CN112030197A - Electroplating process for new energy automobile battery integrated insert - Google Patents
Electroplating process for new energy automobile battery integrated insert Download PDFInfo
- Publication number
- CN112030197A CN112030197A CN202011230478.5A CN202011230478A CN112030197A CN 112030197 A CN112030197 A CN 112030197A CN 202011230478 A CN202011230478 A CN 202011230478A CN 112030197 A CN112030197 A CN 112030197A
- Authority
- CN
- China
- Prior art keywords
- insert
- electroplating
- solution
- new energy
- energy automobile
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention relates to a new energy automobile battery integrated piece insert electroplating process, and belongs to the technical field of automobile parts. The insert of the invention is pretreated specifically and then adopts electroplating conditions: the electroplating solution comprises 260-300g/L nickel sulfate, 34-45g/L nickel chloride, 40-50g/L boric acid, 8-10ml/L cylinder opening agent, 0.1-0.2ml/L brightener and the balance of deionized water, the pH value of the electroplating solution is adjusted to 4-5, the temperature is 50-60 ℃, the insert is used as a cathode, and the current density is controlled to be 15-30A/dm2The reaction time is 10-40min, the insert is electroplated, and finally the coating is activated and cleaned by hot water to obtain the insert product with excellent corrosion resistance, and white rust is not generated for 72 hours in a neutral salt spray test of 50g/LNaCl at 35 DEG CThe peel area of the edges of the hundred grid test cuts was less than 5%, at least up to ASTM grade 5B.
Description
Technical Field
The invention relates to a new energy automobile battery integrated piece insert electroplating process, and belongs to the technical field of automobile parts.
Background
The insert is added into the mould before the product is formed so that the insert and the injection molding piece are integrated in the injection molding process. The insert plays an important role as a connecting piece for connecting the core components, and once a problem occurs, the service life of the product is greatly shortened, even the product cannot be used. The new energy battery integrated piece also puts higher requirements on the insert with the connecting function in the integrated piece because of the severe working environment, especially the corrosion resistance.
Electroplating utilizes the principle of electrolysis to plate a thin layer of other metals or alloys on the surface of some metals, so that a layer of metal film is attached to the surface of the metal or other material product, thereby playing the roles of preventing metal oxidation (such as rust), improving wear resistance, corrosion resistance, surface quality and the like. The existing new energy automobile battery integrated piece insert electroplating process (see the attached drawing 2 of the specification for details) has high requirements on equipment, relatively complex process and relatively high cost, the electroplating cleaning process is cleaned by normal-temperature water, the cleaning effect and the electroplating effect are relatively poor, white rust points with different degrees appear after 24 hours of a normal-temperature salt spray test, the peeling area of the edges of the hundred-grid test cuts exceeds 15%, and the high-standard high requirements of the new energy automobile battery integrated piece on the insert cannot be met. Therefore, the improvement of the electroplating process of the existing new energy battery integrated insert is urgently needed.
Disclosure of Invention
The invention aims to provide a high-quality insert electroplating process with high adhesion level and excellent corrosion resistance aiming at the problems in the prior art.
The above object of the present invention can be achieved by the following technical solutions: a new energy automobile battery integrated insert electroplating process comprises the following steps:
s1, preprocessing, and removing grease on the surface of the insert;
s2, electroplating, namely electroplating the pretreated insert in electroplating solution, wherein the electroplating solution comprises 260-300g/L nickel sulfate, 34-45g/L nickel chloride, 40-50g/L boric acid, 8-10ml/L cylinder opening agent, 0.1-0.2ml/L brightening agent and the balance deionized water, the pH of the electroplating solution is adjusted to 4-5, the temperature is adjusted to 50-60 ℃, the insert is used as a cathode, and the current density is controlled to be 15-30A/dm2The reaction time is 10-40 min;
and S3, post-processing, namely activating, cleaning and drying the electroplated insert to obtain the insert with the plating layer.
Preferably, the pretreatment of step S1 further comprises acid washing, wherein the solution for acid washing comprises inorganic acid, corrosion inhibitor and deionized water, and the concentration of the solution is 6-10%.
More preferably, the inorganic acid is at least one of hydrochloric acid, sulfuric acid and nitric acid
Preferably, the electroplating solution in step S2 further comprises 0.15-0.25ml/L of wetting agent.
Preferably, the brightener in step S2 is composed of a main brightener and an auxiliary brightener in a volume ratio of (1-2): 1.
preferably, the plating solution preparation process in step S2 is: adding 2/3 volume of pure water into a standby tank, then respectively adding nickel sulfate and nickel chloride, heating and stirring until the nickel sulfate and the nickel chloride are completely dissolved; dissolving boric acid separately, adding into a standby tank, and stirring completely; adding hydrogen peroxide into the standby tank, and continuously stirring and heating to 55-65 ℃; under the condition of stirring, using 10% nickel carbonate or sodium hydroxide solution to regulate pH value to 4.5-5.5; adding 1g/L powdered activated carbon, stirring for 1 hour, and standing for 8 hours or overnight; filtering the solution into an electroplating bath, adding a cylinder opening agent, a brightening agent and a wetting agent, and then adding pure water to be close to the final volume; the solution pH was adjusted to 4-5 with 10% sulfuric acid and the solution was heated to 50-60 ℃.
Further preferably, the addition amount of the hydrogen peroxide is 1 to 1.5 ml/L.
Preferably, the activation in step S3 is to wash the plating layer with at least one of hydrochloric acid, sulfuric acid, and nitric acid having a concentration of 6 to 10%.
Preferably, the cleaning in step S3 includes normal temperature cleaning and hot water cleaning, and the temperature of the hot water cleaning is 55-65 ℃.
Compared with the prior art, the invention has the beneficial effects that:
(1) the insert is subjected to specific pretreatment, then electroplating is carried out by electroplating solution with reasonable compatibility and strict control of electroplating parameters, finally the plating layer is activated and cleaned by hot water, finally the insert product is obtained, the appearance is smooth and uniform, the adhesion of the plating layer is strong, the corrosion resistance is excellent, white rust points are not generated after the insert product is subjected to a 35 ℃ and 50g/LNaCl neutral salt spray test for 72 hours, the peeling area of the edge of a cut is less than 5 percent in a check test, and at least the peeling area reaches ASTM grade 5B.
(2) The insert electroplating process is simple, easy to operate and low in cost.
Drawings
FIG. 1 is a flow chart of an insert plating process of the present invention;
fig. 2 is a flow chart of a prior art insert plating process.
Detailed Description
The following are specific examples of the present invention and illustrate the technical solutions of the present invention for further description, but the present invention is not limited to these examples. Unless otherwise specified, all the components used in the examples of the present invention are generally used in the art, and all the methods used in the examples are conventional in the art.
In the following examples, the jar opener used in the present invention is Aoli' produced jar opener 200Mu (20 ℃ relative density 1.12-1.15, pH 6-8), the main light-emitting agent is BNB-95B produced by Jinan Yifan chemical industry, the auxiliary light-emitting agent is BNB-95A produced by Jinan Yifan chemical industry, the wetting agent is W-1 produced by Digao (TEGO), and the corrosion inhibitor is LAN826 produced by Shanghai Fuxin chemical industry.
Example 1
The electroplating process for the new energy automobile battery integrated insert comprises the following steps:
s1, preprocessing, namely hanging, deoiling, cleaning, pickling, cleaning again and neutralizing the insert in sequence until the grease on the surface of the insert is removed; wherein the pickling solution is a 6% solution consisting of hydrochloric acid, corrosion inhibitor LAN826 and deionized water;
s2, electroplating, namely electroplating the pretreated insert in electroplating solution, wherein the electroplating solution comprises 260g/L of nickel sulfate, 34g/L of nickel chloride, 40g/L of boric acid, 8ml/L of a cylinder opening agent 200Mu, 0.05ml/L of a main light agent BNB-95B, 0.05ml/L of an auxiliary light agent BNB-95A, 0.15ml/L of a wetting agent W-1 and the balance of deionized water; adjusting the pH value of the plating solution to 4, controlling the temperature to 50 ℃, taking the insert as a cathode, and controlling the introduced current density to be 15A/dm2The reaction time is 10 min;
wherein the preparation process of the electroplating solution is as follows: adding 2/3 volume of pure water into a standby tank, then respectively adding nickel sulfate and nickel chloride, heating and stirring until the nickel sulfate and the nickel chloride are completely dissolved; dissolving boric acid separately, adding into a standby tank, and stirring completely; adding 1ml/L hydrogen peroxide into the standby tank, and continuously stirring and heating to 55 ℃; adjusting the pH value to 4.5 by using 10 percent nickel carbonate or sodium hydroxide solution under the stirring condition; adding 1g/L of powdered activated carbon, stirring for 1 hour, and standing for 8 hours; filtering the solution into an electroplating bath, adding a cylinder opening agent, a brightening agent and a wetting agent, and then adding pure water to be close to the final volume; adjusting the pH of the solution to 4 with 10% sulfuric acid, and heating the solution to 50 ℃;
and S3, post-treatment, namely activating the electroplated insert by using hydrochloric acid with the concentration of 6%, then cleaning at normal temperature, and then cleaning and drying by using hot water with the temperature of 55 ℃ to obtain the insert with the plating layer.
Example 2
The electroplating process for the new energy automobile battery integrated insert comprises the following steps:
s1, preprocessing, namely hanging, deoiling, cleaning, pickling, cleaning again and neutralizing the insert in sequence until the grease on the surface of the insert is removed; wherein the pickling solution is a 7% solution consisting of hydrochloric acid, corrosion inhibitor LAN826 and deionized water;
s2, electroplating, namely electroplating the pretreated insert in electroplating solution, wherein the electroplating solution comprises 270g/L nickel sulfate, 38g/L nickel chloride, 42g/L boric acid, 8.5ml/L cylinder opener 200Mu, 0.08ml/L main photocatalyst BNB-95B, 0.04ml/L auxiliary photocatalyst BNB-95A, 0.17ml/L wetting agent W-1 and the balance of deionized water; adjusting the pH value of the plating solution to 4.3, the temperature to 52 ℃, taking the insert as a cathode, and controlling the current density of the insert to be 18A/dm2The reaction time is 15 min;
wherein the preparation process of the electroplating solution is as follows: adding 2/3 volume of pure water into a standby tank, then respectively adding nickel sulfate and nickel chloride, heating and stirring until the nickel sulfate and the nickel chloride are completely dissolved; dissolving boric acid separately, adding into a standby tank, and stirring completely; adding 1.1ml/L hydrogen peroxide into the standby tank, and continuously stirring and heating to 56 ℃; adjusting the pH value to 4.7 by using 10 percent nickel carbonate or sodium hydroxide solution under the stirring condition; adding 1g/L powdered activated carbon, stirring for 1 hour, and standing overnight; filtering the solution into an electroplating bath, adding a cylinder opening agent, a brightening agent and a wetting agent, and then adding pure water to be close to the final volume; adjusting the pH of the solution to 4.3 with 10% sulfuric acid, and heating the solution to 52 ℃;
and S3, post-treatment, namely activating the electroplated insert by using hydrochloric acid with the concentration of 7%, then cleaning at normal temperature, and then cleaning and drying by using hot water with the temperature of 58 ℃ to obtain the insert with the plating layer.
Example 3
The electroplating process for the new energy automobile battery integrated insert comprises the following steps:
s1, preprocessing, namely hanging, deoiling, cleaning, pickling, cleaning again and neutralizing the insert in sequence until the grease on the surface of the insert is removed; wherein the pickling solution is 8% solution composed of hydrochloric acid, corrosion inhibitor LAN826 and deionized water;
s2, electroplating, namely electroplating the pretreated insert in electroplating solution, wherein the adopted electroplating solution comprises 280g/L sulfuric acidNickel, 40g/L of nickel chloride, 45g/L of boric acid, 9ml/L of a cylinder opening agent 200Mu, 0.09ml/L of a main light agent BNB-95B, 0.06ml/L of an auxiliary light agent BNB-95A, 0.2ml/L of a wetting agent W-1 and the balance of deionized water; adjusting the pH value of the plating solution to 4.5 and the temperature to 55 ℃, taking the insert as a cathode, and controlling the introduced current density to be 24A/dm2The reaction time is 25 min;
wherein the preparation process of the electroplating solution is as follows: adding 2/3 volume of pure water into a standby tank, then respectively adding nickel sulfate and nickel chloride, heating and stirring until the nickel sulfate and the nickel chloride are completely dissolved; dissolving boric acid separately, adding into a standby tank, and stirring completely; adding 1.3ml/L hydrogen peroxide into the standby tank, and continuously stirring and heating to 60 ℃; under the condition of stirring, adjusting the pH value to 5 by using 10% nickel carbonate or sodium hydroxide solution; adding 1g/L of powdered activated carbon, stirring for 1 hour, and standing for 8 hours; filtering the solution into an electroplating bath, adding a cylinder opening agent, a brightening agent and a wetting agent, and then adding pure water to be close to the final volume; adjusting the pH of the solution to 4.5 with 10% sulfuric acid, and heating the solution to 55 ℃;
and S3, post-treatment, namely activating the electroplated insert by using hydrochloric acid with the concentration of 8%, then cleaning at normal temperature, and then cleaning and drying by using hot water at 60 ℃ to obtain the insert with the plating layer.
Example 4
The electroplating process for the new energy automobile battery integrated insert comprises the following steps:
s1, preprocessing, namely hanging, deoiling, cleaning, pickling, cleaning again and neutralizing the insert in sequence until the grease on the surface of the insert is removed; wherein the pickling solution is a 9% solution consisting of hydrochloric acid, corrosion inhibitor LAN826 and deionized water;
s2, electroplating, namely electroplating the pretreated insert in electroplating solution, wherein the electroplating solution comprises 290g/L of nickel sulfate, 42g/L of nickel chloride, 47g/L of boric acid, 9.5ml/L of a cylinder opener 200Mu, 0.1ml/L of a main light agent BNB-95B, 0.08ml/L of an auxiliary light agent BNB-95A, 0.23ml/L of a wetting agent W-1 and the balance of deionized water; adjusting the pH value of the plating solution to 4.8 and the temperature to 58 ℃, taking the insert as a cathode, and controlling the introduced current density to be 27A/dm2The reaction time is 35 min;
wherein the preparation process of the electroplating solution is as follows: adding 2/3 volume of pure water into a standby tank, then respectively adding nickel sulfate and nickel chloride, heating and stirring until the nickel sulfate and the nickel chloride are completely dissolved; dissolving boric acid separately, adding into a standby tank, and stirring completely; adding 1.4ml/L hydrogen peroxide into the standby tank, and continuously stirring and heating to 62 ℃; adjusting the pH value to 5.3 by using 10 percent nickel carbonate or sodium hydroxide solution under the stirring condition; adding 1g/L powdered activated carbon, stirring for 1 hour, and standing overnight; filtering the solution into an electroplating bath, adding a cylinder opening agent, a brightening agent and a wetting agent, and then adding pure water to be close to the final volume; adjusting the pH of the solution to 4.8 with 10% sulfuric acid, and heating the solution to 58 ℃;
and S3, post-treatment, namely activating the electroplated insert by using hydrochloric acid with the concentration of 9%, then cleaning at normal temperature, and then cleaning and drying by using hot water at 64 ℃ to obtain the insert with the plating layer.
Example 5
The electroplating process for the new energy automobile battery integrated insert comprises the following steps:
s1, preprocessing, namely hanging, deoiling, cleaning, pickling, cleaning again and neutralizing the insert in sequence until the grease on the surface of the insert is removed; wherein the pickling solution is a solution with the concentration of 10 percent and consists of hydrochloric acid, corrosion inhibitor LAN826 and deionized water;
s2, electroplating, namely electroplating the pretreated insert in electroplating solution, wherein the electroplating solution comprises 300g/L of nickel sulfate, 45g/L of nickel chloride, 50g/L of boric acid, 10ml/L of a cylinder opening agent 200Mu, 0.12ml/L of a main light agent BNB-95B, 0.08ml/L of an auxiliary light agent BNB-95A, 0.25ml/L of a wetting agent W-1 and the balance of deionized water; adjusting the pH value of the plating solution to 5 and the temperature to 60 ℃, taking the insert as a cathode, and controlling the introduced current density to be 30A/dm2The reaction time is 40 min;
wherein the preparation process of the electroplating solution is as follows: adding 2/3 volume of pure water into a standby tank, then respectively adding nickel sulfate and nickel chloride, heating and stirring until the nickel sulfate and the nickel chloride are completely dissolved; dissolving boric acid separately, adding into a standby tank, and stirring completely; adding 1.5ml/L hydrogen peroxide into the standby tank, and continuously stirring and heating to 65 ℃; adjusting the pH value to 5.5 by using 10 percent nickel carbonate or sodium hydroxide solution under the stirring condition; adding 1g/L powdered activated carbon, stirring for 1 hour, and standing overnight; filtering the solution into an electroplating bath, adding a cylinder opening agent, a brightening agent and a wetting agent, and then adding pure water to be close to the final volume; adjusting the pH of the solution to 5 with 10% sulfuric acid, and heating the solution to 60 ℃;
and S3, post-treatment, namely activating the electroplated insert by using hydrochloric acid with the concentration of 10%, then cleaning at normal temperature, and then cleaning and drying by using hot water with the temperature of 65 ℃ to obtain the insert with the plating layer.
Comparative example 1
Electroplating the insert using the electroplating process of fig. 2, comprising the steps of:
s1, pretreating, namely hanging the insert, removing oil, cleaning, pickling and washing;
s2, electroplating, namely plating semi-bright nickel on the pretreated insert, and then plating bright nickel on the pretreated insert;
and S3, post-processing, namely sequentially carrying out secondary recovery, secondary washing, passivation, tertiary washing, dehydration and discoloration prevention, ultrasonic washing, secondary pure washing and drying on the electroplated insert to obtain the insert with the coating.
Comparative example 2
The only difference from example 3 is that the post-treatment cleaning process does not involve a hot water cleaning.
The new energy battery integrated inserts obtained in examples 1 to 5 and comparative examples 1 to 2 were subjected to a neutral salt spray test and a hundred grid test, the test procedures are as follows, and the test results are shown in table 1.
(1) Neutral salt spray test
According to GB/T2423.17-2008, the NaCl concentration is 50g/L, the test temperature is 35 ℃, the test time duration is 12h, 24h, 36h, 48h, 60h and 72h respectively, and whether white rusty spots exist on the surface of the insert at the time points is observed.
(2) Baige test
According to GB/T9286.
The test method specifically comprises the following steps: the width of the knife edge of the hundred-grid knife is adjusted to be about 10mm, every 1mm is an interval, 10 grids are provided in total, 10 linear knife marks with the same interval appear when the straight line is scratched, the straight line is scratched at the vertical position of the linear knife mark to form a 100-grid square of 10 x 10, when the hundred-grid knife is scratched, the base material is cut, the base material cannot be cut on the coating, and otherwise, the test cannot be carried out. hundred grids are scratched, 3M600 adhesive tape with the width of 3/4inch and the length of 1296inch is pasted at the position of the hundred grids, the adhesive tape is tightly pasted by pressing down with fingers, then the adhesive tape is torn up by instant force, and whether the plating layer on the material has the phenomenon of falling off or not is observed visually.
The evaluation method and the grade are as follows: the number of electroplated layers taped off by 3M600 tape was in percent by one hundred:
ISO class: 0 — ASTM rating: the edges of the 5B cuts are completely smooth, and the edges of the grids are not peeled off;
ISO class: 1-ASTM rating: 4B has small pieces peeling off at the intersection of the cuts, and the actual damage in the grid cutting area is less than or equal to 5 percent;
ISO class: 2 — ASTM rating: the edges and/or the intersections of the 3B cuts are peeled off, and the area of the edges and/or the intersections is more than 5-15%;
ISO class: ASTM grade 3 ═ ASTM grade: 2B , partial peeling or whole large peeling is carried out along the edge of the cut, or partial lattices are peeled by the whole lattice, and the peeling area exceeds 15% -35%;
ISO class: 4-ASTM rating: 1B, stripping off large pieces of the edges of the notches and/or partially or completely stripping off some grids, wherein the area of the stripping area is 35-65% larger than that of the grid-cutting area;
ISO class: 5-ASTM rating: 0B pieces of the plating film fell off at the edge and the intersection of the scribe line, and the total area of the fell off was more than 65%.
(3) Surface quality
And observing the surface state of the insert by naked eyes to judge whether the insert is smooth and uniform.
Table 1: results of insert Performance test in examples 1 to 5 and comparative examples 1 to 2
As shown in Table 1, the inserts of examples 1 to 5 have excellent corrosion resistance and good bonding force with the plating layer, and can meet the requirements of GB/T2423.17-2008 corrosion resistance test for 72h and GB/T9286 Baige test ASTM grade above 4B. Comparative example 1, white rust points appear after 24 hours of insert corrosion resistance test by adopting a conventional electroplating process, and the corrosion resistance is poor; the cleaning process of the comparative example 2 does not include hot water cleaning, the corrosion resistance of the obtained insert and the bonding force between the insert and the substrate and the coating are reduced, and the influence on the surface quality is more serious.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof.
Claims (9)
1. The insert electroplating process of the new energy automobile battery integrated piece is characterized by comprising the following steps:
s1, preprocessing, and removing grease on the surface of the insert;
s2, electroplating, namely electroplating the pretreated insert in electroplating solution, wherein the electroplating solution comprises 260-300g/L nickel sulfate, 34-45g/L nickel chloride, 40-50g/L boric acid, 8-10ml/L cylinder opening agent, 0.1-0.2ml/L brightening agent and the balance deionized water, the pH of the electroplating solution is adjusted to 4-5, the temperature is adjusted to 50-60 ℃, the insert is used as a cathode, and the current density is controlled to be 15-30A/dm2The reaction time is 10-40 min;
and S3, post-processing, namely activating, cleaning and drying the electroplated insert to obtain the insert with the plating layer.
2. The new energy automobile battery integrated insert electroplating process as claimed in claim 1, wherein the step S1 pretreatment further comprises acid pickling, the solution for acid pickling comprises inorganic acid, corrosion inhibitor and deionized water, and the concentration of the solution is 6-10%.
3. The insert electroplating process for the new energy automobile battery integrated piece according to claim 2, wherein the inorganic acid is at least one of hydrochloric acid, sulfuric acid and nitric acid.
4. The new energy automobile battery integrated insert electroplating process according to claim 1, wherein the electroplating solution in the step S2 further comprises a wetting agent in an amount of 0.15-0.25 ml/L.
5. The new energy automobile battery integrated insert electroplating process according to claim 1, wherein the brightener in the step S2 is composed of a main brightener and an auxiliary brightener in a volume ratio of (1-2): 1.
6. the new energy automobile battery integrated insert electroplating process according to claim 1, wherein the electroplating solution preparation process in the step S2 is as follows: adding 2/3 volume of pure water into a standby tank, then respectively adding nickel sulfate and nickel chloride, heating and stirring until the nickel sulfate and the nickel chloride are completely dissolved; dissolving boric acid separately, adding into a standby tank, and stirring completely; adding hydrogen peroxide into the standby tank, and continuously stirring and heating to 55-65 ℃; under the condition of stirring, using 10% nickel carbonate or sodium hydroxide solution to regulate pH value to 4.5-5.5; adding 1g/L powdered activated carbon, stirring for 1 hour, and standing for 8 hours or overnight; filtering the solution into an electroplating bath, adding a cylinder opening agent, a brightening agent and a wetting agent, and then adding pure water to be close to the final volume; the solution pH was adjusted to 4-5 with 10% sulfuric acid and the solution was heated to 50-60 ℃.
7. The new energy automobile battery integrated insert electroplating process according to claim 6, wherein the addition amount of hydrogen peroxide is 1-1.5 ml/L.
8. The insert electroplating process for the new energy automobile battery integrated piece according to claim 1, wherein the activation in the step S3 is to clean the plating layer by using at least one of hydrochloric acid, sulfuric acid and nitric acid with a concentration of 6-10%.
9. The insert electroplating process for the new energy automobile battery integrated piece according to claim 1, wherein the cleaning in the step S3 comprises normal temperature cleaning and hot water cleaning, and the temperature of the hot water cleaning is 55-65 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230478.5A CN112030197A (en) | 2020-11-06 | 2020-11-06 | Electroplating process for new energy automobile battery integrated insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011230478.5A CN112030197A (en) | 2020-11-06 | 2020-11-06 | Electroplating process for new energy automobile battery integrated insert |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112030197A true CN112030197A (en) | 2020-12-04 |
Family
ID=73572891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011230478.5A Pending CN112030197A (en) | 2020-11-06 | 2020-11-06 | Electroplating process for new energy automobile battery integrated insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112030197A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820727B1 (en) * | 1970-04-10 | 1973-06-23 | ||
| JPS63230898A (en) * | 1987-03-19 | 1988-09-27 | Nippon Steel Corp | Production of hot dipped steel sheet |
| CN1844479A (en) * | 2006-03-21 | 2006-10-11 | 无锡新大中钢铁有限公司 | Secondary alloying nickel and stannum -plating steel plate and belt and method for preparing same |
| CN1976096A (en) * | 2006-12-15 | 2007-06-06 | 苏州海创电子有限公司 | Producing technology for battery positive and negative electrode connecting components |
| CN101619474A (en) * | 2009-07-21 | 2010-01-06 | 武汉钢铁(集团)公司 | Manufacturing method of zinc-nickel double-layer electroplating steel plate |
| CN101824636A (en) * | 2010-02-10 | 2010-09-08 | 株洲永盛电池材料有限公司 | Surface treated stainless steel band for buckle type lithium-ion battery shell and preparation process thereof |
| CN201616461U (en) * | 2010-02-10 | 2010-10-27 | 湘潭大学 | Cobalt-containing nanowire composite film plated steel band |
| CN104164685A (en) * | 2014-06-11 | 2014-11-26 | 安徽长青电子机械（集团）有限公司 | Method for plating nickel on steel plate |
| CN105239112A (en) * | 2015-11-03 | 2016-01-13 | 江苏梦得电镀化学品有限公司 | Electroplating process for high-performance direct-plating nickel plating solutions |
| CN105603476A (en) * | 2016-01-20 | 2016-05-25 | 锦州韩华电装有限公司 | Armature core surface nickeling process |
| CN105696029A (en) * | 2014-11-28 | 2016-06-22 | 重庆市巴南区仁荣机械厂 | Preparation method of nickel plating solution |
| CN106868556A (en) * | 2017-01-21 | 2017-06-20 | 郑州人造金刚石及制品工程技术研究中心有限公司 | A kind of novel high wear-resistant composite plating piston ring and preparation method thereof |
| CN107858711A (en) * | 2017-11-28 | 2018-03-30 | 歌尔股份有限公司 | Metallic matrix electro-plating method |
-
2020
- 2020-11-06 CN CN202011230478.5A patent/CN112030197A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820727B1 (en) * | 1970-04-10 | 1973-06-23 | ||
| JPS63230898A (en) * | 1987-03-19 | 1988-09-27 | Nippon Steel Corp | Production of hot dipped steel sheet |
| CN1844479A (en) * | 2006-03-21 | 2006-10-11 | 无锡新大中钢铁有限公司 | Secondary alloying nickel and stannum -plating steel plate and belt and method for preparing same |
| CN1976096A (en) * | 2006-12-15 | 2007-06-06 | 苏州海创电子有限公司 | Producing technology for battery positive and negative electrode connecting components |
| CN101619474A (en) * | 2009-07-21 | 2010-01-06 | 武汉钢铁(集团)公司 | Manufacturing method of zinc-nickel double-layer electroplating steel plate |
| CN201616461U (en) * | 2010-02-10 | 2010-10-27 | 湘潭大学 | Cobalt-containing nanowire composite film plated steel band |
| CN101824636A (en) * | 2010-02-10 | 2010-09-08 | 株洲永盛电池材料有限公司 | Surface treated stainless steel band for buckle type lithium-ion battery shell and preparation process thereof |
| CN104164685A (en) * | 2014-06-11 | 2014-11-26 | 安徽长青电子机械（集团）有限公司 | Method for plating nickel on steel plate |
| CN105696029A (en) * | 2014-11-28 | 2016-06-22 | 重庆市巴南区仁荣机械厂 | Preparation method of nickel plating solution |
| CN105239112A (en) * | 2015-11-03 | 2016-01-13 | 江苏梦得电镀化学品有限公司 | Electroplating process for high-performance direct-plating nickel plating solutions |
| CN105603476A (en) * | 2016-01-20 | 2016-05-25 | 锦州韩华电装有限公司 | Armature core surface nickeling process |
| CN106868556A (en) * | 2017-01-21 | 2017-06-20 | 郑州人造金刚石及制品工程技术研究中心有限公司 | A kind of novel high wear-resistant composite plating piston ring and preparation method thereof |
| CN107858711A (en) * | 2017-11-28 | 2018-03-30 | 歌尔股份有限公司 | Metallic matrix electro-plating method |
Non-Patent Citations (1)
| Title |
|---|
| 张允诚等: "《电镀手册》", 31 January 2017, 国防工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101922010B (en) | Aluminum alloy surface treatment method | |
| CN101768768B (en) | Aluminum alloy cyanide-free and nickel-free electroplating method and electroplating products thereof | |
| CN101525711B (en) | Magnesium alloy with zinc and nickel compound plating layers and preparation method thereof | |
| CN101280445B (en) | Electroplating process for surface of magnesium alloy motorcycle hub | |
| US4126483A (en) | Method of adherency of electrodeposits on light weight metals | |
| CN101643926B (en) | Non-cyanide pre-plating copper plating solution | |
| US2872346A (en) | Metal plating bath | |
| US4270957A (en) | Method for cleaning aluminum articles | |
| CN102080242B (en) | Copper-tin-iron ternary alloy plating solution, electroplating method and electroplating product | |
| CN102363884B (en) | Surface treatment process for zinc alloy die casting | |
| CN103484909A (en) | Pretreatment method for iron-based hardware electroplating | |
| CN102260892B (en) | Titanium and titanium alloy pre-plating solution and electroplating method | |
| CN103510130A (en) | Trivalent hard chromium electroplating method | |
| CN104562107A (en) | Highly-corrosion-resistant environment-friendly black tin-cobalt alloy electroplating liquid and electroplating method thereof. | |
| CN101660183B (en) | Magnesium alloy plating method | |
| CN101899664B (en) | Electroplating method | |
| CN104233416A (en) | Method for electroplating zinc-nickel coating on magnesium alloy electroplate surface | |
| JPH052744B2 (en) | ||
| CN107236977A (en) | A kind of electroplating pretreatment process optimization method | |
| CN112030197A (en) | Electroplating process for new energy automobile battery integrated insert | |
| US4159229A (en) | Method of plating light weight metal to enhance lateral corrosion resistance | |
| CN106591905A (en) | Electroplating mode of copper alloy | |
| CN109321952A (en) | A kind of copper-plating technique of handware | |
| CA1153978A (en) | Coating aluminium alloy with cyanide-borate before electroplating with bronze | |
| CN104233296A (en) | Method for silvering aluminum and aluminum alloy |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201204 |