CN216671410U - Fully-sealed super capacitor battery cover and battery - Google Patents
Fully-sealed super capacitor battery cover and battery Download PDFInfo
- Publication number
- CN216671410U CN216671410U CN202122630344.9U CN202122630344U CN216671410U CN 216671410 U CN216671410 U CN 216671410U CN 202122630344 U CN202122630344 U CN 202122630344U CN 216671410 U CN216671410 U CN 216671410U
- Authority
- CN
- China
- Prior art keywords
- battery
- battery cover
- protection ring
- cover plate
- central pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 121
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 37
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000007797 corrosion Effects 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 4
- 238000005219 brazing Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000005388 borosilicate glass Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000004927 fusion Effects 0.000 claims 2
- 239000003513 alkali Substances 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a fully-sealed super-capacitor battery cover and a battery, comprising a battery cover plate; a central hole is formed in the center of the battery cover plate, a central pole column penetrates through the central hole of the battery cover plate, and an annular gap is formed between the central pole column and the battery cover plate; the insulating sealing body and the sealing protection ring are tightly inserted in the annular gap and are sequentially sleeved outside the central pole; the sealing protection ring is tightly arranged at the end part of the insulating sealing body and is arranged close to one side inside the battery; the sealing protection ring has strong acid or strong alkali corrosion resistance; the aluminum cap is a cylindrical shell structure with an opening at one end, is fixedly arranged at the end part of the central pole and is close to one end inside the battery; the open end of the aluminum cap extends into the sealing protection ring; according to the utility model, the aluminum cap is arranged at the end part of the central pole, so that the central pole is effectively prevented from being ionized after the battery is charged, and the performance of the battery is improved.
Description
Technical Field
The utility model relates to the technical field of battery electrode sealing, in particular to a fully-sealed super capacitor battery cover and a battery.
Background
With the development of the technology of the internet of things and the demand of a new energy market, the requirements on the technical performance of the super capacitor battery are higher and higher, particularly on the aspects of safety and reliability; at present, most of super capacitor battery structures in the market adopt a semi-sealing structure or a metal-glass sealing and sealing mode; the semi-sealing structure is a high polymer material riveting sealing structure, and the metal-glass sealing mode usually adopts a glass sealing structure with molybdenum as a metal pole.
The conventional riveting and sealing structure for the high polymer material has the defects that the service life of the high polymer material is limited, the high polymer material is not resistant to high temperature or low temperature, and structural failure is easy to occur after high-low temperature impact, so that the leakage of the battery is caused; the molybdenum is used as a glass sealing structure of the metal pole, the molybdenum and the aluminum in the battery are required to be welded in the manufacturing process, the difference of melting point and temperature between the molybdenum and the aluminum is too high, and the sealing effect of the glass sealing is easily damaged by the high temperature generated in the welding process; when other metals are used as the central pole for glass sealing, under the condition of charging the battery, the center of the metal material is ionized, the performance of the battery is damaged, and finally the battery fails.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model provides a fully-sealed super-capacitor battery cover and a battery, and aims to solve the technical problems that the battery cover in the prior art is poor in sealing effect, the battery performance is easily affected, and the battery fails.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a fully-sealed super capacitor battery cover, which comprises a central pole, a battery cover plate, an insulating sealing body, a sealing protection ring and an aluminum cap, wherein the central pole is arranged on the battery cover plate;
a central hole is formed in the center of the battery cover plate, a central pole column penetrates through the central hole of the battery cover plate, and an annular gap is formed between the central pole column and the battery cover plate; the insulating sealing body and the sealing protection ring are tightly inserted in the annular gap and are sequentially sleeved outside the central pole; the sealing protection ring is tightly arranged at the end part of the insulating sealing body and is arranged close to one side inside the battery;
the aluminum cap is a cylindrical shell structure with an opening at one end, is fixedly arranged at the end part of the central pole and is close to one end inside the battery; the open end of the aluminum cap extends into the sealing protection ring.
Furthermore, the sealing and sealing protection ring is made of epoxy resin.
Furthermore, the sealing protection ring is of a circular structure, the inner side of the sealing protection ring is connected with the central pole in a sealing manner, and the outer side of the sealing protection ring is connected with the central hole wall of the battery cover plate in a sealing manner; the sealing protection ring is connected with the contact surface of the insulating sealing body in a sealing way.
Furthermore, the central pole is an aluminum pole, and the aluminum cap and the central pole are fixed by welding.
Furthermore, the battery cover plate is a stainless steel cover plate.
Furthermore, the insulating sealing body is of a hollow cylinder structure, the inner side of the insulating sealing body is connected with the central pole in a melting mode, and the outer side of the insulating sealing body is connected with the central hole wall of the battery cover plate in a melting mode.
Furthermore, the insulating sealing body is made of high borosilicate glass.
The utility model also provides a battery, which comprises a battery cover, a battery tab and a battery shell, wherein the battery cover adopts the fully-sealed super capacitor battery cover, and the fully-sealed super capacitor battery cover is welded and fixed with the battery shell; the battery tab is made of aluminum strip, and the aluminum strip and the aluminum cap are welded and fixed by resistance welding.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a fully-sealed super capacitor battery cover, which effectively improves the sealing property and the sealing strength between a central pole and a battery cover plate by arranging an insulating sealing body between the central pole and the battery cover plate; the end part of the insulating sealing body is provided with the sealing protection ring to form protection on the insulating sealing body, so that the corrosion of the battery electrolyte on the insulating sealing body is avoided, and the sealing property of the battery cover is effectively improved; the aluminum cap is arranged at the end part of the central pole, so that ionization of the central pole after the battery is charged is effectively avoided, and the performance of the battery is improved.
Furthermore, the aluminum cap and the central pole are welded and fixed by brazing solder, the processing process is simple, and the structural stability and the sealing performance are good.
Furthermore, the sealing protection ring is made of epoxy resin, and the epoxy resin has strong acid and strong alkali corrosion resistance, so that the corrosion of the battery electrolyte to the insulating sealing body is avoided, and the sealing performance of the battery cover is effectively improved.
The utility model also provides a battery, and the battery cover of the fully-sealed super capacitor, which has corrosion resistance and good sealing performance, is adopted, so that the temperature resistance of the battery is improved, the service life of the battery is prolonged, and the performance of the battery is stable.
Drawings
FIG. 1 is a longitudinal sectional view of a fully sealed supercapacitor cell cover according to the present invention;
FIG. 2 is a schematic plan view of a fully sealed supercapacitor cover according to the present invention;
FIG. 3 is a schematic diagram of a battery according to the present invention;
fig. 4 is a schematic diagram of a manufacturing process of the fully-sealed supercapacitor cover according to the present invention.
The battery comprises a central pole 1, a battery cover plate 2, an insulating sealing body 3, a sealing protection ring 4, an aluminum cap 5, a battery shell 6, a battery tab 7 and a brazing solder 8, wherein the central pole is connected with the battery cover plate through a brazing filler metal; 21 pour hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in the attached drawings 1-2, the utility model provides a fully-sealed super capacitor battery cover, which comprises a central pole 1, a battery cover plate 2, an insulating sealing body 3, a sealing protection ring 4 and an aluminum cap 5; a central hole is formed in the center of the battery cover plate 2, the central pole 1 penetrates through the central hole of the battery cover plate 2, and an annular gap is formed between the central pole 1 and the battery cover plate 2; the insulating sealing body 3 and the sealing protection ring 4 are tightly inserted in the annular gap and are sequentially sleeved outside the central pole 1; the sealing protection ring 4 is tightly arranged at the end part of the insulating sealing body 3 and is arranged close to one side inside the battery; the aluminum cap 5 is a cylindrical shell structure with an opening at one end, and the aluminum cap 5 is fixedly arranged at the end part of the central pole 1 and is close to one end inside the battery; the open end of the aluminium cap 5 extends into the sealing and protection ring 4.
The central pole 1 is an iron-based pole, and the aluminum cap 5 and the central pole 1 are welded and fixed by brazing solder 8; the battery cover plate 2 is made of stainless steel, the battery cover plate 2 is provided with a liquid injection hole 21, and electrolyte is injected into the battery through the liquid injection hole 21; the insulating sealing body 3 is of a hollow cylindrical structure, the inner side of the insulating sealing body 3 is connected with the central pole 1 in a melting mode, and the outer side of the insulating sealing body 3 is connected with the central hole wall of the battery cover plate 2 in a melting mode; preferably, the insulating sealing body 3 is made of high borosilicate glass; the sealing protection ring 4 has strong acid or strong alkali corrosion resistance; preferably, the sealing protection ring 4 is made of epoxy resin; the sealing protection ring 4 is of a circular structure, the inner side of the sealing protection ring 4 is connected with the central pole 1 in a sealing way, and the outer side of the sealing protection ring 4 is connected with the central hole wall of the battery cover plate 2 in a sealing way; the sealing protection ring 4 is in sealing contact with the contact surface of the insulating sealing body 3.
According to the fully-sealed super capacitor battery cover, the insulating sealing body is arranged between the central pole and the battery cover plate, so that the sealing property and the sealing strength between the central pole and the battery cover plate are effectively improved; the end part of the insulating sealing body is provided with the sealing protection ring to form protection on the insulating sealing body, so that the corrosion of the battery electrolyte on the insulating sealing body is avoided, and the sealing property of the battery cover is effectively improved; the aluminum cap is arranged at the end part of the central pole, so that the central pole is effectively prevented from being ionized after the battery is charged, and the performance of the battery is improved.
As shown in fig. 3, the utility model further provides a battery, which comprises a battery cover, a battery tab and a battery shell, wherein the battery cover adopts the fully-sealed super-capacitor battery cover, and the fully-sealed super-capacitor battery cover is welded and fixed with the battery shell; the battery tab 7 is made of an aluminum strip, and the aluminum strip and the aluminum cap 5 are welded and fixed by resistance welding; according to the utility model, the fully-sealed super capacitor battery cover with corrosion resistance and good sealing performance is adopted, so that the temperature resistance of the battery is improved, the service life of the battery is prolonged, and the performance of the battery is stable; the battery is a lithium battery or a super capacitor battery, and the battery is high in temperature resistance, long in service life and stable in performance.
The utility model relates to a method for manufacturing a fully-sealed super capacitor battery cover as shown in the attached figure 4, which comprises the following steps:
And 2, covering the aluminum cap 5 on the end part of the central pole 1, uniformly filling brazing solder 8 between the aluminum cap 5 and the central pole 1, heating to 240 ℃ and 260 ℃, preserving heat for 1-2min, and cooling along with a furnace to enable the aluminum cap 5 and the central pole 1 to be welded and fixed.
The manufacturing method of the fully-sealed super capacitor battery cover is simple, the glass fixing body, the central pole and the battery cover plate are connected in a melting mode in a high-temperature environment, sealing and sealing of the battery cover plate and the central pole are achieved, internal stress generated due to the fact that the difference of thermal expansion coefficients of different materials is too large in sealing is eliminated through cooling treatment, and the reliability of sealing of the battery cover is guaranteed; the glass fixing ring is connected with the central pole and the battery cover plate in a melting mode in a high-temperature environment, so that the sealing performance of the battery cover plate and the central pole is improved.
The above description is only illustrative of the preferred embodiments of the present invention, and any structural changes, improvements, modifications, etc. made without departing from the principle of the present invention are deemed to be within the scope of the present invention.
Claims (8)
1. A fully-sealed super capacitor battery cover is characterized by comprising a central pole (1), a battery cover plate (2), an insulating sealing body (3), a sealing protection ring (4) and an aluminum cap (5);
a center hole is formed in the center of the battery cover plate (2), the center pole column (1) penetrates through the center hole of the battery cover plate (2), and an annular gap is formed between the center pole column (1) and the battery cover plate (2); the insulating sealing body (3) and the sealing protection ring (4) are tightly inserted in the annular gap and are sequentially sleeved outside the central pole column (1); the sealing protection ring (4) is tightly arranged at the end part of the insulating sealing body (3) and is arranged close to one side inside the battery; the sealing protection ring (4) has strong acid or strong base corrosion resistance;
the aluminum cap (5) is a cylindrical shell structure with an opening at one end, and the aluminum cap (5) is fixedly arranged at the end part of the central pole (1) and is close to one end inside the battery; the open end of the aluminum cap (5) extends into the sealing protection ring (4).
2. The fully sealed supercapacitor cover according to claim 1, wherein the sealing protection ring (4) is made of epoxy resin.
3. The fully-sealed super capacitor battery cover according to claim 1, wherein the sealing protection ring (4) is of a circular structure, the inner side of the sealing protection ring (4) is hermetically connected with the central pole (1), and the outer side of the sealing protection ring (4) is hermetically connected with the central hole wall of the battery cover plate (2); the sealing protection ring (4) is in sealing connection with the contact surface of the insulating sealing body (3).
4. The fully-sealed super capacitor battery cover according to claim 1, wherein the central pole (1) is an iron-based pole, and the aluminum cap (5) and the central pole (1) are welded and fixed by brazing solder.
5. The fully sealed supercapacitor cover according to claim 1, wherein the cover plate (2) is made of stainless steel.
6. The fully-sealed super capacitor battery cover according to claim 1, wherein the insulating sealing body (3) is of a hollow cylinder type structure, the inner side of the insulating sealing body (3) is in fusion connection with the central pole (1), and the outer side of the insulating sealing body (3) is in fusion connection with the central hole wall of the battery cover plate (2).
7. The fully-sealed supercapacitor cover according to claim 1, wherein the insulating sealing body (3) is made of high borosilicate glass.
8. A battery comprises a battery cover, a battery tab and a battery shell, and is characterized in that the battery cover adopts a full-sealed super capacitor battery cover as claimed in any one of claims 1 to 7, and the full-sealed super capacitor battery cover is welded and fixed with the battery shell; the battery tab (7) is made of an aluminum strip, and the aluminum strip and the aluminum cap (5) are welded and fixed by resistance welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122630344.9U CN216671410U (en) | 2021-10-29 | 2021-10-29 | Fully-sealed super capacitor battery cover and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122630344.9U CN216671410U (en) | 2021-10-29 | 2021-10-29 | Fully-sealed super capacitor battery cover and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216671410U true CN216671410U (en) | 2022-06-03 |
Family
ID=81788327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122630344.9U Expired - Fee Related CN216671410U (en) | 2021-10-29 | 2021-10-29 | Fully-sealed super capacitor battery cover and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216671410U (en) |
-
2021
- 2021-10-29 CN CN202122630344.9U patent/CN216671410U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |