CN112853332B - Method for galvanizing surface of glass powder - Google Patents
Method for galvanizing surface of glass powder Download PDFInfo
- Publication number
- CN112853332B CN112853332B CN202110095406.2A CN202110095406A CN112853332B CN 112853332 B CN112853332 B CN 112853332B CN 202110095406 A CN202110095406 A CN 202110095406A CN 112853332 B CN112853332 B CN 112853332B
- Authority
- CN
- China
- Prior art keywords
- glass powder
- reaction
- solution
- agent
- zinc
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 title claims abstract description 123
- 239000000843 powder Substances 0.000 title claims abstract description 113
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005246 galvanizing Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 21
- 239000011701 zinc Substances 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000008139 complexing agent Substances 0.000 claims abstract description 15
- 239000012459 cleaning agent Substances 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 238000007747 plating Methods 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 56
- 239000012295 chemical reaction liquid Substances 0.000 claims description 20
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 150000003751 zinc Chemical class 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000002270 dispersing agent Substances 0.000 claims description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 8
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 7
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 7
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 7
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 6
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 5
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000001630 malic acid Substances 0.000 claims description 5
- 235000011090 malic acid Nutrition 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 239000012279 sodium borohydride Substances 0.000 claims description 4
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 4
- 239000011975 tartaric acid Substances 0.000 claims description 4
- 235000002906 tartaric acid Nutrition 0.000 claims description 4
- 239000011592 zinc chloride Substances 0.000 claims description 4
- 235000005074 zinc chloride Nutrition 0.000 claims description 4
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical group [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 4
- 229960001763 zinc sulfate Drugs 0.000 claims description 4
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 4
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- 235000015165 citric acid Nutrition 0.000 claims description 3
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 13
- 239000002253 acid Substances 0.000 abstract description 3
- 230000003749 cleanliness Effects 0.000 abstract description 3
- 230000036632 reaction speed Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 9
- 229910052709 silver Inorganic materials 0.000 description 7
- 239000004332 silver Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C18/00—Chemical 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
- C23C18/16—Chemical 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 reduction or substitution, e.g. electroless plating
- C23C18/52—Chemical 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 reduction or substitution, e.g. electroless plating using reducing agents for coating with metallic material not provided for in a single one of groups C23C18/32 - C23C18/50
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C18/00—Chemical 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
- C23C18/16—Chemical 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 reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1851—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material
- C23C18/1872—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment
- C23C18/1875—Pretreatment of the material to be coated of surfaces of non-metallic or semiconducting in organic material by chemical pretreatment only one step pretreatment
- C23C18/1882—Use of organic or inorganic compounds other than metals, e.g. activation, sensitisation with polymers
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemically Coating (AREA)
- Coating With Molten Metal (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a method for galvanizing the surface of glass powder, which relates to the technical field of photovoltaics, and the technical scheme is characterized by comprising the following steps: step 1, placing glass powder into a cleaning agent for surface pretreatment, and filtering and drying after cleaning to obtain pretreated glass powder; step 2, placing the pretreated glass powder into a reaction solution for reaction, coating zinc on the peripheral side wall of the pretreated glass powder, and filtering to obtain plating glass powder; and step 3, cleaning and drying the coated glass powder in sequence to obtain the glass powder with the galvanized surface. The pretreatment glass powder with high surface cleanliness and easy plating is obtained after alkaline washing and acid washing; then controlling the reaction speed of zinc by combining a reducing agent and a complexing agent, so that the zinc is uniformly distributed on the surface of the pretreated glass powder; therefore, the effect of uniformly distributing zinc between silver powder and glass powder is achieved, the influence on the photoelectric conversion rate of the solar cell is effectively avoided, and the photoelectric conversion rate of the solar cell is guaranteed.
Description
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a method for galvanizing the surface of glass powder.
Background
The electronic silver paste is a composite material integrating a plurality of advanced materials, mainly comprises inorganic nonmetallic materials, high polymers and metal materials, and is widely applied to electronic information industries such as battery electrodes, membrane switches, integrated circuits, flexible circuits, sensitive components, conductive adhesives and other electronic components. With the development of electronic technology and the increase of the demand of people for electronic products, the electronic silver paste industry is rapidly developed. China is a large-demand country with electronic silver paste, research starts later, mainly starts from the late 80 s, and has fewer types. Therefore, developing autonomous electronic silver paste is one of the main hot spots at present.
In the existing solar cell silver paste, glass powder is used as an important component of solar conductive adhesive, and the performance and conversion rate of the solar cell are influenced by adjusting the performance of the silver paste. The zinc is added into the silver paste, so that the silver powder can be prevented from being excessively sintered, the diffusion of liquefied glass can be restrained, the combination of conductive particles and a semiconductor interface is facilitated, the resistance is reduced, and the photoelectric conversion efficiency of the solar cell is improved.
However, zinc is directly added into the paste, so that zinc cannot be uniformly distributed between silver powder and glass powder, an expected effect cannot be achieved, the photoelectric conversion rate of the solar cell is seriously affected, and the improvement is needed.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a method for galvanizing the surface of glass powder, which has the advantage of effectively solving the problem that zinc is uniformly distributed between silver powder and glass powder in slurry to influence the photoelectric conversion rate of a solar cell.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a method for galvanizing the surface of glass powder, comprising the following steps:
step 1, placing glass powder into a cleaning agent for surface pretreatment, and filtering and drying after cleaning to obtain pretreated glass powder;
step 2, placing the pretreated glass powder into a reaction solution for reaction, coating zinc on the peripheral side wall of the pretreated glass powder, and filtering to obtain plating glass powder;
and step 3, cleaning and drying the coated glass powder in sequence to obtain the glass powder with the galvanized surface.
The invention is further provided with: in step 1, the surface pretreatment includes the steps of:
s1, placing glass powder into a primary cleaning agent, and washing with deionized water after ultrasonic stirring and dispersion;
s2, placing the glass powder subjected to the step S1 into a secondary cleaning agent for stirring;
s3, cleaning the glass powder subjected to S2, and filtering and drying to obtain the pretreated glass powder.
The invention is further provided with: the primary cleaning agent is sodium hydroxide solution with the mass fraction of 0.5% -10%.
The invention is further provided with: the secondary cleaning agent comprises 15-25mol/L HF solution and 1-2.5mol/L NH 3 Mixed solution of F solution.
The invention is further provided with: in step 2, the reaction in the reaction liquid comprises the following steps: a. preparing a reaction solution and a reducing solution, wherein the reaction solution is prepared by dissolving zinc salt, a complexing agent and a dispersing agent in water, and the reducing solution is prepared by dissolving a reducing agent in water; b. adding the pretreated glass powder into the reaction liquid, stirring and dispersing by ultrasonic, and slowly dripping the reducing liquid until the reaction is finished.
The invention is further provided with: the zinc salt is zinc sulfate or zinc chloride, and the concentration of the zinc salt in the reaction liquid is 0.01mol/L-0.5mol/L.
The invention is further provided with: the complexing agent is citric acid, tartaric acid or malic acid.
The invention is further provided with: the dispersing agent is at least one of polyacrylamide, polyvinylpyrrolidone and sodium dodecyl benzene sulfonate.
The invention is further provided with: the reducing agent is sodium borohydride, potassium borohydride or sodium hypophosphite, and the concentration of the reducing solution is 0.2mol/L-2mol/L.
The invention is further provided with: the mass ratio of the pretreated glass powder to the reaction liquid is 1-6:20.
In summary, the invention has the following beneficial effects: the glass powder is subjected to surface pretreatment comprising secondary cleaning, and the pretreated glass powder which has high surface cleanliness and is easy to plate is obtained after alkaline cleaning and acid cleaning respectively; meanwhile, the reaction speed of zinc is controlled by combining a reducing agent and a complexing agent, so that zinc is uniformly distributed on the surface of the pretreated glass powder, the plated glass powder with uniform surface galvanization is obtained, and then the galvanized glass powder can be obtained after subsequent cleaning and drying; therefore, the effect of uniformly distributing zinc between silver powder and glass powder can be realized by plating zinc on the surface of the glass powder, so that the influence on the photoelectric conversion rate of the solar cell is effectively avoided, and the photoelectric conversion rate of the solar cell is ensured.
Detailed Description
It should be noted that the embodiments described in this application are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The following specifically describes a method for galvanizing the surface of glass frit according to the embodiment of the present invention:
a method for galvanizing the surface of glass powder, comprising the following steps:
step 1, placing glass powder into a cleaning agent for surface pretreatment, cleaning, filtering and drying to obtain pretreated glass powder, wherein:
the surface pretreatment comprises the following steps:
s1, placing glass powder into a sodium hydroxide solution with the mass fraction of 0.5% -10%, stirring and dispersing by using ultrasonic waves, and washing by using deionized water;
s2, putting the glass powder subjected to S1 into an HF solution with the concentration of 15-25mol/L and an NH with the concentration of 1-2.5mol/L 3 Stirring the mixed solution of the solution F;
s3, cleaning the glass powder subjected to S2, and filtering and drying to obtain pretreated glass powder;
step 2, placing the pretreated glass powder into a reaction solution for reaction, coating zinc on the peripheral side wall of the pretreated glass powder, and filtering to obtain plating glass powder, wherein:
the mass ratio of the pretreated glass powder to the reaction liquid is 1-6:20;
and the reaction in the reaction liquid comprises the following steps: a. preparing a reaction solution and a reducing solution, wherein the reaction solution is prepared by dissolving zinc salt, a complexing agent and a dispersing agent in water, and the reducing solution is prepared by dissolving a reducing agent in water; b. adding the pretreated glass powder into the reaction liquid, stirring and dispersing by ultrasonic, and slowly dripping the reducing liquid until the reaction is finished;
and step 3, cleaning and drying the coated glass powder in sequence to obtain the glass powder with the galvanized surface.
It should be mentioned that zinc salt is zinc sulfate or zinc chloride, and the concentration of zinc salt in the reaction liquid is 0.01mol/L-0.5mol/L. The reducing agent is sodium borohydride, potassium borohydride or sodium hypophosphite, and the concentration of the reducing solution is 0.2mol/L-2mol/L. Meanwhile, the complexing agent is citric acid, tartaric acid or malic acid. The dispersing agent is at least one of polyacrylamide, polyvinylpyrrolidone and sodium dodecyl benzene sulfonate.
Example 1
A method for galvanizing the surface of glass powder, comprising the following steps:
step 1, placing glass powder into a cleaning agent for surface pretreatment, cleaning, filtering and drying to obtain pretreated glass powder, wherein:
the surface pretreatment comprises the following steps:
s1, placing glass powder into a sodium hydroxide solution with the mass fraction of 3%, stirring and dispersing for 30min by using ultrasonic waves, and washing by using deionized water;
s2, putting the glass powder subjected to S1 into a HF solution with the concentration of 15mol/L and NH with the concentration of 2.5mol/L 3 Ultrasonic stirring is carried out on the mixed solution of the solution F for 15min;
s3, cleaning the glass powder subjected to S2, and filtering and drying to obtain pretreated glass powder;
step 2, placing the pretreated glass powder into a reaction solution for reaction, coating zinc on the peripheral side wall of the pretreated glass powder, and filtering to obtain plating glass powder, wherein:
the mass ratio of the pretreated glass powder to the reaction liquid is 1.2:20;
and the reaction in the reaction liquid comprises the following steps: a. preparing a reaction solution and a reducing solution, wherein the reaction solution is prepared by dissolving zinc salt, a complexing agent and a dispersing agent in water, and the reducing solution is prepared by dissolving a reducing agent in water; b. adding the pretreated glass powder into the reaction liquid, stirring and dispersing by ultrasonic, and slowly dripping the reducing liquid at the speed of 5ml/min until the reaction is finished;
and step 3, cleaning and drying the coated glass powder in sequence to obtain the glass powder with the galvanized surface.
It should be noted that the zinc salt is zinc sulfate, and the concentration of the zinc salt in the reaction liquid is 0.01mol/L. The reducing agent is sodium borohydride, and the concentration of the reducing solution is 0.2mol/L. Meanwhile, the complexing agent is malic acid. The dispersing agent is polyvinylpyrrolidone.
The obtained glass powder has the effect of uniform surface galvanization after detection.
Example two
A method for galvanizing the surface of glass powder, comprising the following steps:
step 1, placing glass powder into a cleaning agent for surface pretreatment, cleaning, filtering and drying to obtain pretreated glass powder, wherein:
the surface pretreatment comprises the following steps:
s1, placing glass powder into a sodium hydroxide solution with the mass fraction of 5%, stirring and dispersing for 30min by using ultrasonic waves, and washing by using deionized water;
s2, putting the glass powder subjected to S1 into a HF solution with the concentration of 25mol/L and NH with the concentration of 1mol/L 3 Ultrasonic stirring is carried out on the mixed solution of the solution F for 15min;
s3, cleaning the glass powder subjected to S2, and filtering and drying to obtain pretreated glass powder;
step 2, placing the pretreated glass powder into a reaction solution for reaction, coating zinc on the peripheral side wall of the pretreated glass powder, and filtering to obtain plating glass powder, wherein:
the mass ratio of the pretreated glass powder to the reaction liquid is 1:20;
and the reaction in the reaction liquid comprises the following steps: a. preparing a reaction solution and a reducing solution, wherein the reaction solution is prepared by dissolving zinc salt, a complexing agent and a dispersing agent in water, and the reducing solution is prepared by dissolving a reducing agent in water; b. adding the pretreated glass powder into the reaction liquid, stirring and dispersing by ultrasonic, and slowly dripping the reducing liquid at the speed of 5ml/min until the reaction is finished;
and step 3, cleaning and drying the coated glass powder in sequence to obtain the glass powder with the galvanized surface.
It should be noted that the zinc salt was zinc chloride, and the concentration of zinc salt in the reaction liquid was 0.012mol/L. The reducing agent is potassium borohydride, and the concentration of the reducing solution is 0.28mol/L. Meanwhile, the complexing agent is tartaric acid. The dispersing agent is a mixture of polyvinylpyrrolidone and polyacrylamide.
The obtained glass powder has the effect of uniform surface galvanization after detection.
Example III
The difference between the third and the second embodiment is that the mass fraction of the sodium hydroxide solution in the third embodiment is 10%.
The obtained glass powder has the effect of uniform surface galvanization after detection.
Example IV
The difference between the fourth embodiment and the second embodiment is that the mass ratio of the pretreated glass frit to the reaction solution in the fourth embodiment is 6:20.
The obtained glass powder has the effect of uniform surface galvanization after detection.
Example five
The difference between the fifth and the second embodiments is that the concentration of zinc salt in the reaction solution in the fifth embodiment is 0.5mol/L. The concentration of the reducing solution was 2mol/L.
The obtained glass powder has the effect of uniform surface galvanization after detection.
Example six
The difference between the sixth embodiment and the second embodiment is that the concentration of zinc salt in the reaction solution in the sixth embodiment is 0.3mol/L. The concentration of the reducing solution was 1mol/L.
The obtained glass powder has the effect of uniform surface galvanization after detection.
Example seven
Embodiment seven differs from embodiment two in that the complexing agent in embodiment seven is malic acid. The dispersing agent is a mixture of polyacrylamide and sodium dodecyl benzene sulfonate.
The obtained glass powder has the effect of uniform surface galvanization after detection.
Example eight
The difference between the second embodiment and the eighth embodiment is that the complexing agent in the eighth embodiment is citric acid. The dispersing agent is a mixture of polyvinylpyrrolidone and sodium dodecyl benzene sulfonate.
The obtained glass powder has the effect of uniform surface galvanization after detection.
Example nine
The difference between the ninth embodiment and the second embodiment is that the dispersant in the ninth embodiment is a mixture of polyacrylamide, polyvinylpyrrolidone and sodium dodecylbenzenesulfonate.
The obtained glass powder has the effect of uniform surface galvanization after detection.
In summary, the surface pretreatment of the glass powder comprising secondary cleaning is performed, and after alkaline cleaning and acid cleaning are performed respectively, the surface of the glass powder is pretreated by the aqueous solution containing the surface modifier, so that the pretreated glass powder with high surface cleanliness and easy plating is obtained; meanwhile, the reaction speed of zinc is controlled by combining a reducing agent and a complexing agent, so that zinc is uniformly distributed on the surface of the pretreated glass powder, the plated glass powder with uniform surface galvanization is obtained, and then the galvanized glass powder can be obtained after subsequent cleaning and drying; therefore, the effect of uniformly distributing zinc between silver powder and glass powder can be realized by galvanizing the surface of the glass powder, so that the influence on the photoelectric conversion rate of the solar cell is effectively avoided, the photoelectric conversion rate of the solar cell is ensured, and the sintering performance of the galvanized glass powder is effectively improved when the addition amount of zinc is strictly controlled, so that the method has the effects of small pollution and convenience in operation.
Reference to "first," "second," "third," "fourth," etc. (if present) herein is used to distinguish similar objects from each other and does not necessarily describe a particular order or sequence. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, or apparatus.
It should be noted that the description herein of "first," "second," etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implying an indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.
The principles and embodiments of the present application are described herein with specific examples, the above examples being provided only to assist in understanding the methods of the present application and their core ideas; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (8)
1. A method for galvanizing a surface of glass powder, which is characterized by comprising the following steps:
step 1, placing glass powder into a cleaning agent for surface pretreatment, and filtering and drying after cleaning to obtain pretreated glass powder;
step 2, placing the pretreated glass powder into a reaction solution for reaction, coating zinc on the peripheral side wall of the pretreated glass powder, and filtering to obtain plating glass powder;
step 3, cleaning and drying the coated glass powder in sequence to obtain glass powder with galvanized surface; wherein:
the surface pretreatment comprises the following steps: s1, placing glass powder into a primary cleaning agent, and washing with deionized water after ultrasonic stirring and dispersion; s2, placing the glass powder subjected to the step S1 into a secondary cleaning agent for stirring; s3, cleaning the glass powder subjected to S2, and filtering and drying to obtain pretreated glass powder;
the reaction in the reaction liquid comprises the following steps: a. preparing a reaction solution and a reducing solution, wherein the reaction solution is prepared by dissolving zinc salt, a complexing agent and a dispersing agent in water, and the reducing solution is prepared by dissolving a reducing agent in water; b. adding the pretreated glass powder into the reaction liquid, stirring and dispersing by ultrasonic, and slowly dripping the reducing liquid until the reaction is finished.
2. A method of galvanising a glass frit surface according to claim 1, wherein: the primary cleaning agent is sodium hydroxide solution with the mass fraction of 0.5% -10%.
3. A method of galvanising a glass frit surface according to claim 2, characterized in that: the secondary cleaning agent comprises 15-25mol/L HF solution and 1-2.5mol/L NH 3 Mixed solution of F solution.
4. A method of galvanising a glass frit surface according to claim 1, wherein: the zinc salt is zinc sulfate or zinc chloride, and the concentration of the zinc salt in the reaction liquid is 0.01mol/L-0.5mol/L.
5. A method of galvanising a glass frit surface according to claim 1, wherein: the complexing agent is citric acid, tartaric acid or malic acid.
6. A method of galvanising a glass frit surface according to claim 1, wherein: the dispersing agent is at least one of polyacrylamide, polyvinylpyrrolidone and sodium dodecyl benzene sulfonate.
7. A method of galvanising a glass frit surface according to claim 1, wherein: the reducing agent is sodium borohydride, potassium borohydride or sodium hypophosphite, and the concentration of the reducing solution is 0.2mol/L-2mol/L.
8. A method of galvanising a glass frit surface according to claim 1, wherein: the mass ratio of the pretreated glass powder to the reaction liquid is 1-6:20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095406.2A CN112853332B (en) | 2021-01-25 | 2021-01-25 | Method for galvanizing surface of glass powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110095406.2A CN112853332B (en) | 2021-01-25 | 2021-01-25 | Method for galvanizing surface of glass powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112853332A CN112853332A (en) | 2021-05-28 |
| CN112853332B true CN112853332B (en) | 2024-02-27 |
Family
ID=76008278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110095406.2A Active CN112853332B (en) | 2021-01-25 | 2021-01-25 | Method for galvanizing surface of glass powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112853332B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008096179A1 (en) * | 2007-02-09 | 2008-08-14 | Toximet Limited | Solid phase extraction of aflatoxins |
| JP2012256580A (en) * | 2011-03-01 | 2012-12-27 | Dowa Electronics Materials Co Ltd | Silver-coated glass powder for electrical conduction, method for producing the same, and conductive paste |
| CN102892925A (en) * | 2010-04-09 | 2013-01-23 | 现代照明技术有限公司 | Mechanically plated pellets and method of manufacture |
| JP2015206087A (en) * | 2014-04-22 | 2015-11-19 | 住友金属鉱山株式会社 | Silver powder and method of producing the same |
| CN107324664A (en) * | 2017-06-16 | 2017-11-07 | 北京市合众创能光电技术有限公司 | A kind of method of modifying of solar cell conductive silver paste glass dust |
| JP2019053902A (en) * | 2017-09-15 | 2019-04-04 | Ｄｏｗａエレクトロニクス株式会社 | Conductive paste |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5931397B2 (en) * | 2011-10-20 | 2016-06-08 | 日本碍子株式会社 | Noble metal coating and method for producing the same |
-
2021
- 2021-01-25 CN CN202110095406.2A patent/CN112853332B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008096179A1 (en) * | 2007-02-09 | 2008-08-14 | Toximet Limited | Solid phase extraction of aflatoxins |
| CN102892925A (en) * | 2010-04-09 | 2013-01-23 | 现代照明技术有限公司 | Mechanically plated pellets and method of manufacture |
| JP2012256580A (en) * | 2011-03-01 | 2012-12-27 | Dowa Electronics Materials Co Ltd | Silver-coated glass powder for electrical conduction, method for producing the same, and conductive paste |
| JP2015206087A (en) * | 2014-04-22 | 2015-11-19 | 住友金属鉱山株式会社 | Silver powder and method of producing the same |
| CN107324664A (en) * | 2017-06-16 | 2017-11-07 | 北京市合众创能光电技术有限公司 | A kind of method of modifying of solar cell conductive silver paste glass dust |
| JP2019053902A (en) * | 2017-09-15 | 2019-04-04 | Ｄｏｗａエレクトロニクス株式会社 | Conductive paste |
Non-Patent Citations (1)
| Title |
|---|
| 太阳能电池用玻璃粉改性研究;陶寅莹;;玉溪师范学院学报(第04期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112853332A (en) | 2021-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4079691A1 (en) | Method for preparing high-density aluminum-doped cobalt oxide | |
| CN103700428B (en) | Silicon solar battery electrode electrocondution slurry and preparation method thereof | |
| CN111074317B (en) | Surface treatment method of copper foil and copper foil material | |
| CN113793927A (en) | Ternary cathode material of lithium ion battery and preparation method thereof | |
| CN106637159B (en) | A kind of chemical plating fluid, preparation method and a kind of method of Chemical Plating of Non metal Material | |
| CN112853332B (en) | Method for galvanizing surface of glass powder | |
| CN109680310B (en) | Nickel-antimony electroplating solution and preparation method thereof | |
| CN108878825B (en) | Surface-coated positive electrode material and preparation method thereof | |
| CN105161726A (en) | Sand electroless plating metal polar plate and preparing method thereof | |
| CN110284163B (en) | Copper plating solution for solar cell and preparation method thereof | |
| CN101901690A (en) | Miniature super capacitor and manufacturing method thereof | |
| CN110714216A (en) | Nickel-plated copper strip and preparation method thereof | |
| CN101916663A (en) | Hybrid micro super capacitor and manufacturing method thereof | |
| CN116514179A (en) | Preparation method of precursor for niobium coated nickel-iron-manganese-sodium ion battery | |
| CN103741148A (en) | Metallization process for honeycomb epoxy glass fiber reinforced plastic antenna | |
| CN114606501A (en) | Oxygen-defect bismuth vanadate/iron phosphide composite photoelectrode and preparation method and application thereof | |
| CN111962108A (en) | Copper electroplating solution | |
| TWI490376B (en) | High speed copper plating process | |
| CN106011958B (en) | A kind of cupromanganese plating solution and its application for being used to prepare copper galaxite coating | |
| CN111304959A (en) | Preparation method of pulp-coated paper for leak-proof mercury-free battery | |
| CN108998827A (en) | A kind of the electrochemical heat corrosion preparation method and its micropore copper foil of micropore battery copper foil | |
| CN103866355A (en) | Cyanide-free silver-electroplating solution and electroplating method thereof | |
| CN112144048B (en) | Chemical tin plating solution for heterojunction solar battery and preparation method thereof | |
| CN109487253A (en) | The preparation method of steel surface zirconium chemical conversion film liquid | |
| CN109807346A (en) | A kind of glass flour complexes and preparation method thereof of silver tellurium cladding |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |