CN110634680A - Commercial panel long-life fixed aluminum electrolytic capacitor material - Google Patents
Commercial panel long-life fixed aluminum electrolytic capacitor material Download PDFInfo
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- CN110634680A CN110634680A CN201910685119.XA CN201910685119A CN110634680A CN 110634680 A CN110634680 A CN 110634680A CN 201910685119 A CN201910685119 A CN 201910685119A CN 110634680 A CN110634680 A CN 110634680A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 45
- 239000003990 capacitor Substances 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 title claims abstract description 15
- 239000011888 foil Substances 0.000 claims abstract description 52
- 239000003792 electrolyte Substances 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 32
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 16
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000008139 complexing agent Substances 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 16
- 229910021641 deionized water Inorganic materials 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 16
- 235000012239 silicon dioxide Nutrition 0.000 claims description 16
- 239000000377 silicon dioxide Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 4
- 239000013256 coordination polymer Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009835 boiling Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/035—Liquid electrolytes, e.g. impregnating materials
-
- 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
- H01G9/12—Vents or other means allowing expansion
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a commercial panel long-life fixed aluminum electrolytic capacitor material.A leading-out end of a metal aluminum shell is led out by a one-way lead, one end of the metal aluminum shell is provided with a pressure release device, the exterior of the metal aluminum shell is wrapped by an insulating outer sleeve, a single anode foil, a single cathode foil and electrolytic paper are wound into a cylindrical core cladding in the metal aluminum shell, and electrolyte is also arranged in the metal aluminum shell; the electrolyte is prepared from the following raw materials in parts by mass: the electrolyte has good oxidizability, can play a role in repairing an oxide film, greatly prolongs the service life of the capacitor, and completely meets the design requirements of wide temperature range and long service life by using the electrolyte with the conductivity of more than 21000 mu S/cm, the flash voltage of 230V, the pH value of 6.8 and the boiling point of 125 ℃.
Description
Technical Field
The invention relates to the technical field of aluminum electrolytic capacitors, in particular to a commercial panel long-life fixed aluminum electrolytic capacitor material.
Background
The aluminum electrolytic capacitor is an important basic element in electronic circuits, is widely applied to the aspects of communication equipment, audio-visual systems, electronic instruments, automotive electronics and the like, and has larger and larger demand. With the improvement of the technical level of the aluminum electrolysis industry, the temperature of the capacitor product is wide and the service life of the capacitor product is continuously improved, and the temperature can reach 105 ℃ for 2000 hours nowadays from 85 ℃ for 1000 hours at the end of the last 80 years to 85 ℃ for 2000 hours in the last 90 years. The temperature width refers to the temperature range of the aluminum electrolytic capacitor, and the service life refers to the time that the electrolytic capacitor can work under rated voltage, ripple current and highest temperature. The quality of the aluminum electrolytic capacitor is directly related to the reliability and the service life of the whole machine, so that the development of the aluminum electrolytic capacitor with a commercial panel in the direction of long service life is one of the key technologies for improving the quality of the whole machine, and therefore, an improved technology is urgently needed to solve the problem in the prior art.
Disclosure of Invention
The invention aims to provide a commercial panel long-life fixed aluminum electrolytic capacitor material to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a commercial panel long-life fixed aluminum electrolytic capacitor material comprises a metal aluminum shell, a lead, a pressure release device, an insulating outer sleeve, an anode foil, a cathode foil and electrolytic paper, wherein the leading-out end of the metal aluminum shell is led out by a one-way lead, the pressure release device is arranged at one end of the metal aluminum shell, the insulating outer sleeve is wrapped outside the metal aluminum shell, a cylindrical core package is formed by winding a single anode foil, the cathode foil and the electrolytic paper inside the metal aluminum shell, and electrolyte is further arranged inside the metal aluminum shell; the electrolyte is prepared from the following raw materials in parts by mass: 20-30 parts of borate, 15-20 parts of ethylene glycol, 10-15 parts of hexahydric alcohol, 40-50 parts of deionized water, 1-5 parts of a hydrogen eliminating agent, 3-6 parts of a pH regulator, 5-10 parts of silicon dioxide and 2-5 parts of a complexing agent.
Preferably, the electrolyte is prepared from the following raw materials in parts by mass: 25 parts of borate, 18 parts of ethylene glycol, 12 parts of hexahydric alcohol, 45 parts of deionized water, 3 parts of a hydrogen eliminating agent, 4 parts of a pH regulator, 7 parts of silicon dioxide and 3 parts of a complexing agent.
Preferably, the thickness of the anode foil is 0.015-0.2mm, and the length of the anode foil is calculated by the formula: k is a truncation coefficient; CR is the nominal capacitance; d is the width of the anode foil; CP is the specific value of the anode foil.
Preferably, the cathode foil is connected with the anode foil in series, the thickness of the cathode foil is 40-50um, and the specific value of the cathode foil is not less than 330uF/cm 2.
Preferably, the electrolytic paper is MER2.5-40 electrolytic paper.
Preferably, the manufacturing method comprises the following steps:
the method comprises the following steps: preparing electrolyte, pouring borate, ethylene glycol, hexahydric alcohol and deionized water into a stirrer in equal parts, heating to 80-90 ℃, fully mixing, adding a hydrogen eliminating agent, a pH regulator, silicon dioxide and a complexing agent, heating to 125-130 ℃, fully stirring for 20-30 minutes, and finally cooling to obtain the electrolyte.
Step two: winding anode foil, cathode foil and electrolytic paper into a cylindrical core package, placing the core package into a metal aluminum shell, connecting one end of a lead positioned in the metal aluminum shell with the core package, sealing the end through a pressure release device, wrapping the outer part with an insulating outer sleeve, and finally injecting electrolyte to obtain the capacitor.
Compared with the prior art, the invention has the beneficial effects that:
the electrolyte with the conductivity of more than 21000 mu S/cm, the sparking voltage of 230V, the pH value of 6.8 and the boiling point of 125 ℃ has good oxidizability, can play a role in repairing an oxide film, greatly prolongs the service life of a capacitor, and completely meets the design requirements of wide temperature range and long service life.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a core package structure.
FIG. 3 is a graph showing the relationship between unit capacitance and the capacitance of the anode foil and the capacitance of the cathode foil after the series connection.
In the figure: metal aluminum casing 1, lead 2, pressure relief device 3, insulating sheath 4, anode foil 5, cathode foil 6, electrolytic paper 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a commercial panel long-life fixed aluminum electrolytic capacitor material, including metallic aluminum shell 1, lead wire 2, pressure release device 3, insulating overcoat 4, anode foil 5, cathode foil 6 and electrolytic paper 7, the end of drawing forth of metallic aluminum shell 1 is drawn forth for one- way lead wire 2, 1 one end of metallic aluminum shell is provided with pressure release device 3, 1 outside parcel of metallic aluminum shell has insulating overcoat 4, 1 inside by monolithic anode foil 5, cathode foil 6 and electrolytic paper 7 convolute into cylindrical core package, the thickness of anode foil 5 is 0.015-0.2mm, the length calculation formula of anode foil 5 is: k is a truncation coefficient; CR is the nominal capacitance; d is the width of the anode foil 5; CP is the specific value of the anode foil 5, the cathode foil 6 is connected with the anode foil 5 in series, the thickness of the cathode foil 6 is 40-50um, the specific value of the cathode foil 6 is not less than 330uF/cm2, and the electrolyte paper 7 adopts MER2.5-40 electrolyte paper 7 and is also provided with electrolyte inside the metal aluminum shell 1.
The electrolyte is prepared from the following raw materials in parts by mass: 20-30 parts of borate, 15-20 parts of ethylene glycol, 10-15 parts of hexahydric alcohol, 40-50 parts of deionized water, 1-5 parts of a hydrogen eliminating agent, 3-6 parts of a pH regulator, 5-10 parts of silicon dioxide and 2-5 parts of a complexing agent.
Wherein, because the cathode foil and the anode foil are in series connection structure in the capacitor, the capacitance of the unit anode foil is set as C anode, the capacitance of the unit cathode foil is set as C cathode, and the unit capacitance after series connection is set as C cathode, the relationship is shown in FIG. 3, and it can be seen from the formula that the larger the C cathode is, the smaller the influence of C is.
A commercial panel long-life fixed aluminum electrolytic capacitor material comprises the following steps:
the method comprises the following steps: preparing electrolyte, pouring borate, ethylene glycol, hexahydric alcohol and deionized water into a stirrer in equal parts, heating to 80-90 ℃, fully mixing, adding a hydrogen eliminating agent, a pH regulator, silicon dioxide and a complexing agent, heating to 125-130 ℃, fully stirring for 20-30 minutes, and finally cooling to obtain the electrolyte.
Step two: winding the anode foil 5, the cathode foil 6 and the electrolytic paper 7 into a cylindrical core package, placing the core package into the metal aluminum shell 1, connecting one end of the lead 2, which is positioned inside the metal aluminum shell 1, with the core package, sealing through the pressure release device 3, wrapping the outside with the insulating outer sleeve 4, and finally injecting electrolyte to obtain the capacitor.
The first embodiment is as follows:
the electrolyte is prepared from the following raw materials in parts by mass: 20-30 parts of borate, 15-20 parts of ethylene glycol, 10-15 parts of hexahydric alcohol, 40-50 parts of deionized water, 1-5 parts of a hydrogen eliminating agent, 3-6 parts of a pH regulator, 5-10 parts of silicon dioxide and 2-5 parts of a complexing agent.
The manufacturing method comprises the following steps: pouring borate, ethylene glycol, hexahydric alcohol and deionized water into a stirrer in equal parts, heating to 90 ℃, fully mixing, adding a hydrogen eliminating agent, a pH regulator, silicon dioxide and a complexing agent, heating to 125 ℃, fully stirring for 20 minutes, and finally cooling to obtain the electrolyte.
The first embodiment is as follows:
the electrolyte is prepared from the following raw materials in parts by mass: 20 parts of borate, 15 parts of ethylene glycol, 10 parts of hexahydric alcohol, 40 parts of deionized water, 1 part of a hydrogen eliminating agent, 3 parts of a pH regulator, 5 parts of silicon dioxide and 2 parts of a complexing agent.
The manufacturing method comprises the following steps: pouring borate, ethylene glycol, hexahydric alcohol and deionized water into a stirrer in equal parts, heating to 90 ℃, fully mixing, adding a hydrogen eliminating agent, a pH regulator, silicon dioxide and a complexing agent, heating to 125 ℃, fully stirring for 20 minutes, and finally cooling to obtain the electrolyte.
The electrolyte prepared in the embodiment has the conductivity of 21097 mu S/cm, the sparking voltage of 230V, the pH value of 6.8 and the boiling point of 125 ℃.
Example two:
the electrolyte is prepared from the following raw materials in parts by mass: 25 parts of borate, 18 parts of ethylene glycol, 12 parts of hexahydric alcohol, 45 parts of deionized water, 3 parts of a hydrogen eliminating agent, 4 parts of a pH regulator, 7 parts of silicon dioxide and 3 parts of a complexing agent.
The manufacturing method comprises the following steps: pouring borate, ethylene glycol, hexahydric alcohol and deionized water into a stirrer in equal parts, heating to 90 ℃, fully mixing, adding a hydrogen eliminating agent, a pH regulator, silicon dioxide and a complexing agent, heating to 125 ℃, fully stirring for 20 minutes, and finally cooling to obtain the electrolyte.
The electrolyte prepared in the embodiment has the conductivity of 21160 mu S/cm, the sparking voltage of 230V, the pH value of 6.8 and the boiling point of 125 ℃.
Example three:
the electrolyte is prepared from the following raw materials in parts by mass: 30 parts of borate, 20 parts of ethylene glycol, 15 parts of hexahydric alcohol, 50 parts of deionized water, 5 parts of a hydrogen eliminating agent, 6 parts of a pH regulator, 10 parts of silicon dioxide and 5 parts of a complexing agent.
The manufacturing method comprises the following steps: pouring borate, ethylene glycol, hexahydric alcohol and deionized water into a stirrer in equal parts, heating to 90 ℃, fully mixing, adding a hydrogen eliminating agent, a pH regulator, silicon dioxide and a complexing agent, heating to 125 ℃, fully stirring for 20 minutes, and finally cooling to obtain the electrolyte.
The electrolyte prepared in the embodiment has the conductivity of 21063 mu S/cm, the sparking voltage of 230V, the pH value of 6.8 and the boiling point of 125 ℃.
In summary, the conductivity of the first to third embodiments can reach above 21000 μ S/cm, the sparking voltage is 230V, the pH value is 6.8, the boiling point is 125 ℃, the requirements can be met, the oxidation property is good, and the effect of repairing the oxide film can be achieved.
Product testing
A number of 63V 1000. mu.F 6 products having a volume of. phi.19 mm. times.35 mm were randomly sampled, initial values of capacitance, loss tangent and leakage current were measured at 25 ℃ and then impedance at-55 ℃ and capacitance, loss tangent and leakage current values at 105 ℃ were measured, and the results are shown in Table 1.
TABLE 1 Electrical parameter values of products under wide temperature conditions
The results of the electrical parameter tests of the products after being placed at the normal temperature for 16 hours are shown in Table 2.
TABLE 2 Electrical parameter values at Normal temperature of products treated at different temperatures
Surge voltage testing
The surge voltage is an important index of product performance, 85V surge voltage is applied to the product 1000 times, the duration of each time is 30s, the discharge time is 5min30s, and the test electrical parameter values are shown in Table 3. In the surge voltage test, no mechanical damage, electrolyte leakage or shell deformation exists.
Product electrical parameter value under table 385V surge voltage
The product was tested at 105 ℃ with a ripple current of 550mA (100Hz) for 2000h, and then the electrical parameters of the product were determined, the results are shown in Table 4. After the test, the appearance of the test piece is free from mechanical damage, electrolyte leakage or shell deformation.
TABLE 4 measured values of electrical parameters of the product after 2000h test
And (4) conclusion:
the temperature, width and service life characteristics of the developed 63V 1000 muF product with the volume phi of 19mm multiplied by 35mm are respectively shown in tables 1, 2, 3 and 4, the analysis of test results shows that the capacitor completely meets the performance requirements of the product, the development of the capacitor towards the long service life can be expected from 2000h durability test data, and according to the design index requirements, the product structure and production process are determined through material selection, electrolyte is developed, and finally, product test tests are carried out, so that the product completely meets the design requirements of wide temperature and long service life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A commercial panel long-life fixed aluminum electrolytic capacitor material is characterized in that: the electrolytic cell comprises a metal aluminum shell (1), a lead (2), a pressure release device (3), an insulating outer sleeve (4), an anode foil (5), a cathode foil (6) and electrolytic paper (7), wherein the leading-out end of the metal aluminum shell (1) is led out by the one-way lead (2), the pressure release device (3) is arranged at one end of the metal aluminum shell (1), the insulating outer sleeve (4) is wrapped outside the metal aluminum shell (1), the single anode foil (5), the cathode foil (6) and the electrolytic paper (7) are wound into a cylindrical core package inside the metal aluminum shell (1), and electrolyte is also arranged inside the metal aluminum shell (1); the electrolyte is prepared from the following raw materials in parts by mass: 20-30 parts of borate, 15-20 parts of ethylene glycol, 10-15 parts of hexahydric alcohol, 40-50 parts of deionized water, 1-5 parts of a hydrogen eliminating agent, 3-6 parts of a pH regulator, 5-10 parts of silicon dioxide and 2-5 parts of a complexing agent.
2. The commercial panel long-life fixed aluminum electrolytic capacitor material as set forth in claim 1, wherein: the electrolyte is prepared from the following raw materials in parts by mass: 25 parts of borate, 18 parts of ethylene glycol, 12 parts of hexahydric alcohol, 45 parts of deionized water, 3 parts of a hydrogen eliminating agent, 4 parts of a pH regulator, 7 parts of silicon dioxide and 3 parts of a complexing agent.
3. The commercial panel long-life fixed aluminum electrolytic capacitor material as set forth in claim 1, wherein: the thickness of the anode foil (5) is 0.015-0.2mm, and the length of the anode foil (5) is calculated by the formula: l = KCRa/dCP, wherein K is a truncation coefficient; CR is the nominal capacitance; d is the width of the anode foil (5); CP is the specific value of the anode foil (5).
4. The commercial panel long-life fixed aluminum electrolytic capacitor material as set forth in claim 1, wherein: the cathode foil (6) is connected with the anode foil (5) in series, the thickness of the cathode foil (6) is 40-50um, and the specific capacity value of the cathode foil (6) is not less than 330uF/cm 2.
5. The commercial panel long-life fixed aluminum electrolytic capacitor material as set forth in claim 1, wherein: the electrolytic paper (7) adopts MER2.5-40 electrolytic paper (7).
6. The commercial panel long-life fixed aluminum electrolytic capacitor material as set forth in claim 1, wherein: the manufacturing method comprises the following steps:
step one, preparing electrolyte, pouring borate, ethylene glycol, hexahydric alcohol and deionized water into a stirrer in equal parts, heating to 80-90 ℃, fully mixing, adding a hydrogen eliminating agent, a pH regulator, silicon dioxide and a complexing agent, heating to 125 ~ 130 ℃, fully stirring for 20-30 minutes, and finally cooling to obtain the electrolyte;
step two: winding the anode foil (5), the cathode foil (6) and the electrolytic paper (7) into a cylindrical core package, placing the core package into the metal aluminum shell (1), connecting one end of the lead (2) positioned inside the metal aluminum shell (1) with the core package, sealing the end through the pressure release device (3), wrapping the outer part with the insulating outer sleeve (4), and finally injecting electrolyte to obtain the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685119.XA CN110634680A (en) | 2019-07-27 | 2019-07-27 | Commercial panel long-life fixed aluminum electrolytic capacitor material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910685119.XA CN110634680A (en) | 2019-07-27 | 2019-07-27 | Commercial panel long-life fixed aluminum electrolytic capacitor material |
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| Publication Number | Publication Date |
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| CN110634680A true CN110634680A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910685119.XA Pending CN110634680A (en) | 2019-07-27 | 2019-07-27 | Commercial panel long-life fixed aluminum electrolytic capacitor material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314347A (en) * | 2021-07-30 | 2021-08-27 | 南通江海电容器股份有限公司 | Cutting method of formed foil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610799A (en) * | 2001-11-22 | 2005-04-27 | Nok株式会社 | Pressure release valve |
| CN102915843A (en) * | 2011-08-03 | 2013-02-06 | 余秀娜 | Working electrolyte for wide-temperature high-pressure aluminum electrolytic capacitor and preparation method thereof |
| CN105990027A (en) * | 2016-06-29 | 2016-10-05 | 肇庆市华胜电子有限公司 | Low-resistivity electrolytic capacitor-used electrolyte and preparation method thereof |
| CN107103998A (en) * | 2017-06-02 | 2017-08-29 | 南通新三能电子有限公司 | Ultra-wide temperature low-voltage aluminum electrolytic capacitor Working electrolyte and preparation method thereof |
-
2019
- 2019-07-27 CN CN201910685119.XA patent/CN110634680A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1610799A (en) * | 2001-11-22 | 2005-04-27 | Nok株式会社 | Pressure release valve |
| CN102915843A (en) * | 2011-08-03 | 2013-02-06 | 余秀娜 | Working electrolyte for wide-temperature high-pressure aluminum electrolytic capacitor and preparation method thereof |
| CN105990027A (en) * | 2016-06-29 | 2016-10-05 | 肇庆市华胜电子有限公司 | Low-resistivity electrolytic capacitor-used electrolyte and preparation method thereof |
| CN107103998A (en) * | 2017-06-02 | 2017-08-29 | 南通新三能电子有限公司 | Ultra-wide temperature low-voltage aluminum electrolytic capacitor Working electrolyte and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘毅 等: "宽温长寿命固定铝电解电容器的试验研究", 《科技视界：机械与电子》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314347A (en) * | 2021-07-30 | 2021-08-27 | 南通江海电容器股份有限公司 | Cutting method of formed foil |
| CN113314347B (en) * | 2021-07-30 | 2021-10-08 | 南通江海电容器股份有限公司 | Cutting method of formed foil |
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Application publication date: 20191231 |