CN201425953Y - Button cell with individual sealing ring - Google Patents
Button cell with individual sealing ring Download PDFInfo
- Publication number
- CN201425953Y CN201425953Y CN200920147362.8U CN200920147362U CN201425953Y CN 201425953 Y CN201425953 Y CN 201425953Y CN 200920147362 U CN200920147362 U CN 200920147362U CN 201425953 Y CN201425953 Y CN 201425953Y
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- cover
- negative
- sidewall
- button cell
- 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 - Lifetime
Links
Images
Classifications
-
- Y02E60/12—
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a button cell with an individual sealing ring, which comprises a positive electrode shell (1), a negative electrode cover (2), a sealing ring (3) and a partition film (6), wherein a positive electrode material (7) is contained inside the positive electrode shell (1); the negative electrode cover (2) is fastened to the positive electrode shell (1), a negative electrode material (5) is contained inside the negative electrode cover (2); the partition film (6) is arranged inside the cell and separates the positive electrode material from the negative electrode material.The button cell with an individual sealing ring is characterized in that the positive electrode shell (1), the negative electrode cover (2) and the sealing ring (3) are independent parts, and the sealing ring (3) is disposed between the positive electrode shell (1) and the negative electrode cover (2). Sealing glue can be pasted to the inside and the outside of the separated sealing ring to fill gaps among the positive electrode shell, the negative electrode cover and the sealing ring after the cell is sealed, and the forming manner of the negative electrode cover can tightly press the sealingring after the cell is sealed, accordingly the sealing performance of the cell is greatly improved, the storage time of the cell and the service life of the button cell are prolonged.
Description
Technical field
The utility model relates to a kind of button cell, relates in particular to a kind of accessory battery anode cover, negative cover and sealing ring and separates separately, and the good battery of back preventing liquid leakage performance is sealed in combination.
Background technology
The utility model is disposable button cell, especially li-Mn button cell.Its accessory compound mode of li-Mn button cell that sell in existing market generally adopts anode cover+negative pole combination cover marginal not to mould sealing ring, be commonly called as Two Piece Set.
It is as shown in Figure 1, comprising that li-Mn button cell on the existing market is generally the Two Piece Set compound mode: anode cover 1, and negative cover 3, the negative cover marginal not is moulded sealing ring 2, above-mentioned unit construction finished product battery.Barrier film 6 is divided into 2 parts with inside battery, holds negative material 5 and positive electrode 7 respectively.
It is easily that battery is produced in Two Piece Set accessory assembling, but the battery surface after making smells and have some to make us uncomfortable penetrating odor, and this penetrating odor is that the electrolyte in the battery drains to the outside and sends.Because the electrolyte that lithium-manganese cell uses is to have volatile organic solvent, battery hermetization difference electrolyte drains to the battery outside, even be invisible to the naked eye on a small quantity, but also can smell electric liquid penetrating odor.
Two Piece Set accessory combination since sealing 3 for injection moulding on the limit of negative cover 2, thereby limited the forming mode of negative cover 1.In addition, sealing ring 3 outsides can not add fluid sealant water, so the battery hermetization aspect of making is relatively poor, battery surface smells has some to make us uncomfortable penetrating odor, electrolyte in the battery leaks, and causes inside battery to do solid the inefficacy, thereby influences depositing and useful life of battery.
Summary of the invention
The purpose of this utility model is to design a kind of favorable sealing property, the battery of resting period and long service life, the accessory battery that the utility model adopts: anode cover, negative cover and sealing ring separate separately, cooperate particular manufacturing craft and press to seal simultaneously, battery sealing-performance is better after sealing moulding, and battery surface does not have to smell makes us uncomfortable electric liquid penetrating odor.
The utility model provides a kind of button cell with independent sealing ring, comprises anode cover, negative cover, sealing ring, barrier film; Hold positive electrode in the anode cover; Negative cover is buckled on the anode cover, and its inside holds negative material; Barrier film is arranged on inside battery, and positive electrode and negative material are separated; It is characterized in that: anode cover, negative cover and sealing ring are independent parts, and sealing ring is arranged between anode cover and the negative cover.
In addition, negative cover is the cup type, comprises negative cover end face and negative cover sidewall; The end of negative cover sidewall is for directly tabular.
In addition, the junction of negative cover sidewall and negative cover end face is the negative cover recess.
Further, sealing ring comprises sealing ring sidewall and sealing ring bottom; The sealing ring sidewall is the ring around the negative cover sidewall; The sealing ring bottom is bent upwards out a bend, has formed a groove between sealing ring bend and the sealing ring sidewall.
Further, the end of negative cover sidewall is inserted in the groove that forms between sealing ring bend and the sealing ring sidewall.
In addition, anode cover comprises anode cover bottom surface and sidewall; The anode cover sidewall is coated on the outside of negative cover sidewall and sealing ring sidewall.
In addition, the terminal end towards the negative cover end face with sealing ring 31 of anode cover sidewall presses and leans against on the negative cover recess.
In addition, the end of barrier film is formed with bending part, the bend that bending part comes out towards last bending against sealing ring.
In addition, anode cover and negative cover are sheet metal, and sealing ring is a sizing material.
Further, have convex shape or concave body on the battery cathode hd top face.
In addition, above-mentioned convex shape or concave body are salient point or concave point.
In addition, sealing ring scribbles a layer fluid sealant water layer, and the end of negative cover sidewall also scribbles the fluid sealant water layer, and negative cover puts sealing ring and forms the negative pole combination cover.
The utility model is a kind of li-Mn button cell, it relates generally to the textural association of battery, the accessory battery anode cover, negative cover, sealing ring separates separately, its molding mode that is mainly negative cover is no flanging, and can be stained with sealing glue inside and outside cooperating the sealing ring separate separately, can fill the space between anode cover and negative cover and sealing ring behind the battery seal, and the molding mode of negative cover can compress sealing ring after sealing, improve battery hermetization greatly, prolong battery storing time and useful life.
Description of drawings
Fig. 1 is prior art button cell assembling parts cutaway views;
The profile of Fig. 2 the utility model button cell cathode cover and sealing ring;
Parts profile after the assembling of Fig. 3 the utility model button cell.
Embodiment
Overall structure of the present utility model is same as the prior art, includes anode cover 1, negative cover 2, sealing ring 3, barrier film 6.
As shown in Figure 2, negative cover 2 integral body of the present utility model are the cup type, comprise negative cover end face 21 and negative cover sidewall 22.The end of negative cover sidewall 22 is for directly tabular, and negative cover sidewall 22 forms negative cover recess 23 with the junction of negative cover end face 21.To engage the effect of the above-mentioned negative cover recess 23 of structrual description of anode cover 1 below.
The structure of anode cover 1 comprises anode cover bottom surface and sidewall as shown in Figure 3.The anode cover sidewall is coated on the outside of negative cover sidewall 22 and sealing ring sidewall 31, and when assembled battery, anode cover sidewall end is pressed against the end towards the negative cover end face of sealing ring 31 on the negative cover recess 9 tightly, thereby forms sealing closely.
Barrier film 6 is formed with bending part 10, the bend that bending part 10 is bent upwards out against sealing ring 3.
Can punching press on the battery cathode hd top face 2 or form convex shape or concave body by alternate manner, be preferably salient point or concave point.
Before the assembled battery, earlier sealing ring 3 is coated with last layer fluid sealant water layer 8, the end of negative cover sidewall 22 is also coated sealing glue, then negative cover is put the sealing ring that is coated with sealing glue, thereby forms the negative pole combination cover.
The negative pole combination cover of assembling lid and general Two Piece Set make up equally conveniently like this, add negative material 5 respectively at negative pole combination cover 4, barrier film 6, positive electrode 7, after injecting electrolyte, cover anode cover 1, and be positioned over particular manufacturing craft and press seals moulding.After sealing moulding, anode cover 1 and negative cover 2 partly all have sealing glue with sealing ring 3 contact seals, negative cover compression seal circle, thus form a kind of sealing property battery preferably.
Embodiment 1: with said method assembling CR2032 battery, battery surface does not all have to smell makes us uncomfortable electric liquid penetrating odor, and examination is positioned over high-temperature cabinet build-in test anti-leakage performance with battery, and makes up battery of the same type relatively with Two Piece Set, and the result is as follows:
High temperature is deposited 100 days test results for 60 ℃, and the battery leakage rate of the utility model combination is 0%, and sealing property is better, and the battery leakage rate of Two Piece Set combination is 30%, and sealing property is relatively poor.
Weight-loss ratio behind the battery storing high temperature can also be seen the sealing property of battery in addition, following test:
Weight-loss ratio behind the battery storing high temperature more as can be seen, the battery of Two Piece Set combination is higher 2～3 times than the battery weight-loss ratio of the utility model combination, and is better than the battery sealing-performance that common Two Piece Set makes up from the battery of the utility model combination more as can be seen.
The battery hermetization of the utility model combination is good, battery surface does not have to smell makes us the sharp thorn of uncomfortable electric liquid smell, with eliminate the misgivings of destroying electrical appliance because of battery leakage, and the weight-loss ratio behind the battery storing high temperature is low, illustrate that its failure rate is low, the resting period of battery and longer service life.
Claims (12)
1. the button cell with independent sealing ring comprises anode cover (1), negative cover (2), sealing ring (3), barrier film (6); Hold positive electrode (7) in the anode cover (1); Negative cover (2) is buckled on the anode cover (1), and its inside holds negative material (5); Barrier film (6) is arranged on inside battery, and positive electrode and negative material are separated;
It is characterized in that:
Anode cover (1), negative cover (2) and sealing ring (3) are independent parts, and sealing ring (3) is arranged between anode cover (1) and the negative cover (2).
2. button cell according to claim 1 is characterized in that:
Negative cover (2) is the cup type, comprises negative cover end face (21) and negative cover sidewall (22); The end of negative cover sidewall (22) is for directly tabular.
3. button cell according to claim 1 and 2 is characterized in that:
Negative cover sidewall (22) is negative cover recess (23) with the junction of negative cover end face (21).
4. button cell according to claim 1 and 2 is characterized in that:
Sealing ring (3) comprises sealing ring sidewall (31) and sealing ring bottom (32); Sealing ring sidewall (31) is the ring around negative cover sidewall (22); Sealing ring bottom (32) is bent upwards out a bend, has formed a groove (33) between sealing ring bend and the sealing ring sidewall.
5. button cell according to claim 4 is characterized in that:
The end of negative cover sidewall (22) is inserted in the groove (33) that forms between sealing ring bend and the sealing ring sidewall.
6. button cell according to claim 5 is characterized in that:
Anode cover (1) comprises anode cover bottom surface and sidewall; The anode cover sidewall is coated on the outside of negative cover sidewall (22) and sealing ring sidewall (31).
7. button cell according to claim 6 is characterized in that:
The terminal end towards the negative cover end face with sealing ring 31 of anode cover sidewall presses and leans against on the negative cover recess (23).
8. button cell according to claim 4 is characterized in that:
The end of barrier film (6) is formed with bending part (10), the bend that bending part (10) comes out towards last bending against sealing ring (3).
9. button cell according to claim 1 is characterized in that:
Anode cover (1) and negative cover (2) are sheet metal, and sealing ring (3) is a sizing material.
10. button cell according to claim 1 is characterized in that:
The battery cathode hd top face has convex shape or concave body on (2).
11. button cell according to claim 10 is characterized in that:
Above-mentioned convex shape or concave body are salient point or concave point.
12. button cell according to claim 4 is characterized in that:
Sealing ring (3) scribbles a layer fluid sealant water layer (8), and the end of negative cover sidewall (22) also scribbles the fluid sealant water layer, and negative cover puts sealing ring and forms negative pole combination cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920147362.8U CN201425953Y (en) | 2009-04-24 | 2009-04-24 | Button cell with individual sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920147362.8U CN201425953Y (en) | 2009-04-24 | 2009-04-24 | Button cell with individual sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425953Y true CN201425953Y (en) | 2010-03-17 |
Family
ID=42025407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920147362.8U Expired - Lifetime CN201425953Y (en) | 2009-04-24 | 2009-04-24 | Button cell with individual sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425953Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795515A (en) * | 2014-01-16 | 2015-07-22 | 刘膑 | Button cell cover membrane combination body manufacturing method |
| CN107785611A (en) * | 2016-08-24 | 2018-03-09 | 常州安伊达电源科技有限公司 | A kind of high temperature resistant button type lithium-manganese battery |
| CN108054303A (en) * | 2017-11-22 | 2018-05-18 | 王生义 | Prismatic battery or button cell |
| WO2019100516A1 (en) * | 2017-11-22 | 2019-05-31 | 王生义 | Columnar battery or button battery |
| CN110323368A (en) * | 2019-07-05 | 2019-10-11 | 东莞胜力电池实业有限公司 | A kind of zinc air button cell and preparation method thereof |
| CN110729507A (en) * | 2018-07-17 | 2020-01-24 | 宁德时代新能源科技股份有限公司 | Secondary battery and method for manufacturing secondary battery |
| CN115312927A (en) * | 2022-10-09 | 2022-11-08 | 楚能新能源股份有限公司 | Battery top cover, cylindrical battery and preparation process |
-
2009
- 2009-04-24 CN CN200920147362.8U patent/CN201425953Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795515A (en) * | 2014-01-16 | 2015-07-22 | 刘膑 | Button cell cover membrane combination body manufacturing method |
| CN104795515B (en) * | 2014-01-16 | 2017-04-26 | 东莞市昂力电池科技有限公司 | Button cell cover membrane combination body manufacturing method |
| CN107785611A (en) * | 2016-08-24 | 2018-03-09 | 常州安伊达电源科技有限公司 | A kind of high temperature resistant button type lithium-manganese battery |
| CN108054303A (en) * | 2017-11-22 | 2018-05-18 | 王生义 | Prismatic battery or button cell |
| WO2019100516A1 (en) * | 2017-11-22 | 2019-05-31 | 王生义 | Columnar battery or button battery |
| CN110729507A (en) * | 2018-07-17 | 2020-01-24 | 宁德时代新能源科技股份有限公司 | Secondary battery and method for manufacturing secondary battery |
| CN110729507B (en) * | 2018-07-17 | 2021-11-09 | 宁德时代新能源科技股份有限公司 | Secondary battery and method for manufacturing secondary battery |
| CN110323368A (en) * | 2019-07-05 | 2019-10-11 | 东莞胜力电池实业有限公司 | A kind of zinc air button cell and preparation method thereof |
| CN115312927A (en) * | 2022-10-09 | 2022-11-08 | 楚能新能源股份有限公司 | Battery top cover, cylindrical battery and preparation process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201425953Y (en) | Button cell with individual sealing ring | |
| CN204966553U (en) | Miniature button cell of lithium | |
| CN102044681A (en) | Manufacturing method for button cell and button cell | |
| CN201590436U (en) | Button cell and positive case thereof | |
| CN202495486U (en) | Mercury-free zinc-manganese and zinc-silver button battery | |
| CN201307607Y (en) | Sealing ring of alkaline button type battery | |
| CN207459092U (en) | A kind of button lithium ion battery | |
| CN106058120B (en) | Battery current collector and alkaline battery | |
| CN200990393Y (en) | Battery case body and battery produced with the same battery case body | |
| CN206774589U (en) | Plastic molded type battery electrode body | |
| CN203491314U (en) | Positive electrode cap of zinc-manganese battery | |
| CN102646798B (en) | Zinc-manganese battery and preparation method thereof | |
| CN201332116Y (en) | Mercury-free alkaline button cell | |
| CN203871385U (en) | Battery | |
| CN201060898Y (en) | Plastic shell zinc-manganese dry cell | |
| CN205595406U (en) | alkaline zinc-manganese battery | |
| CN205882039U (en) | Battery collector body and alkaline battery | |
| CN217468599U (en) | Negative steel shell and button type lithium ion battery | |
| CN205543128U (en) | Cylindrical nickel -hydrogen battery | |
| CN213026279U (en) | Battery shell assembly and battery | |
| US3898104A (en) | Cylindrical electrical batteries | |
| CN204793036U (en) | Alkaline environment-friendly zinc-manganese battery current collector | |
| CN202977545U (en) | Novel lead-acid battery tank | |
| CN101615691B (en) | Small-sized sealing nickel hydride charging button cell and preparation method thereof | |
| CN205303582U (en) | Lithium iron disulfide battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100317 |