve the effect of reducing the precipitation of lead ions, reducing the precipitation of lead ions, and delaying corrosion

Active Publication Date: 2014-03-19
成都基创科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the deficiencies in the prior art, to provide a method for preparing a titanium oxide ceramic coating on the surface of lead alloys, to improve the corrosion resistance of lead alloys, and to delay the corrosion of lead alloy grids during the use of lead-acid batteries. The failure problem caused by it and the environmental pollution problem caused by the corrosion of the lead alloy nuclear waste tank

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  • Method for preparing titanium oxide ceramic coating on lead alloy surface
  • Method for preparing titanium oxide ceramic coating on lead alloy surface
  • Method for preparing titanium oxide ceramic coating on lead alloy surface

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Embodiment 1

[0026] In this embodiment, the method for preparing a titanium oxide ceramic coating on the surface of a lead alloy of the present invention comprises the following steps:

[0027] (1) Firstly, the lead alloy with an antimony mass fraction of 3% was polished with sandpaper to remove the surface scale, and then ultrasonically cleaned in acetone for 6 minutes;

[0028] (2), 15g / L cerium chloride was dissolved in distilled water to prepare a solution;

[0029] (3) Place the lead alloy treated in step (1) in the solution prepared in step (2), heat it to 60°C in a water bath, and process for 3 hours to prepare a chemical conversion film on the surface of the lead alloy;

[0030] (4) According to the concentration of tetrabutyl titanate of 15g / L and the concentration of additives of 3g / L dissolved in alcohol, the electrolyte solution was prepared;

[0031] (5), place the lead alloy treated in step (3) in the stainless steel tank with the electrolyte prepared in step (4), use lead a...

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Abstract

The invention discloses a method for preparing a titanium oxide ceramic coating on a lead alloy surface. The method is characterized by adopting a method of a prefabricated chemical conversion coating and then putting a lead alloy in an electrolyte with alcohol and tetrabutyl titanate as bases, carrying out pulsed direct or alternating voltage output, and preparing the titanium oxide ceramic coating on the lead alloy surface under the action of a liquid phase plasma. The titanium oxide ceramic coating prepared by the method has better bonding strength with the lead alloy (substrate) and better corrosion resistance, improves the corrosion resistance of the lead alloy in the humid environment, reduces the precipitation of lead ions of the lead alloy in the humid environment, can be used for delaying corrosion of the lead alloy grids of lead-acid batteries, and can prolong the service lives of the lead-acid batteries, delay corrosion of lead alloy nuclear waste tanks, reduce the precipitation of lead ions in the lead alloy nuclear waste tank corrosion process and protect the environment.

Description

technical field [0001] The invention belongs to the technical field of protection treatment of lead alloys, and more specifically relates to a method for preparing a titanium oxide ceramic coating on the surface of lead alloys. Background technique [0002] Lead-acid batteries have become one of the most widely used storage batteries in the world because of their stable performance, low price, easy availability of raw materials, reliable performance and high current discharge, and are still widely used in various fields. [0003] However, as a heavy metal, lead, in addition to its cost, also has certain toxicity, which is harmful to the environment and human body to varying degrees. Moreover, the lead-acid battery has a short service life, and the waste lead-acid battery will cause great pollution to the environment. Therefore, prolonging the life of lead-acid batteries can not only reduce operating costs, but also meet the needs of environmental protection, and is also an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D9/08
Inventor 唐辉王超简贤徐豹陈磊
Owner 成都基创科技有限公司
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