CN102117704A - Stack type solid electrolytic capacitor and manufacturing method thereof - Google Patents
Stack type solid electrolytic capacitor and manufacturing method thereof Download PDFInfo
- Publication number
- CN102117704A CN102117704A CN2010100001542A CN201010000154A CN102117704A CN 102117704 A CN102117704 A CN 102117704A CN 2010100001542 A CN2010100001542 A CN 2010100001542A CN 201010000154 A CN201010000154 A CN 201010000154A CN 102117704 A CN102117704 A CN 102117704A
- Authority
- CN
- China
- Prior art keywords
- wire frame
- positive wire
- solid electrolytic
- type solid
- negative pole
- 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.)
- Granted
Links
Images
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention relates to a stack type solid electrolytic capacitor and a manufacturing method thereof; the stack type solid electrolytic capacitor comprises two capacitor sets, an anode conducting device, a cathode conducting device and an encapsulating unit; each capacitor set comprises at least one capacitor cell; the front end of the anode of each capacitor cell is extended to form an anode pin; the anode conducting device is provided with at least one first anode lead frame and at least one second anode lead frame which are respectively and mutually welded with the anode pins of the two capacitor cells; the first anode lead frame and the second anode lead frame are electrically connected with each other; the cathode conducting device is provided with at least one cathode lead frame and a cathode electrically connected with the two capacitor cells with conducting rubber material. Due to the stack type solid electrolytic capacitor and the manufacturing method thereof, the energy needed by welding the anode pin with the anode lead frame can be reduced, so that the alumina dielectric layer is prevented from being damaged and the current leakage can be effectively avoided.
Description
Technical field
The present invention relates to a kind of stacking-type solid electrolytic capacitor and manufacture method thereof, especially refer to a kind ofly reduce anodal welding energy to avoid producing the stacking-type solid electrolytic capacitor and the manufacture method thereof of leakage current.
Background technology
Capacitor is to be widely used in consumer electrical home appliances, computer main frame panel and periphery thereof, power supply unit, communication product, and the basic module of automobile etc., its significant feature comprises: filtering, bypass, rectification, coupling, decoupling, phase inversion etc. are one of indispensable assemblies in the electronic product.Capacitor has different kinds according to different materials and purposes.
In the prior art, solid electrolytic capacitor has advantages such as small size, high capacitance, frequency characteristic be superior, and the de that can be used in the power circuit of central processing unit is used.As shown in Figure 1, existing stacking-type solid electrolytic capacitor comprises a plurality of capacitor cell 10b, and wherein each capacitor cell 10b comprises anodal 11b, negative pole 12b and insulating barrier 13b, and insulating barrier 13b is electrically insulated anodal 11b and negative pole 12b each other.Particularly, the negative pole 12b of capacitor cell 10b is storehouse each other, and between adjacent capacitor cell 10b conducting resinl material 5b is set, so that be electrically connected to each other between a plurality of capacitor cell 10b.
The anodal 11b forward end of each capacitor cell 10b extends to form anodal pin 14b, and these anodal pin 14b bendings also together are welded in a positive wire frame 20b to reach electric connection.Yet, when the quantity of capacitor cell 10b the more, the anodal pin 14b that is welded in positive wire frame 20b the more, required welding energy is also higher, the aluminum oxide dielectric layer on the anodal 11b of high welding energy destructible capacitor cell 10b surface (figure is slightly), and cause leakage current.In addition, when the quantity of capacitor cell 10b the more, apart from the capacitor cell 10b that positive wire frame 20b is healed far away, the bending amplitude of its anodal pin 14b is bigger, this bending amplitude also can be destroyed the structure of anodal 11b and cause leakage current.Above-mentioned leakage current can reduce the quality of solid electrolytic capacitor, can cause short circuit when serious, and shorten its useful life.
Summary of the invention
Technical problem to be solved by this invention, be to provide a kind of stacking-type solid electrolytic capacitor and manufacture method thereof, be welded in the required energy of positive wire frame in order to reduce anodal pin, make aluminum oxide dielectric layer exempt from destruction, can effectively avoid the generation of leakage current.
In order to solve the problems of the technologies described above, the technical scheme of stacking-type solid electrolytic capacitor provided by the invention is:
A kind of stacking-type solid electrolytic capacitor comprises two capacitance group, an anodal electric installation, a negative pole electric installation and an encapsulation unit;
Each described capacitance group comprises at least one capacitor cell respectively, each capacitor cell has a positive pole, a negative pole and an insulating barrier, described anodal front end extends to form an anodal pin, described insulating barrier surrounds into a circle and coats this anodal part surface, and described negative pole is positioned at this insulating barrier rear and coats this anodal part surface;
Described anodal electric installation has at least one first positive wire frame and at least one second positive wire frame, the described first positive wire frame welds mutually with the anodal pin of a capacitance group wherein, the anodal pin of the described second positive wire frame and another capacitance group welds mutually, electrically connects mutually between the described first positive wire frame and the second positive wire frame;
Described negative pole electric installation has at least one cathode lead frame, and described negative pole electric installation is electrically connected at the negative pole of described two capacitance group with the conducting resinl material;
This two capacitance group of described package unit covers and this positive and negative electrode electric installation of part.
Further be improved to, each described capacitance group has a plurality of capacitor cells, and the mutual storehouse of described capacitor cell electrically connects mutually with the conducting resinl material between the negative pole of per two capacitor cells.
Moreover described negative pole electric installation has a plurality of cathode lead frames, electrically connects mutually with the conducting resinl material between the described cathode lead frame.
Moreover described conducting resinl material is an elargol.
Moreover described welding is carried out in the mode of laser or electric resistance welding.
Moreover, electrically connect mutually with the conducting resinl material between the described first positive wire frame and the second positive wire frame.
Moreover the mode with welding between the described first positive wire frame and the second positive wire frame electrically connects mutually.
The mark of Fig. 1 is illustrated as: 10b capacitor cell, 11b positive pole, 12b negative pole, 13b insulating barrier, the anodal pin of 14b, 20b positive wire frame, 5b conducting resinl material;
The mark of Fig. 2-4 is illustrated as:
1 capacitance group, 10 capacitor cells, 11 positive poles, 111 aluminium foils, 112 aluminum oxide dielectric layer, 12 negative poles, 121 electroconductive polymer layers, 122 carbon paste layers, 123 conductive adhesive layers, 13 insulating barriers, 14 anodal pins, 2 anodal electric installations, 21 first positive wire framves, 22 second positive wire framves, 3 negative pole electric installations, 30 cathode lead frames, 4 encapsulation units, 5 conducting resinl materials.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Embodiment 1:
As Fig. 3-shown in Figure 4, a kind of stacking-type solid electrolytic capacitor, it comprises: two capacitance group, 1, one anodal electric installation 2, a negative pole electric installation 3 and an encapsulation unit 4.
Wherein, each capacitance group 1 comprises at least one capacitor cell 10 respectively, each capacitor cell 10 has a positive pole 11, a negative pole 12 and an insulating barrier 13, this positive pole 11 front ends extension also is bent to form an anodal pin 14, this insulating barrier 13 surrounds into a circle and coats the part surface of this positive pole 11, this negative pole 12 be shaped as the U font, be positioned at these insulating barrier 13 rears and coat the part surface of this positive pole 11, this insulating barrier 13 forms insulation effect between this positive pole 11 and this negative pole 12.This positive pole electric installation 2 has at least one first positive wire frame 21 and at least one second positive wire frame 22, this first positive wire frame 21 welds mutually with the anodal pin 14 of a capacitance group 1 wherein, this second positive wire frame 22 welds mutually with the anodal pin 14 of another capacitance group 1, electrically connects mutually with conducting resinl material 5 or in the mode of welding between this first positive wire frame 21 and this second positive wire frame 22.Aforementioned welding can laser or the mode of electric resistance welding carry out.This negative pole electric installation 3 has at least one cathode lead frame 30, and it is electrically connected at the negative pole 12 of this two capacitance group 1 with conducting resinl material 5, and above-mentioned conducting resinl material 5 can be elargol or any conducting resinl material.This encapsulation unit 4 coats this two capacitance group 1 and part this positive and negative electrode electric installation (2,3).
As shown in Figure 2, in each capacitor cell 10, this positive pole 11 comprises an aluminium foil 111 and an aluminum oxide dielectric layer 112,
In order to solve the problems of the technologies described above, the technical scheme of the manufacture method of stacking-type solid electrolytic capacitor provided by the invention is:
Described manufacture method comprises the steps:
Two capacitance group are provided, each capacitance group comprises at least one capacitor cell respectively, each capacitor cell has a positive pole, a negative pole and an insulating barrier, described anodal front end extends to form an anodal pin, described insulating barrier surrounds into a circle and coats this anodal part surface, and described negative pole is positioned at this insulating barrier rear and coats this anodal part surface;
Described two capacitance group are electrically connected at an anodal electric installation and a negative pole electric installation respectively, described anodal electric installation has at least one first positive wire frame and at least one second positive wire frame, the described first positive wire frame welds mutually with the anodal pin of a capacitance group wherein, the anodal pin of the described second positive wire frame and another capacitance group welds mutually, electrically connect mutually between the described first positive wire frame and the second positive wire frame, described negative pole electric installation has at least one cathode lead frame, is electrically connected at the negative pole of two capacitance group with the conducting resinl material; And
Coat described two capacitance group and part positive and negative electrode electric installation with encapsulation unit encapsulation.
In addition, anodal electric installation of the present invention has a plurality of positive wire framves (at least one first positive wire frame and at least one second positive wire frame), the more single positive wire frame of the thickness of those positive wire frame storehouses is thick, therefore can dwindle the distance between capacitance outside unit and the positive wire frame, and the bending amplitude that will slow down anodal pin, also can reach the effect of avoiding leakage current.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention. In the accompanying drawings:
Fig. 1 is the prior art side-looking structural representation of stack-type solid electrolytic capacitor of the present invention;
Fig. 2 is the generalized section of the single capacitor cell of stacking-type solid electrolytic capacitor of the present invention;
Fig. 3 is the side-looking structural representation (1) of stacking-type solid electrolytic capacitor of the present invention;
Fig. 4 is the side-looking structural representation (2) of stacking-type solid electrolytic capacitor of the present invention;
This aluminum oxide dielectric layer 112 is covered in this aluminium foil 111 surfaces, and this aluminum oxide dielectric layer 112 also forms insulation effect between positive pole 11 and negative pole 12. The negative pole 12 that is positioned at these insulating barrier 13 rears comprises an electroconductive polymer layer 121, a carbon paste layer 122 and a conductive adhesive layer 123 that is the U font from the inside to the outside in regular turn, this electroconductive polymer layer 121 coats the part surface of this aluminum oxide dielectric layer 112, this carbon paste layer 122 is coated on the surface of this electroconductive polymer layer 121, this conductive adhesive layer 123 is coated on the surface of this carbon paste layer 122, and the material of this conductive adhesive layer 123 can be elargol or any conducting resin material.
As shown in Figure 3, this positive pole electric installation 2 has one first positive wire frame 21 and one second positive wire frame 22, this negative pole electric installation 3 has two cathode lead frames 30, have a plurality of capacitor cells 10 in each capacitance group 1,10 yuan of mutual storehouses of this electric capacity list are electrically connected mutually with conducting resin material 5 between the negative pole 12 of per two capacitor cells 10. Wherein anodal pin 14 front ends of a capacitance group 1 together weld and are electrically connected at this first positive wire frame 21, anodal pin 14 front ends of another capacitance group 1 together weld and are electrically connected at this second positive wire frame 22, are electrically connected mutually with conducting resin material 5 between this first positive wire frame 21 and this second positive wire frame 22. Wherein the negative pole 12 of a capacitance group 1 is electrically connected at a wherein cathode lead frame 30 with conducting resin material 5, the negative pole 12 of another capacitance group 1 is electrically connected at another cathode lead frame 30 with conducting resin material 5, is electrically connected mutually with conducting resin material 5 between this two cathode lead frame 30. As shown in Figure 4, the mode that can also weld between this first positive wire frame 21 and this second positive wire frame 22 is electrically connected mutually.
Certainly, stack-type solid electrolytic capacitor of the present invention is not limited to above-described embodiment, and the number of the first positive wire frame 21, the second positive wire frame 22 and cathode lead frame 30 can adjust according to need.
A kind of manufacture method of stack-type solid electrolytic capacitor, its step comprises:
Two capacitance group 1 are provided, each capacitance group 1 comprises respectively at least one capacitor cell 10, each capacitor cell 10 has a positive pole 11, a negative pole 12 and an insulating barrier 13, this positive pole 11 front ends extension also is bent to form an anodal pin 14, this insulating barrier 13 surrounds into a circle and coats the part surface of this positive pole 11, this negative pole 12 be shaped as the U font, be positioned at these insulating barrier 13 rears and coat the part surface of this positive pole 11, this insulating barrier 13 forms insulation effect between this positive pole 11 and this negative pole 12. When having a plurality of capacitor cell 10 in the same capacitance group 1, these capacitor cell 10 mutual storehouses are electrically connected mutually with conducting resin material 5 between the negative pole 12 of per two capacitor cells 10.
This two capacitance group 1 is electrically connected at respectively an anodal electric installation 2 and a negative pole electric installation 3. This positive pole electric installation 2 has at least one first positive wire frame 21 and at least one second positive wire frame 22, this first positive wire frame 21 welds mutually with the anodal pin 14 of a capacitance group 1 wherein, this second positive wire frame 22 welds mutually with the anodal pin 14 of another capacitance group 1, be electrically connected mutually with conducting resin material 5 or in the mode of welding between this first positive wire frame 21 and this second positive wire frame 22, wherein can laser or the mode of electric resistance welding weld. This negative pole electric installation 3 has at least one cathode lead frame 30, it is electrically connected at the negative pole 12 of this two capacitance group 1 with conducting resin material 5, when this negative pole electric installation 3 has a plurality of cathode lead frames 30, be electrically connected mutually with conducting resin material 5 between those cathode lead frames 30. Above-mentioned conducting resin material 5 can be elargol or any conducting resin material.
Coat this two capacitance group 1 and this positive and negative electrode electric installation 2,3 of part with an encapsulation unit 4 encapsulation.
The stack-type solid electrolytic capacitor of the embodiment of the invention and manufacture method thereof, it has following advantages:
1, the present invention is divided into two capacitance group 1 with capacitor cell 10, and this two capacitance group 1 is welded with at least one first positive wire frame 21 and at least one second positive wire frame 22 respectively, between the first positive wire frame 21 and the second positive wire frame 22 again with conducting resin material 5 or the welding mode be electrically connected mutually, thus, the required energy of welding can be shared and reduce to this two capacitance group 1, aluminum oxide dielectric layer 112 can be do not destroyed because welding energy is too high, the excessive or problem of short circuit of leakage current can be effectively avoided.
2, anodal electric installation 2 of the present invention has a plurality of positive wire framves (at least one first positive wire frame 21 and at least one second positive wire frame 22), the more single positive wire frame of the thickness of these positive wire frame storehouses is thick, therefore can dwindle the distance between capacitance outside unit 10 and the positive wire frame, the bending amplitude of these anodal pins 14 will be slowed down, and also the effect of avoiding leakage current can be reached.
Claims (14)
1. stacking-type solid electrolytic capacitor, it is characterized in that: described stacking-type solid electrolytic capacitor comprises two capacitance group, an anodal electric installation, a negative pole electric installation and an encapsulation unit;
Each described capacitance group comprises at least one capacitor cell respectively, each capacitor cell has a positive pole, a negative pole and an insulating barrier, described anodal front end extends to form an anodal pin, described insulating barrier surrounds into a circle and coats this anodal part surface, and described negative pole is positioned at this insulating barrier rear and coats this anodal part surface;
Described anodal electric installation has at least one first positive wire frame and at least one second positive wire frame, the described first positive wire frame welds mutually with the anodal pin of a capacitance group wherein, the anodal pin of the described second positive wire frame and another capacitance group welds mutually, electrically connects mutually between the described first positive wire frame and the second positive wire frame;
Described negative pole electric installation has at least one cathode lead frame, and described negative pole electric installation is electrically connected at the negative pole of described two capacitance group with the conducting resinl material;
This two capacitance group of described package unit covers and this positive and negative electrode electric installation of part.
2. stacking-type solid electrolytic capacitor according to claim 1 is characterized in that: each described capacitance group has a plurality of capacitor cells, and the mutual storehouse of described capacitor cell electrically connects mutually with the conducting resinl material between the negative pole of per two capacitor cells.
3. stacking-type solid electrolytic capacitor according to claim 2 is characterized in that: described negative pole electric installation has a plurality of cathode lead frames, electrically connects mutually with the conducting resinl material between the described cathode lead frame.
4. stacking-type solid electrolytic capacitor according to claim 3 is characterized in that: described conducting resinl material is an elargol.
5. stacking-type solid electrolytic capacitor according to claim 1 is characterized in that: described welding is carried out in the mode of laser or electric resistance welding.
6. stacking-type solid electrolytic capacitor according to claim 1 is characterized in that: electrically connect mutually with the conducting resinl material between the described first positive wire frame and the second positive wire frame.
7. stacking-type solid electrolytic capacitor according to claim 1 is characterized in that: the mode with welding between the described first positive wire frame and the second positive wire frame electrically connects mutually.
8. the manufacture method of a stacking-type solid electrolytic capacitor is characterized in that:
Described manufacture method comprises the steps:
Two capacitance group are provided, each capacitance group comprises at least one capacitor cell respectively, each capacitor cell has a positive pole, a negative pole and an insulating barrier, described anodal front end extends to form an anodal pin, described insulating barrier surrounds into a circle and coats this anodal part surface, and described negative pole is positioned at this insulating barrier rear and coats this anodal part surface;
Described two capacitance group are electrically connected at an anodal electric installation and a negative pole electric installation respectively, described anodal electric installation has at least one first positive wire frame and at least one second positive wire frame, the described first positive wire frame welds mutually with the anodal pin of a capacitance group wherein, the anodal pin of the described second positive wire frame and another capacitance group welds mutually, electrically connect mutually between the described first positive wire frame and the second positive wire frame, described negative pole electric installation has at least one cathode lead frame, is electrically connected at the negative pole of two capacitance group with the conducting resinl material; And
Coat described two capacitance group and part positive and negative electrode electric installation with encapsulation unit encapsulation.
9. the manufacture method of stacking-type solid electrolytic capacitor according to claim 8, it is characterized in that: each described capacitance group has a plurality of capacitor cells, the mutual storehouse of described capacitor cell electrically connects mutually with the conducting resinl material between the negative pole of per two capacitor cells.
10. the manufacture method of stacking-type solid electrolytic capacitor according to claim 9 is characterized in that: described negative pole electric installation has a plurality of cathode lead frames, electrically connects mutually with the conducting resinl material between the described cathode lead frame.
11. the manufacture method of stacking-type solid electrolytic capacitor according to claim 10 is characterized in that: described conducting resinl material is an elargol.
12. the manufacture method of stacking-type solid electrolytic capacitor according to claim 8 is characterized in that: described welding is carried out in the mode of laser or electric resistance welding.
13. the manufacture method of stacking-type solid electrolytic capacitor according to claim 8 is characterized in that: electrically connect mutually with the conducting resinl material between the described first positive wire frame and the second positive wire frame.
14. the manufacture method of stacking-type solid electrolytic capacitor according to claim 8 is characterized in that: the mode with welding between the described first positive wire frame and the second positive wire frame electrically connects mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000154.2A CN102117704B (en) | 2010-01-06 | 2010-01-06 | Stack type solid electrolytic capacitor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000154.2A CN102117704B (en) | 2010-01-06 | 2010-01-06 | Stack type solid electrolytic capacitor and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102117704A true CN102117704A (en) | 2011-07-06 |
| CN102117704B CN102117704B (en) | 2014-04-23 |
Family
ID=44216413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010000154.2A Expired - Fee Related CN102117704B (en) | 2010-01-06 | 2010-01-06 | Stack type solid electrolytic capacitor and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102117704B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI456613B (en) * | 2012-11-05 | 2014-10-11 | Apaq Technology Co Ltd | Improved process for the production of solid-state electrolytic capacitor |
| CN107403695A (en) * | 2016-05-20 | 2017-11-28 | 钰邦科技股份有限公司 | Stack type solid electrolytic capacitor capable of improving welding effect and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1741213A (en) * | 2000-05-26 | 2006-03-01 | 松下电器产业株式会社 | Solid Electrolytic Capacitor |
| CN101317241A (en) * | 2005-12-15 | 2008-12-03 | 昭和电工株式会社 | Capacitor chip and method for manufacturing same |
-
2010
- 2010-01-06 CN CN201010000154.2A patent/CN102117704B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1741213A (en) * | 2000-05-26 | 2006-03-01 | 松下电器产业株式会社 | Solid Electrolytic Capacitor |
| CN101317241A (en) * | 2005-12-15 | 2008-12-03 | 昭和电工株式会社 | Capacitor chip and method for manufacturing same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI456613B (en) * | 2012-11-05 | 2014-10-11 | Apaq Technology Co Ltd | Improved process for the production of solid-state electrolytic capacitor |
| CN107403695A (en) * | 2016-05-20 | 2017-11-28 | 钰邦科技股份有限公司 | Stack type solid electrolytic capacitor capable of improving welding effect and manufacturing method thereof |
| CN107403695B (en) * | 2016-05-20 | 2019-12-10 | 钰邦科技股份有限公司 | Stacked solid electrolytic capacitor capable of improving welding effect and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102117704B (en) | 2014-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8004821B2 (en) | Metal capacitor and manufacturing method thereof | |
| CN101983409A (en) | Capacitor with sacrificial lead wire configuration and improved manufacturing method thereof | |
| US8164883B2 (en) | Stacked solid electrolytic capacitor and a method for manufacturing the same | |
| CN204706463U (en) | High voltage thin film capacitor | |
| CN101329950A (en) | Multilayer superimposition solid electrolytic capacitor | |
| CN110853920A (en) | Solid tantalum capacitor and manufacturing process thereof | |
| CN102117704B (en) | Stack type solid electrolytic capacitor and manufacturing method thereof | |
| CN102117703B (en) | Stack type solid electrolytic capacitor and manufacturing method thereof | |
| JP5562494B2 (en) | Vertical electrical connections for photoelectrochemical cells | |
| CN211125803U (en) | Power storage device and power storage device group structure | |
| CN102074383B (en) | Stack solid electrolytic capacitor with multi-end pins | |
| CN201877144U (en) | Insulating wrapped laminated bus structure | |
| KR20190030973A (en) | Energy storage device | |
| US20130258555A1 (en) | Capacitor unit and stacked solid electrolytic capacitor having the same | |
| CN102509647A (en) | Capacitor unit | |
| CN101329946B (en) | LAM type chip-shaped solid electrolytic capacitor | |
| US8422198B2 (en) | Electric double layer capacitor package and method of manufacturing the same | |
| CN102074382B (en) | Solid-state electrolytic capacitor with multiple lead-out pins | |
| CN101335131A (en) | Manufacturing method for improved chip type electrolytic capacitor | |
| CN112908701A (en) | Laminated bonding type bus terminal board of aluminum electrolytic capacitor module | |
| TW201216304A (en) | Stacked solid electrolytic capacitor with multi-welding structure and a manufacturing method thereof | |
| CN101996774B (en) | There is stack-type solid electrolytic capacitor and the manufacture method thereof of multi-spot welding structure | |
| TWI723680B (en) | Power storage device and power storage device group structure | |
| CN204706466U (en) | Large Copacity chip solid electrolyte matter tantalum capacitor | |
| CN114899555B (en) | Battery core, preparation method thereof and battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140423 Termination date: 20220106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |