CN109148932A - A kind of minicell group and its manufacturing method - Google Patents
A kind of minicell group and its manufacturing method Download PDFInfo
- Publication number
- CN109148932A CN109148932A CN201810968415.6A CN201810968415A CN109148932A CN 109148932 A CN109148932 A CN 109148932A CN 201810968415 A CN201810968415 A CN 201810968415A CN 109148932 A CN109148932 A CN 109148932A
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- Prior art keywords
- battery core
- circuit board
- flexible circuit
- positive pole
- pole ear
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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
- H01M10/04—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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention relates to battery technology field, a kind of minicell group and its manufacturing method are disclosed.Minicell group of the invention includes battery core, flexible circuit board, the top or bottom of the battery core are equipped with positive pole ear, negative lug, the flexible circuit board is set in the volumetric spaces of the battery core, and the flexible circuit board is equipped with positive strap, negative straps, the positive strap welds together with the positive pole ear, and the negative straps weld together with the negative lug.The manufacturing method of minicell group of the invention is for manufacturing above-mentioned minicell group.Minicell group of the invention has the advantages that small in size, energy density is high.
Description
Technical field
The present invention relates to battery technology field, the electricity being composed more particularly, to microminiature lithium ion battery and pcb board
Pond group and its manufacturing method.
Background technique
With the rapid development of electronic equipment, market proposes smaller lighter requirement to electronic equipment, sets used in electronics
Minicell in standby is also needed accordingly to smaller lighter development.
Battery pack generally comprises the electric components such as battery core, pcb board, at present general way be by battery core, pcb board is discrete sets
It sets, this setup causes the volume of battery pack big, and energy density is low.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of minicell group, and battery core and pcb board are attached together using group
The structure matched can be substantially reduced the volume of battery pack, increase energy density.
The present invention also provides a kind of manufacturing methods of minicell group, for manufacturing above-mentioned minicell group.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of minicell group, including battery core, flexible circuit board are provided, the top or bottom of the battery core are equipped with positive pole
Ear, negative lug, the flexible circuit board are set in the volumetric spaces of the battery core, and the flexible circuit board is equipped with anode
Connection sheet, negative straps, the positive strap weld together with the positive pole ear, the negative straps with it is described
Negative lug welds together.
As a further improvement of the above technical scheme, the positive pole ear, negative lug are set to the bottom of the battery core,
The bottom of the battery core is additionally provided with the disk shell of radially direction setting, the positive pole ear, negative lug one end and the disk
Shell is fixedly connected, and the other end is extended along the axis direction of the battery core to the top of the battery core, and the positive pole ear,
The side of negative lug and the battery core has spacing, and the flexible circuit board fitting is set on the side of the battery core, described
Positive strap, negative straps are set to the flexible circuit board departing from the battery core one side.
It as a further improvement of the above technical scheme, further include the first insulating protecting plate, first insulating protecting plate
Be coated on the outside of the flexible circuit board, the positive pole ear, negative lug be set to first insulating protecting plate with it is described
Between flexible circuit board.
It as a further improvement of the above technical scheme, further include the second insulating protecting plate, second insulating protecting plate
Between the battery core and the flexible circuit board, for the battery core to be separated with the flexible circuit board.
As a further improvement of the above technical scheme, between second insulating protecting plate and the flexible circuit board also
Equipped with glued board, the glued board is two-sided to have viscosity, and glued board one side is Nian Jie with second insulating protecting plate, separately
It is Nian Jie with the flexible protective plate on one side.
As a further improvement of the above technical scheme, first lead, are also connected on the outside of the flexible circuit board
Two leads, the first lead, second lead one end are protruded between the flexible circuit board and first insulation board, and with institute
State flexible circuit board electric connection.
As a further improvement of the above technical scheme, the outside of the flexible circuit board is equipped with the first welding plate, the second weldering
Plate, the first lead are welded in first welding plate, and second lead is welded in second welding plate.
As a further improvement of the above technical scheme, it is additionally provided with reinforced sheet on the outside of the flexible circuit board, it is described
Protection element is installed on reinforced sheet.
The present invention also provides a kind of manufacturing methods of minicell group, include the following steps: S1, rush shell, are formed outside battery core
Shell；Central positioner is arranged in S2, and central potential device is placed on volume needle, and pole piece is carried out winding around central positioner, with
Obtain battery core winding；The battery core winding of preparation is put into battery core shell, and makes positive pole ear, negative lug outside battery core by S3
The top of shell or bottom are drawn；S4 is packaged battery core shell, to obtain battery core；Flexible circuit board is arranged in S5, described soft
Property circuit board on positive strap and negative straps are set, flexible circuit board is arranged in the volumetric spaces of battery core, and will
Just contact pin and positive pole ear weld in succession, and negative straps and negative lug are welded.
As a further improvement of the above technical scheme, in S3, battery core winding is put into outside battery core in a manner of lateral winding
In shell.
The beneficial effects of the present invention are:
Minicell group of the invention, including battery core, flexible circuit board, the top or bottom of the battery core are equipped with positive pole
Ear, negative lug, the flexible circuit board are set in the volumetric spaces of the battery core, and the flexible circuit board is equipped with anode
Connection sheet, negative straps, the positive strap weld together with the positive pole ear, the negative straps with it is described
Negative lug welds together.Minicell group of the invention combines battery core with flexible circuit board in the form of combining assembly
Take notice of, flexible circuit board is arranged among the volumetric spaces of battery core itself, does not occupy extra volumetric spaces additionally, reduce
The volume of battery pack increases the energy density of battery pack.
The manufacturing method of minicell group of the invention can reduce battery pack for manufacturing above-mentioned minicell group
Volume, increase the energy density of battery pack.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the minicell group of one embodiment of the invention；
Fig. 2 is the fractionation structural representation of Fig. 1；
Fig. 3 is the side view of flexible protective circuit board；
Fig. 4 shows the internal structure chart of battery core；
Fig. 5 is the flow chart of the manufacturing method of minicell group of the invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.It should be noted that the case where not conflicting
Under, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as up, down, left, right, before and after used in invention are only relative to the mutual of each component part of the invention in attached drawing
For positional relationship.
In addition, unless otherwise defined, the technology of all technical and scientific terms used herein and the art
The normally understood meaning of personnel is identical.Term used in the description is intended merely to description specific embodiment herein, without
It is to limit the present invention.Term " and or " used herein includes the arbitrary of one or more relevant listed items
Combination.
The structural schematic diagram of the minicell group of one embodiment of the invention is shown referring to figs. 1 to Fig. 4, Fig. 1, Fig. 2 shows
The fractionation structural representation of Fig. 1 is gone out, Fig. 3 shows the side view of flexible protective circuit board, and Fig. 4 shows the internal junction of battery core
Composition.
Minicell group of the invention includes battery core 1, flexible circuit board 2, wherein the whole structure cylindrical of battery core 1,
The top or bottom of battery core 1 are extended with positive pole ear 10 and negative lug 11, and positive pole ear 10 and negative lug 11 are along battery core 1
Axis direction setting, flexible circuit board 2 is set in the volume range of battery core 1, and flexible circuit board 2 is fixedly connected with battery core 1,
Positive strap 20, negative straps 21 are provided on flexible circuit board 2, positive strap 20, negative straps 21 are right respectively
The position setting of positive pole ear 10, negative lug 11 is answered, and by positive pole ear 10 and positive strap 20, negative lug 11 and is born
Pole connection sheet 21 welds together.In the present invention, flexible circuit board 2 is arranged in the volumetric spaces of battery core 1, and by the two group
Conjunction is assembled together, and reduces the volume of battery pack, increases the energy density of battery pack.
Preferably, battery core 1 include battery core shell 100 and battery core winding 110 in battery core shell 100 with transverse direction around
The mode of group is set in battery core shell 100, and the set-up mode of lateral winding can ask to avoid the dilatancy of battery core winding 110
Topic, to significantly improve the energy density of battery pack.
The center position of battery core winding 110 is equipped with center winding axis hole 120, when battery core winding 110 makes, by
Winding is carried out centered on heart winding axis hole 120, winding axis hole 120 is equipped with towards one end of anode pole piece and cathode pole piece at center
Central positioner (not shown), anode pole piece, cathode pole piece are for connecting battery core winding and positive pole ear 10, negative lug
11, belong to the conventional structure of battery, central positioner plays positioning, support, when carrying out winding, central positioner and volume
Needle locking leads to be formed gap in winding process inside battery core winding 110 to shift when preventing winding, in addition, in
Heart locator is hard, on-deformable material, and battery core winding 110 stress itself easily deforms, therefore, centralized positioning
Device also acts as the effect of support, stress, can bear the stress of the overwhelming majority of battery core winding 110, thus prevent anode pole piece,
Cathode pole piece is weighed wounded.
Embodiment 1:
Referring to figs. 1 to Fig. 4, Fig. 1 to Fig. 4 shows the structure chart of the minicell group of the one of embodiment of the present invention,
In the embodiment, positive pole ear 10, negative lug 11 are stretched out from the bottom of battery core 1, are equipped with one in the bottom of battery core 1 and are enclosed to its side
The shell disk 12 that face is stretched out, positive pole ear 10,11 one end of negative lug are fixedly connected with shell disk 12, axis of the other end along battery core 1
Direction is stretched out to the top of battery core 1, and is maintained a certain distance with the side of battery core 1, and flexible circuit board 2 is set on battery core 1 and just
Between pole tab 10, negative lug 11,2 one side of flexible circuit board is fixedly connected with battery core 1, and another side is equipped with positive strap
20, negative straps 21, and be electrically connected by positive strap 20 and positive pole ear 10, pass through negative straps 21 and cathode
Tab 11 is electrically connected.The volumetric spaces of battery core refer to comprising battery core 1, positive pole ear 10, negative lug 11 cylindrical body body
Product space, in the present embodiment, flexible circuit board 2 is set between battery core 1 and positive pole ear 10, negative lug 11, can't volume
Outer occupancy volume, reduces the volume of battery pack, increases the energy density of battery pack.
In the present embodiment, flexible circuit board 2 is towards being also connected with first lead in positive pole ear 10,11 one side of negative lug
30, the second lead 31, first lead 30,31 one end of the second lead and flexible circuit board 2 are electrically connected, and the other end stretches out battery core 1
Volumetric spaces, first lead 30, the second lead 31 be used to connect with external devices, so that external equipment and battery pack be connected
It is logical, it is preferred that first lead 30 passes through flexible electrical by flexible circuit board 2 and 10 electrical communication of positive pole ear, the second lead 31
Road plate 2 and 11 electrical communication of negative lug, first lead 30 are set as red, and the second lead 31 is set as black, in order to area
Divide first lead 30, the polarity of the second lead 31.
Preferably, the first welding plate 22, the second welding plate 23 are additionally provided on flexible circuit board 2, first lead 30 is welded in
In one welding plate 22, the second lead 31 is welded in the second welding plate 23.
Flexible circuit board 2 is towards being additionally provided with protection element 24 in positive pole ear 10,11 one side of negative lug, it is preferred that soft
Property circuit board 2 on be additionally provided with 25 protection element 24 of reinforced sheet and be set on reinforced sheet 25, since flexible circuit board 2 is in arc surface
Structure, protection element 24 are set up directly on flexible circuit board 2, understand the deformation due to flexible circuit board 2 and make protection element 24
It damages or can not work normally, good mounting platform can be provided for protection element 22 by reinforced sheet 25, guarantee protection member
The normal work of part 24.
In the present embodiment, positive pole ear 10 is preferably aluminium flake, and negative lug 11 is preferably nickel sheet, and positive strap 20 is born
Pole connection sheet 21 is preferably nickel sheet, and reinforced sheet 25 is preferably nickel sheet.
In order to protect flexible circuit board, it is also wrapped on the first insulating protecting plate 4 in the outside of flexible circuit board 2, first absolutely
Edge protection board 4 is in cirque structure, and flexible circuit board 2, positive pole ear 10, negative lug 11 are coated on inner ring in it
In, to prevent flexible circuit board 2 from contacting with extraneous component, the first insulating protecting plate 4 is preferably dark brown gummed paper, towards flexibility
2 one side of circuit board has viscosity, for dark brown gummed paper to be pasted on flexible circuit board 2.
To prevent flexible circuit board 2 and the contact position of battery core 1 to be connected, is additionally provided between flexible circuit board 2 and battery core 1
Two insulating protecting plates 5, for separating flexible circuit board 2 and battery core 1, the second insulation board 5 is preferably dark brown gummed paper, towards electricity
1 one side of core has viscosity, for dark brown gummed paper to be pasted on battery core 1, between the second insulating protecting plate 5 and flexible circuit board 2
It is additionally provided with glued board 6, for glued board 6 for fixing flexible circuit board 2,6 two sides of glued board all has viscosity, one side and second
Insulating protecting plate 5 is pasted together, and another side is pasted together with flexible circuit board 2.
Embodiment 2:
Embodiment 2 and the structure of embodiment 1 are essentially identical, the difference is that, positive pole ear 10, negative lug 11 are from electricity
The top of core 1 is stretched out, and is extended along the axis direction of battery core 1 to the side for the bottom for being away from battery core 1, in the present embodiment,
The structure cylindrical of flexible circuit board 2 or cirque structure, are fixedly arranged on the top surface of battery core 1, and in the side of flexible circuit board 2
It is provided with positive strap 20, negative straps 21 on face, is welded together by positive strap 20 and positive pole ear 10, bears
Pole connection sheet 21 welds together with negative lug 21.
Embodiment 3:
Embodiment 3 and the structure of embodiment 1 are essentially identical, the difference is that, from the Base top contact blank foil of battery core 1
Positive pole ear 10, negative lug 11, positive pole ear 10, negative lug are stretched out to the bottom surface of battery core 1, and in the bottom surface of battery core 1
11 along the direction setting for being away from battery core 1, and preferably, the middle vertical plane of 1 bottom surface of battery core is arranged in positive pole ear 10, negative lug 11
On, in the embodiment, flexible circuit board 2 is set as crescent, is fixedly arranged on the bottom surface of battery core 1, faces in the one of plane
It answers positive pole ear 10, negative lug 11 to be arranged, and is in be equipped with positive strap 20, cathode in plane one side in flexible circuit board 2
Connection sheet 21, nominal price connection sheet 20 weld together with positive pole ear 10, and negative straps 21 and negative lug 11 are welded on one
It rises.
Referring to Fig. 5, the present invention also provides a kind of manufacturing method of minicell group, detailed process is as follows:
S1 rushes shell, to form battery core shell, according to positive pole ear, the different lead-out modes of negative lug, stamps out correspondence
Battery core shell shape, generally, for stamping forming battery core shell in one side opening, hollow cylindrical structure, battery core shell is excellent
It is selected as aluminum plastic membrane shell, with good insulating properties.
S2 prepares battery core winding, and central positioner is arranged, and central positioner is placed on volume needle, is then pressed pole piece
Winding is carried out around central positioner according to clockwise or counterclockwise, so that battery core winding be prepared.
Rolling up needle is to prepare the conventional equipment of battery core winding in the prior art, therefore be not described in detail here.
The battery core winding being prepared is put into battery core shell by S3, and makes positive pole ear, negative lug from the top of battery core
Portion or bottom are drawn, and top, that is, battery core shell open face of battery core, preferably, battery core winding is put in a manner of lateral winding
Enter in battery core shell, to avoid the dilatancy of battery core winding.
S4, encapsulation, is packaged processing for the open face of battery core shell, to form complete battery core.
It is noted that battery core shell is processed into one side opening, hollow cylindrical structure using shell is rushed in the present invention, sealing
Open face need to be only packaged when dress, and in traditional battery core production, it generally rushes hull shape and is opened at two and half truncated cone-shapeds, top surface
The battery core shell of mouth needs the junction to top surface, two battery core shells to be packaged after being put into battery core, and encapsulation process is complicated,
And in the present invention, the bottom surface and side of battery core shell are to be integrally formed by punching press, and battery core winding is in a manner of lateral winding
It is put into battery core shell, it is ensured that battery core winding is fitted closely with battery core shell, and then increases battery core in a limited space
The winding density of winding, top capsulation will not influence the mechanical property of battery core winding, and it is swollen to reduce to greatest extent battery core winding
Swollen influence.
S5 is arranged flexible circuit board, and flexible circuit board is arranged in the volumetric spaces of battery core, sets on flexible circuit board
Positive strap, negative straps are set, positive strap, negative straps are welded with positive pole ear, negative lug respectively, from
And form minicell group of the invention.
It is to be illustrated to what preferable implementation of the invention carried out, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (10)
1. a kind of minicell group, which is characterized in that including battery core, flexible circuit board, the top or bottom of the battery core are equipped with
Positive pole ear, negative lug, the flexible circuit board is set in the volumetric spaces of the battery core, and is set on the flexible circuit board
There are positive strap, negative straps, the positive strap welds together with the positive pole ear, the negative straps
Weld together with the negative lug.
2. minicell group according to claim 1, which is characterized in that the positive pole ear, negative lug are set to described
The bottom of battery core, the bottom of the battery core are additionally provided with the disk shell of radially direction setting, the positive pole ear, negative lug one
End is fixedly connected with the disk shell, and the other end is extended along the axis direction of the battery core to the top of the battery core, and institute
The side for stating positive pole ear, negative lug and the battery core has spacing, and the flexible circuit board fitting is set to the battery core
On side, the positive strap, negative straps are set to the flexible circuit board departing from the battery core one side.
3. minicell group according to claim 2, which is characterized in that it further include the first insulating protecting plate, described first
Insulating protecting plate is coated on the outside of the flexible circuit board, and the positive pole ear, negative lug are set to first insulation and protect
Between backplate and the flexible circuit board.
4. minicell group according to claim 3, which is characterized in that it further include the second insulating protecting plate, described second
Insulating protecting plate is set between the battery core and the flexible circuit board, for by the battery core and the flexible circuit board every
It opens.
5. minicell group according to claim 4, which is characterized in that second insulating protecting plate and the flexible electrical
Glued board is additionally provided between the plate of road, the glued board is two-sided to have viscosity, and glued board one side is protected with second insulation
Backplate bonding, another side are Nian Jie with the flexible protective plate.
6. the minicell group according to any one of claim 3-5, which is characterized in that the outside of the flexible circuit board
It is also connected with first lead, the second lead, the first lead, second lead one end protrude into the flexible circuit board and described the
Between one insulation board, and it is electrically connected with the flexible circuit board.
7. minicell group according to claim 6, which is characterized in that the outside of the flexible circuit board is equipped with the first weldering
Plate, the second welding plate, the first lead are welded in first welding plate, and second lead is welded in second welding plate
On.
8. minicell group according to claim 6, which is characterized in that be additionally provided with and add on the outside of the flexible circuit board
Strong piece is installed with protection element on the reinforced sheet.
9. a kind of manufacturing method of minicell group, which comprises the steps of:
S1 rushes shell, forms battery core shell；
Central positioner is arranged in S2, and central potential device is placed on volume needle, and pole piece is carried out winding around central positioner,
To obtain battery core winding；
The battery core winding of preparation is put into battery core shell by S3, and make positive pole ear, negative lug from the top of battery core shell or
It draws bottom；
S4 is packaged battery core shell, to obtain battery core；
S5 is arranged flexible circuit board, positive strap and negative straps is arranged on the flexible circuit board, by flexible circuit board
It is arranged in the volumetric spaces of battery core, and will just contact pin and positive pole ear welding in succession, negative straps and negative lug welding.
10. the manufacturing method of minicell group according to claim 8, which is characterized in that in S3, battery core winding is with transverse direction
The mode of winding is put into battery core shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968415.6A CN109148932A (en) | 2018-08-23 | 2018-08-23 | A kind of minicell group and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968415.6A CN109148932A (en) | 2018-08-23 | 2018-08-23 | A kind of minicell group and its manufacturing method |
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| CN109148932A true CN109148932A (en) | 2019-01-04 |
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| CN201810968415.6A Pending CN109148932A (en) | 2018-08-23 | 2018-08-23 | A kind of minicell group and its manufacturing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009689A (en) * | 2019-11-29 | 2020-04-14 | Oppo广东移动通信有限公司 | Flexible electric core assembly and electronic equipment |
| CN111312976A (en) * | 2019-10-21 | 2020-06-19 | 新余赣锋电子有限公司 | Soft-packaged battery cell packaged by lead in any direction |
| CN111697245A (en) * | 2020-06-10 | 2020-09-22 | 东莞哈工自控科技有限公司 | Welding rubberizing equipment of cylinder lithium cell |
| CN112952299A (en) * | 2021-03-11 | 2021-06-11 | 安徽利维能动力电池有限公司 | Winding type lithium battery cell pole piece structure |
| CN113168847A (en) * | 2019-11-22 | 2021-07-23 | 西部数据技术公司 | Data storage device including printed circuit board mounted along arc of disk shield |
| CN113302776A (en) * | 2019-11-29 | 2021-08-24 | 东莞新能德科技有限公司 | Battery with a battery cell |
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| CN204407435U (en) * | 2015-02-10 | 2015-06-17 | 东莞新能德科技有限公司 | A kind of built-in battery |
| CN206076427U (en) * | 2016-10-13 | 2017-04-05 | 惠州市恒泰科技股份有限公司 | Bluetooth earphone poly-lithium battery |
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| CN206742417U (en) * | 2017-05-02 | 2017-12-12 | 深圳市东恒新能源科技有限公司 | A kind of battery |
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Application publication date: 20190104 |