CN114196976A - Long-life coating and preparation method thereof - Google Patents
Long-life coating and preparation method thereof Download PDFInfo
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- CN114196976A CN114196976A CN202111620606.1A CN202111620606A CN114196976A CN 114196976 A CN114196976 A CN 114196976A CN 202111620606 A CN202111620606 A CN 202111620606A CN 114196976 A CN114196976 A CN 114196976A
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- plating
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- ruthenium
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- 238000000576 coating method Methods 0.000 title claims abstract description 303
- 239000011248 coating agent Substances 0.000 title claims abstract description 299
- 238000002360 preparation method Methods 0.000 title abstract description 11
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 90
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 90
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 46
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 45
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052737 gold Inorganic materials 0.000 claims abstract description 45
- 239000010931 gold Substances 0.000 claims abstract description 45
- 229910052741 iridium Inorganic materials 0.000 claims abstract description 45
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 45
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 45
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 45
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052718 tin Inorganic materials 0.000 claims abstract description 45
- 238000005524 ceramic coating Methods 0.000 claims abstract description 33
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 28
- 239000010936 titanium Substances 0.000 claims abstract description 28
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000007747 plating Methods 0.000 claims description 53
- 238000004140 cleaning Methods 0.000 claims description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 238000005269 aluminizing Methods 0.000 claims description 7
- 210000002469 basement membrane Anatomy 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 5
- 239000012498 ultrapure water Substances 0.000 claims description 5
- 230000000249 desinfective effect Effects 0.000 claims description 2
- 238000007751 thermal spraying Methods 0.000 claims description 2
- 238000007772 electroless plating Methods 0.000 claims 1
- 230000003064 anti-oxidating effect Effects 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000011247 coating layer Substances 0.000 description 38
- 238000005868 electrolysis reaction Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CJTCBBYSPFAVFL-UHFFFAOYSA-N iridium ruthenium Chemical compound [Ru].[Ir] CJTCBBYSPFAVFL-UHFFFAOYSA-N 0.000 description 2
- ULFQGKXWKFZMLH-UHFFFAOYSA-N iridium tantalum Chemical compound [Ta].[Ir] ULFQGKXWKFZMLH-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemically Coating (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention discloses a long-life coating and a preparation method thereof, wherein the long-life coating is prepared from the following components: according to the weight portion, the ruthenium coating is 75-95 parts, the iridium coating is 2-3 parts, the platinum coating is 5-6 parts, the palladium coating is 1-3 parts, the tantalum coating is 2-3 parts, the gold coating is 1-2 parts, the tin coating is 2-3 parts, the aluminum oxide coating is 1-2 parts, the ceramic coating is 2-4 parts, and the titanium coating is 1-3 parts, the novel long-life coating and the preparation method thereof, the ruthenium coating can improve the electrolytic efficiency and prolong the service life of the electrode, the iridium coating and the platinum coating enable the electrode to have better catalytic activity in an oxygen evolution type environment, the palladium coating, the tantalum coating, the gold coating and the tin coating can carry out anti-oxidation protection on the electrode, the aluminum oxide coating and the ceramic coating can form a compact isolation protective layer on the surface of the electrode, the electrode is protected against corrosion first, the titanium coating can prolong the service life of the electrode and improve the electrolytic efficiency, the addition of ruthenium, iridium, platinum, palladium, tantalum, gold and tin coating materials reduces the cost of the insoluble anode and prolongs the service life of the electrolytic cell.
Description
Technical Field
The invention relates to the field of electrolysis, in particular to a long-life coating and a preparation method thereof.
Background
The electrochemical cell can generate an electrolysis process called electrolysis when a direct current voltage is applied, the electrolysis is widely applied to the fields of hydrogen production, fuel cell production and the like, and the coating is one of effective structures for protecting an electrolytic cell, however, the coating on the market has the following defects: at present, most of coatings are simple iridium-tantalum and ruthenium-iridium coatings, a high-temperature sintering mode is adopted, the protection effect on an electrolytic cell is low, workers are easily accidentally injured by high-temperature sintering, and unnecessary economic loss is caused.
The technical scheme of the invention mainly aims at the problems that the coating structure is simple, the protection effect on the electrolytic cell is low, and ruthenium, iridium, platinum, palladium, tantalum, gold and tin coating materials are added, so that the cost of an insoluble anode is reduced, the service life of the electrolytic cell is prolonged, and the electrolysis efficiency of the electrolytic cell is improved.
Disclosure of Invention
The invention aims to provide a long-life coating and a preparation method thereof, and aims to solve the problems that most of the conventional coatings proposed in the background art are simple iridium-tantalum and ruthenium-iridium coatings, the protection effect on an electrolytic cell is low due to a high-temperature sintering mode, and workers are easily accidentally injured due to the high-temperature sintering, so that unnecessary economic loss is caused.
In order to achieve the purpose, the invention provides the following technical scheme: a long-life coating and a preparation method thereof are disclosed, which comprises the following components: the composition is prepared from the following components: the coating comprises, by weight, 75-95 parts of a ruthenium coating, 2-3 parts of an iridium coating, 5-6 parts of a platinum coating, 1-3 parts of a palladium coating, 2-3 parts of a tantalum coating, 1-2 parts of a gold coating, 2-3 parts of a tin coating, 1-2 parts of an aluminum oxide coating, 2-4 parts of a ceramic coating and 1-3 parts of a titanium coating.
The preferable technical scheme of the invention comprises the following components of, by weight, 80 parts of a ruthenium coating, 2 parts of an iridium coating, 5 parts of a platinum coating, 2 parts of a palladium coating, 2 parts of a tantalum coating, 1 part of a gold coating, 2 parts of a tin coating, 2 parts of an aluminum oxide coating, 2 parts of a pure ceramic coating and 2 parts of a titanium coating.
The preferable technical scheme of the invention comprises the following components of, by weight, 83 parts of a ruthenium coating, 2 parts of an iridium coating, 5 parts of a platinum coating, 1 part of a palladium coating, 2 parts of a tantalum coating, 1 part of a gold coating, 2 parts of a tin coating, 1 part of an aluminum oxide coating, 2 parts of a ceramic coating and 1 part of a titanium coating.
The preferable technical scheme of the invention comprises the following components of, by weight, 82 parts of a ruthenium coating, 2 parts of an iridium coating, 6 parts of a platinum coating, 1 part of a palladium coating, 2 parts of a tantalum coating, 1 part of a gold coating, 2 parts of a tin coating, 1 part of an aluminum oxide coating, 2 parts of a ceramic coating and 1 part of a titanium coating.
A preparation method of a long-life coating comprises the following steps:
step one, selecting an original film: selecting a proper film as a coating basement membrane;
step two, ruthenium treatment: plating ruthenium on one side of the film to form a ruthenium coating on the surface of the film;
step three, iridium treatment: plating iridium on one side of the ruthenium coating in and out, and forming an iridium coating on the surface of the ruthenium coating;
step four, platinum treatment: plating platinum on one side of the iridium coating to form a platinum coating on the surface of the iridium coating;
step five, palladium treatment: plating palladium on one side of the platinum coating to form a palladium coating on the surface of the platinum coating;
step six, tantalum treatment: tantalum is plated on one side of the palladium coating, and a tantalum coating is formed on the surface of the palladium coating;
step seven, gold treatment: gold plating is carried out on one side of the tantalum coating, and a gold coating is formed on the surface of the tantalum coating;
step eight, tin treatment: tin plating is carried out on one side of the gold coating, and a tin coating is formed on the surface of the gold coating;
step nine, aluminum oxide treatment: aluminizing one side of the tin coating to form an aluminum oxide coating on the surface of the tin coating;
step ten, ceramic coating treatment: uniformly coating a ceramic coating on one side of the alumina coating;
step eleven, titanium treatment: plating titanium on one side of the ceramic coating to form a titanium coating on the surface of the ceramic coating
Step twelve, cleaning: and cleaning and disinfecting the obtained coating.
As a preferable technical scheme of the invention, the ruthenium plating in the step two, the iridium plating in the step three, the platinum plating in the step four, the palladium plating in the step five, the tantalum plating in the step six, the gold plating in the step seven and the tin plating in the step eight adopt chemical plating.
As a preferable technical scheme of the invention, the aluminizing in the ninth step and the titanizing in the eleventh step are both performed by plasma thermal spraying.
In a preferred embodiment of the present invention, the cleaning in the twelfth step is to clean the coating layer by placing the coating layer in an ultrasonic cleaner filled with ultrapure water.
Compared with the prior art, the invention has the beneficial effects that: the ruthenium coating can improve the electrolytic efficiency and prolong the service life of the electrode, the iridium coating and the platinum coating enable the electrode to have better catalytic activity when used in an oxygen evolution type environment, the palladium coating, the tantalum coating, the gold coating and the tin coating can perform anti-oxidation protection on the electrode, the aluminum oxide coating and the ceramic coating can form a compact isolation protective layer on the surface of the electrode, the electrode is protected from corrosion firstly, and the titanium coating can prolong the service life of the electrode and improve the electrolytic efficiency.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a long-life coating, which comprises, by weight, 80 parts of a ruthenium coating, 2 parts of an iridium coating, 5 parts of a platinum coating, 2 parts of a palladium coating, 2 parts of a tantalum coating, 1 part of a gold coating, 2 parts of a tin coating, 2 parts of an aluminum oxide coating, 2 parts of a ceramic coating and 2 parts of a titanium coating.
The preparation method of the long-life coating comprises the following steps:
firstly, selecting a proper film to be placed on a laser cutter for cutting, and making a coating basement membrane;
secondly, plating ruthenium on one side of the film to form a ruthenium coating on the surface of the film;
thirdly, plating iridium on one side of the ruthenium coating far away from the film in an in-and-out mode, and forming an iridium coating on the surface of the ruthenium coating;
plating platinum on one side of the iridium coating layer, which is far away from the ruthenium coating layer, and forming a platinum coating layer on the surface of the iridium coating layer;
step five, plating palladium on one side of the platinum coating, which is far away from the iridium coating, and forming a palladium coating on the surface of the platinum coating;
step six, tantalum plating is carried out on one side, away from the platinum coating, of the palladium coating, and a tantalum coating is formed on the surface of the palladium coating;
step seven, gold plating is carried out on one side of the tantalum coating layer, which is far away from the palladium coating layer, and a gold coating layer is formed on the surface of the tantalum coating layer;
step eight, tin plating is carried out on one side of the gold coating layer, which is far away from the tantalum coating layer, and a tin coating layer is formed on the surface of the gold coating layer;
step nine, aluminizing the side, away from the gold coating, of the tin coating, and forming an aluminum oxide coating on the surface of the tin coating;
step ten, uniformly coating a ceramic coating on one side of the aluminum oxide coating, which is far away from the tin coating;
step eleven, performing titanium plating on one side of the ceramic coating far away from the alumina coating to form a titanium coating on the surface of the ceramic coating
And step twelve, placing the prepared coating in an ultrasonic cleaner filled with ultrapure water for cleaning and disinfection to obtain a coating finished product.
Example 2
The invention provides a long-life coating, which comprises, by weight, 83 parts of a ruthenium coating, 2 parts of an iridium coating, 5 parts of a platinum coating, 1 part of a palladium coating, 2 parts of a tantalum coating, 1 part of a gold coating, 2 parts of a tin coating, 1 part of an aluminum oxide coating, 2 parts of a ceramic coating and 1 part of a titanium coating.
The preparation method of the long-life coating comprises the following steps:
firstly, selecting a proper film to be placed on a laser cutter for cutting, and making a coating basement membrane;
secondly, plating ruthenium on one side of the film to form a ruthenium coating on the surface of the film;
thirdly, plating iridium on one side of the ruthenium coating far away from the film in an in-and-out mode, and forming an iridium coating on the surface of the ruthenium coating;
plating platinum on one side of the iridium coating layer, which is far away from the ruthenium coating layer, and forming a platinum coating layer on the surface of the iridium coating layer;
step five, plating palladium on one side of the platinum coating, which is far away from the iridium coating, and forming a palladium coating on the surface of the platinum coating;
step six, tantalum plating is carried out on one side, away from the platinum coating, of the palladium coating, and a tantalum coating is formed on the surface of the palladium coating;
step seven, gold plating is carried out on one side of the tantalum coating layer, which is far away from the palladium coating layer, and a gold coating layer is formed on the surface of the tantalum coating layer;
step eight, tin plating is carried out on one side of the gold coating layer, which is far away from the tantalum coating layer, and a tin coating layer is formed on the surface of the gold coating layer;
step nine, aluminizing the side, away from the gold coating, of the tin coating, and forming an aluminum oxide coating on the surface of the tin coating;
step ten, uniformly coating a ceramic coating on one side of the aluminum oxide coating, which is far away from the tin coating;
step eleven, performing titanium plating on one side of the ceramic coating far away from the alumina coating to form a titanium coating on the surface of the ceramic coating
And step twelve, placing the prepared coating in an ultrasonic cleaner filled with ultrapure water for cleaning and disinfection to obtain a coating finished product.
Example 3
The invention provides a long-life coating, which comprises 82 parts by weight of a ruthenium coating, 2 parts by weight of an iridium coating, 6 parts by weight of a platinum coating, 1 part by weight of a palladium coating, 2 parts by weight of a tantalum coating, 1 part by weight of a gold coating, 2 parts by weight of a tin coating, 1 part by weight of an aluminum oxide coating, 2 parts by weight of a ceramic coating and 1 part by weight of a titanium coating.
The preparation method of the long-life coating comprises the following steps:
firstly, selecting a proper film to be placed on a laser cutter for cutting, and making a coating basement membrane;
secondly, plating ruthenium on one side of the film to form a ruthenium coating on the surface of the film;
thirdly, plating iridium on one side of the ruthenium coating far away from the film in an in-and-out mode, and forming an iridium coating on the surface of the ruthenium coating;
plating platinum on one side of the iridium coating layer, which is far away from the ruthenium coating layer, and forming a platinum coating layer on the surface of the iridium coating layer;
step five, plating palladium on one side of the platinum coating, which is far away from the iridium coating, and forming a palladium coating on the surface of the platinum coating;
step six, tantalum plating is carried out on one side, away from the platinum coating, of the palladium coating, and a tantalum coating is formed on the surface of the palladium coating;
step seven, gold plating is carried out on one side of the tantalum coating layer, which is far away from the palladium coating layer, and a gold coating layer is formed on the surface of the tantalum coating layer;
step eight, tin plating is carried out on one side of the gold coating layer, which is far away from the tantalum coating layer, and a tin coating layer is formed on the surface of the gold coating layer;
step nine, aluminizing the side, away from the gold coating, of the tin coating, and forming an aluminum oxide coating on the surface of the tin coating;
step ten, uniformly coating a ceramic coating on one side of the aluminum oxide coating, which is far away from the tin coating;
step eleven, performing titanium plating on one side of the ceramic coating far away from the alumina coating to form a titanium coating on the surface of the ceramic coating
And step twelve, placing the prepared coating in an ultrasonic cleaner filled with ultrapure water for cleaning and disinfection to obtain a coating finished product.
According to the above description, the ruthenium coating, the iridium coating, the platinum coating, the palladium coating, the tantalum coating, the gold coating, the tin coating, the aluminum oxide coating, the ceramic coating and the titanium coating are added on the surface of the film, ruthenium has stable chemical properties at a medium temperature, the ruthenium coating can improve the electrolytic efficiency and prolong the service life of the electrode, the iridium coating and the platinum coating enable the catalytic activity of the electrode to be better when the electrode is used in an oxygen evolution type environment, the palladium coating, the tantalum coating, the gold coating and the tin coating are inactive in chemical properties and can perform anti-oxidation protection on the electrode, the aluminum oxide coating and the ceramic coating can form a compact isolation protective layer on the surface of the electrode, the electrode is protected from corrosion firstly, and the titanium coating can prolong the service life of the electrode and improve the electrolytic efficiency.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. A long life coating, comprising the following components: the coating comprises, by weight, 75-95 parts of a ruthenium coating, 2-3 parts of an iridium coating, 5-6 parts of a platinum coating, 1-3 parts of a palladium coating, 2-3 parts of a tantalum coating, 1-2 parts of a gold coating, 2-3 parts of a tin coating, 1-2 parts of an aluminum oxide coating, 2-4 parts of a ceramic coating and 1-3 parts of a titanium coating.
2. The long life coating of claim 1, comprising, in parts by weight, 80 parts of a ruthenium coating, 2 parts of an iridium coating, 5 parts of a platinum coating, 2 parts of a palladium coating, 2 parts of a tantalum coating, 1 part of a gold coating, 2 parts of a tin coating, 2 parts of an alumina coating, 2 parts of a ceramic coating, 2 parts of a titanium coating.
3. The long life coating of claim 1, comprising, in parts by weight, 83 parts of a ruthenium coating, 2 parts of an iridium coating, 5 parts of a platinum coating, 1 part of a palladium coating, 2 parts of a tantalum coating, 1 part of a gold coating, 2 parts of a tin coating, 1 part of an alumina coating, 2 parts of a ceramic coating, and 1 part of a titanium coating.
4. The long life coating of claim 1, comprising, in parts by weight, 82 parts of a ruthenium coating, 2 parts of an iridium coating, 6 parts of a platinum coating, 1 part of a palladium coating, 2 parts of a tantalum coating, 1 part of a gold coating, 2 parts of a tin coating, 1 part of an alumina coating, 2 parts of a ceramic coating, and 1 part of a titanium coating.
5. A method of producing a long life coating as claimed in any one of claims 1 to 4, comprising the steps of:
step one, selecting an original film: selecting a proper film as a coating basement membrane;
step two, ruthenium treatment: plating ruthenium on one side of the film to form a ruthenium coating on the surface of the film;
step three, iridium treatment: plating iridium on one side of the ruthenium coating in and out, and forming an iridium coating on the surface of the ruthenium coating;
step four, platinum treatment: plating platinum on one side of the iridium coating to form a platinum coating on the surface of the iridium coating;
step five, palladium treatment: plating palladium on one side of the platinum coating to form a palladium coating on the surface of the platinum coating;
step six, tantalum treatment: tantalum is plated on one side of the palladium coating, and a tantalum coating is formed on the surface of the palladium coating;
step seven, gold treatment: gold plating is carried out on one side of the tantalum coating, and a gold coating is formed on the surface of the tantalum coating;
step eight, tin treatment: tin plating is carried out on one side of the gold coating, and a tin coating is formed on the surface of the gold coating;
step nine, aluminum oxide treatment: aluminizing one side of the tin coating to form an aluminum oxide coating on the surface of the tin coating;
step ten, ceramic coating treatment: uniformly coating a ceramic coating on one side of the alumina coating;
step eleven, titanium treatment: plating titanium on one side of the ceramic coating to form a titanium coating on the surface of the ceramic coating
Step twelve, cleaning: and cleaning and disinfecting the obtained coating.
6. The method of claim 5, wherein the second step of plating ruthenium, the third step of plating iridium, the fourth step of plating platinum, the fifth step of plating palladium, the sixth step of plating tantalum, the seventh step of plating gold, and the eighth step of plating tin are performed by electroless plating.
7. The method of claim 5, wherein the aluminizing in step nine and the titanizing in step eleven are both performed by plasma thermal spraying.
8. The method for preparing a long-life coating according to claim 5, wherein the cleaning in the twelfth step is performed by placing the coating in an ultrasonic cleaner filled with ultrapure water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111620606.1A CN114196976A (en) | 2021-12-28 | 2021-12-28 | Long-life coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111620606.1A CN114196976A (en) | 2021-12-28 | 2021-12-28 | Long-life coating and preparation method thereof |
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| CN114196976A true CN114196976A (en) | 2022-03-18 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030022016A1 (en) * | 2001-07-27 | 2003-01-30 | Ramgopal Darolia | Article having a protective coating and an iridium-containing oxygen barrier layer |
| CN1473206A (en) * | 2000-11-08 | 2004-02-04 | Plasma electroplating | |
| CN103060862A (en) * | 2012-12-26 | 2013-04-24 | 广东电网公司电力科学研究院 | Titanium coating and preparation method thereof |
| CN104562078A (en) * | 2014-12-24 | 2015-04-29 | 蓝星(北京)化工机械有限公司 | Electrode for electrolysis, preparation method of electrode and electrolytic bath |
-
2021
- 2021-12-28 CN CN202111620606.1A patent/CN114196976A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1473206A (en) * | 2000-11-08 | 2004-02-04 | Plasma electroplating | |
| US20030022016A1 (en) * | 2001-07-27 | 2003-01-30 | Ramgopal Darolia | Article having a protective coating and an iridium-containing oxygen barrier layer |
| CN103060862A (en) * | 2012-12-26 | 2013-04-24 | 广东电网公司电力科学研究院 | Titanium coating and preparation method thereof |
| CN104562078A (en) * | 2014-12-24 | 2015-04-29 | 蓝星(北京)化工机械有限公司 | Electrode for electrolysis, preparation method of electrode and electrolytic bath |
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Application publication date: 20220318 |