CN115172063B - High-temperature packaging method for liquid aluminum electrolytic capacitor - Google Patents
High-temperature packaging method for liquid aluminum electrolytic capacitor Download PDFInfo
- Publication number
- CN115172063B CN115172063B CN202210643473.8A CN202210643473A CN115172063B CN 115172063 B CN115172063 B CN 115172063B CN 202210643473 A CN202210643473 A CN 202210643473A CN 115172063 B CN115172063 B CN 115172063B
- Authority
- CN
- China
- Prior art keywords
- temperature
- capacitor
- heating
- semi
- finished
- 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.)
- Active
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 106
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 title claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 96
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000011888 foil Substances 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000003792 electrolyte Substances 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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 OR LIGHT-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
- H01G9/045—Electrodes or formation of dielectric layers thereon characterised by the material based on aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-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
Abstract
The invention provides a high-temperature packaging method of a liquid aluminum electrolytic capacitor, which comprises the steps of inserting anode foil and cathode foil with oxide films on the surfaces into electrolytic paper and winding the electrolytic paper into a core package; drying and dehumidifying the core bag, immersing the core bag in electrolyte, mounting a rubber plug or a sealing cover plate, and filling the core bag into an aluminum shell; heating to 60-135 deg.C with high temperature heater; packaging at high temperature by using a girdling wheel and a sealing needle clamp; the invention is sleeved into the heat shrinkage pipe and heated to shrink the finished product, and the beneficial effects of the invention are that: the liquid aluminum electrolytic capacitor is added with high-temperature packaging, so that a vacuum negative pressure state is formed inside the liquid aluminum electrolytic capacitor, bulge is not easy to occur when the liquid aluminum electrolytic capacitor works in a high-temperature environment or high-power high-load working, the air bulge explosion probability is effectively reduced, air bubbles generated in the product work are rapidly displaced, liquid is rapidly circulated, the self-repairing capacity of the product is improved, the safe application and installation of the liquid aluminum electrolytic capacitor in the high-temperature environment or high-power high-load working are successfully solved, the reliable service life is prolonged, the safety and stability are high, and the application range is wide.
Description
[ field of technology ]
The invention relates to the field of liquid aluminum electrolytic capacitor packaging, in particular to a high-temperature packaging method of a liquid aluminum electrolytic capacitor.
[ background Art ]
The new energy automobile electronic application liquid aluminum electrolytic capacitor products are very wide nowadays, and new requirements are put forward for the reliability of the capacitor products, such as outdoor high temperature, high power, low internal resistance and the like, while the new energy automobile electronic is rapidly developed; in addition, in the application and high-temperature assembly links of high-efficiency high-power electronic products, higher index requirements are provided for the aluminum electrolytic capacitor, for example, the environment temperature of the aluminum electrolytic capacitor can reach hundreds of degrees when an automobile runs, the equipment temperature during welding and reflow in the production of various vehicle-mounted mainboards can reach 270 degrees, and the traditional capacitor preparation method and material process cannot realize breakthrough meeting the requirements; when the capacitor manufactured by the traditional capacitor manufacturing method works in a high-temperature environment or high-power high-load working, the internal resistance of the capacitor is easy to generate air bubbles, and the internal structure of the capacitor is deformed and swelled, so that the service life of the product is greatly reduced, the air bubbles are possibly opened and invalid, and the safety and the stability of the product manufactured by the traditional method are low when the traditional capacitor works in the high-temperature environment or high-power high-load working.
[ invention ]
The invention aims to solve the problems of the traditional capacitor preparation method and provides a high-temperature packaging method of a liquid aluminum electrolytic capacitor.
The invention is realized by the following technical scheme: a high-temperature packaging method of a liquid aluminum electrolytic capacitor comprises the following steps:
s1, sequentially inserting electrolytic paper between an anode foil and a cathode foil which are made of aluminum foil and provided with oxide films on the surfaces, and winding the electrolytic paper into a core package;
s2, drying and dehumidifying the core package, immersing the core package in electrolyte, then inserting a lead rubber plug or a connecting ox horn bolt sealing cover plate on the core package, and filling the core package into an aluminum shell of the capacitor to form a semi-finished capacitor;
s3, sequentially contacting the semi-finished capacitor combined in the S2 with a high-temperature heating element for heating or blowing high-temperature air flow for heating, and controllably heating to 60-135 ℃ according to the characteristics and technical index requirements of the product;
s4, after the semi-finished capacitor reaches the technical appointed temperature, fixing the semi-finished capacitor by using a girdling wheel, and packaging at high temperature through a sealing needle clamp, so that the semi-finished capacitor is sealed at the appointed temperature, and the sealing of the inside of the semi-finished capacitor is realized;
and S5, sleeving the sealed semi-finished capacitor into a heat shrinkage tube, and heating the heat shrinkage tube to shrink the finished product, thereby completing the packaging of the liquid aluminum electrolytic capacitor.
Further, the high-temperature heating body in the step S3 is a temperature control heating tank and/or a hot air heating device, the temperature control heating tank comprises a heating tank main body, a heating resistor, a temperature controller and a temperature control probe, the upper part of the heating tank main body is a U-shaped tank through which semi-finished capacitor running water passes, the lower part of the heating tank main body is a base provided with the heating resistor, the heating resistor is used for continuously heating the U-shaped tank at the upper part of the heating tank main body through power supply of an external power supply, the heating tank main body is externally connected with the temperature controller, the temperature controller is connected with the heating resistor through a circuit by signals, the temperature controller is a switch and a temperature adjusting device of the heating resistor, the heating tank main body is provided with the temperature control probe, the temperature control probe is connected with the temperature controller by signals, and the temperature control probe is a temperature monitoring device of the heating tank main body; the hot air heating device is a hot air heating groove or a hot air heating tuyere, and the hot air heating device blows the semi-finished capacitor through hot air to heat the semi-finished capacitor.
Further, in the step S3, the semi-finished capacitor is heated, and a constant temperature, a heating speed and a heating time which are continuously generated can be set for the high-temperature heating element according to the characteristics and the index requirements of the product, so that the semi-finished capacitor passing through the high-temperature heating element reaches a specified temperature.
Further, the heating of the semi-finished capacitor in the step S3 and the high-temperature packaging of the semi-finished capacitor kept at the specified temperature in the step S4 can effectively reduce the air density of the residual space inside the semi-finished capacitor, so that when the packaged capacitor is in an environment smaller than the packaging temperature, the air density inside the capacitor is smaller than the air density outside, and the inside of the capacitor always maintains a larger vacuum negative pressure state.
Further, the corset wheel in the step S4 is a capacitor corset clamp at normal temperature or a capacitor high-temperature corset clamp continuously heated, and the sealing needle clamp is a capacitor sealing clamp at normal temperature or a capacitor high-temperature sealing clamp continuously heated.
The invention has the beneficial effects that: according to the method, the product is packaged after the high temperature is applied to the assembly process of the liquid aluminum electrolytic capacitor, so that the product is in a vacuum negative pressure state, the bulge is not easy to occur when the method is applied to the high temperature environment work or the high power high load work, the probability of the gas bulge explosion of the liquid aluminum electrolytic capacitor is effectively reduced, the rapid displacement efficiency of bubbles generated in the product work is improved, the liquid is rapidly circulated, the self-repairing function of the product is greatly increased, the safe application and installation of the liquid aluminum electrolytic capacitor in the high temperature environment work or the high power high load work are successfully solved, the reliable service life of the liquid aluminum electrolytic capacitor is prolonged, the safety and stability are high, and the application range is wide.
[ description of the drawings ]
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic diagram of a liquid aluminum electrolytic capacitor according to the present invention;
FIG. 3 is an exploded view of a semi-finished capacitor of the present invention;
FIG. 4 is a schematic view of the structure of the high temperature heat-generating body of the present invention;
FIG. 5 is a schematic view of the structure of the high-frequency heating fixture and the heating beam mold fixture of the invention;
reference numerals: 1. a liquid aluminum electrolytic capacitor; 11. a core pack; 12. the ox horn bolt seals the cover plate; 13. an aluminum housing; 14. a heat shrinkage tube; 2. a high-temperature heating element; 21. a heating tank main body; 22. a heating resistor; 23. a temperature controller; 24. a temperature control probe; 3. a girdling wheel; 4. and sealing the needle clamp.
[ detailed description ] of the invention
The invention is further described with reference to the accompanying drawings and detailed description below:
as shown in fig. 1, 2, 3, 4 and 5, a high-temperature packaging method for a liquid aluminum electrolytic capacitor comprises the following steps:
s1, sequentially inserting electrolytic paper between an anode foil and a cathode foil which are made of aluminum foil and provided with oxide films on the surfaces, and winding the electrolytic paper into a core bag 11;
s2, drying and dehumidifying the core package 11, immersing the core package 11 in electrolyte, then inserting a lead rubber plug or a chained ox horn bolt sealing cover plate 12 on the core package 11, and filling the lead rubber plug or the chained ox horn bolt sealing cover plate into a capacitor aluminum shell 13 to form a semi-finished capacitor;
s3, sequentially contacting the semi-finished capacitor combined in the S2 with the high-temperature heating body 2 for heating or blowing high-temperature air flow for heating, and controllably heating to 60-135 ℃ according to the characteristics and technical index requirements of the product;
s4, after the semi-finished capacitor reaches the technical appointed temperature, fixing the semi-finished capacitor by using a girdling wheel 3, and packaging at high temperature through a sealing needle clamp 4, so that the semi-finished capacitor seals girdling at the appointed temperature, and the sealing of the inside of the semi-finished capacitor is realized;
and S5, sleeving the sealed semi-finished capacitor into the heat shrinkage tube 14, heating the heat shrinkage tube 14 to shrink the finished product, and completing the packaging of the liquid aluminum electrolytic capacitor 1.
Preferably, the high-temperature heating body 2 in the S3 is a temperature-controlled heating tank and/or a hot air heating device, the temperature-controlled heating tank includes a heating tank main body 21, a heating resistor 22, a temperature controller 23, and a temperature-controlled probe 24, the upper part of the heating tank main body 21 is a U-shaped tank through which semi-finished capacitor running water passes, the lower part is a base provided with the heating resistor 22, the heating resistor 22 continuously heats the U-shaped tank at the upper part of the heating tank main body 21 by supplying power to an external power supply, the heating tank main body 21 is externally connected with the temperature controller 23, the temperature controller 23 is in signal connection with the heating resistor 22 through a circuit, the temperature controller 23 is a switch and a temperature-controlled device of the heating resistor 22, the heating tank main body 21 is provided with the temperature-controlled probe 24, the temperature-controlled probe 24 is in signal connection with the temperature controller 23, and the temperature-controlled probe 24 is a temperature monitoring device of the heating tank main body 21; the hot air heating device is a hot air heating groove or a hot air heating tuyere, and the hot air heating device blows the semi-finished capacitor through hot air to heat the semi-finished capacitor.
Preferably, in the step S3, the semi-finished capacitor is heated, and a constant temperature, a heating speed and a heating time which are continuously generated can be set for the high-temperature heating element 2 according to the characteristics and the index requirements of the product, so that the semi-finished capacitor passing through the high-temperature heating element 2 reaches a specified temperature.
Preferably, the heating of the semi-finished capacitor in the step S3 and the high-temperature packaging of the semi-finished capacitor kept at the specified temperature in the step S4 can effectively reduce the air density of the residual space inside the semi-finished capacitor, so that when the packaged capacitor is in an environment less than the packaging temperature, the air density inside the capacitor is less than the air density of the outside, and the inside of the capacitor always maintains a larger vacuum negative pressure state.
Preferably, the corset wheel 3 in S4 is a capacitor corset clamp at normal temperature or a capacitor high-temperature corset clamp that is continuously heated, and the sealing needle clamp 4 is a capacitor sealing clamp at normal temperature or a capacitor high-temperature sealing clamp that is continuously heated.
Since modifications and changes may be made to the above-described embodiments by persons skilled in the art in light of the above disclosure, it is intended that the present invention not be limited to the particular embodiments disclosed and described, but that certain modifications and changes may be practiced within the scope of the appended claims. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (4)
1. The high-temperature packaging method of the liquid aluminum electrolytic capacitor is characterized by comprising the following steps of:
s1, sequentially inserting electrolytic paper between an anode foil and a cathode foil which are made of aluminum foil and provided with oxide films on the surfaces, and winding the electrolytic paper into a core package;
s2, drying and dehumidifying the core package, immersing the core package in electrolyte, then inserting a lead rubber plug or a connecting ox horn bolt sealing cover plate on the core package, and filling the core package into an aluminum shell of the capacitor to form a semi-finished capacitor;
s3, sequentially contacting the semi-finished capacitor combined in the S2 with a high-temperature heating element for heating or blowing high-temperature air flow for heating, and controllably heating to 60-135 ℃ according to the characteristics and technical index requirements of the product; the high-temperature heating body is a temperature control heating tank and/or a hot air heating device, the temperature control heating tank comprises a heating tank main body, a heating resistor, a temperature controller and a temperature control probe, the upper part of the heating tank main body is a U-shaped tank through which semi-finished capacitor running water passes, the lower part of the heating tank main body is a base provided with the heating resistor, the heating resistor continuously heats the U-shaped tank at the upper part of the heating tank main body by supplying power through an external power supply, the heating tank main body is externally connected with the temperature controller, the temperature controller is connected with the heating resistor through a circuit by a signal, the temperature controller is a switch and a temperature adjusting device of the heating resistor, the heating tank main body is provided with the temperature control probe, the temperature control probe is connected with the temperature controller by a signal, and the temperature control probe is a temperature monitoring device of the heating tank main body; the hot air heating device is a hot air heating groove or a hot air heating tuyere, and the hot air heating device blows the semi-finished capacitor through hot air to heat the semi-finished capacitor;
s4, after the semi-finished capacitor reaches the technical appointed temperature, fixing the semi-finished capacitor by using a girdling wheel, and packaging at high temperature through a sealing needle clamp, so that the semi-finished capacitor is sealed at the appointed temperature, and the sealing of the inside of the semi-finished capacitor is realized;
and S5, sleeving the sealed semi-finished capacitor into a heat shrinkage tube, and heating the heat shrinkage tube to shrink the finished product, thereby completing the packaging of the liquid aluminum electrolytic capacitor.
2. The high-temperature packaging method of the liquid aluminum electrolytic capacitor according to claim 1, wherein: and (3) heating the semi-finished capacitor in the step (S3), and setting constant temperature, heating speed and heating time which are continuously generated for the high-temperature heating element according to the product characteristics and index requirements, so that the semi-finished capacitor passing through the high-temperature heating element reaches the designated temperature.
3. The high-temperature packaging method of the liquid aluminum electrolytic capacitor according to claim 1, wherein: and in the step S3, the semi-finished capacitor is heated, and in the step S4, the semi-finished capacitor kept at the specified temperature is packaged at a high temperature, so that the air density of the residual space inside the semi-finished capacitor is effectively reduced, when the packaged capacitor is in an environment smaller than the packaging temperature, the air density inside the capacitor is smaller than the air density of the outside, and the inside of the capacitor is always kept in a vacuum negative pressure state.
4. The high-temperature packaging method of the liquid aluminum electrolytic capacitor according to claim 1, wherein: the beam waist wheel in the S4 is a normal-temperature capacitor beam waist clamp or a continuously-heated capacitor high-temperature beam waist clamp, and the sealing needle clamp is a normal-temperature capacitor sealing clamp or a continuously-heated capacitor high-temperature sealing clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210643473.8A CN115172063B (en) | 2022-06-09 | 2022-06-09 | High-temperature packaging method for liquid aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210643473.8A CN115172063B (en) | 2022-06-09 | 2022-06-09 | High-temperature packaging method for liquid aluminum electrolytic capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115172063A CN115172063A (en) | 2022-10-11 |
| CN115172063B true CN115172063B (en) | 2024-02-06 |
Family
ID=83485422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210643473.8A Active CN115172063B (en) | 2022-06-09 | 2022-06-09 | High-temperature packaging method for liquid aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115172063B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002190434A (en) * | 2000-12-22 | 2002-07-05 | Jcc Engineering Co Ltd | Method and device for manufacturing solid aluminum electrolytic capacitor |
| CN104005215A (en) * | 2014-06-03 | 2014-08-27 | 丛德奎 | Safety protection device for fast bedding dryer |
| JP2014187278A (en) * | 2013-03-25 | 2014-10-02 | Elna Co Ltd | Aluminum electrolytic capacitor |
| CN105551806A (en) * | 2016-03-07 | 2016-05-04 | 湖南艾华集团股份有限公司 | Square liquid-state aluminum electrolytic capacitor with flexible package and manufacturing process thereof |
| CN106252084A (en) * | 2016-08-31 | 2016-12-21 | 深圳市兴创嘉科技有限公司 | A kind of manufacture method of liquid aluminum electrolytic capacitor |
| CN109708300A (en) * | 2019-02-23 | 2019-05-03 | 深圳雅素达电子科技有限公司 | A kind of manufacturing method of ceramic wafer heater and instant heating type fluid heater |
| CN109741952A (en) * | 2019-02-12 | 2019-05-10 | 赣州市柏瑞凯电子科技有限公司 | A kind of packaging technology of small size solid-state aluminum electrolytic capacitor |
| CN110676055A (en) * | 2019-10-15 | 2020-01-10 | 厦门法拉和信电子有限公司 | Two-step impregnation preparation method of hybrid aluminum electrolytic capacitor |
| CN112735864A (en) * | 2020-11-30 | 2021-04-30 | 珠海格力新元电子有限公司 | Heat treatment method before assembly of chip capacitor assembly |
| CN113593916A (en) * | 2021-08-03 | 2021-11-02 | 安远秦旭科技有限公司 | Preparation process of aluminum electrolytic capacitor special for electric vehicle controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2966119T3 (en) * | 2018-10-09 | 2024-04-18 | Capxon Electronic Tech Co Ltd | Hybrid aluminum electrolytic capacitor and manufacturing method thereof |
-
2022
- 2022-06-09 CN CN202210643473.8A patent/CN115172063B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002190434A (en) * | 2000-12-22 | 2002-07-05 | Jcc Engineering Co Ltd | Method and device for manufacturing solid aluminum electrolytic capacitor |
| JP2014187278A (en) * | 2013-03-25 | 2014-10-02 | Elna Co Ltd | Aluminum electrolytic capacitor |
| CN104005215A (en) * | 2014-06-03 | 2014-08-27 | 丛德奎 | Safety protection device for fast bedding dryer |
| CN105551806A (en) * | 2016-03-07 | 2016-05-04 | 湖南艾华集团股份有限公司 | Square liquid-state aluminum electrolytic capacitor with flexible package and manufacturing process thereof |
| CN106252084A (en) * | 2016-08-31 | 2016-12-21 | 深圳市兴创嘉科技有限公司 | A kind of manufacture method of liquid aluminum electrolytic capacitor |
| CN106783175A (en) * | 2016-08-31 | 2017-05-31 | 深圳市兴创嘉科技有限公司 | A kind of manufacture method of liquid aluminum electrolytic capacitor |
| CN109741952A (en) * | 2019-02-12 | 2019-05-10 | 赣州市柏瑞凯电子科技有限公司 | A kind of packaging technology of small size solid-state aluminum electrolytic capacitor |
| CN109708300A (en) * | 2019-02-23 | 2019-05-03 | 深圳雅素达电子科技有限公司 | A kind of manufacturing method of ceramic wafer heater and instant heating type fluid heater |
| CN110676055A (en) * | 2019-10-15 | 2020-01-10 | 厦门法拉和信电子有限公司 | Two-step impregnation preparation method of hybrid aluminum electrolytic capacitor |
| CN112735864A (en) * | 2020-11-30 | 2021-04-30 | 珠海格力新元电子有限公司 | Heat treatment method before assembly of chip capacitor assembly |
| CN113593916A (en) * | 2021-08-03 | 2021-11-02 | 安远秦旭科技有限公司 | Preparation process of aluminum electrolytic capacitor special for electric vehicle controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115172063A (en) | 2022-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210926140U (en) | High-safety lithium ion battery | |
| CN111600062B (en) | Formation method for improving cycle life of silicon-carbon soft package lithium ion battery | |
| CN104062597B (en) | The test device and triggering method of battery internal short-circuit | |
| CN105406130A (en) | Soft package lithium-ion battery formation method | |
| CN102376997B (en) | Battery system with temperature adjusting device | |
| CN206558614U (en) | Annular electrokinetic cell | |
| CN106784974A (en) | Annular electrokinetic cell | |
| CN111451353A (en) | Electromagnetic forming device for forming fluid impact plate and forming method thereof | |
| CN210296425U (en) | Integrated temperature self-adaptive polymer lithium battery intelligent device | |
| CN115172063B (en) | High-temperature packaging method for liquid aluminum electrolytic capacitor | |
| CN103594745A (en) | Method and device for improving performance of lithium ion battery | |
| CN205141031U (en) | Soft package lithium -ion battery and elecctronic incense cigarette thereof | |
| CN114824430A (en) | Method and device for adjusting flatness of battery case and battery manufacturing system | |
| CN117117275A (en) | Flow battery pile packaging method and pile thereof | |
| CN201440438U (en) | Polymer lithium electronic battery encapsulating equipment | |
| CN206059557U (en) | A kind of lithium ion battery | |
| CN213150877U (en) | Solid-state battery heating device | |
| CN212136481U (en) | Seal head assembly | |
| CN115295315A (en) | Preparation method of physical vacuum liquid aluminum electrolytic capacitor | |
| CN209692001U (en) | A kind of chipware, socket and electric car for electric car socket | |
| CN206849880U (en) | A kind of early warning lithium battery for being capable of waterproof | |
| CN111540848A (en) | Lithium ion battery aluminum plastic film and preparation method thereof | |
| CN219017727U (en) | Integrative encapsulation head structure is sealed on L type battery top | |
| CN201438395U (en) | Cable degassing system | |
| CN209200088U (en) | A kind of lithium ion battery top packaging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |