CN112735674A - Preparation method of nickel electrode slurry for electronic element - Google Patents
Preparation method of nickel electrode slurry for electronic element Download PDFInfo
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- CN112735674A CN112735674A CN202011561123.4A CN202011561123A CN112735674A CN 112735674 A CN112735674 A CN 112735674A CN 202011561123 A CN202011561123 A CN 202011561123A CN 112735674 A CN112735674 A CN 112735674A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/14—Conductive material dispersed in non-conductive inorganic material
- H01B1/16—Conductive material dispersed in non-conductive inorganic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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Abstract
The invention relates to the technical field of electronic element production, and discloses a preparation method of nickel electrode slurry for an electronic element, which comprises the following steps: s1, putting the nickel powder and the glass powder into a mixing device, starting the mixing device, and continuously shaking and mixing for 10-20 min to obtain a mixture; s2, putting the mixture into a dispersing device, adding an organic carrier into the mixture, starting the dispersing device, and continuously stirring for 10-15 min at the temperature of 40-50 ℃ to obtain slurry A; s3, adding aluminum powder into the slurry A, starting the dispersing device again, and continuously stirring for 8-15 min at the temperature of 40-45 ℃ to obtain slurry B; the aluminum powder and the sodium chloride solution are added into the slurry, so that the conductivity of the slurry can be greatly improved, the slurry can be used on electronic elements with requirements on conductivity, and can be coated on some bearing objects with requirements on conductivity in more practical use, so that the conductivity of the bearing objects can be greatly improved.
Description
Technical Field
The invention relates to the technical field of electronic element production, in particular to a preparation method of nickel electrode slurry for an electronic element.
Background
Electronic components are basic elements in electronic circuits, typically individually packaged, and have two or more leads or metal contacts. Electronic components are interconnected to form an electronic circuit with specific functions, and in the process of producing the electronic components, in order to ensure good performance of the electronic components, good motor paste is generally required to be clamped, wherein the good motor paste comprises nickel electrode paste.
When the existing nickel electrode slurry is produced and prepared, the slurry only contains nickel which is a material with good conductivity, so that the use requirement of electronic elements on some electronic elements with the requirement on conductivity can not be met.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of nickel electrode slurry for electronic elements, which solves the problem that the slurry only contains nickel which is a material with good conductivity, so that the use requirement of the electronic elements on some electronic elements with the requirement on the conductivity can not be met.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of nickel electrode slurry for electronic components comprises the following steps:
s1, putting the nickel powder and the glass powder into a mixing device, starting the mixing device, and continuously shaking and mixing for 10-20 min to obtain a mixture;
s2, putting the mixture into a dispersing device, adding an organic carrier into the mixture, starting the dispersing device, and continuously stirring for 10-15 min at the temperature of 40-50 ℃ to obtain slurry A;
s3, adding aluminum powder into the slurry A, starting the dispersing device again, and continuously stirring for 8-15 min at the temperature of 40-45 ℃ to obtain slurry B;
s4, adding a certain amount of sodium chloride solution into the slurry B, then starting the dispersing device again, and continuously stirring for 5-8 min at 35-40 ℃ to obtain slurry C;
s5, putting the slurry C into a drying device, and drying at 75-90 ℃ for 30-45 min to ensure that the water content in the slurry C is 5-9%;
and S6, finally, detecting and packaging to obtain the nickel electrode slurry.
Preferably, the nickel powder in step S1 is prepared by the following steps: firstly, selecting nickel salt and a corresponding reducing agent, respectively preparing the nickel salt and the reducing agent into aqueous solutions, then mixing after adjusting the state of the solutions, generating, nucleating and growing nickel in the mixed solution, then separating and drying to prepare the nickel powder.
Preferably, the preparation process of the glass frit in step S1 is as follows: putting boron trioxide and silicon dioxide into a crushing device, crushing for 15min-25min, sieving with a 200-300 mesh sieve to obtain mixed powder, putting the mixed powder into a mixing device, adding aluminum oxide into the mixed powder, and mixing for 10min-15min to obtain the glass powder.
Preferably, the ratio of the aluminum oxide to the mixed powder is 1: 2-4.
Preferably, the organic vehicle in step S2 includes: organic solvents, thickeners, surfactants, casting agents and thixotropic agents.
Preferably, the organic solvent is terpineol, the thickener is ethyl cellulose, the surfactant is alcohol containing hydroxyl, the casting agent is organic acid, and the thixotropic agent is calcium carbonate.
Preferably, the preparation process of the aluminum powder in the step S3 is as follows: and (3) placing the pure aluminum foil into a crushing device, then dropwise adding a small amount of lubricant into the crushing device, crushing for 8-12 min, and sieving with a 100-200-mesh sieve to obtain the aluminum powder.
Preferably, the ratio of the sodium chloride solution to the slurry B in the step S4 is 1: 3-5.
(III) advantageous effects
The invention provides a preparation method of nickel electrode slurry for electronic components, which has the following beneficial effects:
in the production and preparation process, the aluminum powder and the sodium chloride solution are added into the slurry, so that the conductivity of the slurry can be greatly improved, the slurry can be used on electronic elements with requirements on conductivity, and can be coated on some bearing objects with requirements on conductivity in more practical use, thereby greatly improving the conductivity of the bearing objects.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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
A preparation method of nickel electrode slurry for electronic components comprises the following steps:
s1, putting the nickel powder and the glass powder into a mixing device, starting the mixing device, and continuously shaking and mixing for 10min to obtain a mixture;
s2, putting the mixture into a dispersing device, adding an organic carrier into the mixture, starting the dispersing device, and continuously stirring for 10min at 40 ℃ to obtain slurry A;
s3, adding aluminum powder into the slurry A, starting the dispersing device again, and continuously stirring for 8min at 40 ℃ to obtain slurry B;
s4, adding a certain amount of sodium chloride solution into the slurry B, wherein the ratio of the sodium chloride solution to the slurry B is 1: 3, then starting the dispersing device again, and continuously stirring for 5min at 35 ℃ to obtain slurry C;
s5, putting the slurry C into a drying device, and drying for 30min at 75 ℃ to ensure that the water content in the slurry C is 9%;
and S6, finally, detecting and packaging to obtain the nickel electrode slurry.
The preparation process of the nickel powder comprises the following steps: firstly, selecting nickel salt and a corresponding reducing agent, respectively preparing the nickel salt and the reducing agent into aqueous solutions, then mixing after adjusting the state of the solutions, generating, nucleating and growing nickel in the mixed solution, then separating and drying to prepare the nickel powder.
The preparation process of the glass powder comprises the following steps: putting boron trioxide and silicon dioxide into a crushing device, crushing for 15min, sieving with a 200-mesh sieve to obtain mixed powder, putting the mixed powder into a mixing device, adding aluminum oxide into the mixed powder, wherein the ratio of the aluminum oxide to the mixed powder is 1: 2, and mixing for 10min to obtain the glass powder.
The organic vehicle includes: terpineol is an organic solvent, ethyl cellulose is a thickening agent, alcohols containing hydroxyl are a surfactant, organic acid is a casting agent, and calcium carbonate is a thixotropic agent.
The preparation process of the aluminum powder comprises the following steps: and (3) placing the pure aluminum foil into a crushing device, then dropwise adding a small amount of lubricant into the crushing device, crushing for 8min, and sieving with a 100-mesh sieve to obtain the aluminum powder.
Example 2
A preparation method of nickel electrode slurry for electronic components comprises the following steps:
s1, putting the nickel powder and the glass powder into a mixing device, starting the mixing device, and continuously shaking and mixing for 12min to obtain a mixture;
s2, putting the mixture into a dispersing device, adding an organic carrier into the mixture, starting the dispersing device, and continuously stirring for 12min at 43 ℃ to obtain slurry A;
s3, adding aluminum powder into the slurry A, starting the dispersing device again, and continuously stirring for 10min at 40 ℃ to obtain slurry B;
s4, adding a certain amount of sodium chloride solution into the slurry B, wherein the ratio of the sodium chloride solution to the slurry B is 1: 3.5, then starting the dispersing device again, and continuously stirring for 6min at 35 ℃ to obtain slurry C;
s5, putting the slurry C into a drying device, and drying for 33min at 75 ℃ to ensure that the water content in the slurry C is 8.5%;
and S6, finally, detecting and packaging to obtain the nickel electrode slurry.
The preparation process of the nickel powder comprises the following steps: firstly, selecting nickel salt and a corresponding reducing agent, respectively preparing the nickel salt and the reducing agent into aqueous solutions, then mixing after adjusting the state of the solutions, generating, nucleating and growing nickel in the mixed solution, then separating and drying to prepare the nickel powder.
The preparation process of the glass powder comprises the following steps: putting boron trioxide and silicon dioxide into a crushing device, crushing for 17min, sieving with a 200-mesh sieve to obtain mixed powder, putting the mixed powder into a mixing device, adding aluminum oxide into the mixed powder, wherein the ratio of the aluminum oxide to the mixed powder is 1: 2, and mixing for 12min to obtain the glass powder.
The organic vehicle includes: terpineol is an organic solvent, ethyl cellulose is a thickening agent, alcohols containing hydroxyl are a surfactant, organic acid is a casting agent, and calcium carbonate is a thixotropic agent.
The preparation process of the aluminum powder comprises the following steps: and (3) placing the pure aluminum foil into a crushing device, then dropwise adding a small amount of lubricant into the crushing device, crushing for 9min, and sieving with a 100-mesh sieve to obtain the aluminum powder.
Example 3
A preparation method of nickel electrode slurry for electronic components comprises the following steps:
s1, putting the nickel powder and the glass powder into a mixing device, starting the mixing device, and continuously shaking and mixing for 14min to obtain a mixture;
s2, putting the mixture into a dispersing device, adding an organic carrier into the mixture, starting the dispersing device, and continuously stirring at 44 ℃ for 12min to obtain slurry A;
s3, adding aluminum powder into the slurry A, starting the dispersing device again, and continuously stirring for 10min at 42 ℃ to obtain slurry B;
s4, adding a certain amount of sodium chloride solution into the slurry B, wherein the ratio of the sodium chloride solution to the slurry B is 1: 3.5, then starting the dispersing device again, and continuously stirring for 6min at 37 ℃ to obtain slurry C;
s5, putting the slurry C into a drying device, and drying at 77 ℃ for 35min to ensure that the water content in the slurry C is 8%;
and S6, finally, detecting and packaging to obtain the nickel electrode slurry.
The preparation process of the nickel powder comprises the following steps: firstly, selecting nickel salt and a corresponding reducing agent, respectively preparing the nickel salt and the reducing agent into aqueous solutions, then mixing after adjusting the state of the solutions, generating, nucleating and growing nickel in the mixed solution, then separating and drying to prepare the nickel powder.
The preparation process of the glass powder comprises the following steps: putting boron trioxide and silicon dioxide into a crushing device, crushing for 19min, sieving with a 250-mesh sieve to obtain mixed powder, putting the mixed powder into a mixing device, adding aluminum oxide into the mixed powder, wherein the ratio of the aluminum oxide to the mixed powder is 1: 2.5, and mixing for 13min to obtain the glass powder.
The organic vehicle includes: terpineol is an organic solvent, ethyl cellulose is a thickening agent, alcohols containing hydroxyl are a surfactant, organic acid is a casting agent, and calcium carbonate is a thixotropic agent.
The preparation process of the aluminum powder comprises the following steps: and (3) placing the pure aluminum foil into a crushing device, then dropwise adding a small amount of lubricant into the crushing device, crushing for 9min, and sieving with a 120-mesh sieve to obtain the aluminum powder.
Example 4
A preparation method of nickel electrode slurry for electronic components comprises the following steps:
s1, putting the nickel powder and the glass powder into a mixing device, starting the mixing device, and continuously shaking and mixing for 17min to obtain a mixture;
s2, putting the mixture into a dispersing device, adding an organic carrier into the mixture, starting the dispersing device, and continuously stirring for 13min at 48 ℃ to obtain slurry A;
s3, adding aluminum powder into the slurry A, starting the dispersing device again, and continuously stirring for 13min at the temperature of 43 ℃ to obtain slurry B;
s4, adding a certain amount of sodium chloride solution into the slurry B, wherein the ratio of the sodium chloride solution to the slurry B is 1: 4, then starting the dispersing device again, and continuously stirring for 7min at 37 ℃ to obtain slurry C;
s5, putting the slurry C into a drying device, and drying at 83 ℃ for 40min to ensure that the water content in the slurry C is 6.5%;
and S6, finally, detecting and packaging to obtain the nickel electrode slurry.
The preparation process of the nickel powder comprises the following steps: firstly, selecting nickel salt and a corresponding reducing agent, respectively preparing the nickel salt and the reducing agent into aqueous solutions, then mixing after adjusting the state of the solutions, generating, nucleating and growing nickel in the mixed solution, then separating and drying to prepare the nickel powder.
The preparation process of the glass powder comprises the following steps: putting boron trioxide and silicon dioxide into a crushing device, crushing for 23min, sieving with a 250-mesh sieve to obtain mixed powder, putting the mixed powder into a mixing device, adding aluminum oxide into the mixed powder, wherein the ratio of the aluminum oxide to the mixed powder is 1: 3, and mixing for 13min to obtain the glass powder.
The organic vehicle includes: terpineol is an organic solvent, ethyl cellulose is a thickening agent, alcohols containing hydroxyl are a surfactant, organic acid is a casting agent, and calcium carbonate is a thixotropic agent.
The preparation process of the aluminum powder comprises the following steps: and (3) placing the pure aluminum foil into a crushing device, then dropwise adding a small amount of lubricant into the crushing device, crushing for 10min, and sieving with a 150-mesh sieve to obtain the aluminum powder.
Example 5
A preparation method of nickel electrode slurry for electronic components comprises the following steps:
s1, putting the nickel powder and the glass powder into a mixing device, starting the mixing device, and continuously shaking and mixing for 20min to obtain a mixture;
s2, putting the mixture into a dispersing device, adding an organic carrier into the mixture, starting the dispersing device, and continuously stirring for 15min at 50 ℃ to obtain slurry A;
s3, adding aluminum powder into the slurry A, starting the dispersing device again, and continuously stirring for 15min at 45 ℃ to obtain slurry B;
s4, adding a certain amount of sodium chloride solution into the slurry B, wherein the ratio of the sodium chloride solution to the slurry B is 1: 5, then starting the dispersing device again, and continuously stirring for 8min at 40 ℃ to obtain slurry C;
s5, putting the slurry C into a drying device, and drying for 45min at 90 ℃ to ensure that the water content in the slurry C is 5%;
and S6, finally, detecting and packaging to obtain the nickel electrode slurry.
The preparation process of the nickel powder comprises the following steps: firstly, selecting nickel salt and a corresponding reducing agent, respectively preparing the nickel salt and the reducing agent into aqueous solutions, then mixing after adjusting the state of the solutions, generating, nucleating and growing nickel in the mixed solution, then separating and drying to prepare the nickel powder.
The preparation process of the glass powder comprises the following steps: putting boron trioxide and silicon dioxide into a crushing device, crushing for 25min, sieving with a 300-mesh sieve to obtain mixed powder, putting the mixed powder into a mixing device, adding aluminum oxide into the mixed powder, wherein the ratio of the aluminum oxide to the mixed powder is 1: 4, and mixing for 15min to obtain the glass powder.
The organic vehicle includes: terpineol is an organic solvent, ethyl cellulose is a thickening agent, alcohols containing hydroxyl are a surfactant, organic acid is a casting agent, and calcium carbonate is a thixotropic agent.
The preparation process of the aluminum powder comprises the following steps: and (3) placing the pure aluminum foil into a crushing device, then dropwise adding a small amount of lubricant into the crushing device, crushing for 12min, and sieving with a 200-mesh sieve to obtain the aluminum powder.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A preparation method of nickel electrode slurry for electronic components is characterized by comprising the following steps:
s1, putting the nickel powder and the glass powder into a mixing device, starting the mixing device, and continuously shaking and mixing for 10-20 min to obtain a mixture;
s2, putting the mixture into a dispersing device, adding an organic carrier into the mixture, starting the dispersing device, and continuously stirring for 10-15 min at the temperature of 40-50 ℃ to obtain slurry A;
s3, adding aluminum powder into the slurry A, starting the dispersing device again, and continuously stirring for 8-15 min at the temperature of 40-45 ℃ to obtain slurry B;
s4, adding a certain amount of sodium chloride solution into the slurry B, then starting the dispersing device again, and continuously stirring for 5-8 min at 35-40 ℃ to obtain slurry C;
s5, putting the slurry C into a drying device, and drying at 75-90 ℃ for 30min-45min to ensure that the water content in the slurry C is 5-9%;
and S6, finally, detecting and packaging to obtain the nickel electrode slurry.
2. The method for preparing a nickel electrode paste for electronic components according to claim 1, wherein: the nickel powder in step S1 is prepared by the following steps: firstly, selecting nickel salt and a corresponding reducing agent, respectively preparing the nickel salt and the reducing agent into aqueous solutions, then mixing after adjusting the state of the solutions, generating, nucleating and growing nickel in the mixed solution, then separating and drying to prepare the nickel powder.
3. The method for preparing a nickel electrode paste for electronic components according to claim 1, wherein: the preparation process of the glass powder in the step S1 is as follows: putting boron trioxide and silicon dioxide into a crushing device, crushing for 15min-25min, sieving with a 200-300 mesh sieve to obtain mixed powder, putting the mixed powder into a mixing device, adding aluminum oxide into the mixed powder, and mixing for 10min-15min to obtain the glass powder.
4. The method for preparing a nickel electrode paste for electronic components as claimed in claim 3, wherein: the ratio of the aluminum oxide to the mixed powder is 1: 2-4.
5. The method for preparing a nickel electrode paste for electronic components according to claim 1, wherein: the organic vehicle in step S2 includes: organic solvents, thickeners, surfactants, casting agents and thixotropic agents.
6. The method for preparing a nickel electrode paste for electronic components according to claim 5, wherein: the organic solvent is terpineol, the thickening agent is ethyl cellulose, the surface active agent is alcohol containing hydroxyl, the casting agent is organic acid, and the thixotropic agent is calcium carbonate.
7. The method for preparing a nickel electrode paste for electronic components according to claim 1, wherein: the preparation process of the aluminum powder in the step S3 is as follows: and (3) placing the pure aluminum foil into a crushing device, then dropwise adding a small amount of lubricant into the crushing device, crushing for 8-12 min, and sieving with a 100-200-mesh sieve to obtain the aluminum powder.
8. The method for preparing a nickel electrode paste for electronic components according to claim 1, wherein: the ratio of the sodium chloride solution to the slurry B in the step S4 is 1: 3-5.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710509A (en) * | 2009-12-25 | 2010-05-19 | 彩虹集团公司 | Preparation method of leadless nickel electrode slurry for thick-film resistor |
| CN102412020A (en) * | 2011-11-21 | 2012-04-11 | 广东风华高新科技股份有限公司 | Method for preparing nickel electrode slurry for electronic component |
| CN102699348A (en) * | 2012-07-02 | 2012-10-03 | 昆明理工大学 | Method of preparing micron-sized spherical high-purity nickel powder |
| JP2015046256A (en) * | 2013-08-27 | 2015-03-12 | 住友金属鉱山株式会社 | Manufacturing method of nickel paste and nickel paste |
| CN211464832U (en) * | 2020-01-13 | 2020-09-11 | 山东卓越光能科技有限公司 | Novel aluminum powder production equipment |
-
2020
- 2020-12-25 CN CN202011561123.4A patent/CN112735674A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710509A (en) * | 2009-12-25 | 2010-05-19 | 彩虹集团公司 | Preparation method of leadless nickel electrode slurry for thick-film resistor |
| CN102412020A (en) * | 2011-11-21 | 2012-04-11 | 广东风华高新科技股份有限公司 | Method for preparing nickel electrode slurry for electronic component |
| CN102699348A (en) * | 2012-07-02 | 2012-10-03 | 昆明理工大学 | Method of preparing micron-sized spherical high-purity nickel powder |
| JP2015046256A (en) * | 2013-08-27 | 2015-03-12 | 住友金属鉱山株式会社 | Manufacturing method of nickel paste and nickel paste |
| CN211464832U (en) * | 2020-01-13 | 2020-09-11 | 山东卓越光能科技有限公司 | Novel aluminum powder production equipment |
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Application publication date: 20210430 |