CN113470978A - Manufacturing method of lead type aluminum electrolytic capacitor resistant to large current impact - Google Patents
Manufacturing method of lead type aluminum electrolytic capacitor resistant to large current impact Download PDFInfo
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- CN113470978A CN113470978A CN202110789842.XA CN202110789842A CN113470978A CN 113470978 A CN113470978 A CN 113470978A CN 202110789842 A CN202110789842 A CN 202110789842A CN 113470978 A CN113470978 A CN 113470978A
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- insulating layer
- nail
- electrode nail
- foil
- negative
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 60
- 239000003990 capacitor Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000011888 foil Substances 0.000 claims abstract description 53
- 238000004804 winding Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
- H01G9/151—Solid electrolytic capacitors with wound foil electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G13/00—Apparatus specially adapted for manufacturing capacitors; Processes specially adapted for manufacturing capacitors not provided for in groups H01G4/00 - H01G11/00
- H01G13/02—Machines for winding capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0003—Protection against electric or thermal overload; cooling arrangements; means for avoiding the formation of cathode films
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention relates to the technical field of lead type capacitors, in particular to a manufacturing method of a lead type aluminum electrolytic capacitor with high current impact resistance, which solves the problem that the current impact resistance of the lead type aluminum electrolytic capacitor in the prior art needs to be improved. A method for manufacturing a lead type aluminum electrolytic capacitor resistant to large current impact comprises the following steps: winding a negative electrode foil outside the second electrolytic paper layer, winding a first electrolytic paper layer outside the negative electrode foil, and winding a positive electrode foil outside the first electrolytic paper layer; wherein, the negative foil and the positive foil are both provided with electrode nails. According to the invention, the insulating layers are respectively arranged on the anode electrode nail petal end surface and the cathode electrode nail petal end surface and are respectively the second insulating layer and the first insulating layer, and the second insulating layer is additionally arranged on the anode electrode nail petal end surface, so that the insulating strength between the petal end surface burr and the cathode foil is increased, the impact tolerance capability of instantaneous large current or instantaneous large voltage is improved, and the occurrence probability of point discharge is further reduced.
Description
Technical Field
The invention relates to the technical field of lead type capacitors, in particular to a manufacturing method of a lead type aluminum electrolytic capacitor resistant to large current impact.
Background
The function of the auxiliary gasket material of the current coil nailing machine equipment for producing the lead type aluminum electrolytic capacitor is shown in figure 1, namely, a negative foil gasket is arranged at the aluminum tongue part at the outer side of a negative foil leading-out electrode, an insulating paper gasket is arranged at the flower petal part at the inner side of the negative foil leading-out electrode, and a positive electrode has no gasket.
When the aluminum electrolytic capacitor is applied to an actual complete machine end, the aluminum electrolytic capacitor is often subjected to serious defects and losses due to the fact that the aluminum electrolytic capacitor is short-circuited and fails due to the fact that the aluminum electrolytic capacitor is led out of the electrode nail petal on the positive electrode foil caused by instantaneous large current or instantaneous large voltage. The fundamental reason is that the position of the existing liner material is not at a reasonable position or does not directly protect the defect of real failure, so that the sharp discharge effect is generated between the positive foil leading-out electrode nail petal (which has larger burrs and can cause the petal burrs to tilt due to the electric field effect after being electrified) burrs and the negative foil to cause breakdown;
therefore, a method for manufacturing a lead type aluminum electrolytic capacitor resistant to large current impact is proposed to solve the above problems.
Disclosure of Invention
The invention aims to provide a method for manufacturing a lead type aluminum electrolytic capacitor with high current impact resistance, which solves the problem that the current impact resistance of the lead type aluminum electrolytic capacitor in the prior art needs to be improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for manufacturing a lead type aluminum electrolytic capacitor resistant to large current impact comprises the following steps: winding a negative electrode foil outside the second electrolytic paper layer, winding a first electrolytic paper layer outside the negative electrode foil, and winding a positive electrode foil outside the first electrolytic paper layer;
wherein all be equipped with the electrode nail on negative pole paper tinsel and the positive pole paper tinsel, negative pole electrode nail aluminium tongue terminal surface is towards first electrolytic paper layer, and negative pole electrode nail petal terminal surface is towards second electrolytic paper layer, and positive pole electrode nail petal terminal surface is towards first electrolytic paper layer, it is provided with the insulating layer to wind the book between negative pole electrode nail aluminium tongue terminal surface and the positive pole electrode nail aluminium tongue terminal surface, and the insulating layer setting is between positive pole electrode nail and first electrolytic paper layer, perhaps between first electrolytic paper layer and the negative pole electrode nail, and the inboard alternative insulating layer that sets up of positive pole electrode nail outside or negative pole electrode nail.
Preferably, the insulating layer includes a first insulating layer, a second insulating layer, and a third insulating layer, and the second insulating layer is disposed between the positive electrode pin and the negative electrode pin.
Preferably, the second insulating layer is attached to the petal end face of the positive electrode nail in a winding mode, and the negative foil is provided with a liner negative foil attached to the aluminum tongue end face of the negative electrode nail.
Preferably, the first insulating layer is selectively wound and attached to the end surface of the negative electrode nail petal.
Preferably, the second insulating layer is attached to the aluminum tongue end face of the negative electrode nail in a winding mode, and the lining negative foil is attached to the petal end face of the negative electrode nail.
Preferably, the first insulating layer is provided with two sets, and respectively on the coiling laminating is followed closely on anodal electrode nail aluminium tongue terminal surface to and on the negative pole electrode nail petal terminal surface, the third insulating layer is followed closely on the negative pole electrode nail aluminium tongue terminal surface around rolling up, and the laminating of the second insulating layer that corresponds is followed closely on anodal electrode nail petal terminal surface around rolling up.
The invention has at least the following beneficial effects:
1. all be equipped with the insulating layer on nailing petal terminal surface through anodal electrode and the negative pole electrode and nailing petal terminal surface, and be second insulating layer and first insulating layer respectively, through add on anodal electrode nail petal terminal surface and establish the second insulating layer to increase the dielectric strength between petal terminal surface burr and the negative pole paper tinsel, improve heavy current in the twinkling of an eye or the impact endurance ability of high voltage in the twinkling of an eye, and then reduce point discharge's emergence probability.
2. Through the position with current liner negative foil and the insulating layer interchange position of establishing on negative electrode nail aluminium tongue terminal surface now to make the second insulating layer establish on negative electrode nail aluminium tongue terminal surface, liner negative foil is on negative electrode nail petal terminal surface, makes coiling formula aluminum electrolytic capacitor structure laminate more, increases the dielectric strength between positive electrode nail petal terminal surface and the negative pole paper tinsel, improves resistant instantaneous current or voltage impact ability.
3. The existing liner material is replaced by the insulating tape, namely the first insulating layer, the second insulating layer and the third insulating layer are made of the insulating tape, so that the liners on the single surface and the double surfaces of the positive foil and the negative foil are convenient, the structure is simple and convenient to realize, the porosity of the adhesive tape is smaller and less than that of electrolytic paper, and the insulating degree is stronger.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional auxiliary pad structure of a capacitor;
FIG. 2 is a schematic diagram illustrating a structure of an auxiliary pad of a capacitor according to an embodiment;
FIG. 3 is a schematic diagram illustrating a structure of an auxiliary pad of the capacitor according to the second embodiment;
fig. 4 is a schematic diagram of an auxiliary pad structure of a capacitor according to a third embodiment.
In the figure: 1. the positive electrode is nailed with the end face of the aluminum tongue; 2. the negative electrode is nailed on the end face of the aluminum tongue; 3. the petal end surface of the positive electrode nail; 4. the petal end surface of the negative electrode nail; 5. a backing negative foil; 6. a first insulating layer; 7. a second insulating layer; 8. a third insulating layer; 9. a positive electrode foil; 10. a first electrolyte paper layer; 11. a negative electrode foil; 12. a second electrolyte paper layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1-4, a method for manufacturing a lead type aluminum electrolytic capacitor resistant to large current impact comprises the following steps: winding a negative electrode foil 11 outside the second electrolytic paper layer 12, winding a first electrolytic paper layer 10 outside the negative electrode foil 11, and winding a positive electrode foil 9 outside the first electrolytic paper layer 10;
the cathode foil 11 and the anode foil 9 are both provided with electrode nails, the aluminum tongue end surface 2 of the cathode electrode nail faces the first electrolytic paper layer 10, the petal end surface 4 of the cathode electrode nail faces the second electrolytic paper layer 12, the petal end surface 3 of the anode electrode nail faces the first electrolytic paper layer 10, an insulating layer is wound between the aluminum tongue end surface 2 of the cathode electrode nail and the aluminum tongue end surface 1 of the anode electrode nail, the insulating layer is arranged between the anode electrode nail and the first electrolytic paper layer 10 or between the first electrolytic paper layer 10 and the cathode electrode nail, and the insulating layer can be selectively arranged on the outer side of the anode electrode nail or the inner side of the cathode electrode nail; the insulating layers comprise a first insulating layer 6, a second insulating layer 7 and a third insulating layer 8, and the second insulating layer 7 is arranged between the positive electrode nail and the negative electrode nail; the second insulating layer 7 is attached to the petal end face 3 of the positive electrode nail in a winding way, and the negative foil 11 is provided with a liner negative foil 5 attached to the aluminum tongue end face 2 of the negative electrode nail; the first insulating layer 6 is attached to the petal end face 4 of the negative electrode nail in a winding way;
in this embodiment, all be equipped with the insulating layer on through anodal electrode nail petal terminal surface 3 and negative electrode nail petal terminal surface 4, and be second insulating layer 7 and first insulating layer 6 respectively, through add on anodal electrode nail petal terminal surface 3 and establish second insulating layer 7 to increase the dielectric strength between 3 burrs of anodal electrode nail petal terminal surface and the negative pole paper tinsel 11, improve the impact endurance ability of heavy current in the twinkling of an eye or big voltage in the twinkling of an eye, and then reduce point discharge's emergence probability.
Example two
Referring to fig. 1-4, a method for manufacturing a lead type aluminum electrolytic capacitor resistant to large current impact comprises the following steps: winding a negative electrode foil 11 outside the second electrolytic paper layer 12, winding a first electrolytic paper layer 10 outside the negative electrode foil 11, and winding a positive electrode foil 9 outside the first electrolytic paper layer 10;
the cathode foil 11 and the anode foil 9 are both provided with electrode nails, the aluminum tongue end surface 2 of the cathode electrode nail faces the first electrolytic paper layer 10, the petal end surface 4 of the cathode electrode nail faces the second electrolytic paper layer 12, the petal end surface 3 of the anode electrode nail faces the first electrolytic paper layer 10, an insulating layer is wound between the aluminum tongue end surface 2 of the cathode electrode nail and the aluminum tongue end surface 1 of the anode electrode nail, the insulating layer is arranged between the anode electrode nail and the first electrolytic paper layer 10 or between the first electrolytic paper layer 10 and the cathode electrode nail, and the insulating layer can be selectively arranged on the outer side of the anode electrode nail or the inner side of the cathode electrode nail; the insulating layers comprise a first insulating layer 6, a second insulating layer 7 and a third insulating layer 8, and the second insulating layer 7 is arranged between the positive electrode nail and the negative electrode nail; the second insulating layer 7 is attached to the aluminum tongue end face 2 of the negative electrode nail in a winding mode, and the lining negative foil 5 is attached to the petal end face 4 of the negative electrode nail;
in this embodiment, through the position of will having the liner negative foil 5 now with establish the insulating layer interchange position on negative electrode nail aluminium tongue terminal surface now to make second insulating layer 7 establish on negative electrode nail aluminium tongue terminal surface 2, liner negative foil 5 is on negative electrode nail petal terminal surface 4, makes the coiling formula aluminum electrolytic capacitor structure laminate more, increases the dielectric strength between positive electrode nail petal terminal surface 3 and the negative pole paper tinsel 11, improves resistant instantaneous current or voltage shock ability.
EXAMPLE III
Referring to fig. 1-4, a method for manufacturing a lead type aluminum electrolytic capacitor resistant to large current impact comprises the following steps: winding a negative electrode foil 11 outside the second electrolytic paper layer 12, winding a first electrolytic paper layer 10 outside the negative electrode foil 11, and winding a positive electrode foil 9 outside the first electrolytic paper layer 10;
the cathode foil 11 and the anode foil 9 are both provided with electrode nails, the aluminum tongue end surface 2 of the cathode electrode nail faces the first electrolytic paper layer 10, the petal end surface 4 of the cathode electrode nail faces the second electrolytic paper layer 12, the petal end surface 3 of the anode electrode nail faces the first electrolytic paper layer 10, an insulating layer is wound between the aluminum tongue end surface 2 of the cathode electrode nail and the aluminum tongue end surface 1 of the anode electrode nail, the insulating layer is arranged between the anode electrode nail and the first electrolytic paper layer 10 or between the first electrolytic paper layer 10 and the cathode electrode nail, and the insulating layer can be selectively arranged on the outer side of the anode electrode nail or the inner side of the cathode electrode nail; the insulating layers comprise a first insulating layer 6, a second insulating layer 7 and a third insulating layer 8, and the second insulating layer 7 is arranged between the positive electrode nail and the negative electrode nail; two groups of first insulating layers 6 are arranged and are respectively wound and attached to the aluminum tongue end surface 1 of the positive electrode nail and the petal end surface 4 of the negative electrode nail, a third insulating layer 8 is wound and attached to the aluminum tongue end surface 2 of the negative electrode nail, and a corresponding second insulating layer 7 is wound and attached to the petal end surface 3 of the positive electrode nail;
in this embodiment, be insulating tape through changing current liner material, first insulating layer 6, second insulating layer 7 and third insulating layer 8 are insulating tape material promptly, and the single two-sided liner of positive pole foil 9 and negative pole foil 11 of being convenient for, the structure is realized comparatively simply and conveniently, and the sticky tape porosity is littleer also still less than electrolytic paper, and insulating degree is stronger.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A method for manufacturing a lead type aluminum electrolytic capacitor resistant to large current impact is characterized by comprising the following steps: a negative electrode foil (11) is wound outside the second electrolytic paper layer (12), a first electrolytic paper layer (10) is wound outside the negative electrode foil (11), and a positive electrode foil (9) is wound outside the first electrolytic paper layer (10);
wherein all be equipped with the electrode nail on negative pole paper tinsel (11) and positive electrode paper tinsel (9), negative pole electrode nail aluminium tongue terminal surface (2) are towards first electrolytic paper layer (10), negative pole electrode nail petal terminal surface (4) are towards second electrolytic paper layer (12), and positive electrode nail petal terminal surface (3) are towards first electrolytic paper layer (10), the coiling is provided with the insulating layer between negative pole electrode nail aluminium tongue terminal surface (2) and positive electrode nail aluminium tongue terminal surface (1), and the insulating layer setting is between positive electrode nail and first electrolytic paper layer (10), perhaps between first electrolytic paper layer (10) and the negative electrode nail, and the negative electrode nail outside or negative electrode nail inboard selectivity set up the insulating layer.
2. The method for manufacturing a lead type aluminum electrolytic capacitor with high current impact resistance according to claim 1, wherein the insulating layer comprises a first insulating layer (6), a second insulating layer (7) and a third insulating layer (8), and the second insulating layer (7) is arranged between the positive electrode nail and the negative electrode nail.
3. The method for manufacturing a lead type aluminum electrolytic capacitor with high current impact resistance according to claim 2, wherein the second insulating layer (7) is wound and adhered to the petal end face (3) of the positive electrode nail, and the negative foil (11) is provided with a pad negative foil (5) adhered to the aluminum tongue end face (2) of the negative electrode nail.
4. The method for manufacturing a lead type aluminum electrolytic capacitor with high current impact resistance as claimed in claim 2, wherein the first insulating layer (6) is selectively wound and attached to the end surface (4) of the petal of the negative electrode nail.
5. The method for manufacturing a lead type aluminum electrolytic capacitor with high current impact resistance according to claim 2, wherein the second insulating layer (7) is wound and attached to the aluminum tongue end surface (2) of the negative electrode nail, and the negative foil (5) of the pad is attached to the petal end surface (4) of the negative electrode nail.
6. The method for manufacturing a lead type aluminum electrolytic capacitor with high current impact resistance according to claim 2, wherein the first insulating layers (6) are provided in two groups and are respectively attached to the aluminum tongue end surface (1) of the positive electrode nail in a winding manner and the petal end surface (4) of the negative electrode nail in a winding manner, the third insulating layer (8) is attached to the aluminum tongue end surface (2) of the negative electrode nail in a winding manner, and the corresponding second insulating layer (7) is attached to the petal end surface (3) of the positive electrode nail in a winding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789842.XA CN113470978A (en) | 2021-07-13 | 2021-07-13 | Manufacturing method of lead type aluminum electrolytic capacitor resistant to large current impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110789842.XA CN113470978A (en) | 2021-07-13 | 2021-07-13 | Manufacturing method of lead type aluminum electrolytic capacitor resistant to large current impact |
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| Publication Number | Publication Date |
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| CN113470978A true CN113470978A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110789842.XA Pending CN113470978A (en) | 2021-07-13 | 2021-07-13 | Manufacturing method of lead type aluminum electrolytic capacitor resistant to large current impact |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986861Y (en) * | 2006-12-19 | 2007-12-05 | 东莞市东阳光电容器有限公司 | Aluminium electrolysis capacitor |
| CN201233811Y (en) * | 2008-05-09 | 2009-05-06 | 黄海荣 | Aluminum electrolysis capacitor |
| CN202167359U (en) * | 2011-06-24 | 2012-03-14 | 南通海立电子有限公司 | Novel aluminum electrolysis capacitor |
| CN202473614U (en) * | 2012-02-14 | 2012-10-03 | 东莞冠坤电子有限公司 | Capacitor for effectively improving dielectric strength |
| CN202678117U (en) * | 2012-06-26 | 2013-01-16 | 海门市三鑫电子有限责任公司 | Electrode foil equipped with double liner paper and manufactured by aluminium electrolysis |
-
2021
- 2021-07-13 CN CN202110789842.XA patent/CN113470978A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986861Y (en) * | 2006-12-19 | 2007-12-05 | 东莞市东阳光电容器有限公司 | Aluminium electrolysis capacitor |
| CN201233811Y (en) * | 2008-05-09 | 2009-05-06 | 黄海荣 | Aluminum electrolysis capacitor |
| CN202167359U (en) * | 2011-06-24 | 2012-03-14 | 南通海立电子有限公司 | Novel aluminum electrolysis capacitor |
| CN202473614U (en) * | 2012-02-14 | 2012-10-03 | 东莞冠坤电子有限公司 | Capacitor for effectively improving dielectric strength |
| CN202678117U (en) * | 2012-06-26 | 2013-01-16 | 海门市三鑫电子有限责任公司 | Electrode foil equipped with double liner paper and manufactured by aluminium electrolysis |
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Application publication date: 20211001 |
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