CN108172700A - Button cell and preparation method thereof - Google Patents
Button cell and preparation method thereof Download PDFInfo
- Publication number
- CN108172700A CN108172700A CN201711350314.4A CN201711350314A CN108172700A CN 108172700 A CN108172700 A CN 108172700A CN 201711350314 A CN201711350314 A CN 201711350314A CN 108172700 A CN108172700 A CN 108172700A
- Authority
- CN
- China
- Prior art keywords
- electric conductor
- head cover
- fairlead
- button cell
- housing
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title description 3
- 239000004020 conductor Substances 0.000 claims abstract description 55
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 2
- 238000001746 injection moulding Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The present invention relates to a kind of button cells, and including housing and the electrode isolation component being set in the housing, the electrode isolation component includes at least one anode and at least one cathode；The housing includes conductive head cover, and the head cover is electrically connected at least one anode and at least one cathode alternative one；The head cover includes at least one fairlead, electric conductor is equipped at least one fairlead, it is provided with the insulating seal for insulating with the head cover between the hole wall and the electric conductor of at least one fairlead, another electric connection of both the electric conductor and at least one anode and described at least one cathode；The electric conductor of the button cell is integrally formed to an assembly with insulating seal, small, easy to assembly.
Description
Technical field
The present invention relates to a kind of battery, more specifically to a kind of button cell and preparation method thereof.
Background technology
Button cell in known technology generally includes the housing being made of two conductive case halfs, two shells
Body half portion is respectively lower casing and head cover.In general, lower casing has positive polarity, head cover has negative polarity, and positive and negative electrode is located at button electricity
The both ends in pond.When some application scenarios are if desired for installation protection board, because the positive and negative input interface of protection board is respectively required for and button
The positive and negative electrode of battery is electrically connected, therefore its negative input interface is drawn from head cover, and positive input interface is then drawn simultaneously from lower casing
Along housing around to the top of head cover, space availability ratio is relatively low.
In Chinese patent application, No. 201710901425.3 provides a kind of button cell, the housing packet of the button cell
Conductive end wall is included, which includes at least one fairlead, is equipped with electric conductor at least one fairlead, this at least one
The insulating seal for insulating with the end wall is provided between the hole wall of a fairlead and the electric conductor.The button cell
The electric conductor with the end wall and on the end wall is electrically connected positive and negative electrode respectively, thus all in the same of the button cell
Side.But the electric conductor of the button cell and insulating seal structural volume are big, assembling is inconvenient.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of improved button
Battery.
The technical solution adopted by the present invention to solve the technical problems is：A kind of button cell is constructed, including at least one
A anode and at least one cathode；The housing includes conductive head cover, the head cover and at least one anode and institute
At least one cathode alternative one is stated to be electrically connected；The head cover includes at least one fairlead, at least one fairlead
It is interior to be equipped with electric conductor, it is provided with to insulate with the head cover between the hole wall and the electric conductor of at least one fairlead
Insulating seal, the electric conductor electrically connects with the another of both at least one anode and at least one cathode
It connects；The electric conductor is integrally formed to an assembly with the insulating seal.
In some embodiments, the anode is electrically connected with the head cover, and the cathode electrically connects with the electric conductor
It connects.
In some embodiments, the button cell further includes liquid injection hole, for injecting electrolyte into housing.
In some embodiments, the liquid injection hole is same with the fairlead.
In some embodiments, the electric conductor and the insulating seal integrated injection molding, the insulating seal
Hermetically plug is set in the fairlead, and the electric conductor is longitudinally arranged in the insulating seal, and its both ends is respectively from this
Expose at the both ends of insulating seal.
In some embodiments, the electric conductor is in rigidity.
In some embodiments, the electric conductor is in flexibility.
In some embodiments, the housing and including cylindric lower casing of the top equipped with opening and in tabular cover
Head cover in the opening, the periphery of the head cover are hermetically tied by way of laser welding with the edge of opening of the lower casing
It is combined.
In some embodiments, the button cell further includes the fixed plate being arranged on above the insulating seal, uses
In fixation of the insulating seal in the fairlead.
The present invention also provides a kind of button cell production method, the button cell includes housing and is set to the housing
Interior electrode isolation component, the electrode isolation component include at least one anode and at least one cathode；The housing includes
Lower casing and matched conductive head cover, the head cover and at least one anode and at least one cathode two
One of person electric connection；The head cover includes at least one fairlead, and electric conductor is equipped at least one fairlead, described
The insulating seal for insulating with the head cover is provided between the hole wall of at least one fairlead and the electric conductor, it is described
Another electric connection of both electric conductor and at least one anode and at least one cathode；The electric conductor with it is described
Insulating seal is integrally formed to an assembly；Described method includes following steps：
(1) lower casing and head cover are provided, and fairlead is formed on head cover, electrode isolation component is set in lower casing；It carries
An assembly is integrally formed to for insulating seal and electric conductor, and by insulating seal and electric conductor；
(2) head cover is mounted on lower casing, forms housing；
(3) the assembly plug is set in fairlead.
Implement the present invention at least to have the advantages that：The electric conductor of the button cell and insulated enclosure body by integral forming
It is small into an assembly, it is easy to assembly；Moreover, liquid injection hole can be same with fairlead, it is complete by fairlead fluid injection
Cheng Hou fills in the assembly of electric conductor and insulating seal, without additionally opening up liquid injection hole.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the longitudinal profile structure schematic of the button cell in some embodiments of the invention.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that make to understand more the disclosure
Add thorough and comprehensive.
It should be noted that unless otherwise clearly defined and limited, term " setting ", " installation ", " connected ", " connection "
It should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connected；Can be that machinery connects
It connects or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Fig. 1 shows the button cell in some embodiments of the invention, which includes the housing 1 of sealing, electrode
Barrier assembly 2, insulating seal 3 and electric conductor 4.Housing 1 includes the lower casing 11 and matched that top has opening
Conductive head cover 12, opens up that there are one fairleads 123 on the head cover 12.It is to be appreciated that the quantity of the fairlead 123 is not yet
One is confined to, two or more can also be applied.Electrode isolation component 2 is set in the housing 1, including at least one
A anode 21 and at least one cathode 22 and the slider 23 between anode 21 and cathode 22, anode 21 and 12 electricity of head cover
Property connection, cathode 22 is electrically connected with electric conductor 4.It is to be appreciated that in some embodiments, it is also possible to it is cathode 22 and head cover
12 are electrically connected, and anode 21 is electrically connected with electric conductor 4.Insulating seal 3 and electric conductor 4 are integrally formed to an assembly.
4 longitudinal direction of electric conductor is arranged in insulating seal 3, and its both ends is exposed respectively from the both ends of insulating seal 3.Insulating seal
3 hermetically fill in fairlead 123, and electric conductor 4 and 12 phase of head cover are insulated.
Again as shown in Figure 1, housing 1 can be in some embodiments oblate column, including flat bottom region and therewith
Parallel flat top region.Housing 1 may include that top is equipped with the cylindric lower casing 11 of opening, head cover 12 in some embodiments
In tabular and it is covered in the opening.Lower casing 11 and head cover 12 can be used metal material and be made, and the periphery of head cover 12 can lead to
The mode and the edge of opening of lower casing 11 for crossing laser welding are sealingly joined together.In some embodiments, on head cover 12 also
It can open up there are one liquid injection hole (not shown), for injecting electrolyte into housing 1.The button cell may also include closeouts
(not shown) after being completed in fluid injection, which is blocked.
The form of helix windings can be used in electrode isolation component 2, can also use the form of lamination.Reality shown in Fig. 1
It applies in example, electrode isolation component 2 is the form of helix windings, and its central axes is overlapped with the central axes of housing 1.
Preferably, insulating seal 3 and electric conductor 4 can be used the mode of integrated injection molding and form an assembly.
In some embodiments, electric conductor 4 can be used rigid conductive material and be made, to enhance crushing resistance.In further embodiments, it leads
Electric body 4 can also be used flexible conductive material and be made, and in this way when needing to install the occasion of protection board, electric conductor 4 can be direct
Protection board or load are connected, does not need to extra soldered conducting wire.
It is to be appreciated that the invention uses insulating seal 3 and 4 integrally formed mode of electric conductor, volume can be reduced,
Ease of assembly.And such mode is used, liquid injection hole can be same with fairlead 123, be completed by 123 fluid injection of fairlead
Afterwards, it fills in insulating seal 3 and the assembly of electric conductor 4 is sealed, without additionally opening up liquid injection hole.
In some embodiments, which further includes the fixed plate 5 for being arranged on 3 top of insulating seal, for exhausted
Fixation of the edge seal 3 in fairlead 123.
Following steps can be used when making in above-mentioned button cell：
(1) lower casing 11 and head cover 12 are provided, fairlead 123 is formed on head cover 12；
(2) insulating seal 3 and electric conductor 4 are provided, and by insulating seal 3 and electric conductor 4
Integrated injection molding is into an assembly；
(3) electrode isolation component 2 is set in lower casing 1；
(4) electrolyte is injected into housing 1 by fairlead 123；
(5) head cover 12 is welded in the opening of lower casing 11 by way of laser welding, is formed
Housing 1；
(6) assembly formed after 4 integrated injection molding of insulating seal 3 and electric conductor is filled in
Into fairlead 123；
(7) mounting plate 5.
Above-mentioned label does not represent sequencing, those skilled in the art said sequence can be converted and not from
Open protection scope of the present invention.
It should be understood that above example only expresses the preferred embodiment of the present invention, description is more specific and detailed
Carefully, but can not the limitation to the scope of the claims of the present invention therefore be interpreted as；It should be pointed out that the common skill for this field
For art personnel, without departing from the inventive concept of the premise, above-mentioned technical characterstic can be freely combined, can also done
Go out several modifications and improvements, these belong to protection scope of the present invention；Therefore, it is all to be done with scope of the invention as claimed
Equivalents and modification, should all belong to the covering scope of the claims in the present invention.
Claims (10)
1. a kind of button cell, including housing and the electrode isolation component being set in the housing, the electrode isolation component
Including at least one anode and at least one cathode；The housing includes conductive head cover, the head cover and described at least one
A anode and at least one cathode alternative one are electrically connected；The head cover include at least one fairlead, it is described at least
Electric conductor is equipped in one fairlead, be provided between the hole wall and the electric conductor of at least one fairlead for institute
The insulating seal of head cover insulation is stated, the electric conductor is another with both at least one anode and at least one cathode
One is electrically connected, which is characterized in that the electric conductor is integrally formed to an assembly with the insulating seal.
2. button cell according to claim 1, which is characterized in that the anode is electrically connected with the head cover, described
Cathode is electrically connected with the electric conductor.
3. button cell according to claim 1, which is characterized in that the button cell further includes liquid injection hole, for past
Electrolyte is injected in housing.
4. button cell according to claim 3, which is characterized in that the liquid injection hole is same with the fairlead.
5. button cell according to claim 1, which is characterized in that the electric conductor is integrally noted with the insulating seal
Type is moulded into, the insulating seal is hermetically filled in the fairlead, and the electric conductor is longitudinally arranged in the insulated enclosure
In body, and its both ends is exposed respectively from the both ends of the insulating seal.
6. button cell according to claim 5, which is characterized in that the electric conductor is in rigidity.
7. button cell according to claim 5, which is characterized in that the electric conductor is in flexibility.
8. button cell according to claim 1, which is characterized in that the housing includes the cylindrical shape that top is equipped with opening
Lower casing and the head cover for being in tabular and being covered in the opening, the periphery of the head cover by way of laser welding with it is described
The edge of opening of lower casing is sealingly joined together.
9. button cell according to claim 1, which is characterized in that the button cell, which further includes, is arranged on the insulation
Fixed plate above seal, for fixation of the insulating seal in the fairlead.
10. a kind of button cell production method, which is characterized in that the button cell includes housing and is set in the housing
Electrode isolation component, the electrode isolation component include at least one anode and at least one cathode；Under the housing includes
Shell and matched conductive head cover, the head cover and both at least one anode and at least one cathode
One of electric connection；The head cover includes at least one fairlead, is equipped with electric conductor at least one fairlead, it is described extremely
The insulating seal for insulating with the head cover is provided between the hole wall and the electric conductor of a few fairlead, it is described to lead
Another electric connection of both electric body and at least one anode and at least one cathode；The electric conductor with it is described absolutely
Edge seal is integrally formed to an assembly；Described method includes following steps：
(1) lower casing and head cover are provided, and fairlead is formed on head cover, electrode isolation component is set in lower casing；It provides exhausted
Edge seal and electric conductor, and insulating seal and electric conductor are integrally formed to an assembly；
(2) head cover is mounted on lower casing, forms housing；
(3) the assembly plug is set in fairlead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711350314.4A CN108172700A (en) | 2017-12-15 | 2017-12-15 | Button cell and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711350314.4A CN108172700A (en) | 2017-12-15 | 2017-12-15 | Button cell and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108172700A true CN108172700A (en) | 2018-06-15 |
Family
ID=62522337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711350314.4A Pending CN108172700A (en) | 2017-12-15 | 2017-12-15 | Button cell and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108172700A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192889A (en) * | 2018-08-22 | 2019-01-11 | 珠海微矩实业有限公司 | A kind of minicell |
| WO2020037535A1 (en) * | 2018-08-22 | 2020-02-27 | 珠海微矩实业有限公司 | Miniature battery |
| CN110970580A (en) * | 2019-11-04 | 2020-04-07 | 黄凯 | Button cell and manufacturing method thereof |
| WO2021103292A1 (en) * | 2019-11-27 | 2021-06-03 | 新余赣锋电子有限公司 | Battery comprising soft package cell |
| WO2021174932A1 (en) * | 2020-03-06 | 2021-09-10 | 贵州中瑞丰泰新能源科技有限公司 | Wearable battery structure conducive to mass production |
| WO2021185074A1 (en) * | 2020-03-18 | 2021-09-23 | 珠海冠宇电池股份有限公司 | Battery casing, battery and electronic device |
| CN113497296A (en) * | 2020-08-04 | 2021-10-12 | 珠海冠宇电池股份有限公司 | Button cell and preparation method thereof |
| CN114156575A (en) * | 2020-08-17 | 2022-03-08 | 华为技术有限公司 | Button cell, battery module and electronic equipment |
| WO2022080722A1 (en) * | 2020-10-12 | 2022-04-21 | 주식회사 엘지에너지솔루션 | Button-type secondary battery |
| WO2022134218A1 (en) * | 2020-12-21 | 2022-06-30 | 瑞声声学科技(深圳)有限公司 | Button battery casing and button battery |
| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192889A (en) * | 2018-08-22 | 2019-01-11 | 珠海微矩实业有限公司 | A kind of minicell |
| WO2020037535A1 (en) * | 2018-08-22 | 2020-02-27 | 珠海微矩实业有限公司 | Miniature battery |
| CN110970580A (en) * | 2019-11-04 | 2020-04-07 | 黄凯 | Button cell and manufacturing method thereof |
| WO2021103292A1 (en) * | 2019-11-27 | 2021-06-03 | 新余赣锋电子有限公司 | Battery comprising soft package cell |
| WO2021174932A1 (en) * | 2020-03-06 | 2021-09-10 | 贵州中瑞丰泰新能源科技有限公司 | Wearable battery structure conducive to mass production |
| WO2021185074A1 (en) * | 2020-03-18 | 2021-09-23 | 珠海冠宇电池股份有限公司 | Battery casing, battery and electronic device |
| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
| CN113497296A (en) * | 2020-08-04 | 2021-10-12 | 珠海冠宇电池股份有限公司 | Button cell and preparation method thereof |
| CN114156575A (en) * | 2020-08-17 | 2022-03-08 | 华为技术有限公司 | Button cell, battery module and electronic equipment |
| WO2022080722A1 (en) * | 2020-10-12 | 2022-04-21 | 주식회사 엘지에너지솔루션 | Button-type secondary battery |
| WO2022134218A1 (en) * | 2020-12-21 | 2022-06-30 | 瑞声声学科技(深圳)有限公司 | Button battery casing and button battery |
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