Insoluble anode having porous thin film layer including electrode active material nanospheres and method for manufacturing same
A technology of electrode active material and soluble anode, applied in the field of insoluble anode with a porous film layer including electrode active material nanospheres and its manufacture, to achieve the effects of reducing operating time, improving productivity and economy
Active Publication Date: 2018-02-02
KOREA INST OF IND TECH
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- Application Information
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Problems solved by technology
That is, titanium dioxide (TiO 2 ) resistance is 0.29 ~ 3Wcm, which is significantly higher than IrO 2 resistance (about 30mWcm), and in fact the resistance of the porous film formed by titanium dioxide powder has the problem of being much higher than the resistance of the material itself due to the high interfacial tension
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[0033] Hereinafter, the content of the insoluble anode and its manufacturing method of the present invention will be described in detail with reference to the drawings. The drawings described below are provided in order to fully convey the idea of the present invention to those skilled in the art. Therefore, the present invention is not limited to the drawings shown below, and may be embodied in other forms. At this time, when there is no other definition of the technical terms and scientific terms used, they have the meanings that can be generally understood by those with basic knowledge in the technical field of the present invention, and the following descriptions and drawings have omitted unnecessary Known functions and configurations that may obscure the gist of the present invention.
[0034] image 3 is a schematic view showing an example of the insoluble anode of the present invention, and the insoluble anode according to the present invention is characterized in t...
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Abstract
The present invention relates to an insoluble anode and a method for preparing the same and, more particularly, to an insoluble anode with a porous film layer comprising a nanosphere of electrode active material, and a method for preparing the same, the anode comprising an anode substrate consisting of metal that is capable of anodizing; a porous film layer comprising a sintered powder of the metal and the nanosphere of electrode active material; and a coating layer of electrode active material produced on the surface of the inner and outer parts of the porous film layer. Due to the formation of a porous film layer comprising a nanosphere of electrode active material, the insoluble anode according to the present invention can exhibit a significantly low resistivity compared to existing insoluble anodes, and the nanosphere of electrode active material can be provided as an electron pathway or an effective reaction site of reactants, whereby the reactants easily pass through the inside of a film layer, and thus the present invention can contribute to improved efficiency of an insoluble anode as well as improved lifespan of the same.
Description
technical field [0001] The present invention relates to an insoluble anode and a manufacturing method thereof, in particular to an insoluble anode and a manufacturing method thereof, wherein a powder sintered body including the metal and an electrode active material are formed on an anode substrate formed of a metal capable of anodic oxidation The porous thin film layer of nanospheres reduces the resistance of the electrode by means of the electrode active material nanospheres, and can be provided as a reaction site and an electron channel, thereby improving the life and function of the anode. Background technique [0002] So far, although it is expensive, insoluble anodes that do not interfere with plating reactions are used in electrolytic processes because they can perform high capacity and uniform operation compared to soluble (soluable) anodes (anodes), and their use is increasing. the trend of. [0003] Conventionally, lead or a lead alloy has been used as an insolubl...
Claims
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IPC IPC(8): C25D17/10C25D11/02C25B11/00
CPCC25B11/00C25D11/02C25D17/10
Inventor 朴光石尹大镇金元镕
Owner KOREA INST OF IND TECH