CN113012941A - Aluminum electrolytic capacitor suitable for IP68 and preparation method thereof - Google Patents
Aluminum electrolytic capacitor suitable for IP68 and preparation method thereof Download PDFInfo
- Publication number
- CN113012941A CN113012941A CN202010471319.8A CN202010471319A CN113012941A CN 113012941 A CN113012941 A CN 113012941A CN 202010471319 A CN202010471319 A CN 202010471319A CN 113012941 A CN113012941 A CN 113012941A
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- CN
- China
- Prior art keywords
- electrolytic capacitor
- aluminum electrolytic
- amphiphilic substance
- electrolyte
- acid
- 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.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 65
- 239000003990 capacitor Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 26
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 15
- 125000000129 anionic group Chemical group 0.000 claims abstract description 14
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 8
- -1 alkyl phosphate Chemical compound 0.000 claims abstract description 8
- 239000010452 phosphate Substances 0.000 claims abstract description 8
- 239000012209 synthetic fiber Substances 0.000 claims abstract description 8
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 150000007942 carboxylates Chemical class 0.000 claims abstract description 4
- 239000003792 electrolyte Substances 0.000 claims description 19
- 150000003863 ammonium salts Chemical class 0.000 claims description 12
- CQLCSKMKNLINGZ-UHFFFAOYSA-N 2-hexylhexanedioic acid Chemical compound CCCCCCC(C(O)=O)CCCC(O)=O CQLCSKMKNLINGZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 150000007513 acids Chemical class 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000004450 alkenylene group Chemical group 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000004327 boric acid Substances 0.000 claims description 3
- 150000001244 carboxylic acid anhydrides Chemical group 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 3
- 125000002843 carboxylic acid group Chemical group 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 230000002431 foraging effect Effects 0.000 claims description 3
- 125000001165 hydrophobic group Chemical group 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- JAWZFTORYMQYDT-UHFFFAOYSA-N 6-hexoxy-6-oxohexanoic acid Chemical compound CCCCCCOC(=O)CCCCC(O)=O JAWZFTORYMQYDT-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 150000002763 monocarboxylic acids Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000013329 compounding Methods 0.000 abstract description 2
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- CWDLDLIPBCZHKE-UHFFFAOYSA-N diazanium 2-hexylhexanedioate Chemical compound [NH4+].[NH4+].CCCCCCC(CCCC([O-])=O)C([O-])=O CWDLDLIPBCZHKE-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- H01G9/145—Liquid electrolytic capacitors
-
- 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
- H01G13/006—Apparatus or processes for applying terminals
-
- 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
- H01G9/0029—Processes of manufacture
- H01G9/0032—Processes of manufacture formation of the dielectric layer
-
- 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
- H01G9/008—Terminals
-
- 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
-
- 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
- H01G9/07—Dielectric layers
-
- 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
- H01G9/08—Housing; Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses an aluminum electrolytic capacitor suitable for IP68, which comprises an aluminum electrolytic capacitor body, wherein the aluminum electrolytic capacitor body comprises a non-woven fabric containing an amphiphilic substance, the non-woven fabric is formed by compounding more than 30% by mass of synthetic fibers, the amphiphilic substance contains an anionic amphiphilic substance, and the anionic amphiphilic substance is formed by at least one of carboxylic acid, carboxylate, alkyl phosphate and polyoxyalkylene alkyl ether phosphate. The invention also discloses a preparation method of the aluminum electrolytic capacitor suitable for IP 68. The aluminum electrolytic capacitor suitable for IP68 provided by the invention can effectively play a role in sealing, effectively solves the problems of liquid leakage and water inflow prevention, effectively reduces the loss and prolongs the service life.
Description
Technical Field
The invention belongs to the technical field of aluminum electrolytic capacitors, relates to an aluminum electrolytic capacitor, in particular to an aluminum electrolytic capacitor suitable for IP68, and further relates to a preparation method of the aluminum electrolytic capacitor.
Background
The aluminum electrolytic capacitor is made by using an aluminum cylinder as a negative electrode, filling liquid electrolyte in the aluminum cylinder and inserting a bent aluminum strip as a positive electrode. And a layer of oxide film is formed on the anode plate as a medium through direct current voltage treatment. Its advantages are high capacity, high leakage, poor stability, and positive and negative polarities. When in use, the anode and the cathode are not connected reversely.
IP68 is the highest level of the connector waterproof rating standard. Evaluating how waterproof performance of the waterproof connector is, mainly looking at the two following digits XX of the IPXX, the first digit X is from 0 to 6, and the highest grade is 6; bit 2X is from 0 to 8 with a highest rank of 8.
When the aluminum electrolytic capacitor in the prior art is used, the problem of liquid leakage or water inflow is easy to occur, the service life of the electrolyte is short, the loss is large, and therefore the aluminum electrolytic capacitor suitable for IP68 is designed to optimize the problem.
Disclosure of Invention
The invention aims to overcome the technical defects, and provides an aluminum electrolytic capacitor suitable for IP68 and a preparation method of the aluminum electrolytic capacitor suitable for IP 68.
The purpose of the invention can be achieved by adopting the following technical scheme:
an aluminum electrolytic capacitor suitable for IP68 comprises an aluminum electrolytic capacitor body, wherein the aluminum electrolytic capacitor body comprises a non-woven fabric containing an amphiphilic substance, the non-woven fabric is formed by mixing more than 30% by mass of synthetic fibers, the amphiphilic substance contains an anionic amphiphilic substance, and the anionic amphiphilic substance is at least one of carboxylic acid, carboxylate, alkyl phosphate and polyoxyalkylene alkyl ether phosphate.
Preferably, the hydrophobic group of the anionic amphiphilic substance includes one selected from an alkyl group, an alkenyl group, an alkylene group, and an alkenylene group having 8 to 20 carbon atoms, and the hydrophilic group of the anionic amphiphilic substance is 2 or more carboxylic acid groups or 1 or more carboxylic anhydride groups.
Preferably, the aluminum electrolytic capacitor comprises an aluminum electrolytic capacitor electrolyte, wherein the aluminum electrolytic capacitor electrolyte comprises an organic solvent, the organic solvent comprises ammonium 2-hexyladipate or a combination of 2-hexyladipate and an ammonium salt thereof, and the content of the ammonium 2-hexyladipate or the combination of the 2-hexyladipate and the ammonium salt thereof is converted into 2-hexyladipate which accounts for 1-30% of the total mass of the aluminum electrolytic capacitor electrolyte.
Preferably, the electrolyte of the aluminum electrolytic capacitor further comprises ammonium salts corresponding to the following acids or a combination of the following acids and ammonium salts thereof: the total content of the dicarboxylic acid containing 8-11 carbon atoms, or the monocarboxylic acid containing 4-7 carbon atoms or the boric acid is 1-5% of the total mass of the electrolyte of the aluminum electrolytic capacitor calculated by the corresponding acid.
A preparation method of an aluminum electrolytic capacitor suitable for IP68 comprises the following steps:
step 1: homogenizing the anode and the cathode of the riveted lead-out wire into an aluminum foil;
step 2: a nonwoven fabric comprising 30 mass% or more of synthetic fibers interposed between a cathode and an anode, the nonwoven fabric containing an amphiphilic substance;
and step 3: encapsulating a core into an electrolyte;
and 4, step 4: assembling the soaked core packet with a rubber plug and sealing the shell;
and 5: the sealed product enters an aging sorting machine for aging sorting measurement;
step 6: the bottom of the outer side of the rubber sleeve is bonded on the aluminum electrolytic capacitor body and is positioned on the outer sides of the two electrodes;
and 7: the lead penetrates through the rubber sleeve;
and 8: the lead penetrates through the rubber sleeve, and the penetrating part is glued with the lead.
The invention has the beneficial technical effects that:
according to the aluminum electrolytic capacitor applicable to IP68, the rubber sleeves are sleeved on the outer sides of the two poles of the aluminum electrolytic capacitor, the bottom of the outer sides of the rubber sleeves is bonded to the aluminum electrolytic capacitor body and located on the outer sides of the two poles, the two poles are connected with the conducting wires, the conducting wires penetrate through the rubber sleeves, the penetrating parts and the conducting wires are bonded together, so that a sealing effect is achieved, the problems of liquid leakage and water inflow are effectively solved, and then the non-woven fabric formed by compounding more than 30 mass% of synthetic fibers contains amphiphilic substances, so that loss is effectively reduced, and the service life is prolonged.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail with reference to the following examples, but the embodiments of the present invention are not limited thereto.
The aluminum electrolytic capacitor suitable for IP68 provided in this embodiment includes an aluminum electrolytic capacitor main body, where the aluminum electrolytic capacitor main body includes a nonwoven fabric containing 30% by mass or more of synthetic fibers, the nonwoven fabric contains an amphiphilic substance, the amphiphilic substance contains an anionic amphiphilic substance, and the anionic amphiphilic substance is composed of at least one component selected from carboxylic acid, carboxylate, alkyl phosphate ester salt, and polyoxyalkylene alkyl ether phosphate.
Further, an aluminum electrolytic capacitor suitable for IP68, includes aluminum electrolytic capacitor ware body, and aluminum electrolytic capacitor's the two poles of the earth outside cover is equipped with the rubber sleeve, and the bottom in this rubber sleeve outside bonds and is in aluminum electrolytic capacitor ware body just is located the outside of the two poles of the earth, the two poles of the earth are connected with the wire, and this wire runs through the rubber sleeve, and the gluing is in together between this run through position and the wire.
In this embodiment, the hydrophobic group of the anionic amphiphilic substance includes one selected from an alkyl group, an alkenyl group, an alkylene group, and an alkenylene group having 8 to 20 carbon atoms, and the hydrophilic group of the anionic amphiphilic substance is 2 or more carboxylic acid groups or 1 or more carboxylic anhydride groups.
In the embodiment, the aluminum electrolytic capacitor comprises an aluminum electrolytic capacitor electrolyte, wherein the aluminum electrolytic capacitor electrolyte comprises an organic solvent, the organic solvent comprises ammonium 2-hexyladipate or a combination of 2-hexyladipate and an ammonium salt thereof, and the content of the ammonium 2-hexyladipate or the combination of the 2-hexyladipate and the ammonium salt thereof is converted into 2-hexyladipate which is 1-30% of the total mass of the aluminum electrolytic capacitor electrolyte.
In this embodiment, the electrolyte of the aluminum electrolytic capacitor further comprises ammonium salts corresponding to the following acids or a combination of the following acids and ammonium salts thereof: the total content of the dicarboxylic acid containing 8-11 carbon atoms, or the monocarboxylic acid containing 4-7 carbon atoms or the boric acid is 1-5% of the total mass of the electrolyte of the aluminum electrolytic capacitor calculated by the corresponding acid.
The invention also comprises a preparation method of the aluminum electrolytic capacitor suitable for IP68, which comprises the following steps:
step 1: homogenizing the anode and the cathode of the riveted lead-out wire into an aluminum foil;
step 2: a nonwoven fabric comprising 30 mass% or more of synthetic fibers interposed between a cathode and an anode, the nonwoven fabric containing an amphiphilic substance;
and step 3: encapsulating a core into an electrolyte;
and 4, step 4: assembling the soaked core packet with a rubber plug and sealing the shell;
and 5: the sealed product enters an aging sorting machine for aging sorting measurement;
step 6: the bottom of the outer side of the rubber sleeve is bonded on the aluminum electrolytic capacitor body and is positioned on the outer sides of the two electrodes;
and 7: the lead penetrates through the rubber sleeve;
and 8: the lead penetrates through the rubber sleeve, and the penetrating part is glued with the lead.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (5)
1. An aluminum electrolytic capacitor suitable for IP68, comprising an aluminum electrolytic capacitor body, characterized in that: the aluminum electrolytic capacitor body comprises a non-woven fabric containing more than 30 mass percent of synthetic fibers, wherein the non-woven fabric contains an amphiphilic substance, the amphiphilic substance contains an anionic amphiphilic substance, and the anionic amphiphilic substance is composed of at least one of carboxylic acid, carboxylate, alkyl phosphate and polyoxyalkylene alkyl ether phosphate.
2. The aluminum electrolytic capacitor of claim 1, wherein: the hydrophobic group of the anionic amphiphilic substance comprises one selected from an alkyl group, an alkenyl group, an alkylene group or an alkenylene group having 8 to 20 carbon atoms, and the hydrophilic group of the anionic amphiphilic substance is 2 or more carboxylic acid groups or 1 or more carboxylic anhydride groups.
3. The aluminum electrolytic capacitor of claim 1, wherein: the aluminum electrolytic capacitor comprises an aluminum electrolytic capacitor electrolyte, wherein the aluminum electrolytic capacitor electrolyte comprises an organic solvent, the organic solvent comprises 2-ammonium hexyladipate or a combination of 2-hexyladipic acid and ammonium salt thereof, and the content of the 2-ammonium hexyladipate or the combination of the 2-hexyladipic acid and the ammonium salt thereof is converted into 2-hexyladipic acid which accounts for 1-30% of the total mass of the aluminum electrolytic capacitor electrolyte.
4. The aluminum electrolytic capacitor of claim 3, wherein: the electrolyte of the aluminum electrolytic capacitor also comprises ammonium salts corresponding to the following acids or the combination of the following acids and the ammonium salts thereof: the total content of the dicarboxylic acid containing 8-11 carbon atoms, or the monocarboxylic acid containing 4-7 carbon atoms or the boric acid is 1-5% of the total mass of the electrolyte of the aluminum electrolytic capacitor by the corresponding acid.
5. The method for manufacturing an aluminum electrolytic capacitor according to any one of claims 1 to 4, comprising the steps of:
step 1: homogenizing the anode and the cathode of the riveted lead-out wire into an aluminum foil;
step 2: a nonwoven fabric comprising 30 mass% or more of synthetic fibers interposed between a cathode and an anode, the nonwoven fabric containing an amphiphilic substance;
and step 3: encapsulating a core into an electrolyte;
and 4, step 4: assembling the soaked core packet with a rubber plug and sealing the shell;
and 5: the sealed product enters an aging sorting machine for aging sorting measurement;
step 6: the bottom of the outer side of the rubber sleeve is bonded on the aluminum electrolytic capacitor body and is positioned on the outer sides of the two electrodes;
and 7: the lead penetrates through the rubber sleeve;
and 8: the lead penetrates through the rubber sleeve, and the penetrating part is glued with the lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010471319.8A CN113012941A (en) | 2020-05-29 | 2020-05-29 | Aluminum electrolytic capacitor suitable for IP68 and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010471319.8A CN113012941A (en) | 2020-05-29 | 2020-05-29 | Aluminum electrolytic capacitor suitable for IP68 and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113012941A true CN113012941A (en) | 2021-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010471319.8A Pending CN113012941A (en) | 2020-05-29 | 2020-05-29 | Aluminum electrolytic capacitor suitable for IP68 and preparation method thereof |
Country Status (1)
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| CN (1) | CN113012941A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637521A (en) * | 2012-04-06 | 2012-08-15 | 珠海华冠电容器有限公司 | Surface-mounted aluminum electrolytic capacitor and manufacturing method thereof |
| CN102842430A (en) * | 2012-08-06 | 2012-12-26 | 深圳新宙邦科技股份有限公司 | Aluminum electrolytic capacitor electrolyte and aluminum electrolytic capacitor |
| CN103337373A (en) * | 2013-05-31 | 2013-10-02 | 佛山市三水日明电子有限公司 | Polymer solid aluminum electrolytic capacitor manufacturing method applicable for alternating current circuit |
| CN103560006A (en) * | 2013-10-12 | 2014-02-05 | 珠海华冠电容器有限公司 | Manufacturing method for solid-liquid mixed type aluminum electrolytic capacitor |
| JP2017059769A (en) * | 2015-09-18 | 2017-03-23 | ニッポン高度紙工業株式会社 | Separator for aluminum electrolytic capacitor, and aluminum electrolytic capacitor |
| CN206163316U (en) * | 2016-11-16 | 2017-05-10 | 石东 | Heat dissipation type condenser with anti -impact |
-
2020
- 2020-05-29 CN CN202010471319.8A patent/CN113012941A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637521A (en) * | 2012-04-06 | 2012-08-15 | 珠海华冠电容器有限公司 | Surface-mounted aluminum electrolytic capacitor and manufacturing method thereof |
| CN102842430A (en) * | 2012-08-06 | 2012-12-26 | 深圳新宙邦科技股份有限公司 | Aluminum electrolytic capacitor electrolyte and aluminum electrolytic capacitor |
| CN103337373A (en) * | 2013-05-31 | 2013-10-02 | 佛山市三水日明电子有限公司 | Polymer solid aluminum electrolytic capacitor manufacturing method applicable for alternating current circuit |
| CN103560006A (en) * | 2013-10-12 | 2014-02-05 | 珠海华冠电容器有限公司 | Manufacturing method for solid-liquid mixed type aluminum electrolytic capacitor |
| JP2017059769A (en) * | 2015-09-18 | 2017-03-23 | ニッポン高度紙工業株式会社 | Separator for aluminum electrolytic capacitor, and aluminum electrolytic capacitor |
| CN106910632A (en) * | 2015-09-18 | 2017-06-30 | 日本高度纸工业株式会社 | Aluminium electrolutic capacitor separator and aluminium electrolutic capacitor |
| CN206163316U (en) * | 2016-11-16 | 2017-05-10 | 石东 | Heat dissipation type condenser with anti -impact |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Bin Inventor after: Li Yunqiang Inventor before: Li Yunqiang |
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Application publication date: 20210622 |
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