CN107768586A - Button cell and its device - Google Patents
Button cell and its device Download PDFInfo
- Publication number
- CN107768586A CN107768586A CN201710901425.3A CN201710901425A CN107768586A CN 107768586 A CN107768586 A CN 107768586A CN 201710901425 A CN201710901425 A CN 201710901425A CN 107768586 A CN107768586 A CN 107768586A
- Authority
- CN
- China
- Prior art keywords
- button cell
- housing
- end wall
- positive
- electric conductor
- 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
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
- H01M10/0427—Button cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- 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 of a single cell or a single battery
-
- 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 of a single cell or a single battery
- H01M50/172—Arrangements of electric connectors penetrating the casing
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Primary Cells (AREA)
- Electrotherapy Devices (AREA)
Abstract
The present invention relates to a kind of button cell, its electrode isolation component for including housing and being arranged in the housing, the electrode isolation component includes at least one positive pole and at least one negative pole, the housing includes conductive end wall, and the end wall is electrically connected with least one positive pole and at least one negative pole alternative one；The end wall includes at least one fairlead, electric conductor is provided with least one fairlead, the insulating seal for being insulated with the end wall, another electric connection of the electric conductor and both at least one positive pole and at least one negative pole are provided between the hole wall and the electric conductor of at least one fairlead.The invention further relates to a kind of button cell device; protection board including described button cell and on the button cell end wall; the protection board includes positive and negative input interface and positive and negative output interface, and the positive and negative input interface is electrically connected with the positive and negative electrode of the button cell respectively.
Description
Technical field
The present invention relates to a kind of battery, more specifically to a kind of button cell.
Background technology
Button cell in known technology generally includes the shell being made up of two conductive shell half portions, and this two outer
Shell half portion is respectively lower casing and top cover.Generally, lower casing has positive polarity, and top cover has negative polarity.Button cell as shown in Figure 5
Device, the button cell is when installing protection board 7b, because protection board 7b positive and negative input interface is respectively required for and button cell
Just, pole is electrically connected with, and the lower casing of the button cell has positive polarity, and top cover has negative polarity, therefore its negative input interface 72b
Drawn from top cover, and positive input interface 71b is then drawn and along housing around to the top of top cover from lower casing, space availability ratio compared with
It is low.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of improved button
Battery.
The technical solution adopted for the present invention to solve the technical problems is：Construct a kind of button cell, it include housing with
And the electrode isolation component in the housing is arranged at, the electrode isolation component includes at least one positive pole and at least one negative
Pole, the housing include conductive end wall, the end wall and both at least one positive pole and at least one negative pole
One of be electrically connected with；The end wall includes at least one fairlead, is provided with electric conductor at least one fairlead, it is described extremely
The insulating seal for being insulated with the end wall is provided between the hole wall and the electric conductor of a few fairlead, it is described to lead
Another electric connection of electric body and both at least one positive pole and at least one negative pole.
In certain embodiments, the insulating seal is hermetically filled in the fairlead, the electric conductor longitudinal direction
It is arranged in the insulating seal, and its both ends is exposed from the both ends of the insulating seal respectively.
In certain embodiments, the positive pole is electrically connected with the end wall, and the negative pole electrically connects with the electric conductor
Connect.
In certain embodiments, the housing can be in oblate column, and it includes flat bottom region and parallel with it flat
Top area, the flat top region form the end wall.
In certain embodiments, the housing and including cylindric lower casing of the top provided with opening and in tabular cover
Top cover in the opening, the top cover form the end wall, and the periphery of the top cover can be by way of laser welding and institute
The edge of opening for stating lower casing is sealingly joined together.
In certain embodiments, the housing includes the top that top is provided with the lower casing of opening and tipped upside down in the lower casing
Lid, the lower casing include circular bottom wall, be centered around the cylindrical lateral wall of the bottom wall periphery and be arranged at the top side wall to
The bound edge of interior turnup, the top cover include circular top wall and are centered around the cylindrical lateral wall of the roof periphery, the roof shape
Into the end wall, the lower casing is tightly connected with the top cover by sealing shroud.
In certain embodiments, liquid injection hole is offered on the housing, for toward injecting electrolyte in housing.
In certain embodiments, in rigidity, it includes larger-size head and is connected with the head electric conductor
Bar portion, the head is located at the top of the insulating seal, and the bar portion is then longitudinally interspersed in the insulating seal,
So that the head exposure is in the outside of the housing.
Present invention also offers a kind of button cell device, including button cell described above and installed in the button
Protection board on battery cap, the protection board include positive and negative input interface and positive and negative output interface, the positive and negative input
Interface is electrically connected with the positive and negative electrode of the button cell respectively.
In certain embodiments, the top surface of the top surface of the protection board and the electric conductor is substantially flush.
Implement the present invention at least to have the advantages that：The positive and negative electrode of the button cell is respectively with end wall and being located at
Electric conductor on end wall is electrically connected with, and positive pole and negative pole are all in the same side of the end wall, thus when installing protection board, its just,
Negative input interface respectively draw by the electric conductor from end wall and on the end wall, without being wound along housing, so as to improve
Space availability ratio.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the longitudinal profile structure schematic of the button cell in some embodiments of the invention；
Fig. 2 is the longitudinal profile structure schematic of another button cell in some embodiments of the invention；
Fig. 3 is the top view of the button cell device in some embodiments of the invention；
Fig. 4 is the oblique view of the button cell device in some embodiments of the invention；
Fig. 5 is the schematic diagram of the button cell device in prior art some embodiments.
Embodiment
Fig. 1 shows the button cell in some embodiments of the invention, and the button cell can preferably be button cell.
As illustrated, the button cell includes housing 1, electrode isolation component 2, insulating seal 3 and the electric conductor 4 of sealing.Housing 1
Include conductive top cover 12 in certain embodiments, the top cover 12 has conductive roof 121, opened up on the roof 121
There is a fairlead 123.Insulating seal 3 is hermetically filled in the fairlead 123, and the longitudinal direction of electric conductor 4 is arranged in the insulation
In seal 3, and its both ends is exposed from the both ends of the insulating seal 3 respectively.The insulating seal 3 is by the electric conductor 4 with being somebody's turn to do
The phase of top cover 12 insulate.Electrode isolation component 2 is arranged in the housing 1, and it includes at least one positive pole 21 and at least one negative pole
22 and the slider 23 between positive pole 21 and negative pole 22, positive pole 21 is electrically connected with top cover 12, negative pole 22 and electric conductor 4
It is electrically connected with.Electrolyte can also be injected in housing 1.It is to be appreciated that in some embodiments, it is also possible to it is negative pole 22 and top
Lid 12 is electrically connected with, and positive pole 21 is electrically connected with electric conductor 4, and the quantity of the fairlead 123 is also not limited to one, two or two
It can also be applied more than individual.
Again as shown in figure 1, the housing 1 can be in oblate column in certain embodiments, it include flat bottom region and with
Parallel flat top region, the flat top region formed roof 121.Housing 1 may include top in certain embodiments
Cylindric lower casing 11 provided with opening, top cover 12 is in tabular and is covered in the opening.Lower casing 11 and top cover 12 can use
Metal material is made, and the edge of opening that the periphery of top cover 12 can be with lower casing 11 by way of laser welding is sealingly bonded to one
Rise.Lower casing 11 may include circular bottom wall 111 and be centered around the cylindrical lateral wall of the periphery of bottom wall 111.In some embodiments
In, a liquid injection hole 122 can be also offered on top cover 12, for toward injecting electrolyte in housing 1.Button cell may also include envelope
Blocking piece (not shown), after being completed in fluid injection, the liquid injection hole is blocked.
Electrode isolation component 2 can use the form of helix windings, can also use the form of lamination.In the reality shown in Fig. 1
Apply in example, electrode isolation component 2 is the form of helix windings, and its axis overlaps with the axis of housing 1.Electric conductor 4 exists
It can be made in some embodiments of rigid conductive material, to strengthen crushing resistance, its shape can be T-shaped with elongated, or work
Type etc..Insulating seal 3 can use insulating cement, ceramics plus overlay film or glass to add the materials such as overlay film to be made.Shown in Fig. 1
Electric conductor 4 is T-shaped in embodiment, and its larger-size head is located at the top of insulating seal 3, and bar portion is then longitudinally interspersed in
In insulating seal 3 so that the head exposure is in the outside of housing 1.It is to be appreciated that electric conductor 4 is not limited to using firm
Property material is made, and it can also be made in some occasions of flexible material.
Above-mentioned button cell during fabrication, can use following steps：
(1) lower casing 11 and top cover 12 are provided；
(2) fairlead and liquid injection hole are formed respectively on top cover 12；
(3) insulating seal 3 is provided, and insulating seal 4 is tucked into fairlead；
(4) electric conductor 4 is provided, and electric conductor 4 is worn into insulating seal 3；
(5) electrode isolation component 2 is arranged in lower casing 1, and by its positive pole 21 and negative pole 22 respectively with top cover 12 and leading
Electric body 4 is electrically connected with；
(6) top cover 12 is welded in the opening of lower casing 11 by way of laser welding, forms housing 1；
(7) by liquid injection hole toward injecting electrolyte in housing 1；
(8) liquid injection hole is sealed with closeouts.
Button cell in other embodiments of the invention shown in Fig. 2, housing 1a of the button cell including sealing,
Electrode isolation component 2a, insulating seal 3a, electric conductor 4a and sealing shroud 5a.Housing 1a includes leading in certain embodiments
The top cover 12a of electricity, top cover 12a have conductive roof 121a, a fairlead 123a are offered on roof 121a.Absolutely
Edge seal 3a is hermetically filled in fairlead 123a, and electric conductor 4a is longitudinally arranged in insulating seal 3a, and its
Expose respectively from insulating seal 3a both ends at both ends.Insulating seal 3a is exhausted by electric conductor 4a and top cover 12a phases
Edge.Electrode isolation component 2a is arranged in housing 1a, it include at least one positive pole 21a and at least one negative pole 22a and
Slider 23a, positive pole 21a and top cover 12a between positive pole 21a and negative pole 22a are electrically connected with, negative pole 22a and electric conductor
4a is electrically connected with.Housing 1a can also inject electrolyte.It is to be appreciated that in some embodiments, it is also possible to be negative pole 22a with
Top cover 12a is electrically connected with, and positive pole 21a and electric conductor 4a is electrically connected with.Fairlead 123a quantity is also not limited to one, and two
Individual or two or more can also be applied.
Again as shown in Fig. 2 housing 1a can be in oblate column in certain embodiments, it include flat bottom region and with
Parallel flat top region, the flat top region forms roof 121a.Housing 1a may include to push up in certain embodiments
Portion is provided with the lower casing 11a of opening, and lower casing 11a may include circular bottom wall 111a, be centered around the cylindric side of bottom wall 111a peripheries
Wall and be arranged at the top side wall inside turnup bound edge.Top cover 12a includes circular top wall 121a and is centered around the top
The cylindrical lateral wall of wall 121a peripheries.Top cover 12a external diameter is adapted with lower casing 11a internal diameter.Top cover 12a tips upside down on lower casing
In 11a, itself and lower casing 11a contact portion are provided with sealing shroud 5a, and lower casing 11a and top cover 12a is tightly connected by sealing shroud 5a.
Lower casing 11a and top cover 12a can be made of metal material.
Electrode isolation component 2a can use the form of helix windings, can also use the form of lamination.In the reality shown in Fig. 2
Apply in example, electrode isolation component 2a is the form of helix windings, and its axis overlaps with housing 1a axis.Electric conductor 4a
It can be made in certain embodiments of rigid conductive material, to strengthen crushing resistance, its shape can be T-shaped with elongated, or
Drum etc..Insulating seal 3a can use insulating cement, ceramics plus overlay film or glass to add the materials such as overlay film to be made.Shown in Fig. 2
Embodiment in electric conductor 4a it is T-shaped, its larger-size head is located at insulating seal 3a top, and bar portion is then longitudinally worn
It is inserted in insulating seal so that the head exposure is in housing 1a outside.
Above-mentioned button cell during fabrication, can use following steps：
(1) the lower casing 11a and top cover 12a for not yet forming bound edge are provided；
(2) fairlead 123a is formed on top cover 12a；
(3) insulating seal 3a is provided, and insulating seal 3a is tucked into fairlead 123a；
(4) electric conductor 4a is provided, and electric conductor 4a is worn into insulating seal 3a；
(5) electrode isolation component 2a is arranged in lower casing 1a, and by its positive pole 21a and negative pole 22a respectively with top cover 12a
It is electrically connected with electric conductor 4a；
(6) toward injecting electrolyte in lower casing 11a；
(7) top cover 12a is tipped upside down in lower casing 11a, and sealed by sealing shroud 5a；
(8) bound edge is formed at lower casing 11a edge of opening by way of crimping, forms housing 1a, bound edge is coated on
Sealing shroud 5a outside, top cover 12a and lower casing 11a are bound tightly together.
Fig. 3-4 shows the button cell device that some embodiments of the invention provide, and the button cell device may include knob
Detain battery and the protection board 7 on the button cell roof.Protection board 7 has positive and negative input interface and positive and negative defeated
Outgoing interface, its positive and negative input interface respectively with button cell just, pole be electrically connected with.Protection board 7 can be in certain embodiments
Pcb board, electronic component, protection circuit etc. can be provided with protection board 7.As shown in figure 5, in certain embodiments, protection board 7
The top surface of top surface and electric conductor 4 is substantially flush.
The positive pole of the button cell of the present invention is electrically connected with roof 121, negative pole and the electric conductor 4 on roof 121
It is electrically connected with, therefore the positive input interface 71 of protection board 7 and negative input interface 72 are respectively from roof 121 and on roof 121
Electric conductor 4 lead on protection board 7, because it is all in the same side of roof 121, without from lower casing around to top cover, so as to carry
Space availability ratio is risen.
It should be understood that above example only expresses the preferred embodiment of the present invention, it describes more specific and detailed
Carefully, but the limitation to the scope of the claims of the present invention therefore can not be interpreted as；It should be pointed out that the common skill for this area
For art personnel, without departing from the inventive concept of the premise, independent assortment can be carried out to above-mentioned technical characterstic, 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, the covering scope of the claims in the present invention all should be belonged to.
Claims (10)
1. a kind of button cell, including housing and the electrode isolation component that is arranged in the housing, the electrode isolation component
Including at least one positive pole and at least one negative pole；Characterized in that, the housing includes conductive end wall, the end wall with
At least one positive pole and at least one negative pole alternative one are electrically connected with；The end wall includes at least one extraction
Hole, at least one fairlead is interior to be provided with electric conductor, is set between the hole wall and the electric conductor of at least one fairlead
It is equipped with the insulating seal for being insulated with the end wall, the electric conductor and at least one positive pole and described at least one
Another electric connection of both negative poles.
2. button cell according to claim 1, it is characterised in that the insulating seal is hermetically filled in be drawn located at described
In portalling, the electric conductor is longitudinally arranged in the insulating seal, and its both ends is revealed from the both ends of the insulating seal respectively
Go out.
3. button cell according to claim 1, it is characterised in that the positive pole is electrically connected with the end wall, described
Negative pole is electrically connected with the electric conductor.
4. button cell according to claim 1, it is characterised in that the housing can be in oblate column, and it includes flat bottom
Portion region and flat top region parallel with it, the flat top region form the end wall.
5. button cell according to claim 1, it is characterised in that the housing includes the cylindrical shape that top is provided with opening
Lower casing and the top cover for being in tabular and being covered in the opening, the top cover form the end wall, and the periphery of the top cover can
Edge of opening with the lower casing by way of laser welding is sealingly joined together.
6. button cell according to claim 1, it is characterised in that the housing include top be provided with opening lower casing with
And the top cover tipped upside down in the lower casing, the lower casing include circular bottom wall, be centered around the cylindrical lateral wall of the bottom wall periphery with
And the bound edge of the inside turnup of the top side wall is arranged at, the top cover includes circular top wall and is centered around the roof periphery
Cylindrical lateral wall, the roof form the end wall, and the lower casing is tightly connected with the top cover by sealing shroud.
7. button cell according to claim 1, it is characterised in that liquid injection hole is offered on the housing, for past shell
Electrolyte is injected in body.
8. button cell according to claim 1, it is characterised in that for the electric conductor in rigidity, it is larger that it includes size
Head and the bar portion that is connected with the head, the head be located at the top of the insulating seal, the bar portion then longitudinal direction
It is interspersed in the insulating seal so that the head exposure is in the outside of the housing.
9. a kind of button cell device, it is characterised in that including the button cell and peace described in any one of claim 1 to 8
Protection board on the button cell end wall, the protection board include positive and negative input interface and positive and negative output interface, institute
Positive and negative electrode of the positive and negative input interface respectively with the button cell is stated to be electrically connected with.
10. button cell device according to claim 9, it is characterised in that the top surface of the protection board and the conduction
The top surface of body is substantially flush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901425.3A CN107768586A (en) | 2017-09-28 | 2017-09-28 | Button cell and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710901425.3A CN107768586A (en) | 2017-09-28 | 2017-09-28 | Button cell and its device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107768586A true CN107768586A (en) | 2018-03-06 |
Family
ID=61266857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710901425.3A Pending CN107768586A (en) | 2017-09-28 | 2017-09-28 | Button cell and its device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107768586A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113383456A (en) * | 2020-11-26 | 2021-09-10 | 宁德新能源科技有限公司 | Electrochemical device and electronic apparatus |
| WO2021208218A1 (en) * | 2020-04-17 | 2021-10-21 | 福建南平延平区南孚新能源科技有限公司 | Rechargeable button battery |
| WO2021244618A1 (en) * | 2020-06-03 | 2021-12-09 | 珠海冠宇电池股份有限公司 | Button cell and manufacturing method therefor, and electronic device |
| WO2023092500A1 (en) * | 2021-11-26 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electric device, and method and device for manufacturing battery cell |
| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
| EP4152490A4 (en) * | 2020-06-03 | 2024-02-28 | Zhuhai Cosmx Battery Co Ltd | Button-type battery and electronic device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021208218A1 (en) * | 2020-04-17 | 2021-10-21 | 福建南平延平区南孚新能源科技有限公司 | Rechargeable button battery |
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| US11862806B2 (en) | 2020-06-03 | 2024-01-02 | Zhuhai Cosmx Battery Co., Ltd. | Button cell and electronic device |
| EP4152490A4 (en) * | 2020-06-03 | 2024-02-28 | Zhuhai Cosmx Battery Co Ltd | Button-type battery and electronic device |
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