CN111926311A - Composite electrode and preparation method thereof - Google Patents

Composite electrode and preparation method thereof Download PDF

Info

Publication number
CN111926311A
CN111926311A CN202010784066.XA CN202010784066A CN111926311A CN 111926311 A CN111926311 A CN 111926311A CN 202010784066 A CN202010784066 A CN 202010784066A CN 111926311 A CN111926311 A CN 111926311A
Authority
CN
China
Prior art keywords
coating
electrode
electrode substrate
solution
composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010784066.XA
Other languages
Chinese (zh)
Inventor
朱传高
徐迈
王凤武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huainan Normal University
Original Assignee
Huainan Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huainan Normal University filed Critical Huainan Normal University
Priority to CN202010784066.XA priority Critical patent/CN111926311A/en
Publication of CN111926311A publication Critical patent/CN111926311A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/02Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
    • C23C18/12Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
    • C23C18/1204Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
    • C23C18/1208Oxides, e.g. ceramics
    • C23C18/1216Metal oxides
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/02Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
    • C23C18/12Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
    • C23C18/1225Deposition of multilayers of inorganic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)

Abstract

The invention discloses a composite electrode, which comprises an electrode substrate and a composite coating, wherein the two opposite sides of the electrode substrate are provided with the composite coating, the composite coating comprises a primary coating, a secondary coating and a tertiary coating, the primary coating is coated on the surface of the electrode substrate, the secondary coating is coated on one side of the primary coating, which is far away from the electrode substrate, and the tertiary coating is coated on one side of the secondary coating, which is far away from the primary coating, so that the composite electrode has the advantages that: the composite coating consisting of the primary coating, the secondary coating and the tertiary coating is arranged on the electrode substrate, the buffer structure layer formed on the electrode can well reduce the interface impedance and improve the conductivity of the electrode, the electrode coating arranged on the multi-structure layer has better protection performance, and the service life of the electrode is prolonged; the electrode substrate has a clean surface and a micro-porous layer formed on the surface, so that the firmness and stability between the electrode substrate and the coating are improved, the product quality is ensured through detection, the rejection rate of finished electrode products is reduced, and the energy consumption and the cost of electrode preparation are reduced.

Description

Composite electrode and preparation method thereof
The technical field is as follows:
the invention belongs to the technical field of electrodes, and particularly relates to a composite electrode and a preparation method thereof.
Background art:
the electrode can be metal or nonmetal, as long as it can exchange electrons with electrolyte solution, i.e. it is an electrode, and it is a component in electronic or electric device, equipment, and is used as two terminals for inputting or outputting current in conductive medium (solid, gas, vacuum or electrolyte solution). The electrode has positive and negative parts, the positive electrode is a cathode to obtain electrons and generate reduction reaction, the negative electrode is an anode to lose electrons and generate oxidation reaction. One pole of the input current is called anode or positive pole, and the other pole of the output current is called cathode or negative pole. The electrodes are of various types, such as cathodes, anodes, welding electrodes, furnace electrodes, and the like.
Although the coating on the electrode is formed by coating for many times at present, the electrode coating formed by coating for many times is only a single material structure layer, the coating on the electrode is easy to lose, the service performance and the service life of the electrode are influenced, and the practicability is poor, so the composite electrode and the preparation method thereof provided by the invention solve the problems.
The invention content is as follows:
the invention aims to provide a composite electrode and a preparation method thereof for solving the problems, and overcomes the defects that the electrode coating formed by multiple coating is only a single material structure layer although the coating on the electrode is formed by multiple coating, the coating on the electrode is easy to wear, and the service performance and the service life of the electrode are influenced.
In order to solve the above problems, the present invention provides a technical solution:
the composite electrode comprises an electrode base body and a composite coating, wherein the two opposite sides of the electrode base body are provided with the composite coating, the composite coating comprises a first-level coating, a second-level coating and a third-level coating, the first-level coating is coated on the surface of the electrode base body, the second-level coating is coated on one side, away from the electrode base body, of the first-level coating, and the third-level coating is coated on one side, away from the first-level coating, of the second-level coating.
Preferably, a microporous layer is formed on a surface of the electrode substrate.
Preferably, the primary coating is a titanium-tantalum coating liquid coating, the number of layers of the primary coating is 8-12, and the thickness of the primary coating is 2.5-4 μm.
Preferably, the secondary coating is an iridium tantalum liquid coating, the number of layers of the secondary coating is 6-10, and the thickness of the secondary coating is 2-3 μm.
Preferably, the tertiary coating is an iridium tantalum titanium electrode coating, the number of the tertiary coating layers is 6-8, and the thickness of the tertiary coating layer is 1.5-2.5 μm.
A method of making a composite electrode, the method comprising the steps of:
step one, forming an electrode substrate: cutting an electrode substrate with the size corresponding to the size of the composite electrode by using cutting equipment;
step two, cleaning an electrode substrate: cleaning the electrode substrate cut in the step one by using cleaning equipment;
step three, primary coating: coating the solution A on the surface of the electrode substrate treated in the step two by adopting coating equipment, performing high-temperature sintering after each coating, and repeating the steps after cooling for many times to form a primary coating of the electrode substrate;
step four, secondary coating: coating the solution B on the surface of the primary coating coated in the third step by adopting coating equipment, carrying out high-temperature sintering after each coating, and repeating the steps after cooling to form a secondary coating of the electrode substrate;
step five, coating for the third time: and (3) coating the solution C on the surface of the secondary coating treated in the fourth step by adopting coating equipment, carrying out high-temperature sintering after each coating, and repeating for many times after cooling to form the three-level coating of the electrode substrate.
Step six, detection: detecting the electrode matrix coating through detection equipment, and carrying out electrode performance test on the electrode;
step seven, repairing: and (4) repeating the processes from the second step to the sixth step on the electrode which is detected to be unqualified through checking detection data, and repairing the damaged part on the surface of the electrode.
Preferably, the cleaning of the electrode substrate in the second step includes:
1) soaking the electrode substrate prepared in the step one in a degreasing solution for 15-20 min;
2) taking out the soaked electrode substrate for laser etching, and washing the etched electrode substrate clean;
3) soaking the washed electrode substrate in an acid solution for acid etching treatment for 10-20 minutes, taking out, cleaning and drying;
preferably, the solution A is a titanium-tantalum mixed solution, the titanium-tantalum mixed solution is prepared from titanium tetrachloride, tantalum pentachloride, hydrochloric acid and an alcohol solution, and the titanium tetrachloride and the tantalum pentachloride are dispersed into the alcohol solution containing the hydrochloric acid and the active binder to obtain the titanium-tantalum mixed solution; the solution B is an iridium-tantalum mixed solution, the iridium-tantalum mixed solution is prepared from chloroiridic acid, tantalum pentachloride, stannic chloride, hydrochloric acid and an alcohol solution, and the chloroiridic acid, the tantalum pentachloride and the stannic chloride are dispersed into the alcohol solution containing the hydrochloric acid and an active adhesive to obtain the iridium-tantalum mixed solution; the solution C is an iridium-zirconium mixed solution, the iridium-zirconium mixed solution is prepared from chloroiridic acid, tetrabutyl zirconate, n-butyl alcohol and isopropanol, and the chloroiridic acid and the tetrabutyl zirconate are dispersed into the n-butyl alcohol and the isopropanol to obtain the iridium-zirconium mixed solution.
Preferably, the temperature for high-temperature sintering in the third step to the fifth step is 350-500 ℃.
Preferably, in the second step, the acid etching of the electrode substrate adopts a mixed acid solution formed by a 3% hydrochloric acid solution and a 10% oxalic acid solution as an acid solution; and in the second step, the wastewater generated by cleaning the electrode substrate is recycled after filtration and neutralization.
The invention has the beneficial effects that:
compared with the traditional composite electrode, the composite electrode and the preparation method thereof have the advantages that the composite coating consisting of the primary coating, the secondary coating and the tertiary coating is arranged on the electrode substrate, the buffer structure layer on the electrode substrate is formed by tantalum oxides in the primary coating, the secondary coating and the tertiary coating, the interface impedance can be well reduced by the buffer structure layer formed on the electrode, the conductivity of the electrode is improved, the electrode coating formed by multiple structural layers has better protection performance, and the service life of the electrode is prolonged; the electrode provided by the multi-structure layer coating is prepared by the methods of electrode base body formation, electrode base body cleaning, primary coating, secondary coating, tertiary coating, detection and repair, the cleaning of the electrode base body ensures that the surface of the electrode base body is clean and the micro-porous layer is formed on the surface of the electrode base body, so that the firmness and the stability between the electrode base body and the coating are improved, the product quality is ensured through detection, the rejection rate of electrode finished products is reduced, and the energy consumption and the cost of electrode preparation are reduced.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of a composite electrode of the present invention;
fig. 2 is a process diagram for preparing the composite electrode of the present invention.
In the figure: 1. an electrode base body; 2. primary coating; 3. secondary coating; 4. and (3) tertiary coating.
The specific implementation mode is as follows:
as shown in fig. 1-2, the following technical solutions are adopted in the present embodiment: composite electrode, including electrode base member 1 and composite coating, the both sides that electrode base member 1 is relative are equipped with composite coating, composite coating includes one-level coating 2, second grade coating 3 and tertiary coating 4, one-level coating 2 coats the surface at electrode base member 1, one side coating that electrode base member 1 was kept away from to one-level coating 2 has second grade coating 3, one side coating that one-level coating 2 was kept away from to second grade coating 3 has tertiary coating 4.
Wherein a microporous layer is formed on the surface of the electrode substrate 1.
The primary coating 2 is a titanium tantalum coating, the number of layers of the primary coating 2 is 8-12, and the thickness of the primary coating 2 is 2.5-4 μm.
The secondary coating 3 is an iridium tantalum liquid coating, the number of layers of the secondary coating 3 is 6-10, and the thickness of the secondary coating 3 is 2-3 mu m.
The three-level coating 4 is an iridium tantalum titanium electrode coating, the number of layers of the three-level coating 4 is 6-8, and the thickness of the three-level coating 4 is 1.5-2.5 microns.
A method of making a composite electrode, the method comprising the steps of:
step one, forming an electrode substrate 1: cutting an electrode matrix 1 with the size corresponding to the size of the composite electrode by using cutting equipment;
step two, cleaning the electrode substrate 1: cleaning the electrode substrate 1 cut in the step one by using cleaning equipment;
step three, primary coating: coating the solution A on the surface of the electrode substrate 1 treated in the step two by adopting coating equipment, performing high-temperature sintering after each coating, and repeating the steps after cooling for many times to form a primary coating 2 of the electrode substrate 1;
step four, secondary coating: coating the solution B on the surface of the primary coating 2 coated in the third step by adopting coating equipment, carrying out high-temperature sintering after each coating, and repeating for many times after cooling to form a secondary coating 3 of the electrode substrate 1;
step five, coating for the third time: and (3) coating the solution C on the surface of the secondary coating 3 treated in the fourth step by adopting coating equipment, carrying out high-temperature sintering after each coating, and repeating for many times after cooling to form a tertiary coating 4 of the electrode substrate 1.
Step six, detection: detecting the coating of the electrode substrate 1 by using detection equipment, and testing the electrode performance of the electrode;
step seven, repairing: and (4) repeating the processes from the second step to the sixth step on the electrode which is detected to be unqualified through checking detection data, and repairing the damaged part on the surface of the electrode.
Wherein, the cleaning of the electrode substrate 1 in the second step comprises the following steps:
1) soaking the electrode matrix 1 prepared in the step one in a degreasing solution for 15-20 min;
2) taking out the soaked electrode substrate 1 for laser etching, and washing the etched electrode substrate 1 clean;
3) soaking the washed electrode substrate 1 in an acid solution for acid etching treatment for 10-20 minutes, taking out, cleaning and drying;
the solution A is a titanium-tantalum mixed solution, the titanium-tantalum mixed solution is prepared from titanium tetrachloride, tantalum pentachloride, hydrochloric acid and an alcohol solution, and the titanium tetrachloride and the tantalum pentachloride are dispersed into the alcohol solution containing the hydrochloric acid and an active adhesive to obtain the titanium-tantalum mixed solution; the solution B is an iridium-tantalum mixed solution, the iridium-tantalum mixed solution is prepared from chloroiridic acid, tantalum pentachloride, stannic chloride, hydrochloric acid and an alcohol solution, and the chloroiridic acid, the tantalum pentachloride and the stannic chloride are dispersed into the alcohol solution containing the hydrochloric acid and an active adhesive to obtain the iridium-tantalum mixed solution; the solution C is an iridium-zirconium mixed solution, the iridium-zirconium mixed solution is prepared from chloroiridic acid, tetrabutyl zirconate, n-butyl alcohol and isopropanol, and the chloroiridic acid and the tetrabutyl zirconate are dispersed into the n-butyl alcohol and the isopropanol to obtain the iridium-zirconium mixed solution.
Wherein the temperature of the high-temperature sintering in the third step to the fifth step is 350-500 ℃.
In the second step, acid etching is performed on the electrode substrate 1 by using a mixed acid solution formed by a 3% hydrochloric acid solution and a 10% oxalic acid solution as an acid solution; and in the second step, the wastewater generated by cleaning the electrode substrate 1 is recycled after filtration and neutralization.
Specifically, the method comprises the following steps: when the composite electrode and the preparation method thereof are used, firstly, a cutting device is adopted to cut an electrode matrix 1 with the size corresponding to the composite electrode, namely, the electrode matrix 1 is formed, then the electrode matrix 1 is cleaned, the electrode matrix 1 cut in the first step is cleaned by the cleaning device, the electrode matrix 1 is soaked in a degreasing and degreasing solution for 15-20 min during cleaning, then the soaked electrode matrix 1 is taken out to be subjected to laser etching, the etched electrode matrix 1 is washed clean, the washed electrode matrix 1 is soaked in an acid solution to be subjected to acid etching treatment for 10-20 min, then the electrode matrix 1 is taken out to be cleaned and dried, and then the electrode matrix 1 is coated to form a composite coating of the electrode, wherein the coating comprises a primary coating, a secondary coating and a tertiary coating, the solution A is coated on the surface of the treated electrode matrix 1 by the coating device, high-temperature sintering is carried out after each coating, the high-temperature sintering is carried out for a plurality of times after the cooling, a primary coating 2 of an electrode substrate 1 is formed, then a coating device is adopted to coat the solution B on the surface of the primary coating 2 coated in the third step, the high-temperature sintering is carried out after each coating, the cooling is carried out for a plurality of times, a secondary coating 3 of the electrode substrate 1 is formed, finally a coating device is adopted to coat the solution C on the surface of the secondary coating 3 treated in the fourth step, the high-temperature sintering is carried out after each coating, the cooling is carried out for a plurality of times, a tertiary coating 4 of the electrode substrate 1 is formed, the coating of the electrode substrate 1 is detected through a detection device, the electrode performance test is carried out on the electrode, the electrode detected when the electrode is unqualified is repaired, the electrode detected through the inspection data, the step process of the electrode detected to be unqualified, compared with the traditional composite electrode, the composite coating consisting of the primary coating 2, the secondary coating 3 and the tertiary coating 4 is arranged on the electrode substrate 1, the buffer structure layer on the electrode substrate 1 is formed by tantalum oxides in the primary coating 2, the secondary coating 3 and the tertiary coating 4, the interface impedance can be well reduced by the buffer structure layer formed on the electrode, the conductivity of the electrode is improved, the electrode coating arranged in a multi-structure layer is better in protection, and the service life of the electrode is prolonged; the electrode arranged by the multi-structural-layer coating is formed by the electrode base body 1, the electrode base body 1 is cleaned, the primary coating, the secondary coating, the tertiary coating and the detection and repair method are carried out, the electrode base body 1 is cleaned, the surface of the electrode base body 1 is clean, and the micro-porous layer is formed on the surface of the electrode base body, so that the firmness and the stability between the electrode base body 1 and the coating are improved, the product quality is guaranteed through detection, the rejection rate of finished products of the electrode is reduced, and the energy consumption and the cost of electrode preparation are reduced.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (10)

1. The composite electrode comprises an electrode substrate (1) and a composite coating, and is characterized in that: the electrode base member (1) relative both sides are equipped with composite coating, composite coating includes one-level coating (2), second grade coating (3) and tertiary coating (4), the surface at electrode base member (1) is coated in one-level coating (2), one side that electrode base member (1) was kept away from in one-level coating (2) has second grade coating (3), one side that one-level coating (2) was kept away from in second grade coating (3) has tertiary coating (4) to coat.
2. The composite electrode of claim 1, wherein: a microporous layer is formed on the surface of the electrode substrate (1).
3. The composite electrode of claim 1, wherein: the primary coating (2) is a titanium tantalum coating, the number of layers of the primary coating (2) is 8-12, and the thickness of the primary coating (2) is 2.5-4 mu m.
4. The composite electrode of claim 1, wherein: the secondary coating (3) is an iridium tantalum coating liquid coating, the number of layers of the secondary coating (3) is 6-10, and the thickness of the secondary coating (3) is 2-3 mu m.
5. The composite electrode of claim 1, wherein: the three-level coating (4) is an iridium tantalum titanium electrode coating, the number of layers of the three-level coating (4) is 6-8, and the thickness of the three-level coating (4) is 1.5-2.5 mu m.
6. The preparation method of the composite electrode is characterized by comprising the following steps: the method comprises the following steps:
step one, forming an electrode substrate (1): cutting an electrode substrate (1) with the size corresponding to the size of the composite electrode by adopting cutting equipment;
step two, cleaning an electrode substrate (1): cleaning the electrode substrate (1) cut in the step one by using cleaning equipment;
step three, primary coating: coating the solution A on the surface of the electrode substrate (1) treated in the step two by adopting coating equipment, performing high-temperature sintering after each coating, and repeating the steps after cooling for many times to form a primary coating (2) of the electrode substrate (1);
step four, secondary coating: coating the solution B on the surface of the primary coating (2) coated in the third step by adopting coating equipment, performing high-temperature sintering after each coating, and repeating the steps after cooling for a plurality of times to form a secondary coating (3) of the electrode substrate (1);
step five, coating for the third time: and (3) coating the solution C on the surface of the secondary coating (3) treated in the fourth step by adopting coating equipment, performing high-temperature sintering after each coating, and repeating the steps after cooling for a plurality of times to form a tertiary coating (4) of the electrode substrate (1).
Step six, detection: detecting the coating of the electrode substrate (1) by using detection equipment, and testing the electrode performance of the electrode;
step seven, repairing: and (4) repeating the processes from the second step to the sixth step on the electrode which is detected to be unqualified through checking detection data, and repairing the damaged part on the surface of the electrode.
7. The method for producing a composite electrode according to claim 6, characterized in that: the cleaning of the electrode substrate (1) in the second step comprises the following steps:
1) soaking the electrode substrate (1) prepared in the step one in a degreasing solution for 15-20 min;
2) taking out the soaked electrode substrate (1) for laser etching, and washing the etched electrode substrate (1) clean;
3) and soaking the washed electrode substrate (1) in an acid solution for acid etching treatment, soaking for 10-20 minutes, taking out, cleaning and drying.
8. The method for producing a composite electrode according to claim 6, characterized in that: the solution A is a titanium-tantalum mixed solution, the titanium-tantalum mixed solution is prepared by titanium tetrachloride, tantalum pentachloride, hydrochloric acid and an alcohol solution, and the titanium tetrachloride and the tantalum pentachloride are dispersed into the alcohol solution containing the hydrochloric acid and the active adhesive to obtain the titanium-tantalum mixed solution; the solution B is an iridium-tantalum mixed solution, the iridium-tantalum mixed solution is prepared from chloroiridic acid, tantalum pentachloride, stannic chloride, hydrochloric acid and an alcohol solution, and the chloroiridic acid, the tantalum pentachloride and the stannic chloride are dispersed into the alcohol solution containing the hydrochloric acid and an active adhesive to obtain the iridium-tantalum mixed solution; the solution C is an iridium-zirconium mixed solution, the iridium-zirconium mixed solution is prepared from chloroiridic acid, tetrabutyl zirconate, n-butyl alcohol and isopropanol, and the chloroiridic acid and the tetrabutyl zirconate are dispersed into the n-butyl alcohol and the isopropanol to obtain the iridium-zirconium mixed solution.
9. The method for producing a composite electrode according to claim 6, characterized in that: the temperature of the high-temperature sintering in the third step to the fifth step is 350-500 ℃.
10. The method for producing a composite electrode according to claim 7, characterized in that: in the second step, acid etching is carried out on the electrode substrate (1) by adopting a mixed acid solution formed by a 3% hydrochloric acid solution and a 10% oxalic acid solution; and in the second step, the wastewater generated by cleaning the electrode substrate (1) is recycled after filtration and neutralization.
CN202010784066.XA 2020-08-06 2020-08-06 Composite electrode and preparation method thereof Withdrawn CN111926311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010784066.XA CN111926311A (en) 2020-08-06 2020-08-06 Composite electrode and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010784066.XA CN111926311A (en) 2020-08-06 2020-08-06 Composite electrode and preparation method thereof

Publications (1)

Publication Number Publication Date
CN111926311A true CN111926311A (en) 2020-11-13

Family

ID=73307177

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010784066.XA Withdrawn CN111926311A (en) 2020-08-06 2020-08-06 Composite electrode and preparation method thereof

Country Status (1)

Country Link
CN (1) CN111926311A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107213894A (en) * 2017-06-14 2017-09-29 东莞市中瑞电极工业科技有限公司 A kind of environment-friendly water-soluble platinum salt Ti electrode masking liquid
CN108642479A (en) * 2018-05-29 2018-10-12 江阴安诺电极有限公司 The preparation method of the electrode coating of efficient high activity

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107213894A (en) * 2017-06-14 2017-09-29 东莞市中瑞电极工业科技有限公司 A kind of environment-friendly water-soluble platinum salt Ti electrode masking liquid
CN108642479A (en) * 2018-05-29 2018-10-12 江阴安诺电极有限公司 The preparation method of the electrode coating of efficient high activity

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
黄永昌: "贵金属氧化物涂层钛阳极的进展", 《腐蚀与防护》 *

Similar Documents

Publication Publication Date Title
US8815471B2 (en) Method of manufacturing fuel cell separator, fuel cell separator and fuel cell, including gold plating
CN101575723B (en) Anode oxidation method
CN107681173A (en) A kind of point-like conduction composite coating for fuel battery metal pole plate
US7232508B2 (en) Electrolytic electrode and process of producing the same
CN106086989B (en) A kind of titania modified by Argentine nanotube composite anode and preparation method thereof
CN108122691A (en) Lithium-ion capacitor collector foil and its manufacturing method
JP2004139951A (en) Separator for fuel cell and its manufacturing method
CN104846398B (en) A kind of titanium-based TiNx/IrO2‑Ta2O5Coated anode
CN111926311A (en) Composite electrode and preparation method thereof
JP2023523690A (en) Method for the treatment of metal substrates for the production of electrodes
CN114164419B (en) Method for preparing platinum active layer on anode plate by thermal decomposition method
CN111926345B (en) IrO2-Ta2O5 anode with TiN nanotube interlayer
JP2009087909A (en) Manufacturing method of separator for fuel cell
CN114540824A (en) Method for regenerating titanium anode plate by using waste acid solution
CN109097817B (en) Method and device for improving wave edge of low-voltage anode foil
CN110408950B (en) Electrolytic water cathode based on microscopic blasting process and preparation method thereof
CN111926310A (en) Preparation method of high-efficiency and high-activity electrode coating
JP2024056161A (en) Method for producing separator
CN114752971B (en) Preparation method of coated titanium anode with high electrolytic durability
CN112030188B (en) IrO2 nano-coating anode with TiN nano-tube intermediate layer
CN111559783A (en) Method for preparing novel tin-antimony electrode
CN116573728B (en) Preparation method of titanium anode plate for water treatment
CN115626691A (en) Preparation method of long-life high-performance titanium substrate stannic oxide electrode
JP3855121B2 (en) Method for producing electrode assembly for polymer electrolyte water electrolysis
JP5497865B2 (en) Manufacturing method of fuel cell separator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20201113

WW01 Invention patent application withdrawn after publication