CN102677088B - Stress relief method for complex pole type plate-like metal oxide electrode - Google Patents
Stress relief method for complex pole type plate-like metal oxide electrode Download PDFInfo
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- CN102677088B CN102677088B CN201210134529.3A CN201210134529A CN102677088B CN 102677088 B CN102677088 B CN 102677088B CN 201210134529 A CN201210134529 A CN 201210134529A CN 102677088 B CN102677088 B CN 102677088B
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Abstract
The invention discloses a stress relief method for a complex pole type plate-like metal oxide electrode. The stress relief method comprises the following steps of: machining any face of a metal plate to be manufactured into an electrode into a plurality of convex small planes, wherein the small planes are distributed on the same surface of the metal plate; and cleaning the metal plate, and performing single-face electrodeposition on one face, where the small planes are positioned, on the metal plate to obtain the flat plate-like metal oxide electrode with a single-face electric catalytic layer. According to the stress relief method for the complex pole type plate-like metal oxide electrode, internal stress relief of a metal plate substrate can be finished in a short time, and the relief effect reaches over 90 percent; and the complex pole type plate-like metal oxide electrode manufactured by the method has the advantages of flat surface, uniform deposition of the electric catalytic layer, no bubbling, no cavities, no cracks and no stripping, and has superior electric catalytic performance.
Description
Technical field
The present invention relates to electrochemical method and prepare metal oxide electrode technical field, refer to a kind of method that multipole type plate-shape metal oxide electrode eliminates stress particularly.
Background technology
The organic wastewater of the toxic bio-refractory of high density is the Focal point and difficult point of China's waste water control always.Adopt advanced electrochemical oxidation process to administer the sewage of these difficult degradations, become the hot topic research of field of waste water treatment.
The key of electrochemical advanced oxidation water technology has 3 points: one is electrode, and two is cell constructions, and three is power configuration, and wherein the core of technology is electrode.Material as electrode mainly contains: metallic substance, carbon materials, metal oxide materials and nonmetallic compound material etc.
At metallic substance electrode field, at present, conventional is acyclic type plate-shape metal oxide electrode, this acyclic type plate-shape metal oxide electrode, adopt acyclic type circuit carry out galvanic deposit and obtain, its two sides is that commaterial does not exist stress deformation problem in electrodeposition process.The galvanic deposit circuit preparing acyclic type plate-shape metal oxide electrode is acyclic type circuit, and its many group Yin/Yang pole needs parallel operation, and there is electric current large, power supply cost is high, system complex, the defect of economic feasibility difference.Similarly, monopolar electrolyzer is also many group Yin/Yang poles parallel operations, and also there is electric current large, power supply cost is high, system complex, the defect of economic feasibility difference.
In order to improve the performance of electrolyzer, multipole type plate-shape metal oxide electrode is in conceptual phase, different with single stage type plate-shape metal oxide electrode, and the one side of multipole type plate-shape metal oxide electrode is anode another side is negative electrode.Anode surface and cathode plane are not commaterials.The galvanic deposit circuit preparing multipole type plate-shape metal oxide electrode is multipole type circuit, and galvanic deposition cell only needs two, Yin/Yang pole end points to connect power supply.Multipole type plate-shape metal oxide electrode is placed in electrolyzer when using, only needs the anode surface of multiple electrode to arrange towards identical direction.Similarly, bipolar electrolyzer is also only need two, Yin/Yang pole end points to connect power supply.Practice shows, the galvanic deposition cell of multipole type plate-shape metal oxide electrode and.Multipole type plate-shape metal oxide electrolytic cell can realize low current, and high-voltage runs, and system is simple, and controllability is good, and economic feasibility is good.
But adopt the electrolysis of multipole type circuit must can not use mesh electrode with plate electrode.The plate-shape metal oxide electrode adopted due to bipolar electrolyzer can only carry out one side galvanic deposit, and the galvanic deposit of metal sheet one side inevitably produces stress deformation, and the stress deformation of the larger generation of metal sheet area is larger, prepared electrode is made to become concave surface by plane.Clearly, the electrode potential in concave surface must affect the polar plate spacing of electrolyzer, then affects electrochemical distribution of current, current efficiency; In addition, because stress is comparatively large or stress concentration, deposition layer also can be made to bubble, ftractureing even comes off, lose efficacy to cause plate-shape metal oxide electrode.Therefore, take metal sheet as base material, adopt one side electrodeposition technology to prepare plate-shape metal oxide electrode, the stress deformation problem of metal sheet must be solved.
Summary of the invention
The object of the invention is to the defect overcoming plate-shape metal oxide electrode easily generation stress deformation after one side galvanic deposit prepared by prior art, a kind of method of eliminating stress of multipole type plate-shape metal oxide electrode that can be quick, efficient and easy is provided, make metal sheet after present method process, uniform deposition is able in the process of one side galvanic deposit, after completing galvanic deposit, battery lead plate face is smooth, electrocatalysis characteristic is excellent, and eliminates the deformation stress produced in making processes.
For achieving the above object, the method that multipole type plate-shape metal oxide electrode provided by the present invention eliminates stress, comprises the following steps:
(1) metal sheet of one-tenth electrode to be produced is prepared;
(2) by any one side of metal sheet, be processed into several and protrude facet, facet is distributed on the same surface of metal sheet;
(3), after the metal sheet completing the processing of protrusion facet being cleaned up, one side galvanic deposit is carried out to the one side at facet place on metal sheet, obtains the smooth plate-shape metal oxide electrode with one side Electrocatalytic Layer.
Alternatively, described metal sheet is mono-component metal-plate or multi-component alloys plate.
Preferably, described metal sheet is titanium plate, stainless steel plate, high silicon cast iron plate or carbon steel sheet.
Preferably, described faceted size is 1 ~ 30000 square millimeter.
Alternatively, described faceted shape is square, rectangle, rhombus, trilateral, Polygons or circle.
Beneficial effect of the present invention: the internal stress that the method eliminated stress by multipole type plate-shape metal oxide electrode can complete metal plate substrate is at short notice eliminated, eradicating efficacy reaches more than 90%, the method is simple, do not need special instrument, shorten the production cycle, efficiently feasible, be particularly suitable for the preparation of industrialization of titanium based electrocatalytic anodes plate one side galvanic deposit, multipole type plate-shape metal oxide electrode surfacing obtained by present method, Electrocatalytic Layer depositing homogeneous, non-foaming, without cavity, flawless, without coming off, be attached to metal sheet surface firmly, there is excellent electrocatalysis characteristic.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
With thickness be the pure metallic titanium plate of 1 millimeter for base material, by long 500 millimeters, the fixed size scissors of wide 400 millimeters is determined.
Get it again and simultaneously protrude facet by the dimensioned square of 15 millimeters × 15 millimeters arbitrarily, it is 0.4 millimeter that described square protrudes faceted processing gash depth, ditch groove width 2 millimeters.
Processed square by above-mentioned to protrude the surface cleaning of faceted metallic titanium plate clean and carry out one side galvanic deposit, described galvanic deposit metallic titanium plate has been processed with square to protrude faceted surface as electrodeposit metals face.Galvanic deposit preparation adopts current stabilization, constant voltage dc source, and this technology is that industry is known, does not repeat herein.Again through galvanic deposit be eliminated stress reach more than 90% metal titanium base multipole type plate-shape metal oxide electrode.
The multipole type plate-shape metal oxide electrode surfacing made as stated above, Electrocatalytic Layer depositing homogeneous, non-foaming, without cavity, flawless, nothing come off, be attached to titanium plate surface firmly, become the plate-shape metal oxide electrode that intact employing titanium plate one side galvanic deposit makes, there is excellent electrocatalysis characteristic.
Embodiment 2
Take thickness as the stainless steel plate of 1.5 millimeters be base material, by long 600 millimeters, the fixed size scissors of wide 500 millimeters is determined.
Get it again and simultaneously protrude facet by the dimensioned rectangle of 18 millimeters × 11 millimeters arbitrarily, it is 0.7 millimeter that described rectangle protrudes faceted processing gash depth, and trench cross section is inverted trapezoidal, top width 4 millimeters, bottom width 2 millimeters.
The above-mentioned rectangle that processed is protruded faceted stainless steel plate and cleaned up and carry out one side galvanic deposit, and described galvanic deposit stainless steel plate has been processed with rectangle to protrude faceted surface as electrodeposit metals face.Galvanic deposit preparation adopts current stabilization, constant voltage dc source, and this technology is that industry is known, does not repeat herein.Again through galvanic deposit be eliminated stress reach more than 90% metal stainless steel multipole type plate-shape metal oxide electrode.
The multipole type plate-shape metal oxide electrode surfacing made as stated above, Electrocatalytic Layer depositing homogeneous, non-foaming, without cavity, flawless, nothing come off, be attached to stainless steel plate surface firmly, become the plate-shape metal oxide electrode that intact employing stainless steel plate one side galvanic deposit makes, there is excellent electrocatalysis characteristic.
Claims (4)
1. the method that eliminates stress of multipole type plate-shape metal oxide electrode, is characterized in that: comprise the following steps:
(1) prepare the metal sheet of one-tenth electrode to be produced, described metal sheet is mono-component metal-plate or multi-component alloys plate;
(2) by any one side of metal sheet, be processed into several and protrude facet, facet is distributed on the same surface of metal sheet;
(3), after the metal sheet completing the processing of protrusion facet being cleaned up, one side galvanic deposit is carried out to the one side at facet place on metal sheet, obtains the smooth plate-shape metal oxide electrode with one side Electrocatalytic Layer.
2. the method that eliminates stress of multipole type plate-shape metal oxide electrode according to claim 1, is characterized in that: described metal sheet is titanium plate, stainless steel plate, high silicon cast iron plate or carbon steel sheet.
3. the method that eliminates stress of multipole type plate-shape metal oxide electrode according to claim 1, is characterized in that: described faceted size is 1 ~ 30000 square millimeter.
4. the method that the multipole type plate-shape metal oxide electrode according to claim 1 or 2 or 3 eliminates stress, is characterized in that: described faceted shape is square, rectangle, rhombus, trilateral, Polygons or circle.
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| CN201210134529.3A CN102677088B (en) | 2012-05-03 | 2012-05-03 | Stress relief method for complex pole type plate-like metal oxide electrode |
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| CN201210134529.3A CN102677088B (en) | 2012-05-03 | 2012-05-03 | Stress relief method for complex pole type plate-like metal oxide electrode |
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| CN102677088B true CN102677088B (en) | 2015-04-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108341A (en) * | 1985-11-21 | 1987-05-20 | 中国科学院大连化学物理研究所 | Process for electrolysis of water |
| US4822459A (en) * | 1986-08-29 | 1989-04-18 | Agency Of Industrial Science And Technology (Miti) | Lead oxide-coated electrode for use in electrolysis and process for producing the same |
| CN2099750U (en) * | 1990-03-29 | 1992-03-25 | 河北省邯郸市化工自动化应用技术研究所 | Sodium hypochlorite generator for automatic removal of cathodic scale |
| CN1420212A (en) * | 2001-11-19 | 2003-05-28 | 株式会社村田制作所 | Small plated body electroplating device |
| CN101298342A (en) * | 2008-04-25 | 2008-11-05 | 武汉科技大学 | Metallic oxide electrode for organic wastewater processing and preparation thereof |
-
2012
- 2012-05-03 CN CN201210134529.3A patent/CN102677088B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108341A (en) * | 1985-11-21 | 1987-05-20 | 中国科学院大连化学物理研究所 | Process for electrolysis of water |
| US4822459A (en) * | 1986-08-29 | 1989-04-18 | Agency Of Industrial Science And Technology (Miti) | Lead oxide-coated electrode for use in electrolysis and process for producing the same |
| CN2099750U (en) * | 1990-03-29 | 1992-03-25 | 河北省邯郸市化工自动化应用技术研究所 | Sodium hypochlorite generator for automatic removal of cathodic scale |
| CN1420212A (en) * | 2001-11-19 | 2003-05-28 | 株式会社村田制作所 | Small plated body electroplating device |
| CN101298342A (en) * | 2008-04-25 | 2008-11-05 | 武汉科技大学 | Metallic oxide electrode for organic wastewater processing and preparation thereof |
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| CN102677088A (en) | 2012-09-19 |
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