CN107134596A - Button cell and button cell preparation method - Google Patents
Button cell and button cell preparation method Download PDFInfo
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- CN107134596A CN107134596A CN201710550297.2A CN201710550297A CN107134596A CN 107134596 A CN107134596 A CN 107134596A CN 201710550297 A CN201710550297 A CN 201710550297A CN 107134596 A CN107134596 A CN 107134596A
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- lug
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- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a kind of button cell and button cell preparation method, it is related to cell art, the button cell includes core component and housing unit.The core component includes first electrode component, second electrode component and separator, the first electrode component includes first electrode core and the first lug, the second electrode component includes second electrode core and the second lug, and the separator is used to isolate the first electrode component and the second electrode component.The first electrode component, separator, second electrode component are cascading, and it is wound into core, there is axial cavity the center of the core, first lug stretches out from the axial cavity, and the axial cavity is covered close to one end of first lug, second lug is arranged at the outside of the core, and parallel with first lug.The making step for being wound into core is simplified, production is more convenient to.
Description
Technical field
The present invention relates to cell art, in particular to a kind of button cell and button cell preparation method.
Background technology
With the development of science and technology, the application of lithium battery is more and more extensive, and existing lithium battery is when being wound into core, and one
As first to make strip shaped electric poles by spot welding connection sheet formation lug, core, making step ratio are coiled into by winder winding again afterwards
It is more complicated.
The content of the invention
It is an object of the invention to provide a kind of button cell and button cell preparation method, to improve above mentioned problem.
In a first aspect, the embodiments of the invention provide a kind of button cell, the button cell include core component and
Housing unit, the core component is arranged in the housing unit.The core component includes first electrode component, the second electricity
Pole component and separator, the first electrode component include first electrode core and the first lug, the second electrode
Component includes second electrode core and the second lug, and the separator is used to isolate the first electrode component and described
Second electrode component.The first electrode component, separator, second electrode component are cascading, and are wound into core, institute
Stating the center of core has axial cavity, and first lug stretches out from the axial cavity, and the covering axial cavity is leaned on
One end of nearly first lug, second lug is arranged at the outside of the core, and parallel with first lug.Institute
State the first lug and be welded to the inside of the housing unit with second lug.
In preferred embodiments of the present invention, above-mentioned first lug is located at the two of the core respectively with second lug
Side.
In preferred embodiments of the present invention, above-mentioned separator is battery isolating film.
In present pre-ferred embodiments, the length of above-mentioned anode ear is more than the negative electrode lug.
In the preferred embodiment, above-mentioned first electrode component is negative electrode component, the second electrode component
For positive electrode component.
In preferred embodiments of the present invention, above-mentioned housing unit includes the first housing and the second housing, the first shell
Body is covered with second housing, and first lug is welded to the inside of second housing with second lug.
Second aspect, the embodiments of the invention provide a kind of button cell preparation method, applied to button cell, the knob
Detain battery include core component and housing unit, the core component include first electrode component, second electrode component and
Separator, the first electrode component includes first electrode core and the first lug, first lug and described first
Electrode roll core is vertical, and the second electrode component includes second electrode core and the second lug, second lug with
The second electrode core is vertical, and methods described includes：By the first electrode core, separator and second electrode volume
Core is cascading, and the first electrode core is close to one end of first lug and the second electrode core
Portion is located at the two ends of the separator close to one end of second lug respectively；By up- coiler, rolled up with the first electrode
Centered on core, second electrode core, separator and first electrode core are wound；After winding, first electrode
Being centrally formed in core after core, separator and first electrode core formation core, first electrode core winding
Axial cavity, the first lug stretches out from the axial cavity, and the second lug be arranged in parallel with first lug；By described first
Lug is folded towards the direction close to the axial cavity, first lug is covered the axial cavity close to described first
One end of lug；First lug is spot welded in the housing unit by mash welder capillary through the axial cavity
Portion.
It is above-mentioned to roll up the first electrode core, separator and second electrode in preferred embodiments of the present invention
Core is cascading, and the first electrode core is close to one end of first lug and the second electrode core
Before the step of portion is located at the two ends of the separator respectively close to one end of second lug, methods described also includes：Will
One end of the second electrode component is folded, and folds rear portion as the second lug, another part is used as second electrode core
Portion；Component one end of the first electrode is folded, rear portion is folded as the first lug, another part is used as first electrode
Core.
In the preferred embodiment, after above-mentioned winding, first electrode core, separator and first electrode volume
In the axial cavity that is centrally formed of core after core formation core, first electrode core winding, the first lug is from the axial direction
Cavity stretches out, and after the step of the second lug be arranged in parallel with first lug, methods described includes：By second lug
Vertical folding, so that second lug is parallel with first lug.
It is above-mentioned by the second lug vertical folding in preferred embodiments of the present invention so that second lug with
The parallel step of first lug includes：By the second lug vertical folding, so that second lug and described first
Lug is parallel, and second lug is located at the both sides of the core with first lug respectively.
In preferred embodiments of the present invention, above by up- coiler, centered on the first electrode core, to
After the step of two electrode roll cores, separator and first electrode core are wound, methods described also includes：Use adhesive tape
Winding is located at the second electrode core in outside, so that the core is fixed.
The beneficial effect of the embodiment of the present invention is：
Button cell and button cell preparation method provided in an embodiment of the present invention, the negative electrode lug is from the axial cavity
After stretching, the negative electrode lug is folded so that the negative electrode lug is vertical with the axial cavity, and it is close to cover the axial cavity
One end of the negative electrode lug, when the negative electrode lug is loaded into the housing unit and welded, need to only pass through mash welder capillary
The axial cavity, and then the negative electrode lug and the case weld are simplified the positive electrode component, negative electrode group
Part and separator are wound into the making step of core, are more convenient to production.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that or by implementing understanding of the embodiment of the present invention.The purpose of the present invention and other advantages can be by saying for being write
Specifically noted structure is realized and obtained in bright book, claims and accompanying drawing.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
The structural representation of the housing unit for the button cell that Fig. 1 provides for present pre-ferred embodiments；
The structural representation of the core component for the button cell that Fig. 2 provides for present pre-ferred embodiments；
First electrode component and the structural representation of second electrode component that Fig. 3 provides for present pre-ferred embodiments；
The position of first electrode component, second electrode component and separator that Fig. 4 provides for present pre-ferred embodiments
Schematic diagram.
Icon：110- first electrode components；The lugs of 111- first；112- first electrode cores；120- separators；130-
Second electrode component；The lugs of 131- second；132- second electrode cores；140- core；150- axial cavities；160- housing groups
Part；The housings of 161- first；The housings of 162- second；170- core components.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to which explanation, the orientation or position relationship of the instruction such as term " interior ", " outer " are base
In orientation shown in the drawings or position relationship, or the orientation usually put when using of the invention product or position relationship, only
It is to be described for the ease of the description present invention with simplified, rather than indicates or imply that the device or element of meaning must be with specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two ", " 3rd " etc. is only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Since lithium ion battery commercialization, lithium ion battery is due to energy density height, voltage height, memory-less effect etc.
It is widely used in fields such as consumer electronics, mobile communication, aircraft industry.The species of existing lithium-ion technology is also got over
Come more.Button-shaped lithium ion battery is also widely used as one kind of lithium ion battery.
It is typically all to be completed by lamination and winding that the battery core of lithium ion battery, which makes,.Winding battery core process be usually
By strip shaped electric poles spot welding connection sheet formation lug, after screw winding, anode ear and negative electrode lug are from rolled electrode barrier assembly
Afterbody stretch out.When by the metal shell of tab welding to battery, operate relatively difficult.
Inventor researchs and proposes button cell provided in an embodiment of the present invention and button by constantly exploring with long-term
Battery production method.
First embodiment
Fig. 1 to Fig. 3 is refer to, a kind of structural representation of the button cell provided for present pre-ferred embodiments.It is described
Button cell includes core component 170 and housing unit 160, and the core component 170 is arranged at the housing unit 160
It is interior.
The housing unit 160 is used to place the core component 170, and core component 170 is spot welded to by spot-welding technology
The inside of the housing unit 160, the material of the housing unit 160 is metal.Fig. 4 is referred to, as a kind of embodiment,
The housing unit 160 includes the first housing 161 and the second housing 162, first housing 161 and second housing 162
Cover.Specifically, core component 170 is being spot welded to housing unit 160 by first housing 161 with second housing 162
Inside after, then the first housing 161 is integrally formed with second housing 162.
The core component 170 includes first electrode component 110, second electrode component 130 and separator 120.
The first electrode component 110 includes the lug 111 of first electrode core 112 and first, the second electrode
Component 130 includes the lug 131 of second electrode core 132 and second, and the separator 120 is used to isolate the first electrode
Component 110 and the second electrode component 130.
Specifically, the first electrode component 110, separator 120, second electrode component 130 are cascading, and volume
It is coiled into core 140.
The first electrode component 110, separator 120, second electrode component 130 are wound into after core 140, the volume
The center of core 140 forms an axial cavity 150, and first lug 111 stretches out from the axial cavity 150, and covering institute
Axial cavity 150 is stated close to one end of first lug 111, second lug 131 is arranged at the outer of the core 140
Side, and it is parallel with first lug 111.
In one embodiment, first lug 111 is located at the core 140 respectively with second lug 131
Both sides, and first lug 111 is identical with direction of second lug 131 away from the core 140.
But actual in use, because the first electrode component 110 and the second electrode component 130 are in charging
During electric discharge, be constantly subjected to the change of volume, in the discharge process of high current, cause the first lug 111 and
The current density that second lug 131 stretches out one end is excessive, so as to influence discharge performance.If in addition, the first lug 111 and described the
Two lugs 131 are located at same section, cause the electric current of first electrode component 110 and each point on the second electrode component 130
Density Distribution is not uniform enough, reduces the cycle performance of battery.
Therefore, in another embodiment, first lug 111 is located at described respectively with second lug 131
The both sides of core 140, and be extended along opposite direction to the direction away from the core 140.So that button cell exists
During discharge and recharge, the electric current distribution of each point of first electrode component 110 and second electrode component 130 is uniform, effectively
Improve the new energy of circulation of button cell, solve existing first lug 111 and led with the second lug 131 from towards the extension of same one end
Stretching one end current density of cause is excessive, and then the problem of influence discharge performance.
In one embodiment, the first electrode component 110 is negative electrode component, correspondingly, the first electrode
Core 112 is negative electrode core, and first lug 111 is negative electrode lug；The second electrode component 130 is positive electrode group
Part, the second electrode core 132 is positive electrode core, and second lug 131 is anode ear.It is being wound into core
After 140, the inside of the core 140 is the negative electrode core, and the negative electrode lug stretches out from the axial cavity 150, institute
The outside for stating core 140 is the anode ear core, and the anode ear is arranged at the outside of the core 140.
In another embodiment, the first electrode component 110 is positive electrode component, correspondingly, first electricity
Pole core 112 is positive electrode core, and first lug 111 is anode ear；The second electrode component 130 is negative electrode
Component, the second electrode core 132 is negative electrode core, and second lug 131 is negative electrode lug.It is being wound into core
After 140, the inside of the core 140 is the positive electrode core, and the anode ear stretches out from the axial cavity 150, institute
The outside for stating core 140 is the negative electrode lug core, and the negative electrode lug is arranged at the outside of the core 140.
The separator 120 is used for the work for ensureing the button cell safety and stability.The separator 120 has electronics
Insulating properties, it is ensured that the mechanical isolation of first electrode component 110 and the second electrode component 130.It is arranged at the first electrode
Between component 110 and the second electrode component 130, and with the first electrode component 110 and the second electrode component
130 are together wound into core 140.As a kind of embodiment, the separator 120 is battery isolating film.The battery isolation
Film can be PVC heat shrinkage films, can also be PET thermoplastic films.
Button cell provided in an embodiment of the present invention, refolding after the first lug 111 stretches out from axial cavity 150, makes
The first lug 111 it is parallel with the axial cavity 150, mash welder only needs guiding through the axial cavity 150, it is possible to will described in
First lug 111 is soldered to the enclosure interior, simplifies making step, while reducing inside the core 140 of button cell
Contact resistance, is effectively improved and the discharge performance of battery.
Second embodiment
Second embodiment of the invention provides a kind of button cell preparation method, and methods described is used to make first embodiment institute
The button cell stated.
The button cell includes core component 170 and housing unit 160, and the core component 170 includes the first electricity
Pole component 110, second electrode component 130 and separator 120, the first electrode component 110 include first electrode core
112 and first lug 111, first lug 111 is vertical with the first electrode core 112, the second electrode group
Part 130 includes the lug 131 of second electrode core 132 and second, second lug 131 and the second electrode core
132 is vertical, and methods described includes：
Fig. 2 is referred to, one end of the second electrode component 130 is folded, rear portion is folded and is used as the second lug
131, another part is used as second electrode core 132.
Component one end of the first electrode is folded, rear portion is folded and is used as the first lug 111, another part conduct
First electrode core 112.
Fig. 3 is referred to, by the first electrode core 112, separator 120 and second electrode core 132 successively
It is stacked, and the first electrode core 112 is close to one end of first lug 111 and the second electrode core
132 are located at the two ends of the separator 120 close to one end of second lug 131 respectively.
By up- coiler, centered on the first electrode core 112, to second electrode core 132, separator
120 and first electrode core 112 be wound.
The second electrode core 132 positioned at outside is wound with adhesive tape, so that the core 140 is fixed.
Refer to after Fig. 1, winding, first electrode core 112, separator 120 and first electrode core 112 are formed
Core 140, first electrode core 112 is centrally formed axial cavity 150 after winding in core 140, and the first lug 111 is from institute
State axial cavity 150 to stretch out, the second lug 131 be arranged in parallel with first lug 111.
First lug 111 is folded towards the direction close to the axial cavity 150, makes first lug 111
The axial cavity 150 is covered close to one end of first lug 111.
By the vertical folding of the second lug 131, so that second lug 131 is parallel with first lug 111.
As a kind of embodiment, after second lug 131 is folded, with first lug 111 with equidirectional to
The direction away from the core 140 to extend；As another embodiment, after second lug 131 is folded, with described the
One lug 111 extends away from the direction of the core 140 in the opposite direction.
First lug 111 is spot welded to the housing unit 160 by mash welder capillary through the axial cavity 150
Inside.
In summary, button cell and button cell preparation method provided in an embodiment of the present invention, the first lug 111 is from axle
Refolding after being stretched out into cavity 150 so that the first lug 111 is parallel with the axial cavity 150, and mash welder only needs guiding through institute
State axial cavity 150, it is possible to first lug 111 is soldered to the enclosure interior, making step is simplified, drop simultaneously
Contact resistance inside the core 140 of low button cell, is effectively improved and the discharge performance of battery.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of button cell, it is characterised in that the button cell includes core component and housing unit, the core group
Part is arranged in the housing unit；
The core component includes first electrode component, second electrode component and separator, and the first electrode component includes
First electrode core and the first lug, the second electrode component include second electrode core and the second lug, institute
Stating separator is used to isolate the first electrode component and the second electrode component；
The first electrode component, separator, second electrode component are cascading, and are wound into core, the core
There is axial cavity center, and first lug stretches out from the axial cavity, and covers the axial cavity close to described the
One end of one lug, second lug is arranged at the outside of the core, and parallel with first lug；
First lug is welded to the inside of the housing unit with second lug.
2. battery according to claim 1, it is characterised in that first lug is located at institute respectively with second lug
State the both sides of core.
3. battery according to claim 1, it is characterised in that the separator is battery isolating film.
4. the battery according to claim any one of 1-3, it is characterised in that the first electrode component is negative electrode group
Part, the second electrode component is positive electrode component.
5. battery according to claim 1, it is characterised in that the housing unit includes the first housing and the second housing,
First housing is covered with second housing, and first lug is welded to second housing with second lug
Inside.
6. a kind of button cell preparation method, it is characterised in that applied to button cell, the button cell includes core component
And housing unit, the core component include first electrode component, second electrode component and separator, the first electrode
Component includes first electrode core and the first lug, and first lug is vertical with the first electrode core, described
Second electrode component includes second electrode core and the second lug, and second lug hangs down with the second electrode core
Directly, methods described includes：
The first electrode core, separator and second electrode core are cascading, and the first electrode
Core distinguishes position close to one end of first lug and the second electrode core close to one end of second lug
In the two ends of the separator；
By up- coiler, centered on the first electrode core, to second electrode core, separator and first electrode
Core is wound；
After winding, first electrode core, separator and first electrode core formation core, first electrode core winding
Afterwards in the axial cavity that is centrally formed of core, the first lug stretches out from the axial cavity, the second lug and first lug
It is arranged in parallel；
First lug is folded towards the direction close to the axial cavity, first lug is covered the axial cavity
Body is close to one end of first lug；
First lug is spot welded to the inside of the housing unit by mash welder capillary through the axial cavity.
7. button cell preparation method according to claim 6, it is characterised in that described by the first electrode core
Portion, separator and second electrode core are cascading, and the first electrode core is close to first lug
One end and the second electrode core close to one end of second lug respectively positioned at the step at the two ends of the separator
Before rapid, methods described also includes：
One end of the second electrode component is folded, rear portion is folded as the second lug, another part is used as the second electricity
Pole core；
Component one end of the first electrode is folded, rear portion is folded as the first lug, another part is used as the first electricity
Pole core.
8. button cell preparation method according to claim 6, it is characterised in that after the winding, first electrode core
After portion, separator and first electrode core formation core, first electrode core winding axial direction is centrally formed in core
Cavity, the first lug stretches out from the axial cavity, described after the step of the second lug be arranged in parallel with first lug
Method includes：
By the second lug vertical folding, so that second lug is parallel with first lug.
9. button cell preparation method according to claim 8, it is characterised in that described vertically to roll over second lug
It is folded, so that second lug step parallel with first lug includes：
By the second lug vertical folding, so that second lug is parallel with first lug, and second lug
It is located at the both sides of the core respectively with first lug.
10. button cell preparation method according to claim 6, it is characterised in that described by up- coiler, with described
Centered on one electrode roll core, the step of being wound to second electrode core, separator and first electrode core it
Afterwards, methods described also includes：
The second electrode core positioned at outside is wound with adhesive tape, so that the core is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550297.2A CN107134596A (en) | 2017-07-06 | 2017-07-06 | Button cell and button cell preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710550297.2A CN107134596A (en) | 2017-07-06 | 2017-07-06 | Button cell and button cell preparation method |
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| CN107134596A true CN107134596A (en) | 2017-09-05 |
Family
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| CN201710550297.2A Pending CN107134596A (en) | 2017-07-06 | 2017-07-06 | Button cell and button cell preparation method |
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Cited By (5)
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| CN109088126A (en) * | 2018-08-09 | 2018-12-25 | 中南大学 | Large capacity battery core battery and energy storage device |
| CN111313077A (en) * | 2020-04-09 | 2020-06-19 | 陈永晓 | Manufacturing method of button lithium battery |
| US20210075051A1 (en) * | 2019-09-05 | 2021-03-11 | Chongqing Vdl Electronics Co., Ltd. | Button battery for improving utilization rate of radial space |
| WO2023070591A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德新能源科技有限公司 | Electrochemical apparatus and electrical device |
| EP4080632A4 (en) * | 2020-09-18 | 2023-08-09 | LG Energy Solution, Ltd. | Button-type secondary battery |
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| CN206992251U (en) * | 2017-07-06 | 2018-02-09 | 深圳市力电电池有限公司 | Core component and button cell |
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| CN109088126A (en) * | 2018-08-09 | 2018-12-25 | 中南大学 | Large capacity battery core battery and energy storage device |
| US20210075051A1 (en) * | 2019-09-05 | 2021-03-11 | Chongqing Vdl Electronics Co., Ltd. | Button battery for improving utilization rate of radial space |
| CN111313077A (en) * | 2020-04-09 | 2020-06-19 | 陈永晓 | Manufacturing method of button lithium battery |
| EP4080632A4 (en) * | 2020-09-18 | 2023-08-09 | LG Energy Solution, Ltd. | Button-type secondary battery |
| WO2023070591A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德新能源科技有限公司 | Electrochemical apparatus and electrical device |
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