CN109872884A - A kind of preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate - Google Patents
A kind of preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate Download PDFInfo
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- CN109872884A CN109872884A CN201910158730.7A CN201910158730A CN109872884A CN 109872884 A CN109872884 A CN 109872884A CN 201910158730 A CN201910158730 A CN 201910158730A CN 109872884 A CN109872884 A CN 109872884A
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- extraction rate
- liquid mixing
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- aluminium electrolutic
- electrolutic capacitor
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Abstract
The invention discloses a kind of preparation processes of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate, the present invention is only compared compared with solid-liquid mixing aluminium electrolutic capacitor processing procedure, is reduced chemical synthesis technology, is simplified process flow, and be made product E SR it is lower, capacity extraction rate is higher.The present invention optimizes existing preparation process, sub-prime after nail volume is welded on stainless steel iron bar, without chemical conversion, directly it is impregnated with pretreating reagent, it is impregnated with dispersion liquid after drying, then is impregnated with electrolyte through dry, impregnation electrolyte applies DC voltage simultaneously, aging forms capacitor after group is vertical, and simple process, preparation cost are low.
Description
Technical field
The present invention relates to aluminium electrolutic capacitor field, specifically a kind of higher solid-liquid mixing aluminium electroloysis electricity of capacity extraction rate
The preparation process of container.
Background technique
Capacitor is a kind of device for accommodating charge, is one of the electronic component largely used in electronic equipment, answers extensively
It for the separated by direct communication in circuit, couples, bypasses, filtering, resonant tank, energy conversion, control etc..With electronic information
Technology is maked rapid progress, and the update speed of digital electronic goods is getting faster, with flat panel TV, laptop, number
Consumer electronics product volume of production and marketing sustainable growth based on the products such as camera has driven capacitor industry to increase.
Solid-liquid mixing aluminium electrolutic capacitor is exactly a kind of common capacitor, traditional solid-liquid mixing aluminium electrolutic capacitor
Production method includes cutting, and nail volume is melted into, dry, is impregnated with pretreating reagent, dry, is impregnated with dispersion liquid, dry, is impregnated with electrolyte,
Group is vertical, the multinomial step such as aging.Wherein, nail volume, will be by chemical synthesis technology, i.e., directly by the solid-state after the completion of welding after welding
Capacitance core packet is directly immersed in forming liquid the chemical conversion that is powered, and for general forming liquid temperature at 60 DEG C or so, chemical conversion time 45min is left
It is right.
The solid-liquid mixing aluminium electrolutic capacitor of this method preparation has outstanding high frequency low-resistance characteristic, in all kinds of fields
Application it is more and more wider, but under its superior impedance characteristic and life characteristics, compare conventional liquid electrolytic capacitor, equally
There is apparent disadvantage.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation works of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate
Skill, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate, the specific steps are as follows:
Positive paillon, negative paillon and barrier paper are cut into required width by step 1；
Step 2, by positive guide pin and negative guide pin difference nail joint on positive paillon and negative paillon, by after nail joint paillon with every
Sub-prime is coiled into from paper roll；
Sub-prime is welded on stainless steel iron bar by step 3, and carries out playing short circuit processing；
Step 4 by the element soaking pretreating reagent of step 3 and is dried, the sub-prime after being dried；
Step 5 by the element soaking dispersion liquid after drying and is dried, and pretreating reagent is dimethyl silicone polymer solution, high
Molecular dispersions are poly- 3,4 ethylenedioxythiophene solution, and electrolyte includes solvent and solute, and solvent is ethylene glycol, diethyl two
One of alcohol, triethylene glycol, mono- butyrolactone of γ, sulfolane, dimethyl sulfoxide, dimethylformamide and dimethyl acetamide are several
Kind；
Step 6 by the element soaking electrolyte of step 5 and applies DC voltage；
The sub-prime of step 6 is assembled rubber plug and aluminum hull carries out group and stands, obtains semi-finished product by step 7；
Semi-finished product aging, charging are obtained finished product by step 8.
As a further solution of the present invention: using nailing machine by guide pin nail joint in step 2.
As a further solution of the present invention: welding manner uses spot welding in step 3, DC voltage when playing short circuit processing
It is 2-3 times of paillon pressure voltage.
As a further solution of the present invention: the time that pretreating reagent is impregnated in step 4 is 5-10min, and drying time is
45min-120min, drying temperature are 50 DEG C -140 DEG C.
As a further solution of the present invention: in step 5 drying time be 60-120min, drying temperature be 120 DEG C-
200℃。
As a further solution of the present invention: the time that electrolyte is impregnated in step 6 is 10-30min, DC voltage
Numerical value is the rated operational voltage numerical value for preparing product.
As a further solution of the present invention: the time that dispersion liquid is impregnated in step 5 is 10min-20min, is impregnated with number
It is 1-5 times.
Compared with prior art, the beneficial effects of the present invention are: the present invention optimizes existing preparation process, nail is rolled up
Sub-prime afterwards is welded on stainless steel iron bar, without chemical conversion, directly impregnation pretreating reagent, is impregnated with dispersion liquid after dry, then pass through
Dry impregnation electrolyte, impregnation electrolyte apply DC voltage simultaneously, and aging forms capacitor, simple process, system after group is vertical
It is standby at low cost.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate, the specific steps are as follows:
Positive paillon, negative paillon and barrier paper are cut into required width by step 1, using nailing machine by positive and negative guide pin
The paillon after nail joint is coiled into sub-prime with release paper on positive paillon, negative paillon by nail joint respectively；
Sub-prime point is welded on stainless steel and iron item by step 2, and plays short circuit processing；
Step 3 will have been beaten the sub-prime after short circuit after normal temperature and pressure state is impregnated with pretreating reagent 5min, dried with 125 DEG C
60min；
Step 4, the element soaking after drying is in PEDOT/PSS aqueous liquid dispersion, wherein impregnation dispersion liquid gas pressure is
0.1Mpa, impregnation time are 20min；It is dried after impregnation, wherein drying temperature is 135 DEG C, drying time 60min；
Step 5, step 4 are repeated 2 times；
Step 6 is impregnated with electrolyte at normal temperatures and pressures, while applying 25V DC voltage 15min；
Step 7, by after impregnation Product Assembly rubber plug and aluminum hull to carry out group vertical；
Step 8 charges semi-finished product capacitor aging of the group after vertical with being formed.
Select specification for 220 μ F25V, the product having a size of φ 8mm × 12mm, using the preparation process of embodiment 1, to production
Product are tested for the property, and electrical performance data, which is shown in Table 1, CAP, indicates that capacity, DF indicate that angle of loss tangent, ESR indicate equivalent series electricity
Resistance, LC indicate leakage current.
Table 1
Comparative example 1
Select specification for 220 μ F25V, having a size of φ 8mm × 12mm as product, preparation method is existing method, specifically
Steps are as follows:
Positive paillon, negative paillon and barrier paper are cut into required width by step 1, using nailing machine by positive and negative guide pin
The paillon after nail joint is coiled into sub-prime with release paper on positive paillon, negative paillon by nail joint respectively；
Sub-prime point is welded on stainless steel and iron item by step 2, and plays short circuit processing, and the sub-prime for having played short circuit is done at chemical conversion
Reason, it is dry after chemical conversion；
Step 3 is dried by the sub-prime of step 2 after normal temperature and pressure state is impregnated with pretreating reagent 5min with 125 DEG C
60min；
Step 4, the element soaking after drying is in PEDOT/PSS aqueous liquid dispersion, wherein impregnation dispersion liquid gas pressure is
0.1MPa, impregnation time are 20min；It is dried after impregnation, wherein drying temperature is 135 DEG C, drying time 60min；
Step 5, step 4 are repeated 2 times；
Step 6 is impregnated with electrolyte at normal temperatures and pressures；
Step 7, by after impregnation Product Assembly rubber plug and aluminum hull to carry out group vertical；
Step 8, will group it is vertical after semi-finished product capacitor aging charge the product that the product to be formed is comparative example 1.
The product of comparative example 1 is tested for the property, the results are shown in Table 2.
Table 2
As can be seen from Table 1 and Table 2, product of the product of embodiment 1 relative to comparative example 1 not only has higher
Capacity extraction rate also has lower ESR, shows that products of the present invention has high capacity extraction rate and low ESR.
The present invention optimizes existing preparation process, and the sub-prime after nail volume is welded on stainless steel iron bar, without
Chemical conversion, directly impregnation pretreating reagent are impregnated with dispersion liquid, then are impregnated with electrolyte through dry after dry, impregnation electrolyte applies simultaneously
DC voltage, aging forms capacitor after group is vertical, and simple process, preparation cost are low, and finished product not only has solid capacitor utensil
The low ESR and High frequency filter performance having good advantage.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate, which is characterized in that specific steps
It is as follows:
Positive paillon, negative paillon and barrier paper are cut into required width by step 1；
Step 2, by positive guide pin and the difference nail joint of negative guide pin on positive paillon and negative paillon, by the paillon and barrier paper after nail joint
It is wound into sub-prime；
Sub-prime is welded on stainless steel iron bar by step 3, and carries out playing short circuit processing；
Step 4 by the element soaking pretreating reagent of step 3 and is dried, the sub-prime after being dried；
Step 5 by the element soaking dispersion liquid after drying and is dried, and pretreating reagent is dimethyl silicone polymer solution, macromolecule
Dispersion liquid is poly- 3,4 ethylenedioxythiophene solution, and electrolyte includes solvent and solute, and solvent is ethylene glycol, diethylene glycol, three
One or more of glycol, mono- butyrolactone of γ, sulfolane, dimethyl sulfoxide, dimethylformamide and dimethyl acetamide；
Step 6 by the element soaking electrolyte of step 5 and applies DC voltage；
The sub-prime of step 6 is assembled rubber plug and aluminum hull carries out group and stands, obtains semi-finished product by step 7；
Semi-finished product aging, charging are obtained finished product by step 8.
2. the preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate according to claim 1, special
Sign is, uses nailing machine by guide pin nail joint in the step 2.
3. the preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate according to claim 1, special
Sign is that welding manner uses spot welding in the step 3, and DC voltage is 2-3 times of paillon pressure voltage when playing short circuit processing.
4. the preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate according to claim 1, special
Sign is that the time that pretreating reagent is impregnated in the step 4 is 5-10min, drying time 45min-120min, drying temperature
Degree is 50 DEG C -140 DEG C.
5. the preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate according to claim 1, special
Sign is that drying time is 60-120min in the step 5, and drying temperature is 120 DEG C -200 DEG C.
6. the preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate according to claim 1 or 4,
It is characterized in that, the time that electrolyte is impregnated in the step 6 is 10-30min, and the numerical value of DC voltage is the volume for preparing product
Fixed working voltage numerical value.
7. the preparation process of the higher solid-liquid mixing aluminium electrolutic capacitor of capacity extraction rate according to claim 1 or 5,
It is characterized in that, the time that dispersion liquid is impregnated in the step 5 is 10min-20min, and impregnation number is 1-5 times.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030008531A1 (en) * | 2001-07-05 | 2003-01-09 | Shoei Co., Ltd. | Method of manufacturing an aluminum solid electrolyte capacitor |
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2019
- 2019-03-04 CN CN201910158730.7A patent/CN109872884A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030008531A1 (en) * | 2001-07-05 | 2003-01-09 | Shoei Co., Ltd. | Method of manufacturing an aluminum solid electrolyte capacitor |
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Application publication date: 20190611 |